Pioneer CDXFM-657 Service manual

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-ZZY. FEB. 1999 Printed in Japan

ORDER NO.

CRT2316

UNIVERSAL MULTI-CD SYSTEM

CDX-FM657 X1N/UC

CONTENTS

1. SAFETY INFORMATION ............................................3

2. EXPLODED VIEWS AND PARTS LIST.......................4

3. SCHEMATIC DIAGRAM ...........................................14

4. PCB CONNECTION DIAGRAM ................................26

5. ELECTRICAL PARTS LIST ........................................34

6. ADJUSTMENT..........................................................38

7. GENERAL INFORMATION .......................................45

7.1 PARTS .................................................................45

7.1.1 IC................................................................45

7.1.2 DISPLAY....................................................51

7.2 DIAGNOSIS ........................................................52

7.2.1 DISASSEMBLY .........................................52

7.2.2 TEST MODE..............................................54

7.3 BLOCK DIAGRAM ..............................................60

8. OPERATIONS AND SPECIFICATIONS.....................62

- See the separate manual CX-892(CRT2356) for the CD mechanism description, disassembly and circuit description.

- The CD mechanism employed in this model is one of C7 series.

CDX-FM657/X1N/UC

CDX-FM657 X1N/EW CDX-FM657 X1N/ES

CDX-FM657

- CD Player Service Precautions

1. For pickup unit(CXX1285) handling, please refer to"Disassembly"(See page 52). During replacement, handling precautions shall be taken to prevent an electrostatic discharge(protection by a short pin).

2. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a connector is plugged or unplugged.

3. Please checking the grating after changing the pickup unit (See page 39).

4. Since these screws protects the mechanism during transport, be sure to affix it when it is transported for repair, etc.

A transport screw has been attached to the set in order to protect it during transportation. After removing the transport screw, cover the hole with the supplied seal. Be sure to remove the transport screw before mounting the set. The removed transport screw should be retained in the accessory bag for use the next time the set is transported.

Seal After removing the transport screw, cover the hole with the supplied seal.

Transport screw Attach to the original position before transporting the set.

CDX-FM657

1. SAFETY INFORMATION

1.1 CDX-FM657/X1N/UC

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.

ARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65

1.2 CDX-FM657/X1N/EW

1. Safety Precautions for those who Service this Unit.

• Follow the adjustment steps (see pages 38 through 44)in the service manual when servicing this unit. When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results.

Caution:

1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.

2. During repair or tests, do not view laser beam for 10 seconds or longer.

2. A “CLASS 1 LASER PRODUCT” label is affixed to the rear of the player.

3. The triangular label is attached to the mechanism unit frame.

4. Specifications of Laser Diode

Specifications of laser radiation fields to which human access is possible during service. Wavelength = 800 nanometers

CDX-FM657

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

CDX-FM657

Part No.

Mark No. Description CDX-FM657/X1N/UC CDX-FM657/X1N/EW CDX-FM657/X1N/ES

1 Accessory Assy CEA2494 CEA2493 CEA2495 2 Spring CBH-865 Not used CBH-865 3 Cord CDE4289 CDE4289 CDE4289 4 Cord CDE5812 CDE5813 CDE5812 5 Cord CDE5814 CDE5814 CDE5814

6 Screw Assy CEA1962 CEA1962 CEA1962 7 Screw CBA1295 CBA1295 CBA1295

* 8 Polyethylene Sheet CNM5158 CNM5158 CNM5158

9 Screw HMB60P500FMC HMB60P500FMC HMB60P500FMC

10 Screw HMF40P080FZK HMF40P080FZK HMF40P080FZK

11 Nut NF60FMC NF60FMC NF60FMC 12 Screw Assy CEA1965 Not used CEA1965

* 13 Polyethylene Bag CEG-127 Not used CEG-127

14 Screw IMS30P050FZK Not used IMS30P050FZK 15 Clamper CEF1010 CEF1010 CEF1010

* 16 Polyethylene Bag CEG-158 CEG-158 CEG-158

17 Polyethylene Bag CEG1185 *E36-622 *E36-622 18 Battery CEX1030 CEX1030 CEX1030 19 Bracket CNC8061 Not used CNC8061 20 Cushion CNM3182 Not used CNM3182

