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Service Manual
KEH-1800/X1M/EW
ORDER NO.
CRT2265
HIGH POWER CASSETTE PLAYER WITH FM/MW/LW TUNER
KEH-1800 KEH-1830
X1M/EW
NOTE: - See the separate manual CX-644(CRT1800) for the cassette mechanism description. - The cassette mechanism assy employed in this model is one of 2M series.
X1M/EW
CONTENTS
1. SAFETY INFORMATION............................................2 2. EXPLODED VIEWS AND PARTS LIST ......................2 3. SCHEMATIC DIAGRAM...........................................10 www..com 4. PCB CONNECTION DIAGRAM................................18 5. ELECTRICAL PARTS LIST........................................26 6. ADJUSTMENT .........................................................31 7. GENERAL INFORMATION.......................................33 7.1 PARTS ................................................................33 7.1.1 IC ...............................................................33 7.1.2 DISPLAY ...................................................37 7.2 DISASSEMBLY ..................................................38 7.3 BLOCK DIAGRAM .............................................39 8. OPERATIONS AND SPECIFICATIONS ....................40
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1998
K-ZZB. DEC. 1998 Printed in Japan
KEH-1800,1830
1. SAFETY INFORMATION
CAUTION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so and refer the repair to a qualified service technician.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
18 17 16 15 14 2 8 3 4 5 6
7 10 1 13
11
12 9
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KEH-1800,1830
NOTE:
- Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to mark on the product are used for disassembly.
- PACKING SECTION PARTS LIST
Mark No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Description Cord Assy Accessory Assy Handle Spring Bush Screw Polyethylene Bag Carton Contain Box Protector Protector Polyethylene Bag Case Assy Owner's Manual Owner's Manual KEH-1800/X1M/EW CDE5807 CEA1917 CNC5395 CBH1650 CNV3930 CBA1304 E36-615 CHG3621 CHL3621 CHP1622 CHP1623 CEG-162 CXB3520 CRD2810 CRD2811 CRD2812 CRY1013 CRY1087 Part.No KEH-1830/X1M/EW CDE5807 CEA1917 CNC5395 CBH1650 CNV3930 CBA1304 E36-615 CHG3622 CHL3622 CHP1622 CHP1623 CEG-162 CXB3520 CRD2810 CRD2811 CRD2812 CRY1013 CRY1087
*
* *
16 Installation Manual 17 Passport 18 Warranty Card
- Owner's Manual, Installation Manual
Model KEH-1800/X1M/EW KEH-1830/X1M/EW Part No. CRD2810 CRD2811 CRD2812 Language English,Spanish,Dutch French,Italian,German English,Spanish,Dutch,French,Italian,German
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KEH-1800,1830
2.2 EXTERIOR
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KEH-1800,1830
(1) EXTERIOR SECTION PARTS LIST
Mark No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Description Screw Screw Cord Assy Terminal Cover Case Screw Screw Screw Holder Cushion Insulator Tuner Amp Unit ***** Screw Screw FM/AM Tuner Unit Holder ***** Plug(CN601) Connector(CN604) ***** Connector(CN603) Antenna Jack(CN301) Panel Holder Holder Heat Sink ***** Holder Chassis Unit Holder Unit Button Spring Spring Spring Bracket Bracket Arm Arm Arm Part No. BSZ26P050FMC BSZ30P100FMC CDE5807 CKX-003 CNB2481 BSZ30P055FUC BSZ30P060FMC BSZ30P100FMC CNC5704 CNM4870 CNM5025 CWM6351 BSZ26P080FMC BSZ26P140FMC CWE1466 CNC6554 CKM1270 CKS3362 Mark No. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 Description Panel Unit Door Spring Panel Screw Detach Grille Assy Screw Button(Detachable) Button(Eject) Button(REW) Button(FF) Button(F,A,Cross) Button(-,-) Button(1-6,D,B) Button(+,-) Button(SO/OFF,PGM) Spring Spring Grille Cover Keyboard Unit LCD(LCD901) Connector(CN901) Holder Connector Rubber Holder Lighting Conductor Case Assy IC(IC501) Part No.
