DOWNLOAD Sony CDX-GT250M (serv.man2) Service Manual ↓ Size: 1.11 MB | Pages: 6 in PDF or view online for FREE

Model
CDX-GT250M (serv.man2)
Pages
6
Size
1.11 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio / SUPPLEMENT-1 LEVEL 2
File
cdx-gt250m-sm2.pdf
Date

Sony CDX-GT250M (serv.man2) Service Manual ▷ View online

SERVICE MANUAL
E Model
CDX-GT250M
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Change of key board.
Ver. 1.1  2006. 08
When performing service and inspection, check the suffix of the part number
of the key board.
9-887-070-81
DISCRIMINATION
IC901
– KEY BOARD (SIDE B) –
KEY Board Part No.
Former type: 1-868-898-11
New type    : 1-868-898-12
2
CDX-GT250M
• 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.)
For schematic diagrams.
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 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
C
: panel designation.
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
   no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
L
: AUX
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.)
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.
Q
C
These are omitted
E
B
3
3
CDX-GT250M
CDX-GT250M
• PRINTED WIRING BOARD — KEY SECTION —  
 : Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
BLK
R
G
L
BRN
BLU
BLK
BRN
BLU
1-868-898- (12)
12
1-868-121- (12)
12
1-868-121- (12)
12
1-868-898-
(12)
12
PUSH SELECT
(VOLUME)
RE901
+
LED906
LED904
AUX
J901
SOURCE
MODE
3/REP
4/SHUF
6/PAUSE
1
2
5
MODE
SENS
1
2
3
4
5
6
LSW901
DSPL/DIM
LSW920
LED932
(LCD BACK LIGHT)
GP/ALBM
+
S906
LED951
(DISC INDICATOR)
GP/ALBM
S904
SEEK–
. m
LSW910
SEEK+
M >
LSW909
EQ3
LED908,S908
BTM
BTM
SENS
SCRL
LIQUID CRYSTAL DISPLAY PANEL
52
1
LSW902
OFF
LED941-944
(RE LIGHT)
LSW903
S912
S913
S914
S915
S916
LED912
S911
LED911
LED913
LED914
LED915
LED916
S917
S918
S919
LED917
LED918
LED919
4
3
1
2
IC971
LED907,S907
FB901
FB902
FB903
LCD901
LED943
LSW902
S906
LED906
R902
S904
LED904
LED941
LSW910
R961
R953
LED942
LSW903
LED952
R963
R964
LED944
LED911
S911
LSW909
LED908
LED932
S912
S908
R910
LED912
S913
LED913
S914
LED951
LED914
LED915
S915
S916
S917
LED917
S918
LED918
R918
R975
FB904
S919
LED919
LSW920
R972
IC971
LSW901
R942
LED907
S907
LED916
R962
R905
R904
R960
R956
R959
R903
R954
C921 C922
1
3
2
5
4
R958
R955
R941
R901
R907
Q931
R906
Q932
R908
R909
R957
R951
R950
R911
R934
R996 R997
R998
R948
R912
R949
R913
R914
FMB4
IC901
R947
R946
R915
R916
R917
R978
R985
R986
C983
C986
C984
FMB3
R991
D903
R981
R987
D981
C981
R984
R982
D982
R899
R977
D901
R974
R976
CN901
R933
R931
R945
R944
R932
C971
R923
R924
R921
R922
R988
R979
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
RE901
B
MAIN BOARD
CN701
Ref. No.
Location
• Semiconductor
Location
D901
I-10
D903
H-10
D981
I-10
D982
I-10
IC901
I-8
IC971
C-12
LED904
C-2
LED906
B-2
LED907
B-12
LED908
B-4
LED911
C-4
LED912
C-5
LED913
C-6
LED914
C-6
LED915
C-7
LED916
C-8
LED917
C-9
LED918
C-10
LED919
C-10
LED932
B-5
LED941
B-2
LED942
C-3
LED943
B-3
LED944
B-4
LED951
B-7
Q931
I-5
Q932
I-5
4
4
CDX-GT250M
CDX-GT250M
• SCHEMATIC DIAGRAM — KEY SECTION —
R981
R982
R987
R984
R985
R986
R977
Q932
R901
R903
R904
R906
R907
R908
R909
R910
R911
R912
R913
R914
R915
R916
R917
R899
FB902
R902
R918
R931
R932
R933
R941
R942
R934
FB903
J901
R924
R923
R922
R921
LSW901(1/2)
LSW902(1/2)
LSW903(1/2)
S904
S906
S907
S908
LSW909(1/2)
LSW910(1/2)
S911
S912
S913
S914
S915
S916
S917
S918
S919
LSW920(1/2)
R947
R946
R948
R949
R950
R951
LSW909(2/2)
R957
R958
R961
R962
R963
R964
R996
R997
R998
C986
C981
D982
IC971
C983
C984
C971
R972
IC901
LCD901
R959
R960
CN901
FB904
R975
R905
FB901
LSW902(2/2)
LSW920(2/2)
LSW903(2/2)
LSW901(2/2)
LED952
LSW910(2/2)
LED932
Q931
LED907
R944
R945
LED919
LED918
LED917
LED915
LED916
LED914
LED913
LED912
R953
R954
LED941
LED942
LED943
LED944
LED951
R955
R956
LED911
LED906
LED904
LED908
R991
D981
R988
R978
R979
D903
R976
R974
C922
C921
RE901
D901
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Sony CDX-GT250M (serv.man2) Service Manual ▷ Download

  • DOWNLOAD Sony CDX-GT250M (serv.man2) Service Manual ↓ Size: 1.11 MB | Pages: 6 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony CDX-GT250M (serv.man2) in PDF for free, which will help you to disassemble, recover, fix and repair Sony CDX-GT250M (serv.man2) Car Audio. Information contained in Sony CDX-GT250M (serv.man2) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.