21 Fastener(Soft) CNM3872 CNM3872 CNM3872 22 Fastener(Rough) CNM4041 CNM4041 CNM4041 23 Panel CNS5428 Not used CNS5428

* 24 Polyethylene Bag CEG1099 CEG1099 CEG1099

25 Polyethylene Bag CEG1185 CEG1042 CEG1042

26 Carton CHG3759 CHG3725 CHG3726 27 Sub Carton CHG3763 CHG3733 CHG3734 28 Contain Box CHL3759 CHL3725 CHL3726 29 Protector CHP2133 CHP2133 CHP2133 30 Protector CHP2135 CHP2135 CHP2135

31 Seal CNM5599 CNM5599 CNM5599 32-1 Installation Manual CRD2944 CRD2882 CRD2884 32-2 Owner’s Manual CRD2943 CRD2880 CRD2883 32-3 Owner’s Manual Not used CRD2881 Not used

* 32-4 Warranty Card Not used CRY1087 Not used

* 32-5 Caution Card CRP1205 CRP1205 CRP1205

33 Antenna Select Assy CWM6445 CWM6445 CWM6445

34 Display Assy CXB3248 CXB3247 CXB3248

35 Remote Control Assy CXB3261 CXB3261 CXB3261

36 Magazine Assy CXB4027 CXB4027 CXB4027

- PACKING SECTION PARTS LIST

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.

CDX-FM657

- Owner’s Manual

Model Part No. Language CDX-FM657/X1N/UC CRD2943 English, French CDX-FM657/X1N/EW CRD2880 English, Italian, French

CRD2881 German, Dutch, Spanish

CDX-FM657/X1N/ES CRD2883 English, Spanish, Portuguese(B), Arabic

- Installation Manual

Model Part No. Language CDX-FM657/X1N/UC CRD2944 English, French CDX-FM657/X1N/EW CRD2882 English, Italian, French, German, Dutch, Spanish CDX-FM657/X1N/ES CRD2884 English, Spanish, Portuguese(B), Arabic

Part No.

Mark No. Description CDX-FM657/X1N/UC CDX-FM657/X1N/EW CDX-FM657/X1N/ES

37 Angle Assy CXB3591 CXB3591 CXB3591 38 ••••• 39 ••••• 40 Bracket Not used CNC5114 Not used 41 Bracket Not used CNC5115 Not used

* 42 Caution Card CRP1090 CRP1090 CRP1090 * 43 Caution Card CRP1195 CRP1195 CRP1195

44 Air Cushioned Bag CEG1055 CEG1055 CEG1055 45 Cover CEG1062 CEG1062 CEG1062 46 Screw Assy Not used CEA1964 Not used

47 Screw Not used BMZ40P060FZK Not used 48 Screw Not used BNC40P120FZK Not used 49 Screw Not used BPZ30P050FZK Not used

* 50 Polyethylene Bag Not used CEG-127 Not used

51 Washer Not used WG40FZK Not used

CDX-FM657

2.2 EXTERIOR

CDX-FM657

1 Screw BMZ26P040FMC 2 Screw BMZ30P040FZK 3 Button CAC4632 4 Screw CBA1460 5 Spring CBH1859

6 Connector CDE5525 7 Connector CDE5833 8 Cord CDE4289 9 Cord

See Contrast table(2)

