DOWNLOAD Sony CDX-600 / CDX-606 / CDX-626 Service Manual ↓ Size: 2.01 MB | Pages: 36 in PDF or view online for FREE

– 33 –

1

2

3

4

5

6

7

8

9

10

14

13

12

11

VCC

BUS ON

LINK OFF

CLK OUT

DATA OUT

DATA IN

BUS RESET

BUS DATA

VREF

BUS CLK

GND

BUS ON IN

BUS ON OUT

RESET

RESET

SWITCH

1

2

3

4

OUT1

VM

VCC

FIN

8

7

6

5

GND

OUT2

VREF

RIN

CONTROL LOGIC

TSD

POWER

SAVE

DRIVER

DRIVER

DIGITAL FILTER CIRCUIT

ATTENUATOR OPERATIONAL CIRCUIT

DEEMPHASIS FILTER CIRCUIT

D-

∆

 MODULATION CIRCUIT

INTERFACE

CIRCUIT

TEST

CIRCUIT

OUTPUT
CIRCUIT

ANALOG

FILTER

TIMING

GENERATOR

OSC

MICROCOMPUTER

INTERFACE

CIRCUIT

OUTPUT
CIRCUIT

ANALOG

FILTER

1

2

3 4

5

6

7

8

9

10

20

19

18

17

16

15

14 13

12

11

21

22

23

24

LRCK

BCK

DATA

HS

(SM)

ATT

(EMP)

SH

(BS)

LA

VDX

XO

XI

GNDX

MCK

VDD

T1

P/S

VDA

RO

GNDA

VR

GNDA

LO

GNDD

ZD

VDA

– 34 –

•

Pin No.

Pin Name

I/O

Function

1

LIM.SW

I

Sled limit in detect switch (SW1) input terminal
“L”: When the optical pick-up is inner position

2

BUSON

I

Bus on/off control signal input from the SONY bus interface (IC204)    “H”: bus on

3

EJECT

I

Eject switch (SW303) input terminal    “H” active

4

LOAD1

I

Save end detect switch (SW12) input terminal
“L”: When completion of the disc chucking operation

5

LOAD2

I

Chucking end detect switch (SW11) input terminal
“L”: When completion of the disc chucking operation

6

A.MUTE

O

Audio line muting on/off control signal output terminal    “H”: muting on

7

EMPH

O

Emphasis mode output to the D/A converter (IC401)    “L”: emphasis on

8

CH.R

O

Motor drive signal (save direction) output to the chucking motor drive (IC52)
“H” active    *1

9

CH.F

O

Motor drive signal (load chucking direction) output to the chucking motor drive (IC52)
“H” active    *1

10

—

O

Not used (open)

11

ELV.R

O

Motor drive signal (elevator down direction) output to the elevator motor drive (IC301)
“L” active    *2

12

ELV.ON

O

Mechanism deck section power supply on/off control signal output    “H”: power on

13

CD RST

O

System reset signal output to the CXA1992BR (IC11) and CXD2530Q (IC101)    “L”: reset

14

CDON

O

D/A converter and servo section power supply on/off control signal output    “H”: power on

15 to 23

—

O

Not used (open)

24

AUTO ON/OFF

I

Setting terminal for the automatic adjustment
“L”: automatic adjustment, “H”: manual adjustment (fixed at “L” in this set)

25 to 29

—

O

Not used (open)

30

RESET

I

System reset signal input from the reset signal generator (IC202) and SONY bus interface (IC204) 
“L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

31

EXTAL

I

Main system clock input terminal (8 MHz)

32

XTAL

O

Main system clock output terminal (8 MHz)

33

VSS

—

Ground terminal

34

TX

O

Sub system clock output terminal    Not used (open)

35

TEX

I

Sub system clock input terminal    Not used (fixed at “L”)

36

AVSS

—

Ground terminal (for A/D converter)

37

AVREF

I

Reference voltage (+5V) input terminal (for A/D converter)

38

ATRIBT

I

Selection input of the custom file, D-BASS, etc.

39

MCK

I

Input of signal for the fine adjustment (linear position sensor adjustment; RV301) of elevator 
position (A/D input)

40

EHS

I

Elevator height position detect input from the RV302 (elevator height sensor) (A/D input)

41 to 47

—

O

Not used (open)

48

SCK

I

Serial data transfer clock signal input from the SONY bus interface (IC204)

49

SI

I

Serial data input from the SONY bus interface (IC204)

50

SO

O

Serial data output to the SONY bus interface (IC204)

51

SQCLK

O

Subcode Q data reading clock signal output to the CXD2530Q (IC101)

52

SUBQ

I

Subcode Q data input from the CXD2530Q (IC101)

53

—

O

Not used (open)

54

—

I

Not used (fixed at “H”)

55

MGLK

I

Magazine eject operation completion detect switch (SW301) input terminal
“L”: eject completed

– 35 –

Pin No.