See Contrast table(2) See Contrast table(2)
CBH1838
See Contrast table(2)
IMS20P030FZK
See Contrast table(2)
BPZ20P120FZK
See Contrast table(2) See Contrast table(2) See Contrast table(2) See Contrast table(2) See Contrast table(2) See Contrast table(2) See Contrast table(2) See Contrast table(2) See Contrast table(2)
CBH1836 CBH2103
See Contrast table(2) See Contrast table(2) See Contrast table(2)
CKS3581 CKX1056 CNB2246 CNC5399 CNC6216 CNC6217 CNC6845
See Contrast table(2)
CAW1513 CKS3580 CNC8054 CNV5586 CNV5587 CNV5589 CNV5752 CXB3520 TDA7384
CXB2687 CAC4836 CBH1834 CBH1835 CBH1996 CNC6135 CNC6791 CNV4692 CNV4693 CNV4728
71 Fuse(10A)(FU951) CEK1136 72 Transistor(Q804) 2SD2396 73 Cassette Mechanism Assy EXK3450
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KEH-1800,1830
(2) CONTRAST TABLE KEH-1800/X1M/EW and KEH-1830/X1M/EW are constructed the same except for the following:
Part No. KEH-1800/X1M/EW KEH-1830/X1M/EW CXB3226 CXB3227 CXB3714 CXB3716 CAT2028 CAT2037 CNS5211 CNS5212 CXB3377 CXB3378 CAC5868 CAC5870 CAC5872 CAC5874 CAC5876 CAC5878 CAC5985 CAC5882 CAC5884 CNS5204 CNS5209 CWM6273 CAC5869 CAC5871 CAC5873 CAC5875 CAC5877 CAC5879 CAC5986 CAC5883 CAC5885 CNS5205 CNS5210 CWM6275
Mark No. 30 41 42 44 46 48 49 50 51 52 53 54 55 56 59 60 61
Description Chassis Unit Panel Unit Door Panel Detach Grille Assy Button(Detachable) Button(Eject) Button(REW) Button(FF) Button(Cross,A,F) Button(-,-) Button(D,B,1-6) Button(+,-) Button(SO/OFF,PGM) Grille Cover Keyboard Unit
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KEH-1800,1830
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KEH-1800,1830
2.3 CASSETTE MECHANISM ASSY
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- CASSETTE MECHANISM ASSY SECTION PARTS LIST
Mark No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Screw Washer Connector(CN1) Screw(M2x5) Screw(M2x2.5) Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Head Base Lever Lever Lever Lever Arm Arm Arm Arm Bracket Lever Arm Frame Holder Lever Lever Belt Part No. BSZ23P050FMC CBG1003 CKS2829 EBA1038 EBA1037 EBH1554 EBH1555 EBH1556 EBH1603 EBH1591 EBH1559 EBH1593 EBH1561 EBH1562 EBH1563 EBH1590 EBH1565 EBH1566 EBH1567 EBH1568 EBH1569 EBH1571 EBH1579 ENC1475 ENC1429 ENC1430 ENC1431 ENC1432 ENC1433 ENC1434 ENC1480 ENC1476 ENC1512 ENC1523 ENC1524 ENC1440 ENC1441 ENC1446 ENC1478 ENT1027 ENV1504 ENV1470 ENV1517 ENV1472 ENV1510 Mark No. Description 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75-78 79 80 81 82 Gear Gear Gear Gear Lever Lever Pinch Holder Unit Arm PCB Switch(Eject)(S4) Switch(FWD)(REV)(S3) Switch(Load)(S1) Switch(Mute)(S2) Head Assy(HD1) Motor Unit(M1) Flywheel Unit ***** Arm Unit Arm Unit Arm Unit Reel Unit Pinch Holder Pinch Roller Pinch Holder Pinch Holder Unit Chassis Unit Arm Washer Resistor(R1) ***** Cover ***** Spring Washer Part No. ENV1475 ENV1512 ENV1513 ENV1502 ENV1480 ENV1487 EXA1516 ENV1519 ENP1161 ESG1006 ESH1006 ESN1016 ESN1017 EXA1466 EXA1467 EXA1547 EXA1447 EXA1448 EXA1550 EXA1450 ENV1466 ENV1518 ENV1467 EXA1515 EXA1498 ENV1524 CBF-167 RD1/4HM472J
*
ENC1452 EBH1592 CBF1051
41 Gear www..com 42 Gear 43 Gear 44 Lever 45 Gear
9
1
2
3
4
KEH-1800,1830
3. SCHEMATIC DIAGRAM
A
3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".
A-a
A-b
Large size SCH diagram
A-a
B
FM/AM TUNER UNIT
A-a
A-b
Guide page
B
A-a A-b
Detailed page
C
D
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CASSETTE PCB
TAPE:-24dBs
D
10
AD
1
2
3
4
5
6
7
8
KEH-1800,1830
A
A-b
A TUNER AMP UNIT
B
TAPE:-25dBs TAPE:-4dBs FM:+9dBs MW/LW:-1dBs TAPE:+22dBs
RR RR + BACK UP ANT
GND ACC
FR FL RL -
FR + FL + RL +
C
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B LOUD PGM
CLOCK
ATT
D
C KEYBOARD UNIT
AC
5 6 7 8
11
1
2
3
4
KEH-1800,1830
A
B
C
A-a A-b
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D
12
A-a
1 2
B
FM/AM TUNER UNIT
3
TA
4
5
6
7
8
KEH-1800,1830
A-a A-b
A
B
TAPE:-24dBs
C
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CASSETTE PCB
D
D
5
6
7
A-a D
8
13
B A
D C
14
A-a A-b
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KEH-1800,1830
