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Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

MAIN

IC204

8-752-091-06 IC   CXA1846BN-T4

IC205

8-759-444-50 IC   TDA8574(T)

IC206

8-759-385-17 IC   NJM4580E(TE2)

IC207

8-759-444-50 IC   TDA8574(T)

IC208

8-759-444-50 IC   TDA8574(T)

IC211

8-759-486-44 IC   TDA7386

IC401

8-759-531-50 IC   PCM1716E-BT2

IC403

8-759-700-94 IC   NJM5532M

IC404

8-759-711-58 IC   NJM78L05UA

IC501

8-759-596-08 IC   MB90574PFV-G-225-BND

IC505

8-759-449-89 IC   BA8270F-E2

IC601

8-759-363-81 IC   XC61AN4002PR

IC602

8-759-347-50 IC   BA3918-V3

IC604

8-759-495-76 IC   RN5VD33AA-TL

IC606

8-759-495-75 IC   NJM317F

IC701

8-759-577-75 IC   MSM6656A-687GS-KR1

IC702

8-759-385-17 IC   NJM4580E(TE2)

< JACK >

J801

1-566-822-41 JACK (REMOTE IN)

< JUMPER RESISTOR >

JC10

1-216-295-00 SHORT

0

JC205

1-216-295-00 SHORT

0

JC206

1-216-295-00 SHORT

0

JC207

1-216-295-00 SHORT

0

JC208

1-216-295-00 SHORT

0

JC209

1-216-295-00 SHORT

0

JC210

1-216-295-00 SHORT

0

JC211

1-216-295-00 SHORT

0

JC212

1-216-295-00 SHORT

0

JC213

1-216-295-00 SHORT

0

JC214

1-216-295-00 SHORT

0

JC511

1-216-295-00 SHORT

0

JC513

1-216-296-00 SHORT

0

JC601

1-216-295-00 SHORT

0

JC603

1-216-295-00 SHORT

0

< COIL >

L10

1-414-398-11 INDUCTOR

10uH

L11

1-414-398-11 INDUCTOR

10uH

L401

1-414-598-11 FERRITE BEAD INDUCTOR

L402

1-414-398-11 INDUCTOR

10uH

L403

1-414-598-11 FERRITE BEAD INDUCTOR

L404

1-414-235-22 FERRITE BEAD INDUCTOR

L405

1-414-598-11 FERRITE BEAD INDUCTOR

L501

1-414-398-11 INDUCTOR

10uH

L601

1-411-670-31 INDUCTOR

400uH

L602

1-412-062-11 INDUCTOR CHIP 47uH

L701

1-414-398-11 INDUCTOR

10uH

< EARTH TERMINAL >

*

LUG1

1-537-738-21 TERMINAL, EARTH

< TRANSISTOR >

Q11

8-729-106-68 TRANSISTOR   2SD1615A-GP

Q12

8-729-120-28 TRANSISTOR   2SC1623-L5L6

Q14

8-729-921-25 TRANSISTOR   FMC2

Q15

8-729-900-53 TRANSISTOR   DTC114EK

Q16

8-729-920-21 TRANSISTOR   DTC314TKH04

Q17

8-729-920-21 TRANSISTOR   DTC314TKH04

Q18

8-729-920-21 TRANSISTOR   DTC314TKH04

Q19

8-729-921-25 TRANSISTOR   FMC2

Q51

8-729-021-94 FET   2SK1657-T1B

Q201

8-729-420-74 TRANSISTOR   2SD1328-RST

Q202

8-729-420-74 TRANSISTOR   2SD1328-RST

Q203

8-729-920-28 TRANSISTOR   FMG9

Q205

8-729-028-66 TRANSISTOR   DTC115EKA-T146

Q206

8-729-027-23 TRANSISTOR   DTA114EKA-T146

Q207

8-729-420-74 TRANSISTOR   2SD1328-RST

Q208

8-729-420-74 TRANSISTOR   2SD1328-RST

Q209

8-729-420-74 TRANSISTOR   2SD1328-RST

Q210

8-729-420-74 TRANSISTOR   2SD1328-RST

Q211

8-729-021-94 FET   2SK1657-T1B

Q212

8-729-920-21 TRANSISTOR   DTC314TKH04

Q213

8-729-920-21 TRANSISTOR   DTC314TKH04

Q214

8-729-920-21 TRANSISTOR   DTC314TKH04

Q215

8-729-920-21 TRANSISTOR   DTC314TKH04

Q401

