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C.E.SUPPLY
Service Manual
CASSETTE CAR STEREO WITH FM/AM ELECTRONIC TUNER
ORDER NO.
CRT2327
KEH-1906ZZ2
VEHICLE DESTINATION U.S.A, CANADA PRODUCED AFTER 1999 PART No. ID No.
X1R/UC
- This additional service manual is designed to be used together with Model KEH-1906ZZ/X1H/UC Service Manual CRT1721. Refer to it for finding parts numbers and adjustment,etc. which are not shown in this manual.
PIONEER MODEL No. KEH-1906ZZ2/X1R/UC
ELECTRICAL PARTS LIST(Page 11)
Tuner Amp Unit Symbol and Description Q271 Transistor L502 Inductor R501 R545 WB Unit Symbol and Description C802,803 C813 Part No. KEH-1906ZZ/X1H/UC KEH-1906ZZ2/X1R/UC CCSQCH120J50 CCSQCH150J50 CCSQCH180J50 CCSQCH200J50 Part No. KEH-1906ZZ/X1H/UC KEH-1906ZZ2/X1R/UC 2SB1242 2SB1241 Not used LCTBR47K2125 RS1/10S101J RS1/10S271J RS1/8S0R0J Not used
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 1999
K-ZZB. FEB. 1999 Printed in Japan
1
2
3
4
KEH-1906ZZ2
3. SCHEMATIC DIAGRAM
3.1 OVERALL CONNECTION DIAGRAM (GUIDE PAGE)
A
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".
TUNER AMP UNIT
A-a
2 1
A-a
A-b
Large size SCH diagram
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
FM:-16dBs AM:-22dBs
A-a
A-b
Guide page
AM IF
B
A-a A-b
Detailed page
VCO AMP
3 2 1
LOOP FILTER
WB:-11.0dBs
1 2 3 4 5 6 7 1 2 3 4 5 6 7
WB UNIT
9 8 7 6 5 4 3 2 1
C
RF AMP 1ST IF 10.7MHz
1 3 5 7 9 11 13 15 17 19
DET.
2 4 6 8 10 12 14 16 18 20
2ND IF 450kHz TAPE +B REGULATOR EQ AMP
1 2 3 4 5 6 7 8
TAPE:-22.0dBs
D
P.C.BOARD (A)
TEST TAPE: 315Hz 0dB -73dBs
MECHA +B SW
2
A
1 2 3 4
MECHANISM MUTE
5
6
7
8
KEH-1906ZZ2
A-b
TAPE:-28.4dBs FM:-20.4dBs AM:-26.4dBs WB:-19.4dBs
A
ELECTRONIC VOLUME
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 2 3 4 5 6 7
41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
48 47 46 45 44 43 42
POWER AMP
B
20 6 25 5 2 3 11 5
TAPE:-4dBs
12
4
TU +B SWITCH
WB +B SWITCH
FM +B SWITCH
AM +B SWITCH
13
9 8 7
6 7
AUDIO +B REGULATOR
15
SYSTEM POWER
17 18
8
14
19 21
9 10 11
22
24 23
MUTE
16 10 4
MUTE
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
1
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
SYSTEM CONTORLLER
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
1
C
SYSTEM +B SENSE
VDD REGULATOR
12
2 3
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
ACC SENSE
BACK UP SENSE
MECHANISM MUTE
ILLUMINATION POWER SWITCH
D
MECHANISM +B SWITCH
A
5 6 7 8
3
B A
D C
4
A-a A-b
TUNER AMP UNIT
KEH-1906ZZ2
A-a
FM:-16dBs AM:-22dBs
1
1
2 1
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
2
2
AM IF
3
3
WB +B SWITCH TU +B SWITCH
VCO AMP
4
3 2 1
4
LOOP FILTER
WB: 11 0dBs
WB:-11.0dBs
1 2 3 4 5 6 7 1 2 3 4 5 6 7
WB UNIT
24 23 22 21 20 19 18 17 9 8 7 6 5 4 3 2 1
RF AMP
5
2 4 6 8 10 12 14 16 18 20
1 3 5 7 9 11 13 15 17 19
41 42 43 44 45 46 47 48
P.C.BOARD (A)
MECHANISM +B SWITCH
MECHANISM MUTE
5
1ST IF 10.7MHz
DET.