A-b
A TUNER AMP UNIT
TAPE:-4dBs FM:+9dBs MW/LW:-1dBs TAPE:+22dBs
BACK UP ANT
GND ACC
1
1
2
RR RR + FR FL RL FR + FL + RL +
2
3
3
TAPE:-25dBs
4
4
5
6
7
8
KEH-1800,1830
A-a A-b
A
C KEYBOARD UNIT
B
CLOCK
B
LOUD
PGM
ATT
C
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D
5
6
7
A-b C
8
15
1
2
3
4
KEH-1800,1830
3.2 FM/AM TUNER UNIT
A
B
FM/AM TUNE
B
C
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1 2 3
D
16
B
1 2 3 4
5
6
7
8
KEH-1800,1830
A
TUNER UNIT
A
B
C
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D
B
5 6 7 8
17
1
2
3
4
KEH-1800,1830
4. PCB CONNECTION DIAGRAM
A
CORD ASSY
4.1 TUNER AMP UNIT
NOTE FOR PCB DIAGRAMS
1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic diagram. 2. Viewpoint of PCB diagrams
Connector Capacitor
SIDE A
B
P.C.Board Chip Part
SIDE B
A
TUNER AMP UNIT
C
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D
18 1
A
2 3 4
C
CN901
5
6
7
8
KEH-1800,1830
SIDE A
A
IP-BUS
B
3 2 1
D B
CN1
C
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D
A
5 6 7 8
19
1
2
3
4
KEH-1800,1830
A
A
TUNER AMP UNIT
B
C
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D
20
A
1 2 3 4
5
6
7
8
KEH-1800,1830
SIDE B
A
B
C
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D
A
5 6 7 8
21
1
2
3
4
KEH-1800,1830
4.2 FM/AM TUNER UNIT
SIDE A
A
B
C
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D
22
B
1 2 3 4
B
FM/AM TUNER UNIT
A
1
2
3
4
KEH-1800,1830
SIDE B
A
B
C
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B
FM/AM TUNER UNIT
D
B
1 2 3 4
23
1
2
3
4
KEH-1800,1830
4.3 KEYBOARD UNIT
CLOCK
SIDE A
SIDE B
A
LOUD
B
A
F
C
1
2
3
4
5
6
KEYBOARD UNIT
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VOL+ VOL-
D
SOURCE
C
24
C
1 2 3 4
C
KEYBOARD UNIT
PGM
ATT
A
B
CN603
1
2
3
4
KEH-1800,1830
4.4 CASSETTE MECHANISM ASSY
D
A
CASSETTE PCB
RR FR FL RL HD1 FWD/REV PB HEAD
R1 S4 EJECT SW S1 LOAD SW M1 MOTOR D1
M
S3 FWD/REV SW
13
CN1 579
S2 MUTE SW
B
2
4
6
8 10
A
CN604
C
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D
D
1 2 3 4
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KEH-1800,1830
5. ELECTRICAL PARTS LIST
NOTE:
- Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS.....
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------Part No. ------------------------=====Circuit Symbol and No.===Part Name --- ----------------------------------------------D D D L L LA3161P PM2006A SN761029DL TDA7384 PE5017B S-80734AN TPD1018F 2SC1740S DTC124ES DTC124ES DTC143TS DTC124ES 2SC1740S 2SC1740S 2SC2412K 2SC2412K 2SD2037 2SB1243 2SC2412K 2SD2396 2SA1048 2SC2412K 2SA1674 2SC2412K 2SA933S 2SB1242 DTC143TK 1SS270 1SS270 1SS270 1SS270 HZS7L(A1) 1SS270 1SS270 1SS270 1SS270 1SS270 1SS270 1SS270 1SS270 1SS270 HZS9L(A2) HZS7L(C3) HZS7L(A1) 1SS270 1SS270 1SR139-400 1SR139-400 1SR139-400 MA8056(H) L L L L X X FU 805 806 807 301 302 601 602 603 951 301 601 801 Diode Diode Diode Ferri-Inductor Ferri-Inductor Ferri-Inductor Ferri-Inductor Ferri-Inductor Choke Coil 600mH Crystal Resonator 7.200MHz Ceramic Resonator 4.194MHz Fuse 2A FM/AM Tuner Unit Part No. ------------------------MA8091(M) 1SR139-400 1SR139-400 LAU101K LAU2R2K LAU101K LAU101K LAU101K CTH1168 CSS1379 CSS1047 CEK1176 CWE1466
A
IC IC IC IC IC IC IC Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q D D D D D D D D D D D D D D D D D D D D D D
Unit Number : CWM6351 Unit Name : Tuner Amp Unit
MISCELLANEOUS 201 301 401 501 601 602 801 301 501 502 601 602 603 611 612 613 801 802 803 804 805 806 807 808 809 810 811 201 301 302 601 602 603 604 605 606 607 608 609 610 612 613 614 615 616 801 802 803 804 IC IC IC IC IC IC IC Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode
RESISTORS R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 201 202 203 204 205 206 207 208 209 210 301 302 305 306 307 308 309 310 311 312 314 315 316 317 318 319 320 321 322 323 324 326 328 332 333 334 335 336 338 339 RS1/10S273J RS1/10S273J RS1/10S104J RS1/10S104J RS1/10S472J RS1/10S472J RS1/10S470J RS1/10S470J RS1/10S273J RS1/10S273J RS1/10S272J RS1/10S272J RS1/10S0R0J RD1/4PU222J RS1/8S222J RS1/8S222J RS1/10S102J RS1/10S0R0J RS1/8S272J RD1/4PU222J RS1/8S392J RS1/10S392J RS1/10S152J RS1/10S103J RS1/10S0R0J RS1/10S472J RS1/10S682J RS1/10S222J RS1/10S472J RS1/10S682J RD1/4PU102J RD1/4PU0R0J RS1/10S561J RS1/10S103J RS1/8S393J RD1/4PU562J RD1/4PU472J RD1/4PU473J RD1/4PU104J RS1/10S473J
