CDX-GT200, CDX-GT200E, CDX-GT200S, CDX-GT20W, CDX-GT250S - Sony Car Audio Service Manual (repair manual)

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US Model

Canadian Model

CDX-GT20W/GT200

AEP Model

UK Model

CDX-GT200/GT200E/GT200S

E Model

Chinese Model

CDX-GT250S

Subject : Production country change.

The CDX-GT200 (AEP, UK), CDX-GT200S (AEP, UK) and CDX-GT250S (E) models has been changed in the production country to
Thailand from Chinese.
This service manual, SUPPLEMENT-1 only contains the change.
When servicing and inspecting, check the Model Number Label to see if the model is made in Thailand or Chinese.

MADE IN CHINA

CDX-GT200/GT200S ( China production model )

 CDX-GT200/GT200S ( Thailand production model  )

CDX-GT250S ( China production model  )

CDX-GT250S( Thailand production model )

CDX-GT200(AEP,UK):2-645-598-0

CDX-GT200S(AEP,UK):2-654-026-0

CDX-GT200(AEP,UK):2-662-016-0

CDX-GT250S(E):2-668-452-0

CDX-GT250S(E):2-645-595-0

CDX-GT200S(AEP,UK):2-662-015-0

CLASS 1
LASER PRODUCT

CLASS 1
LASER PRODUCT

MODEL NO.

SONY

MADE IN THAILAND

MODEL NO.

CDX-GT200

CDX-GT200S

CDX-GT200

CDX-GT200S

SONY

2-654-609-0

CLASS 1
LASER PRODUCT

CLASS 1
LASER PRODUCT

MODEL NO.CDX-GT250S

SONY

MADE IN THAILAND

MODEL NO.CDX-

GT250S 

SONY

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1-1.   Printed Wiring Boards –CD Mechanism Section– .............. 5
1-2.   Schematic Diagram –CD Mechanism Section (1/2)– ......... 6
1-3.   Schematic Diagram –CD Mechanism Section (2/2)– ......... 7
1-4.   Printed Wiring Board –Main Section– ................................ 8
1-5.   Schematic Diagram –Main Section (1/3)– .......................... 9
1-6.   Schematic Diagram –Main Section (2/3)– ........................ 10
1-7.   Schematic Diagram –Main Section (3/3)– ........................ 11
1-8.   Printed Wiring Boards –Key Section– .............................. 12
1-9.   Schematic Diagram –Key Section– ................................... 13

2-1.   Main Section ..................................................................... 16
2-2.   Front Panel Section ........................................................... 17
2-3.   CD Mechanism Section (1) (MG-611WA-186//Q) ........... 18
2-4.   CD Mechanism Section (2) (MG-611WA-186//Q) ........... 19
2-5.   CD Mechanism Section (3) (MG-611WA-186//Q) ........... 20
2-6.   CD Mechanism Section (4) (MG-611WA-186//Q) ........... 21

........................................ 22

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Note:
• All capacitors are in µF unless otherwise noted. (p: pF)

50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in 

Ω

 and 

1

/

4

 

W or less unless otherwise

specified.

•

f

: internal component.

•

C

: panel designation.

• X

: parts extracted from the component side.

• Y

: parts extracted from the conductor side.

•

a

: Through hole.

•

: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

•

A

: B+ Line.

•

B

: B– Line.

•

H

: adjustment for repair.

• Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

• CD mechanism (1/2) and (2/2) sections
   no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Key sections
   no mark : FM

(

) : AM/MW/LW

<

> : CD PLAY

∗

: Impossible to measure

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

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

F

: FM

f

: AM/MW/LW

L

: AUX

Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)

pattern face are indicated.

Parts face side: Parts on the parts face side seen from the
(Side A)

parts face are indicated.

Note:
The components identi-
fied by mark 

0

 or dotted

line with mark 

0

 are criti-

cal for safety.
Replace only with part
number specified.

Note:
Les composants identifiés par
une marque 

0

 sont critiques

pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.

Q

C

These are omitted

E

B

E

These are omitted

C

B

C

These are omitted

B

E

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