8-729-922-65 TRANSISTOR   2SD1760F5-PQR

Q402

8-729-019-00 TRANSISTOR   2SD2394-G

Q403

8-729-921-25 TRANSISTOR   FMC2

Q404

8-729-904-48 TRANSISTOR   DTB113EK

Q405

8-729-900-53 TRANSISTOR   DTC114EK

Q501

8-729-120-28 TRANSISTOR   2SC1623-L5L6

Q502

8-729-900-53 TRANSISTOR   DTC114EK

Q503

8-729-027-23 TRANSISTOR   DTA114EKA-T146

Q504

8-729-900-53 TRANSISTOR   DTC114EK

Q508

8-729-027-38 TRANSISTOR   DTA144EKA-T146

Q604

8-729-120-28 TRANSISTOR   2SC1623-L5L6

Q608

8-729-120-28 TRANSISTOR   2SC1623-L5L6

Q611

8-729-106-60 TRANSISTOR   2SB1115A

Q612

8-729-900-53 TRANSISTOR   DTC114EK

Q617

8-729-922-65 TRANSISTOR   2SD1760F5-PQR

Q619

8-729-921-25 TRANSISTOR   FMC2

Q621

8-729-120-28 TRANSISTOR   2SC1623-L5L6

Q622

8-729-120-28 TRANSISTOR   2SC1623-L5L6

Q623

8-729-026-49 TRANSISTOR   2SA1037AK-T146-R

Q624

8-729-921-25 TRANSISTOR   FMC2

Q625

8-729-120-28 TRANSISTOR   2SC1623-L5L6

Q626

8-729-900-53 TRANSISTOR   DTC114EK

Q627

8-729-106-60 TRANSISTOR   2SB1115A

Q628

8-729-900-53 TRANSISTOR   DTC114EK

Q629

8-729-922-65 TRANSISTOR   2SD1760F5-PQR

Summary of Contents for CDX-C7850

Page 1: ...pply from ACC and BATT cords Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM f AM J CD Page of service manual Page of supplement 1 For printed wiring boards X parts ex...

Page 2: ...4 H 7 Q625 H 7 Q626 F 10 Q627 F 10 Q628 G 10 Q629 G 9 Q630 G 10 Q631 H 10 Q801 H 10 Q802 H 10 D10 E 2 D11 E 2 D12 E 1 D13 F 2 D201 F 7 D202 C 7 D203 C 8 D204 B 5 D205 B 5 D206 B 5 D207 B 6 D208 B 6 D209 B 6 D210 B 6 D211 B 6 D212 C 7 D401 F 8 D402 E 9 D501 F 7 D502 H 6 D505 B 10 D506 B 10 D507 B 10 D508 B 10 D509 B 10 D510 A 10 D511 B 10 D602 B 8 D603 B 8 D605 G 10 D606 F 10 D607 B 8 D608 F 10 D60...

Page 3: ...CDX C7850 5 6 Page 15 Page 16 Page 45 ...

Page 4: ... 7 8 CDX C7850 2 SCHEMATIC DIAGRAM MAIN SECTION 1 4 Note Voltage is dc with respect to ground under no signal detuned condition no mark FM AM Page 12 Page 9 ...

Page 5: ...CDX C7850 9 10 3 SCHEMATIC DIAGRAM MAIN SECTION 2 4 Note Voltage is dc with respect to ground under no signal detuned condition no mark FM Page 8 Page 12 Page 13 ...

Page 6: ... 11 12 CDX C7850 4 SCHEMATIC DIAGRAM MAIN SECTION 3 4 Note Voltage is dc with respect to ground under no signal detuned condition no mark FM AM CD PLAY Page 8 Page 9 Page 13 Page 42 ...

Page 7: ...CDX C7850 13 14 5 SCHEMATIC DIAGRAM MAIN SECTION 4 4 Note Voltage is dc with respect to ground under no signal detuned condition no mark FM AM CD PLAY Page 9 Page 17 Page 17 Page 12 ...

Page 8: ... 15 16 CDX C7850 6 PRINTED WIRING BOARD RELAY SECTION Ref No Location D850 B 9 D851 B 9 LED802 B 5 LED803 B 5 LED804 A 1 Semiconductor Location SIDE B Page 5 Page 5 Page 60 ...

Page 9: ... 17 7 SCHEMATIC DIAGRAM RELAY SECTION CDX C7850 Page 14 Page 14 Page 61 ...