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=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 340 341 342 343 344 345 346 349 350 351 352 353 354 355 403 404 405 406 407 408 501 502 503 504 505 601 613 614 615 616 617 618 619 620 621 622 623 624 625 630 631 632 655 656 657 658 659 660 661 662 663 664 673 801 802
Part No. ------------------------RS1/10S473J RS1/10S681J RS1/10S681J RD1/4PU681J RD1/4PU681J RD1/4PU222J RS1/8S472J RD1/4PU102J RS1/10S510J RS1/10S0R0J RS1/10S0R0J RS1/10S0R0J RD1/4PU102J RS1/8S0R0J RS1/10S272J RS1/10S272J RS1/10S151J RS1/10S151J RS1/10S221J RS1/10S221J RD1/4PU103J RS1/10S153J RS1/10S221J RS1/10S101J RS1/8S103J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S222J RS1/10S222J RS1/10S222J RD1/4PU103J RS1/8S473J RS1/10S473J RD1/4PU104J RS1/10S473J RD1/4PU473J RS1/10S332J RS1/10S102J RD1/4PU152J RS1/10S102J RS1/10S124J RS1/10S223J RS1/10S103J RD1/4PU472J RS1/10S473J RS1/10S223J RD1/4PU473J RS1/10S473J RD1/4PU223J RD1/4PU473J RS1/10S222J RS1/10S0R0J RD1/4PU102J RS1/10S472J RS1/10S101J RD1/4PU332J RS1/10S103J RD1/4PU102J RD1/4PU122J RS1/10S103J RS1/10S102J RD1/4PU473J RS1/10S103J RS1/10S102J
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R R R R R R 814 816 817 818 819 820 821 822 823 824 825
Part No. ------------------------RS1/10S473J RS1/10S472J RS1/10S223J RS1/10S222J RS1/10S472J RD1/4PU102J RD1/4PU1R5J RD1/4PU1R5J RD1/4PU1R0J RS1/10S103J RS1/10S103J
CAPACITORS C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 201 202 203 204 205 206 207 208 209 210 211 301 302 303 307 308 311 313 314 315 316 317 318 319 320 321 322 324 325 326 328 331 332 333 334 335 336 337 340 341 342 343 401 402 403 404 405 406 407 408 409 410 411 412 413 CKSQYB681K50 CKSQYB681K50 CEJA2R2M50 CEJA2R2M50 CKSQYB333K50 CKSQYB333K50 CEJA101M10 CEJA101M10 CEJA1R0M50 CEJA1R0M50 CEJA101M10 CKSQYB223K50 CKSQYB223K50 CKSQYB223K50 CKSQYB103K50 CCSQCH101J50 CCSQCH101J50 CKSQYB223K50 CKSQYB473K50 CEJA220M6R3 CKSQYB103K50 CKSQYB103K50 CKSQYB102K50 CEJA220M10 CCSQCH150J50 CCSQCH150J50 CKSQYB103K50 CEJAR47M50 CCH1250 CKSQYB103K50 CKLSR473K16 CKSQYB104K16 CEJA220M6R3 CKSQYB103K50 CEJA220M6R3 CKSQYB103K50 CKSQYB223K50 CKSQYB103K50 CCH1165 CKSQYB103K50 CKSQYB473K50 CKSQYB102K50 CEJA2R2M50 CEJA2R2M50 CEJA100M16 CEJA100M16 CKSQYB822K50 CKSQYB822K50 CEJA1R0M50 CEJA1R0M50 CKSQYB183K50 CKSQYB183K50 CKSQYB104K16 CKSQYB104K16 CKSQYB104K16
4.7F/16V
4.7F/16V
R 803 R 804 R 805 www..com R 806 R 807 R R R R R 808 809 810 812 813
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KEH-1800,1830
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 414 415 416 417 418 419 420 423 424 501 502 503 504 505 506 507 508 510 601 602 604 606 607 608 620 621 623 801 802 803 804 805 806 807 808 809 811
Part No. ------------------------CKSQYB104K16 CEJA100M16 CEJA2R2M50 CKSQYB473K50 CKSQYB104K16 CEJA470M10 CEJA2R2M50 CKSYB105K16 CKSYB105K16 CKSYB224K16 CKSYB224K16 CKSYB224K16 CKSYB224K16 CEJA1R0M50 CKSYB105K16 CEJA100M16 CEJA330M10 CKSQYB104K16 CCSQCH101J50 CEJA4R7M35 CCSQCH101J50 CKSQYB104K16 CKSQYB224K16 CEJA2R2M50 CCSQCH101J50 CCSQCH101J50 CKSQYB102K50 CCH1018 CCH1183 CKSQYB102K50 CKSQYB473K50 CEJA101M10 CKSQYB103K50 CCH1181 CKSQYB103K50 CKSQYB104K16 CCH1179
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------CAPACITORS C C C C 901 904 905 906
Part No. -------------------------
CEAL100M16 CKSQYB104K16 CKSQYB102K50 CCSCH101J50
C
IC D L X IL IL IL IL LCD
Unit Number : CWM6275(KEH-1830/X1M/EW) Unit Name : Keyboard Unit
MISCELLANEOUS 901 901 901 901 901 902 903 904 901 IC Diode Ferri-Inductor Ceramic Resonator 4.97MHz Lamp 8V 100mA Lamp 8V 100mA Lamp 8V 100mA Lamp 8V 100mA LCD PD6293A STZ6R2N LAU101K CSS1422 CEL1479 CEL1479 CEL1479 CEL1479 CAW1513