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
S
6
6
2ND IF 450kHz EQ AMP
1 2 3 4 5 6 7 8
TAPE +B REGULATOR
TAPE:-22.0dBs
TEST TAPE: 315Hz 0dB -73dBs
7 C
7
KEH-1906ZZ2
A-a
A-a A-b
A B
8
8
5
D
B A
D C
6
A-a A-b
KEH-1906ZZ2
48 47 46 45 44 43 42
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
20
TAPE:-4dBs
12
6
25
4
16
MUTE
10
1
A-b
ELECTRONIC VOLUME POWER AMP
5 2 3 11 9 13 8 7 15 17 18 14 19 21 22 24 23 11 9 10 7 5 4 6
1
1
TAPE:-28.4dBs FM:-20.4dBs AM:-26.4dBs WB:-19.4dBs
2
2
3
3
WB +B WITCH AUDIO +B REGULATOR SYSTEM POWER
FM +B SWITCH
AM +B SWITCH
8
4
4
MUTE
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
1
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
5
5
VDD REGULATOR
12
SYSTEM +B SENSE
2 3
SYSTEM CONTORLLER
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
6
6
ACC SENSE
BACK UP SENSE
ILLUMINATION POWER SWITCH
7
7
KEH-1906ZZ2
A-b
A-a A-b
A B C
8
8
7
D
1
2
3
4
KEH-1906ZZ2
TUNER AMP UNIT
- Connection Diagram NOTE FOR PCB DIAGRAMS
A
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
P.C.Board
Chip Part
SIDE B
B
C
D
8 1 2 3 4
5
6
7
8
KEH-1906ZZ2
P.C.BOARD(A) WB UNIT CN9 FM/AM TUNER UNIT
SIDE A
ANTENNA JACK A
7 6 5 4 3 2 1 CN801
1 2 CN502
B
3 2 1
C
D CN902 1 2 3 4 5 6 7 8
KEYBOARD UNIT CN901
9 5 6 7 8
1
2
3
4
KEH-1906ZZ2
A
B
C
D
10 1 2 3 4
5
6
7
8
KEH-1906ZZ2
SIDE B
A
B
C
D
11 5 6 7 8
KEH-1906ZZ2
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 --- ----------------------------------------------Unit Number Unit Name MISCELLANEOUS IC IC IC IC Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q 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 251 451 551 601 251 260 270 271 351 352 353 354 355 356 357 501 510 511 520 530 561 562 563 830 831 961 962 963 964 971 972 973 974 975 976 977 978 979 980 981 260 280 351 352 353 354 510 530 531 561 IC IC IC IC Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor 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 LA3161P SN761025DL TDA7384 PD4612B DTC114EK 2SD1859 DTC143TK 2SB1241 DTA114ES 2SC2458 2SC2458 2SC2458 2SC2458 DTC124ES DTC124ES 2SC2498 2SK330 2SC2458 2SC3295 2SC2458 DTC143TS DTC124ES 2SC2458 2SC2712 2SC2458 2SD1859 2SB1243 DTC143EK 2SA1048 DTC114EK 2SA1048 2SD1684 DTC114ES 2SA1150 DTC114EK 2SA1150 DTC114EK 2SA1150 DTC114ES 2SA1150 HZS9L(A1) 1SS133 HZS9L(A1) HZS7L(C3) 1SS133 RD6R8JS(B3) RD3R0ES(B2) 1SS133 1SS133 1SS133 : HWM0013 : Tuner Amp Unit Part No. ------------------------=====Circuit Symbol and No.===Part Name --- ----------------------------------------------D D D D D D D D D L L L L L X 562 563 601 961 962 963 964 971 985 501 502 601 602 981 601 Diode Diode Diode Diode Diode Diode Diode Diode Diode Ferri-Inductor Inductor Ferri-Inductor Ferri-Inductor Ferri-Inductor Crystal Resonator 4.500MHz Part No. ------------------------1SS133 1SS133 1SS133 ERC05-10B 1SS133 ERA15-02VH HZS6L(B2) RD9R1JS(B2) RD6R2JS(B3) CTF-157 LCTBR47K2125 LAU2R2K LAU2R2K LAU2R2K CSS1077
