Sony CDX-616 Operating manual

SERVICE MANUAL

CDX-616

SUPPLEMENT-2

File this supplement with the service manual.

AEP Model

UK Model

Subject: Mechanism Deck Modification (MG-250D-137)

(ECN-CSA00840)

The mechanism deck was changed from MG-250C-137 to MG-250D-137.

At the same time, MAIN and JACK boards were been changed.

This supplement contains only a new type mechanism deck and boards.

TABLE OF CONTENTS

1. NEW/FORMER DISCRIMINATION.................... 2

2. DISASSEMBLY ......................................................... 3

3. DIAGRAMS

3-1. Note for Printed Wiring Boards

and Schematic Diagrams ................................................ 5

3-2. Printed Wiring Boards – RF/SW Boards –.................... 6

3-3. Schematic Diagram – RF/SW Boards – ........................ 7

3-4. Printed Wiring Boards

–MAIN Board (Component Side) – ............................... 8

3-5. Printed Wiring Board

–MAIN Board (Conductor Side) – ................................. 9

3-6. Schematic Diagram – MAIN Board (1/2) – .................. 10

3-7. Schematic Diagram – MAIN Board (2/2) – .................. 11

3-8. Printed Wiring Boards – JACK Board –........................ 12

3-9. Schematic Diagram – JACK Board – ............................ 12

4. EXPLODED VIEWS................................................ 13

5. ELECTRICAL PARTS LIST ............................... 18

1. NEW/FORMER DISCRIMINATION

7Y187A

C: MG-250C-137 (Former type)

D: MG-250D-137 (New type)

Note: Follow the disassembly procedure in the numerical order given.

2. DISASSEMBLY

MECHANISM DECK (MG-250D-137)

tension spring (FL)

two dampers (250)

jack flexible board

(CNJ901)

mechanism deck (MG-250D-137)

firament tape

MAIN BOARD

main flexible board

(CNJ12)

three screws (FP)

main board

Break the soldering

of motor (M104) lead.

screw

(PTT2

heat sink

two precision screws

(P1.7

2.5)

RF BOARD

two screws

(PTT2

connector

(CNP53)

RF board

two screws

(PS2

OP flexible board

(CNJ11)

Break the soldering

of motor (M102) lead.

Break the soldering of lead.

CHUCKING MOTOR ASS’Y (M103)

Break the soldering

of motor (M103) lead.

two screws (PTT2

chucking motor ass’y

(M103)

retainer (CHM)

3. DIAGRAMS

3-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

Note on Printed Wiring Board:

•X: parts extracted from the component side.

•Y: parts extracted from the conductor side.

•z: Through hole.

•b: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

Caution:

Pattern face side: Parts on the pattern face sideseenfrom

(Conductor Side) the pattern face are indicated.

Parts face side: Parts on the parts face side seen from

(Component Side) the parts face are indicated.

Note on Schematic Diagram:

• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

• All resistors are in Ωand 1/4W or less unless otherwise

specified.

•f: internal component.

•C: panel designation.

•U: B+ Line.

•H: adjustment for repair.

• Powervoltageisdc14.4Vandfedwithregulateddcpower

supply from CD changer controller.

• Voltages and waveforms are dc with respect to ground

under no-signal conditions.

no mark : CD PLAY

∗: Impossible to measure

• 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.

J: CD PLAY

Note: The components identified by mark 0or dotted line

with mark 0are critical for safety.

Replace only with part number specified.

CDX-616

3-2. PRINTED WIRING BOARDS – RF/SW Boards –

• Semiconductor

Location

Ref. No. Location

IC11 D-7

IC51 B-9

IC52 H-4

Q11 E-8

C52

C60

C59

R62

R63

C55

R57

R58

R65

R56

C54

R61

C21

R30

R64

C31

C38

C34

R40

C26

C39

C12

C19

C18

C10

CNP53

C56

C58

C57

IC52

1-676-014-

(11)

RF BOARD (COMPONENT SIDE)

R51

R53

C51

R52

R54

R31

R60

R32

RV14

C22

C24

R39

C28

R37

C25

R34

C29

R41

C35

R47

R42

R43

R45

C37

R46

C36

R44

IC11

C43

C17

C16

C14

R25

R18

R26

C15 R17

R59

C53

R50

C42

C41

R55

R49

R27

C32

C30

C27

C33

R38

R36

R35

R48

R14

R11

R22

R16

C40

R28

C23

R33

R12

R13

BCE

C13

CNJ11

Q11

1-676-014-

(11)