Pin Name

I/O

Function

56

SCOR

I

Subcode sync (S0+S1) detection signal input from the CXD2530Q (IC101)

57

SENS2

I

Internal status signal (sense signal) input from the CXA1992BR (IC11)

58

PWM

O

Motor drive signal (elevator up direction) output to the elevator motor drive (IC301)
“L” active    *2

59

—

O

Not used (open)

60

MAG.SW

I

Magazine in/out detect switch (SW302) input terminal    “L”: magazine detected

61

BUCHECK

I

Battery detection signal input terminal    “H”: battery on

62

W.UP

I

Bus on or eject switch (SW303) input terminal    “H”: bus on or eject switch pushing

63

C.OUT

I

Track number count signal input from the CXA1992BR (IC11)

64

EEDATA

I/O

Two-way data bus with the EEPROM    Not used (open)

65

EECLK

O

Serial clock signal output to the EEPROM    Not used (open)

66

EEINIT

I

Initialize signal input for the EEPROM    “H”: format    Fixed at “L” in this set

67

—

O

Not used (open)

68

SINGLE

I

Setting terminal for the single disc/multiple discs mode
“L”: single mode, “H”: multiple discs mode (fixed at “H”)

69

FOK

I

Focus OK signal input from the CXA1992BR (IC11)    “L”: NG, “H”: OK

70

GFS

I

Guard frame sync signal input from the CXD2530Q (IC101)    “L”: NG, “H”: OK

71

SENS1

I

Internal status signal (sense signal) input from the CXD2530Q (IC101)

72

VDD

—

Power supply terminal (+5V)

73

NC (VDD)

—

Connected to the power supply (+5V)

74

CDCLK

O

Serial data transfer clock signal output to the CXD2530Q (IC101)

75

CDXLT

O

Serial data latch pulse signal output to the CXD2530Q (IC101)

76

CDDATA

O

Serial data output to the CXD2530Q (IC101)

77 to 80

—

O

Not used (open)

*1  chucking motor (M103) control

STOP

LOAD

CHUCKING

SAVE

BRAKE

CH.F (pin 9)

“L”

“H”

“L”

“H”

CH.R (pin 8)

“L”

“L”

“H”

“H”

Mode

Terminal

*2  elevator motor (M104) control

STOP

ELEVATOR

UP

ELEVATOR

DOWN

BRAKE

PWM (pin %•)

“H”

“L”

“H”

“L”

ELV.R (pin !¡)

“H”

“H”

“L”

“L”

Mode

Terminal

– 36 –

Les composants identifiés par une
marque 

! sont critiquens pour la

sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.

The components identified by
mark 

! or dotted line with mark

! are critical for safety.

Replace only with part number
specified.

• Items marked “*” are not stocked since they

are seldom required for routine service. Some
delay should be anticipated when ordering
these items.

• The mechanical parts with no reference num-

ber in the exploded views are not supplied.

• Hardware (# mark) list and accessories and

packing materials are given in the last of the
electrical parts list.

NOTE:

• -XX and -X mean standardized parts, so they

may have some difference from the original
one.

• Color Indication of Appearance Parts

Example:
KNOB, BALANCE (WHITE) . . . (RED)

↑

↑

Parts Color Cabinet's Color

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

3-010-104-01 DAMPER (250)

* 2

3-010-097-01 COVER (LOWER) (CDX-606/626)

* 2

3-010-097-21 COVER (LOWER T) (CDX-600)

3

1-664-628-11 JACK FLEXIBLE BOARD

* 4

1-672-620-11 JACK BOARD

5

X-3376-770-1 DOOR ASSY (CDX-606)

5

X-3376-771-1 DOOR (600T) ASSY (CDX-600)

5

X-3376-773-1 DOOR (626T) ASSY (CDX-626)

6

3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT

7

3-022-002-62 PANEL (T), FRONT (CDX-600)

7

3-022-002-72 PANEL (T), FRONT (CDX-626)

7

3-030-560-01 PANEL, FRONT (CDX-606)

8

3-012-388-01 SCREW (M2X3)

* 9

3-010-105-01 ESCUTCHEON (CDX-606)

* 9

3-022-006-01 ESCUTCHEON (T) (CDX-600/626)

* 10

3-010-106-01 BUTTON (EJ) (

6) (CDX-606)

* 10

3-022-007-01 BUTTON (EJT) (

6) (CDX-600/626)

* 11

3-022-012-01 HEAT SINK (T)

12

3-010-103-01 SPRING (FL), TENSION

13

3-010-101-01 LEVER (FL) (CDX-606/626)

13

3-010-101-11 LEVER (FLT) (CDX-600)

* 14

3-010-096-01 COVER (UPPER) (CDX-606/626)

* 14

3-010-096-21 COVER (UPPER T) (CDX-600)

* 15

A-3317-606-A MAIN BOARD, COMPLETE

* 16

3-022-694-01 HOLDER (TR3)

17

3-935-636-11 SCREW (FP)

18

X-3373-215-1 ARM (FL) ASSY (CDX-606)

18

X-3375-357-1 ARM (FLT) ASSY (CDX-600/626)

* 19

3-013-658-01 SHEET (FJT), PROTECTION

20

X-3373-986-1 ARM (FR) ASSY (CDX-606)

20

X-3375-360-1 ARM (FRT) ASSY (CDX-600/626)

* 21

3-024-065-01 CUSHION (EJECT) (CDX-600/626)

21

3-350-124-01 CUSHION (EJECT) (CDX-606)

22

3-024-067-01 CUSHION (T), BATTERY (CDX-600/626)

22

3-911-215-02 SHEET (LEAD RETAINER) (CDX-606)

23

3-028-802-01 SPACER (MOUNT 30)

IC201

8-759-054-12 IC   PQ09RA1

IC203

8-759-324-40 IC   KIA7805PI

#2

#2

#2

#3

#2

#2

#1

not supplied

MG-250C-137

IC203

IC201

main flexible board