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 251 252 253 254 260 261 262 263 270 271 272 273 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 351 352 353 354 355 357 358 359 360 361 362 RS1/10S223J RS1/10S104J RS1/8S473J RS1/8S332J RS1/10S102J RS1/10S104J RS1/10S473J RS1/10S473J RS1/10S472J RD1/4PU102J RD1/4PU1R5J RD1/4PU1R5J RS1/10S104J RS1/8S104J RS1/10S472J RS1/8S472J RS1/10S470J RS1/8S470J RS1/10S273J RS1/10S273J RS1/10S103J RS1/10S103J RS1/10S153J RS1/10S153J RS1/8S0R0J RS1/8S0R0J RS1/10S0R0J RS1/8S0R0J RS1/10S101J RS1/10S103J RS1/10S223J RS1/10S103J RS1/10S223J RS1/10S104J RS1/10S103J RS1/10S472J RS1/10S472J RS1/10S103J RS1/10S223J RD1/2PM102J
12
KEH-1906ZZ2
=====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 R R R R R R R R R R R R R R R 451 452 453 454 455 456 457 458 459 460 461 462 464 465 501 503 504 505 506 507 510 511 512 513 514 515 516 517 521 522 523 524 525 526 527 530 532 534 535 540 541 547 551 552 553 554 559 561 562 563 564 565 566 567 568 601 602 603 604 605 606 607 608 609 610 611 612 614 615 621
Part No. ------------------------RS1/10S821J RS1/8S821J RS1/8S182J RS1/8S182J RS1/10S102J RS1/10S102J RS1/10S272J RS1/10S272J RS1/10S151J RS1/10S151J RS1/10S101J RS1/10S101J RD1/4PU103J RS1/10S103J RS1/10S271J RS1/10S332J RS1/10S821J RS1/10S331J RS1/10S330J RS1/10S680J RS1/10S472J RS1/10S102J RS1/10S152J RS1/10S102J RS1/10S472J RD1/4PU103J RD1/4PU223J RS1/10S473J RS1/10S222J RS1/10S221J RS1/10S223J RS1/10S103J RS1/10S123J RS1/8S822J RS1/8S103J RS1/10S0R0J RS1/10S683J RS1/10S222J RS1/8S0R0J RS1/10S472J RS1/10S102J RS1/8S0R0J RS1/10S471J RD1/4PU471J RD1/4PU471J RS1/8S471J RS1/10S103J RD1/4PU222J RS1/10S103J RS1/10S153J RS1/10S221J RS1/10S472J RS1/10S222J RS1/10S222J RS1/10S0R0J RS1/8S473J RS1/10S472J RS1/10S472J RS1/10S472J RS1/10S103J RS1/10S331J RS1/10S472J RS1/10S473J RS1/10S102J RS1/10S102J RS1/8S472J RS1/8S473J RS1/10S122J RS1/10S122J RD1/4PU102J
=====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 622 623 624 625 830 831 832 833 834 835 836 961 962 963 965 966 971 972 973 974 975 976 977 978 979 981 982 984 988 989
Part No. ------------------------RD1/4PU472J RD1/4PU472J RD1/4PU472J RD1/4PU472J RS1/10S473J RS1/10S102J RS1/10S473J RS1/10S103J RS1/10S103J RD1/4PU102J RS1/10S681J RS1/10S392J RS1/8S472J RD1/4PU102J RS1/10S473J RS1/10S472J RS1/10S472J RS1/10S472J RD1/4PU471J RS1/10S223J RD1/4PU102J RD1/4PU102J RD1/4PU102J RD1/4PU102J RD1/4PU102J RD1/4PU102J RD1/4PU102J RS1/10S0R0J RS1/10S0R0J RS1/8S102J
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 251 252 254 260 261 262 270 280 281 282 283 284 285 286 287 288 291 351 352 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 470µF/16V 220µF/10V CKSQYB104K25 CKSQYF104Z25 CKSQYB104K16 CKSQYB104K16 CEJA470M10 CEJA101M10 CCH1183 CCH1014 CKSQYB333K25 CKSYB333K25 CEJA101M10 CEJA101M10 CKSQYB681K50 CKSQYB681K50 CEJA2R2M50 CEJA2R2M50 CKSQYB104K16 CKSQYB223K50 CKSQYB122K50 CEJA470M10 CKSQYF104Z25 CEJANP2R2M35 CEJANP2R2M35 CEJANP4R7M16 CEJANP4R7M16 CEJANP2R2M35 CEJANP2R2M35 CKSYB103K50 CKSYB103K50 CEJANP100M16 CEJANP100M16 CKSQYB822K50 CKSQYB822K50 CEJA1R0M50 CEJA1R0M50