RESISTORS R R R R R R R R R R R R 901 902 903 906 907 908 909 910 911 912 913 915 RS1/10S222J RS1/10S222J RS1/10S472J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S0R0J RS1/10S0R0J
3300F/16V 470F/16V
330F/10V
CAPACITORS C C C C 901 904 905 906 Unit Number : CWE1466 Unit Name : FM/AM Tuner Unit CEAL100M16 CKSQYB104K16 CKSQYB102K50 CCSCH101J50
100F/16V
C
IC D L X IL IL IL IL LCD
Unit Number : CWM6273(KEH-1800/X1M/EW) Unit Name : Keyboard Unit
MISCELLANEOUS 901 901 901 901 901 902 903 904 901 IC Diode Ferri-Inductor Ceramic Resonator 4.97MHz Lamp 14V 40mA Lamp 14V 40mA Lamp 14V 40mA Lamp 14V 40mA LCD PD6293A STZ6R2N LAU101K CSS1422 CEL1547 CEL1547 CEL1547 CEL1547 CAW1513
B
IC IC Q Q Q Q Q Q Q Q Q D D D D D D D L L L L L L L
MISCELLANEOUS 1 2 1 2 3 31 154 165 201 202 203 4 5 7 8 201 202 231 2 3 4 5 6 51 201 IC IC Transistor Transistor FET Transistor Transistor Transistor FET Transistor Transistor Diode Diode Diode Diode Diode Diode Diode Coil Inductor Coil Coil Inductor Ferri-Inductor Ferri-Inductor PA4023B PA4024A 2SC2412K DTC124EU 3SK263 2SC2412K DTC124EU 2SC2412K 2SK932 2SC2412K DTC124EU 1SV250 KV1410-F1 KV1410-F1 KV1410-F1 MA157 MA157 SVC253 CTC1133 LCTB2R2K2125 CTC1133 CTC1132 LCTBR15K1608 LAU150K LAU4R7K
RESISTORS R R R R R R R R R R R 901 902 903 906 907 909 910 911 912 913 915 RS1/10S222J RS1/10S222J RS1/10S472J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S0R0J RS1/10S0R0J
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=====Circuit Symbol and No.===Part Name --- ----------------------------------------------L L L L T T TC CF CF CF CF X X VR AR 202 203 208 231 31 51 1 51 52 53 232 151 231 154 1 Ferri-Inductor Inductor Inductor Inductor Coil Coil Trimmer Ceramic Filter Ceramic Filter Ceramic Filter Ceramic Filter Radiator 918.5Hz Crystal Resonator 10.26MHz Semi-fixed 150k(B) Capacitor with Discharge Gap
Part No. ------------------------LAU330K CTF1287 LAU121K LCTA3R3J3225 CTE1116 CTC1136 CCL1046 CTF1442 CTF1442 CTF1442 CTF1348 CSS1365 CSS1111 CCP1213 DSP-201M
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R R R R R R 217 231 232 237 238 239 240 241 243 244 247
Part No. ------------------------RS1/16S102J RS1/16S272J RS1/16S473J RS1/16S103J RS1/16S104J RS1/16S104J RS1/16S332J RS1/16S202J RS1/16S123J RS1/16S103J RS1/16S123J
CAPACITORS C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 1 2 4 6 8 9 10 11 13 14 16 17 18 19 20 21 22 23 24 25 31 32 33 34 36 51 52 54 55 56 57 58 59 61 62 63 101 102 103 104 105 106 107 151 152 153 154 157 158 159 160 161 162 163 170 CCSQCH6R0D50 CCSRCK2R0C50 CCSRCH820J50 CCSRCH820J50 CKSRYB103K25 CKSQYB104K16 CCSRCKR50C50 CEJA1R0M50 CKSRYB222K50 CCSRCH220J50 CCSRCH8R0D50 CKSRYB222K50 CKSRYB103K25 CKSRYB222K50 CKSRYB222K50 CEJA100M16 CCSRTH9R0D50 CCSRTH120J50 CCSRCH471J50 CKSRYB103K25 CKSRYB103K25 CKSQYB472K50 CCSRCH5R0C50 CKSQYB104K16 CCSRRH201J50 CKSRYB223K25 CKSRYB103K25 CCSRCH470J50 CKSQYB223K25 CKSQYB104K16 CKSRYB472K50 CEJA330M10 CKSRYB103K25 CCSRCH270J50 CKSRYB103K25 CEJAR15M50 CEJANP100M10 CKSRYB182K50 CKSRYB682K25 CEJA2R2M50 CKSRYB103K25 CCSRCH151J50 CKSRYB103K25 CKSRYB472K50 CKSQYB104K16 CEJA3R3M50 CKSQYB104K16 CEJA3R3M50 CKSYB474K16 CEJA220M6R3 CKSQYB104K16 CKSQYB104K16 CEJA3R3M50 CKSRYB102K50 CCSRCH100D50
RESISTORS R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 1 4 5 6 7 8 9 10 11 13 15 16 17 18 31 32 33 34 35 51 52 55 56 61 62 101 102 103 104 105 107 151 152 154 155 156 157 160 161 162 202 203 204 206 207 208 209 214 215 RS1/16S0R0J RS1/16S154J RS1/16S391J RS1/16S223J RS1/16S123J RS1/16S332J RS1/16S473J RS1/16S223J RS1/16S124J RS1/16S563J RS1/16S271J RS1/16S104J RS1/16S332J RS1/16S332J RS1/16S470J RS1/16S822J RS1/16S822J RS1/16S331J RS1/16S331J RS1/16S271J RS1/16S560J RS1/16S102J RS1/16S823J RS1/16S392J RS1/16S393J RS1/16S272J RS1/16S682J RS1/16S333J RS1/16S334J RS1/16S683J RS1/16S222J RS1/16S222J RS1/16S393J RS1/16S104J RS1/16S273J RS1/16S243J RS1/16S203J RS1/16S222J RS1/16S563J RS1/16S105J RS1/16S222J RS1/16S223J RS1/16S225J RS1/16S103J RS1/16S220J RS1/16S101J RS1/16S102J RS1/16S471J RS1/16S822J RS1/16S822J