10 Resistor RS1/2PMF102J

11 Cap CNS1472 12 Cord CDE5814 13 Upper Case CNB2389 14 Arm CNC8058 15 Insulator CNM6074

16 Panel CNS5216 17 Damper CNV5591 18 Antenna Select Assy CWM6445 19 Cord CDE4087 20 Antenna Cable CDH1207

21 Chassis CNA1555 22 Case CNB1764 23 Antenna Select Unit CWX2200 24 Plug(CN502) CKS1222 25 Plug(CN501) CKS2812

26 Antenna Jack(CN503) CKX1006 27 Extension Unit

See Contrast table(2)

28 Screw BMZ26P060FMC 29 Jack(CN401) CKN1022 30 Plug(CN801) CKS-460

31 Connector(CN802) CKS3195 32 Connector(CN201) CKS4019 33 Connector(CN803) CKS3407 34 Holder CNC8056 35 Holder CNC8070

36 Display Assy

See Contrast table(2)

37 Screw BPZ20P100FZK 38 Button CAC5887 39 Cord CDE5834 40 Transistor(Q801) 2SD2396

41 Cover CNS5223 42 LCD(LCD901) CAW1514 43 Holder CNC8062 44 Lighting Conductor CNV5594 45 Rubber CNV5599

46 Grille Unit CXB3826 47 Remote Control Assy CXB3261 48 Cover CNS4948 49 Lower Case Unit CXB3395 50 Grille Unit CXB4379

51 Screw BPZ20P080FMC 52 Sheet CAH1682 53 Door CAT2013 54 Door CAT2014 55 Holder CNC8139

56 Grille CNS5439 57 Lever CNS5391 58 CD Mechanism Module CXK4815 59 Screw IMS20P035FZK 60 Screw IMS26P040FMC

61 Angle Assy CXB3591 62 Screw HMF40P080FZK 63 IC(IC902) TSOP1840SB1 64 Seal CNM5599 65 Cushion

See Contrast table(2)

66 Panel See Contrast table(2) 67 Bracket See Contrast table(2) 68 Screw See Contrast table(2) 69 Bracket See Contrast table(2) 70 Bracket See Contrast table(2)

71 Screw See Contrast table(2) 72 Screw See Contrast table(2) 73 Screw See Contrast table(2) 74 Washer See Contrast table(2)

* 75 Caution Card CRP1195

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

CDX-FM657

Part No.

Mark No. Symbol and Description CDX-FM657/X1N/UC CDX-FM657/X1N/EW CDX-FM657/X1N/ES

9 Cord CDE5812 CDE5813 CDE5812 27 Extension Unit CWX2305 CWX2311 CWX2305 36 Display Assy CXB3248 CXB3247 CXB3248 65 Cushion CNM3182 Not used CNM3182 66 Panel CNS5428 Not used CNS5428

67 Bracket CNC8061 Not used CNC8061 68 Screw IMS30P050FZK Not used IMS30P050FZK 69 Bracket Not used CNC5114 Not used 70 Bracket Not used CNC5115 Not used 71 Screw Not used BMZ40P060FZK Not used

72 Screw Not used BNC40P120FZK Not used 73 Screw Not used BPZ30P050FZK Not used 74 Washer Not used WG40FZK Not used

(2) CONTRAST TABLE CDX-FM657/X1N/UC,CDX-FM657/X1N/EW and CDX-FM657/X1N/ES are constructed the same except for the following:

CDX-FM657

2.3 CD MECHANISM MODULE

CDX-FM657

1 Connector CDE6069 2 CD Core Unit (C7) CWX2273 3 Connector(CN701) CKS1963 4 Connector(CN101) CKS2272 5 Screw BMZ20P025FMC