13
KEH-1906ZZ2
=====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 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 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 501 502 503 504 510 511 512 513 520 521 530 531 532 540 541 542 543 549 551 552 553 554 555 556 557 558 559 561 601 602 603 604 605 830 831 961 962 963 964 965 966 968 971 972 973 974 981 982
Part No. ------------------------CEJANP100M16 CEJANP100M16 CKSQYB152K50 CKSQYB152K50 CKSQYB183K25 CKSQYB183K25 CKSQYB102K50 CKSQYB102K50 CEJA2R2M50 CEJA2R2M50 CKSQYB333K25 CKSQYB333K25 CCSQSL101J50 CCSQSL101J50 CEJANP100M10 CEJANP100M10 CEJA2R2M50 CEJA100M16 CKSQYB104K16 CKSQYB681K50 CKSQYB103K50 CCSQSL101J50 CCSQCH101J50 CCH1005 CKSQYB103K50 CKSQYB473K50 CKSQYB102K50 CKSQYB103K50 CKSYB223K50 CKSQYB223K50 CKSQYB473K16 CKSQYB223K50 CKSQYB473K16 CKSQYB473K16 CKSQYB104K16 CCSSL101J50 CKSQYB473K16 CEJAR22M50 CEJAR22M50 CEJAR22M50 CEJAR22M50 CKSQYB104K25 CKSQYB104K25 CEJA1R0M50 CEJA1R0M50 CEJA100M16 CEJA330M10 CCSQCH100D50 CCSQCH100D50 CEJA4R7M35 CKSQYB104K25 CKSYB224K25 CEJA100M16 CKSQYB103K25 CCH1183 CKSQYB102K50 CEJA101M10 CEJA101M10 CKSQYB473K16 CCH1188 CEJA470M16 CEAS331M10 CKSQYB103K50 CEAS331M10 CKSQYB104K16 CKSQYB104K16 CKSQYB473K16
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------Unit Number Unit Name MISCELLANEOUS IC IC Q Q D L L L L L T T CF CF X 801 802 801 802 801 801 802 803 804 805 801 802 801 802 801 IC IC FET Transistor Diode Coil Coil Coil Coil Coil Coil Coil FM Ceramic Filter Filter Crystal Resonator 50.59MHz : HWE0001 : WB unit
Part No. -------------------------
TK10483Z KHA804 2SK241 2SC2786 KV1310 CTC1006 CTC1006 CTC1030 CTC1006 CTE1001 CTE1002 CTE1003 CTF-101 CTF1350 CSS1001
RESISTORS R R R R R R R R R R R R R R R R R 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 819 RD1/4PU331J RD1/4PU682J RD1/4PU153J RD1/4PU181J RD1/4PU331J RD1/4PU470J RS1/10S102J RS1/10S103J RD1/4PU104J RD1/4PU103J RD1/4PU332J RD1/4PU332J RD1/4PU332J RD1/4PU473J RD1/4PU473J RD1/4PU183J RS1/10S103J
4.7µF/16V
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 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 CCSQCK2R0C50 CCSQCH150J50 CCSQCH150J50 CKSQYB102K50 CCSQCJ3R0C50 CKSQYB103K50 CKSQYB102K50 CCSQUJ101J50 CCSQUJ101J50 CKSQYB102K50 CCSQCK2R0C50 CCSQCK1R0C50 CCSQCH200J50 CEAL1R0M50 CQEA683J50 CQEA683J50 CKSQYB473K25 CKSQYB103K50 CCSQCH4R0C50 CCSQCH101J50 CKSQYB103K50 CKSQYF104Z25 CKSQYF104Z25 CEAL470M16 CKSYF224Z50
470µF/16V
4700µF/16V
14
KEH-1906ZZ2
EXPLODED VIEW AND PARTS LIST
CHASSIS (Page 30)
- CHASSIS SECTION PARTS LIST
Mark No. 17 20 33 Description Tuner Amp Unit Cord Assy WB Unit Part No. KEH-1906ZZ/X1H/UC KEH-1906ZZ2/X1R/UC HWM4373 HWM0013 HDE0005 Not used HWE1396 HWE0001
PACKING METHOD (Page 35)
- PACKING SECTION PARTS LIST
Mark No. 6 7 8 9 Description Cord Assy Accessory Assy Owner's Manual(English,French) Contain Box Part No. KEH-1906ZZ/X1H/UC KEH-1906ZZ2/X1R/UC HDE0005 Not used HEA2177 HEA0027 HRD1923 HRD0086 HHL0062 HHL0174
15