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=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 201 202 203 204 205 206 207 209 211 212 213 216 217 219 220 230 231 232 233 234 235 236 237 239 240 241 242 243 244 245 246 250
Part No. ------------------------CCSRCH471J50 CCSRCH100D50 CKSRYB332K50 CKSQYB473K16 CKSQYB473K16 CKSQYB104K16 CCSRCH560J50 CKSQYB104K16 CCSRCH101J50 CEJA470M6R3 CKSRYB103K25 CCSRCH101J50 CEJA1R5M50 CCSRCH471J50 CKSRYB103K25 CKSRYB103K25 CCSRCH330J50 CCSRCH150J50 CKSQYB104K16 CEJA330M10 CKSRYB332K50 CKSQYB473K16 CCSRCH120J50 CKSRYB472K50 CEJAR47M50 CKSQYB104K16 CEJAR47M50 CEJAR33M50 CKSQYB473K16 CKSRYB123K25 CKSQYB473K16 CCSRCH471J50
=====Circuit Symbol and No.===Part Name --- -----------------------------------------------
Part No. -------------------------
D
S S S S R
Unit Number : Unit Name : Cassette PCB 1 2 3 4 1 Switch(Load) Switch(Mute) Switch(FWD/REV) Switch(Eject) ESN1016 ESN1017 ESH1006 ESG1006 RD1/4HM472J
Miscellaneous Parts List M HD FU 1 1 951 Motor Unit Head Assy Fuse 10A EXA1467 EXA1466 CEK1136
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KEH-1800,1830
6. ADJUSTMENT
- Connection Diagram
BACK UP ACC GND
+14.4V GND
DC Regulated Power Supply
Lch + Lch Rch + Rch -
4
mV Meter (1)
4
Oscilloscope
Dummy Antenna
Antenna
50(37.5)
FM SSG
50(75)
Stereo Modulator
FM/AM TUNER UNIT (TOP VIEW)
L2
Antenna
Pin26
TUNER AMP UNIT
TC1 L4 T31
Pin 19
Pin14
DC V Meter(1)
FM/AM TUNER UNIT
L5
Pin13
VR154 T51
Pin1
FM/AM TUNER UNIT (BOTTOM VIEW)
T51
Center Meter
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C63
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KEH-1800,1830
FM ADJUSTMENT
Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.) S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize. FM SSG No. TUN Volt 1 IF 2 ANT Coil 3 RF Coil 4 RF 5 Trimmer IFT ARC 6 7 8
Frequency(MHz)
Displayed Level(dBf) ***** 60--100 5 5 60--80
Frequency(MHz)
***** 98.1 98.1 98.1 129.3
M M M M
108.0 98.1 98.1 98.1 107.9
Adjustment Point L5 T51 L2 L4 TC1
Adjustment Method (Switch Position) DC V Meter(1) : 6V Center Meter : 0 mV Meter(1) : Maximum mV Meter(1) : Maximum mV Meter(1) : Minimum
RF Coil and RF Trimmer shall be adjusted twice or more 98.1 M 5 98.1 T31 98.1 S 40 98.1 VR154
mV Meter(1) : Maximum (STEREO MODE) mV Meter(1) : Separation 5dB (STEREO MODE)
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KEH-1800,1830
7. GENERAL INFORMATION
7.1 PARTS 7.1.1 IC
SN761029DL
Power Supply
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
1 2
Gain Adjust
AVcc IN1-L IN2-L IN3-L IN4(+)-L IN4(-)-L AGND SWout-L ZCin-L LOUD-L VRin-L TREB-L BASS-C1-L BASS-R-L BASS-C2-L NC TONEout-L FADERin-L FRNTout-L REARout-L VREFin AGND DGND Ct
VCC IN1-R IN2-R IN3-R IN4(+)-R IN4(-)-R AGND SWout-R ZCin-R LOUD-R VRin-R TREB-R BASS-C1-R BASS-R-R BASS-C2-R NC TONEout-R FADERin-R FRNTout-R REARout-R DVcc DATA CLK STB
Gain Adjust
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Volume, Loudness Treble Bass Fader Power Supply Isolator
Isolator
A
Zero-cross Detector Volume, Treble Loudness 3 Line Serial Bus Bass Fader
A
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KEH-1800,1830
- Pin Functions(PE5017B)
Pin No. Pin Name 1,2 NC 3 ADPW 4 GND 5,6 NC 7 AVREF1 8 KYDT 9 DPDT 10 dsens 11 TUNPDI 12 TUNPDO 13 TUNPCK 14 TUNPCE 15-21 NC 22 swvdd 23 NC 24 VDT 25 VCK 26 VST 27 SYSPW 28 mute 29 DMINH 30-32 NC 33 GND 34-37 NC 38 FM 39 AM 40-49 NC 50 eject 51 tapld 52 MECPW 53 mcmut 54 NOR/rev 55-59 NC 60 reset 61,62 NC 63 CLKIN 64 asens 65 bsens 66 SD 67 st 68 VDD 69 X2 70 X1 71 GND 72 NC 73 TESTIN 74 AVDD 75 AVREF0 76 SL 77 MODEL www..com 78-80 NC I/O Format Function and Operation Not used A/D converter power GND Not used (Connect to VDD) Key data input Display data output Grille detach sense input PLL IC data input PLL IC data output PLL IC clock output PLL IC chip enable output Not used Grille power supply control output Not used Data output for electronic volume Clock output for electronic volume Strobe pulse output for electronic volume System power supply control output System mute output Mechanism mute cancel output Not used GND Not used FM power control output AM power control output Not used Eject key input Tape loading input Cassette mechanism power output Mechanism mute input Normal reverse input Not used Reset input Not used Clock input ACC power sense input Back up power sense input SD input FM stereo input Power supply Oscillator output Oscillator input GND Not used Test program mode input A/D converter analog power supply (VDD) (A/D converter standard voltage input) Signal level input Model select input Not used