6 Screw CBA1037 7 Screw CBA1041 8 Screw CBA1176 9 Screw CBA1362

10 Screw CBA1387

11 Screw CBA1470 12 Screw CBA1476 13 Screw CBA1486 14 Washer CBF1038 15 Spring CBH2172

16 Spring CBH2173 17 Spring CBH2174 18 Spring CBH2175 19 Spring CBH2285 20 Spring CBH2177

21 Spring CBH2178 22 Spring CBL1390 23 Spring CBL1392 24 Short Pin CBL1239 25 Volume(VR801) CCW1023

26 ••••• 27 Shaft CLA3304 28 Arm CNC7901 29 Lever CNC7902 30 Lever CNC7904

31 Lever CNC7905 32 Lever CNC7906 33 Arm CNC7908 34 Arm CNC7909 35 Holder CNC7911

36 Holder CNC7912 37 Frame CNC7917 38 Frame CNC7918 39 Lever CNC7919 40 Stopper CNC7920

41 Frame CNC7921 42 Bracket CNC8354 43 Plate CNC8375 44 Cover CNC8434 45 Sheet CNM6009

46 Spacer CNM6146 47 Sheet CNM6296 48 PCB CNP5227 49 PCB CNP5228 50 Ball CNR1189

51 Gear CNR1531 52 Belt CNT1086 53 Gear CNV5472 54 Gear CNV5473 55 Rail CNV5474

56 Lever CNV5475 57 Gear CNV5477 58 Arm CNV5478 59 Holder CNV5480 60 Guide CNV5481

61 Guide CNV5482 62 Holder CNV5483 63 Holder CNV5484 64 Clamper CNV5485 65 Gear CNV5486

66 Gear CNV5562 67 Holder CNV5563 68 Lighting Conductor CNV5785 69 Mechanism PCB CWX2303 70 Connector(CN801) CKS1965

71 Connector(CN802) CKS3486 72 Damper Unit CXA7714 73 Chassis Unit CXB2850 74 ••••• 75 Chassis Unit CXB2851

76 Magazine Holder Unit CXB2853 77 Frame Unit CXB4426 78 Arm Unit CXB2855 79 Screw Unit CXB2857 80 •••••

Motor Unit(M851)(SPINDLE) CXB3003

Motor Unit(M854)(CARRIAGE) CXB3004

83 Screw JFZ20P025FMC 84 Motor Unit(M853)(TRAY) CXB4421 85 Screw JFZ20P025FMC

86 Motor Unit(M852)(ELV) CXB3006 87 Screw JFZ20P025FMC 88 Lever Unit CXB3938 89 ••••• 90 Gear Unit CXB4338

Mark No. Description Part No. Mark No. Description Part No.

- CD MECHANISM MODULE SECTION PARTS LIST

CDX-FM657

91 Screw JGZ17P025FZK 92 Pickup Unit(Service) CXX1285 93 ••••• 94 ••••• 95 Screw IMS26P040FMC

96 Screw JFZ20P025FNI 97 Photo-transistor(Q851) PT4800 98

Spring Switch(S851,S853) CSN1051

99 LED(D851) CN504-2

100 Spring Switch(S852) CSN1052

Mark No. Description Part No.

CDX-FM657

2.4 MAGAZINE ASSY

1 Magazine Assy CXB4027 2 Label CRW1396 3 Tray CNV5341

- MAGAZINE ASSY SECTION PARTS LIST

Mark No. Description Part No.

CDX-FM657

1234

3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL

PARTS LIST”.

1/2

M853

CXB3005

M852

CXB3006

M851

CXB3003

M854

CXB3004

PICKUP UNIT(SERVICE)

CXX1285

CSN1051

CSN1052

CN504-2

PT4800

10k

1k(B)

MECHANISM PCB

SWITCH PCB

MOTOR PCB

MOTOR DR

4CH SERVO DRIVER

RF-AMP,S DSP,DAC

CN801

CN802

CDX-FM657

1/2

CD CORE UNIT

2/2

19 20

CDX-FM657

1234

1/2

SYSTEM CONTROLLER

LOUT

AAGND

ROUT GND

2/2

CDX-FM657

GGC1257 (SRM2B256SLTMX70)

CN201

SRAM

IP-BUS DRIVER

2/2

CDX-FM657

1 RFI 0.5V/div. 0.5µs/div.

Normal mode: play

1 CH1: RFI 1V/div. 2 CH2: MIRR 5V/div.

Test mode: Tracking open

0.5ms/div.

