Sony CDX-GT200 / CDX-GT200E / CDX-GT200S / CDX-GT20W / CDX-GT250S Service Manual ▷ View online
1
US Model
Canadian Model
CDX-GT20W/GT200
AEP Model
UK Model
CDX-GT200/GT200E/GT200S
E Model
Chinese Model
CDX-GT250S
SERVICE MANUAL
Ver. 1.2 2006. 03
SUPPLEMENT-1
File this supplement with the service manual.
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.
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.
DISCRIMINATION
CDX-GT20W/GT200/GT200E/
GT200S/GT250S
9-879-862-81
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
LASER PRODUCT
CLASS 1
LASER PRODUCT
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
LASER PRODUCT
CLASS 1
LASER PRODUCT
LASER PRODUCT
MODEL NO.CDX-GT250S
SONY
MADE IN THAILAND
MODEL NO.CDX-
GT250S
SONY
2
CDX-GT20W/GT200/GT200E/GT200S/GT250S
TABLE OF CONTENTS
1. DIAGRAMS
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
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. EXPLODED VIEWS
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
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
3. ELECTRICAL PARTS LIST
........................................ 22
3
CDX-GT20W/GT200/GT200E/GT200S/GT250S
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
For printed wiring boards.
Note:
• 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
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.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
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 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)
(Side A)
parts face are indicated.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
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
SECTION 1
DIAGRAMS
4
CDX-GT20W/GT200/GT200E/GT200S/GT250S
• WAVEFORMS
— SERVO BOARD — (CD PLAY)
— MAIN BOARD —
1
IC2
5
(FEI)
Approx.
1Vp-p
1Vp-p
0 V
0.6 Vp-p
16.9344 MHz
Approx. 100 mVp-p
50 mV/DIV, 5 msec/DIV
0.5 V/DIV, 0.5
µ
sec/DIV
2
IC2
6
(TEI)
200 mV/DIV, 5 msec/DIV
6
IC2
oh
(FPI2),
0.5 V/DIV, 0.5
µ
sec/DIV
Approx. 400 mVp-p
3
IC2
wd
(XI)
0.2 V/DIV, 0.2
µ
sec/DIV
7
IC3
ia
(X1)
0.5 V/DIV, 0.2
µ
sec/DIV
1.1 Vp-p
12 MHz
4
IC2
ia
(RFI)
0.5 V/DIV, 0.5
µ
sec/DIV
5
IC2
of
(FNI2),
og
(FNI1)
1.5 Vp-p
oj
(FPI1)
1.5 Vp-p
0 V
1 Vp-p
8.664 MHz
1
IC51
9
(XTI)
0.7 Vp-p
32.768 kHz
2
IC501
i;
(XIN)
0.8 Vp-p
18.432 MHz
3
IC501
is
(OSC IN)
0.2 V/DIV, 0.1
µ
sec/DIV
0.5 V/DIV, 0.1
µ
sec/DIV
0.5 V/DIV, 0.1
µ
sec/DIV