I O I I O O O O O O O O O O
C
C C C C C C C C C C
O O I I O I I I I I I I I
C C
C
I
I I
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KEH-1800,1830
*PE5017B 80 1
61
60
Format C
Meaning C MOS
IC's marked by* are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. 20 21 40 41
- Pin Functions (PD6293A)
Pin No. 1-5 6-8 9 10 11-14 15,16 17 18 19 20 21 22 23 24 25,26 27,28 29-55 56 57-64 *PD6293A 33 48 49 Pin Name SEG4-0 COM1-3 COM0 LCDB KS3-0 KDT0,1 REM DPDT NC KYDT MODA X0 X1 VSS KDT2,3 KST5,4 SEG39-13 VCC SEG12-5 I/O O O O O I I I O Function and Operation LCD segment output 4-0 Common driver output 1-3 Common driver output 0 LCD bias power supply Key strobe output 3-0 Key data input 0,1 Remote control reception Display data input Not used Key data output GND Crystal oscillator connection pin Crystal oscillator connection pin GND Key data input 2,3 Key strobe output 5,4 LCD segment output 39-13 5V LCD segment output 12-5
I O O O
32
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17 16 1
64
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KEH-1800,1830
PA4023B
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KEH-1800,1830
7.1.2 DISPLAY
- CAW1513
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SEGMENT
COMMON
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KEH-1800,1830
7.2 DISASSEMBLY
- Removing the Case(not shown) 1. Remove the three screws. 2. Remove the Case. - Removing the Cassette Mechanism Assy
(not shown)
1. Remove the four screws. 2.Disconnect the connector, and then removing the Cassette Mechanism Assy. - Removing the Panel Unit(Fig.1) Disengage the stopper at two locations indicated Remove the Panel Unit.
Panel Unit
Fig.1
- Removing the Tuner Amp Unit(Fig.2) Removing the two screws.
Removing the three screws.
Removing the screw.
Unbend the tabs at four locations indicated by arrow until straight. Remove the Tuner Amp Unit. www..com
Tuner Amp Unit
Fig.2
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KEH-1800,1830
7.3 BLOCK DIAGRAM
- KEH-1800/X1M/EW
A B
D
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C
39
Connection Diagram
1.This Unit
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KEH-1800,1830
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14.Fuse 2.Antenna jack 5 7 6 9 8 4. Note: Depending on the kind of vehicle, the function of 7 and 9 may be different. If this is the case, be sure to connect 6 to 9 and 7 to 8. When the power cord of the other product is connected to terminal 5, check the function of the terminal 5 (Back up or Accessory) beforehand. 3.Connect leads of the same color to each other. 5.Cap 7.Yellow Back-up (or accessory) 6.Yellow To terminal always supplied with power
8. OPERATIONS AND SPECIFICATIONS
9.Red Accessory (or Back-up)
8.Red To electric terminal controlled by ignition switch (12 V DC) ON/OFF.
10.Black To vehicle (metal) body.
11.ISO connector Note: In some vehicles, the ISO connector may be divided into two. If this is the case, be sure to connect to both connectors.
CAUTION
12.Speaker leads White: Front left + White/black: Front left Gray: Front right + Gray/black: Front right Green: Rear left + Green/black: Rear left Violet: Rear right + Violet/black: Rear right
13.Blue/white To Auto-antenna relay control terminal. (Max. 300 mA 12 V DC)
* Cords for this unit and those for other units may be different colors even if they have the same function. When connecting this unit to another unit, refer to the supplied Installation manuals of both units and connect cords that have the same function.