RF BOARD (CONDUCTOR SIDE)

IC51

CNJ12

SW1

(LIMIT)

SW BOARD

1-664-104- 11

(11)

M101

(SPINDLE)

MAIN

BOARD

OPTICAL PICK-UP

BLOCK

(KSS-521A)

OP FLEXIBLE BOARD

1-664-626- 11

SW11

CHUCKING END

DETECT

SW12

SAVE END

DETECT

1234567891011

BLU

YEL

BLU

3927

28 22 21 15

MAIN FLEXIBLE BOARD

1-679-339- 11

BP12 (FE)

(VC)

(FE0)

BP11 (TE)

TP (TE1)

(RF)

TP (GND)

(Page 8)

CDX-616

3-3. SCHEMATIC DIAGRAM – RF/SW Boards –

Note: The components identified by mark 0or dotted line

with mark 0are critical for safety.

Replace only with part number specified.

(Page 10)

CDX-616

R307

R308

R306

C311

C321

D315

D316

D317

D318

Q306 Q303

C315

R320

R321

Q308

R301

C305

D304

D303

D302

D301 D305

C304

C303

D311

D314

C301

C302

IC302

IC301

C320

R316 R312

R309

BCE

Q302

R302

BCE

Q301

C306

R303

D307

D308 IC304

R311

C308

C307

R304

R212

R211

113

R622

R630

R612

ECB

Q602

ECB

Q601

C621

R621

R620

C642

ECB

Q620

Q610

BCE

C611

R611

R610

C608

C603

C606

D601

D602

R318

C602R601

FB601

R602

12 13

IC601

C106

R110

R115

R117

R116

R108

R109

C107

R107

C105

R106

C104

C109

C103

R105

R104

R102

C102

R103

R101

C101

C112

C108

C206

R111C113C114

100

C115

R314

8065

R206

R205

R204

R203

R202

Q201

C501 C503

IC503

C504

R504

C502

R502

R501

X501

21 40

IC502 IC501

R207

C202

R213

R219

R505

D306

D501

C201

C205

C203

R220

D320

MAIN BOARD

(COMPONENT SIDE)

M104

(ELEVATOR)

JACK

BOARD

CNJ901

1-674-306-

(12)

1 2 3 4 5 6 7 8 9 10 11

C1/B2 C2

BLU

RED

AKK

IC101

C1/B2

IC201

BP201

(SINGLE)

RF BOARD

CNJ12

MAIN FLEXIBLE BOARD

1-679-339-

JACK FLEXIBLE BOARD

1-676-340-

3-4. PRINTED WIRING BOARDS – MAIN Board (Component Side) –

(Page 6)

• Semiconductor

Location

Ref. No. Location

D301 F-3

D302 F-3

D303 F-3

D304 F-3

D305 F-3

D306 F-7

D307 H-4

D308 H-4

D311 G-4

D314 G-4

D315 E-2

D316 D-2

D317 D-2

D318 D-2

D320 F-2

D501 G-7

D601 C-5

D602 C-5

IC101 C-8

IC202 E-9

IC301 H-4

IC302 F-4

IC304 H-5

IC501 H-7

IC502 H-6

IC503 H-7

IC601 B-5

Q201 F-9

Q301 I-5

Q302 I-4

Q303 E-2

Q306 E-1

Q308 F-2

Q601 E-4

Q602 E-4

Q610 D-4

Q620 D-4

(Page 12)

CDX-616

(CHASSIS)

RV202

ELEVATOR

HEIGHT SENSOR

RV201

DOWN

X201

X601

SW202

MAGAZINE

IN/OUT

DETECT

C601

C609

C604

C610

C630

C620

C318

C317

C310

C314

C316

C309

Q309

Q307

SW301

MAIN BOARD

(CONDUCTOR SIDE)

1-674-306-

(12)

1 2 3 4 5 6 7 8 9 10 11

(CHASSIS)

SW201

MAGAZINE

DETECT

3-5. PRINTED WIRING BOARD – MAIN Board (Conductor Side) –

• Semiconductor

Location

Ref. No. Location

Q307 E-11

Q309 G-11

1010

CDX-616

3-6. SCHEMATIC DIAGRAM – MAIN Board (1/2) –

(Page 7)

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