Page 10: ...IP 100PF 5 50V C37 1 163 251 11 CERAMIC CHIP 100PF 5 50V C38 1 163 234 11 CERAMIC CHIP 20PF 5 50V C40 1 163 243 11 CERAMIC CHIP 47PF 5 50V C41 1 162 587 11 CERAMIC CHIP 0 039uF 10 25V C42 1 163 986 00 CERAMIC CHIP 0 027uF 10 25V C43 1 163 986 00 CERAMIC CHIP 0 027uF 10 25V C44 1 115 565 11 CERAMIC CHIP 2 2uF 10 10V C45 1 115 565 11 CERAMIC CHIP 2 2uF 10 10V C46 1 164 004 11 CERAMIC CHIP 0 1uF 10 2...

Page 11: ...01 1 115 651 11 ELECT 100uF 20 16V C402 1 124 234 00 ELECT 22uF 20 16V C403 1 163 235 11 CERAMIC CHIP 22PF 5 50V C404 1 163 038 00 CERAMIC CHIP 0 1uF 25V C406 1 115 651 11 ELECT 100uF 20 16V C407 1 163 237 11 CERAMIC CHIP 27PF 5 50V C408 1 163 237 11 CERAMIC CHIP 27PF 5 50V C409 1 163 038 00 CERAMIC CHIP 0 1uF 25V C410 1 163 038 00 CERAMIC CHIP 0 1uF 25V C411 1 163 038 00 CERAMIC CHIP 0 1uF 25V C4...

Page 12: ...D207 8 719 053 18 DIODE 1SR154 400TE 25 D208 8 719 053 18 DIODE 1SR154 400TE 25 D209 8 719 053 18 DIODE 1SR154 400TE 25 D210 8 719 053 18 DIODE 1SR154 400TE 25 D211 8 719 053 18 DIODE 1SR154 400TE 25 D212 8 719 421 24 DIODE MA8039 H D401 8 719 977 03 DIODE DTZ5 6B D402 8 719 422 94 DIODE MA8091 L D501 8 719 400 20 DIODE MA152WA D502 8 719 404 50 DIODE MA111 TX D505 8 719 404 50 DIODE MA111 TX D506...

Page 13: ...R 2SC1623 L5L6 Q14 8 729 921 25 TRANSISTOR FMC2 Q15 8 729 900 53 TRANSISTOR DTC114EK Q16 8 729 920 21 TRANSISTOR DTC314TKH04 Q17 8 729 920 21 TRANSISTOR DTC314TKH04 Q18 8 729 920 21 TRANSISTOR DTC314TKH04 Q19 8 729 921 25 TRANSISTOR FMC2 Q51 8 729 021 94 FET 2SK1657 T1B Q201 8 729 420 74 TRANSISTOR 2SD1328 RST Q202 8 729 420 74 TRANSISTOR 2SD1328 RST Q203 8 729 920 28 TRANSISTOR FMG9 Q205 8 729 02...

Page 14: ...K 5 1 10W R223 1 216 073 00 METAL CHIP 10K 5 1 10W R224 1 216 068 00 METAL CHIP 6 2K 5 1 10W R225 1 216 068 00 METAL CHIP 6 2K 5 1 10W R226 1 216 065 00 RES CHIP 4 7K 5 1 10W R227 1 216 073 00 METAL CHIP 10K 5 1 10W R228 1 216 065 00 RES CHIP 4 7K 5 1 10W R229 1 216 097 00 RES CHIP 100K 5 1 10W R230 1 216 097 00 RES CHIP 100K 5 1 10W R233 1 216 089 00 RES CHIP 47K 5 1 10W R234 1 216 295 00 SHORT 0...

Page 15: ...7 00 RES CHIP 100K 5 1 10W R624 1 216 065 00 RES CHIP 4 7K 5 1 10W R625 1 216 097 00 RES CHIP 100K 5 1 10W R626 1 216 073 00 METAL CHIP 10K 5 1 10W R631 1 216 041 00 METAL CHIP 470 5 1 10W R632 1 216 097 00 RES CHIP 100K 5 1 10W R633 1 216 067 00 METAL CHIP 5 6K 5 1 10W R636 1 216 073 00 METAL CHIP 10K 5 1 10W R637 1 216 073 00 METAL CHIP 10K 5 1 10W R638 1 216 073 00 METAL CHIP 10K 5 1 10W R639 1...

Page 16: ...1 1 577 101 11 VIBRATOR CERAMIC 4 19MHz 1 672 698 12 RELAY BOARD CAPACITOR C805 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C806 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C807 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V CONNECTOR CN802 1 779 170 11 SOCKET CONNECTOR 20P CN803 1 779 169 11 SOCKET CONNECTOR 18P CN804 1 778 330 21 PIN CONNECTOR PC BOARD 2P SPARK GAP CP801 1 517 729 31 GAP SPARK DIODE D850 8 ...

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