Key Finder Using the Cassette Player
Basic Operation of Cassette Player
1. Insert the cassette tape.
!/ buttons Eject button LOUD button 5//2/3 buttons CLOCK button
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SOURCE button
Cassette door
Programmable button
2. Switch tape playback from side A to side B, or vice versa.
+/- buttons
ATT button AUDIO button Function button
Buttons 1-6 BAND button Detach button Same Time
3. Raise or lower the volume.
4. Remove the cassette tape.
Note:
* The Tape function can be turned ON/OFF with the cassette tape remaining in this product.
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Tuner Operation
4. Raise or lower the volume.
Basic Operation of Tuner
1. Select Tuner.
5. Turn the source OFF.
Each press changes the Source ...
The program service name or frequency appears on the display. (" STEREO" indicator lights when a stereo station is selected.)
Hold for 1 second
2. Select the desired band.
FI = FII = FIII = MW/LW
3. Tune the receiver to a higher or lower frequency.
This product's tuner lets you select the tuning by changing the length of the time you press the button.
0.3 seconds or less 0.3 - 2 seconds 2 seconds or more
Manual Tuning (step by step)
Seek Tuning
Manual Tuning (continuously)
Note:
* To select a weak broadcasting station that cannot be tuned in with the Seek Tuning function, tune in with Manual Tuning.
Audio Adjustment Audio Adjustment
Bass/Treble Adjustment
This product is equipped with two tone adjustment modes, the Bass Adjustment and Treble Adjustment modes.
Selecting the Mode
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* Select the mode you want to adjust. 1. Select "Bass Adjustment mode" or "Treble Adjustment mode".
After adjustment use the BAND button to return to the normal display.
Each press changes the Mode ...
2. Increase or decrease the intensity of the bass or treble, whichever is selected.
Each press of the AUDIO button selects the mode in the following order: Fader/Balance = Bass = Treble = Loudness When audio modes are selected for adjustment, the setting returns to the normal display after 30 seconds. The display shows "+6" - "-6".
Balance Adjustment Loudness Adjustment
3. Repeat steps 1 - 2 above for the other Bass or Treble Adjustment mode.
This function allows you to select a Fader/Balance setting that provides ideal listening conditions in all occupied seats.
1. Select the Fader/Balance mode.
After adjustment use the BAND button to return to the normal display.
The Loudness function compensates for deficiencies in the low and high sound ranges at low volume.
2. Shift the balance progressively to the front or rear speakers.
1. Select the Loudness adjustment mode.
After selection use the BAND button to return to the normal display.
2. Switch the Loudness function ON or OFF.
"FAD F15" - "FAD R15" is displayed as it moves from front to rear.
Note:
"LOUD"
* "FAD 00" is the proper setting when 2 speakers are in use.
3. Shift the balance to the left or right speaker, respectively.
Volume Attenuator
The attenuator reduces the volume instantly.
"BAL L9" - "BAL R9" is displayed as it moves from left to right.
* Cut the volume by about 90%.
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Repeat the preceding operation to return to previous volume. If the (+) or (-) button is used to cancel the Attenuator mode, the sound will resume at a lower volume than before.
KEH-1800,1830
Specifications
General
Power source .......... 14.4 V DC (10.8 - 15.1 V allowable) Grounding system ........................................ Negative type Max. current consumption ........................................ 8.5 A Dimensions (mounting size) ...... 178 (W) x 50 (H) x 150 (D) mm (front face) .............. 188 (W) x 58 (H) x 19 (D) mm Weight ...................................................................... 1.2 kg
FM tuner
Frequency range ...................................... 87.5 - 108 MHz Usable sensitivity .................. 11 dBf (1.0 V/75 , mono, S/N: 30 dB) 50 dB quieting sensitivity .... 16 dBf (1.7 V/75 , mono) Signal-to-noise ratio ...................... 70 dB (IEC-A network) Distortion .......................... 0.3% (at 65 dBf, 1 kHz, stereo) Frequency response ...................... 30 - 15,000 Hz (3 dB) Stereo separation .......................... 40 dB (at 65 dBf, 1 kHz)
Amplifier
Maximum power output ...................................... 40 W x 4 Continuous power output .................................... 22 W x 4 (DIN45324, +B=14.4 V) Load impedance .......................... 4 (4 - 8 allowable) Tone controls (Bass) .............................................. 12 dB (100 Hz) (Treble) ............................................ 12 dB (10 kHz) Loudness contour ........ +10 dB (100 Hz), +7 dB (10 kHz) (volume: -30 dB)
MW tuner
Frequency range ...................................... 531 - 1,602 kHz Usable sensitivity .............................. 18 V (S/N: 20 dB) Selectivity .................................................. 50 dB (9 kHz)
LW tuner
Frequency range ........................................ 153 - 281 kHz Usable sensitivity .............................. 30 V (S/N: 20 dB) Selectivity .................................................. 50 dB (9 kHz)
Cassette player
Tape ........................ Compact cassette tape (C-30 - C-90) Tape speed ........ 4.76 cm/sec.(+0.14cm/sec.,-0.05cm/sec.) Fast forward/rewinding time ...... Approx. 90 sec. for C-60 Wow & flutter .......................................... 0.13% (WRMS) Frequency response .................... 40 - 14,000 Hz (3 dB) Stereo separation ...................................................... 45 dB Signal-to-noise ratio .................... 52 dB (IEC-A network)
Note:
* Specifications and the design are subject to possible modification without notice due to improvements.
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