1 CH1: RFI 1V/div. 2 CH2: MIRR 5V/div.

Normal mode: The defect part

passes 800µm

0.5ms/div.

3 CH1: FD 0.5V/div. 4 CH2: FOR 2V/div.

Test mode: No disc, Focus close

0.2s/div.

3 CH1: FD 0.5V/div. 5 CH2: FOK 2V/div.

Normal mode: Focus close

0.2s/div.

6 CH1: FE 0.5V/div. 7 CH2: XSI 2V/div.

Normal mode: Focus close

1ms/div.

REFO

→

8 CH1: TE 0.5V/div. 9 CH2: TD 0.5V/div.

Test mode: 32 tracks jump (REV)

0.5ms/div.

8 CH1: TE 0.5V/div. 9 CH2: TD 0.5V/div.

Test mode: Single jump (REV)

0.5ms/div.

8 CH1: TE 0.5V/div. 9 CH2: TD 0.5V/div.

Test mode: 100 tracks jump (REV)

5ms/div.

6 CH1: FE 0.1V/div. 3 CH2: FD 0.2V/div.

Normal mode: Play

20ms/div.

3 CH1: FD 0.5V/div. 0 CH2: MD 1V/div.

Normal mode: Focus close (12cm)

0.5s/div.

3 CH1: FD 0.5V/div. 0 CH2: MD 1V/div.

Normal mode: Focus close (8cm)

0.5s/div.

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

GND

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

- Waveforms

Note:1. The encircled numbers denote measuring pointes in the circuit diagram.

2. Reference voltage REFO:2.5V

REFO

→

REFO

→

REFO

→

REFO

→

CDX-FM657

8 CH1: TE 0.2V/div. 9 CH2: TD 0.2V/div.

Normal mode: play

8 CH1: TE 0.5V/div. ! CH2: SD 0.5V/div.

TEST mode:100Tracks jump(FWD)

5ms/div.

0 MD 0.5V/div. 0.1s/div.

Normal mode: Play (12cm)

0 MD 1V/div. 10ms/div.

Long Search (12cm)

@ EFM 1V/div. 5µs/div.

Normal mode: Play

8 CH1: TE 1V/div. # CH2: TEC 1V/div.

Test mode: Focus close

Tracking open

2ms/div.

8 CH1: TE 0.5V/div. 6 CH2: FE 0.5V/div.

Normal mode:

AGC after focus close

0.2s/div.

20ms/div.

% SCKO 2V/div. 1µs/div.

Normal mode: Play

^ DOUT 2V/div. 10µs/div.

Normal mode: Play

& LRCK 2V/div. 20µs/div.

Normal mode: Play

* VD 5V/div. 50ms/div.

Normal mode: No disc

GND

→

REFO

→

REFO

→

GND

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

GND

→

REFO

→

GND

→

REFO

→

GND

→

REFO

→

CDX-FM657

( CH1: R OUT 2V/div. ) CH2: L OUT 2V/div.

Normal mode: Play (1kHz 0dB)

6 CH1: FE 0.2V/div. 3 CH2: FD 0.5V/div.

Normal mode: During AGC

1ms/div.

8 CH1: TE 0.2V/div. 9 CH2: TD 0.5V/div.

Normal mode: During AGC

1 CH1: RFI 1V/div. ⁄ CH2: HOLD 5V/div.

Normal mode: The defect part passes

800µm(B.D)

500µs/div.

1ms/div.

0.5ms/div.

3 CH1: FD 1V/div. ⁄ CH2: HOLD 5V/div.

Normal mode: The defect part passes

800µm(B.D)

0.5ms/div.

9 CH1: TD 0.1V/div. ⁄ CH2: HOLD 5V/div.

Normal mode: The defect part passes

800µm(B.D)

0.5ms/div.

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

REFO

→

+ 44 hidden pages