DOWNLOAD Sony CDX-GT250MP / CDX-GT257ME / CDX-GT25MPW / CDX-GT300MP / CDX-GT303MP / CDX-GT30MP / CXS-3016F Service Manual ↓ Size: 2.45 MB | Pages: 39 in PDF or view online for FREE

Model
CDX-GT250MP CDX-GT257ME CDX-GT25MPW CDX-GT300MP CDX-GT303MP CDX-GT30MP CXS-3016F
Pages
39
Size
2.45 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt250mp-cdx-gt257me-cdx-gt25mpw-cdx-gt300mp-cd.pdf
Date

Sony CDX-GT250MP / CDX-GT257ME / CDX-GT25MPW / CDX-GT300MP / CDX-GT303MP / CDX-GT30MP / CXS-3016F Service Manual ▷ View online

CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
17
17
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 
Ω and 
1
/
4
 W or less unless otherwise 
specifi ed.
•      f  : Internal component.
•  C : Panel designation.
THIS  NOTE  IS  COMMON  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•  A  : B+ Line.
•  Voltages and waveforms are dc with respect to ground 
under no-signal (detuned) conditions.
  no mark : FM
 ( 
AM/MW/LW/SW
  < 
> : CD PLAY
        
*
   : Impossible to measure
•  Voltages are taken with a VOM (Input impedance 10 M
Ω).
  Voltage variations may be noted due to normal production 
tolerances.
•  Waveforms are taken with a oscilloscope.
  Voltage variations may be noted due to normal production 
tolerances.
•  Circled numbers refer to waveforms.
• Signal path.
  J : 
CD
  F : 
FM
  f : 
AM/MW/LW/SW
  L : 
AUX
• Abbreviation
 AR  : 
Argentina 
model
  CND  : Canadian model
  EA 
: Saudi Arabia model
  IND 
: Indian model
  MX 
: Mexican model
  RU 
: Russian model
• Abbreviation
 AR  : 
Argentina 
model
  CND  : Canadian model
  EA 
: Saudi Arabia model
  IND 
: Indian model
  MX 
: Mexican model
  RU 
: Russian model
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.)
•  Indication of transistor.
 
C
B
These are omitted. 
E
Caution:
Pattern face side: 
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen 
from   the pattern face are indicated.
Parts on the parts face side seen from   
the parts face are indicated.
• Waveforms
– MAIN Board –
1.2 Vp-p
32.768 kHz
3.5 Vp-p
7.92 MHz
1 V/DIV, 20 ȝsec/DIV
2 V/DIV, 50 nsec/DIV
1
 IC401 qa (XOUT)
2
 IC401 qd (OSCOUT)
0.06 Vp-p
4 MHz
0.05 V/DIV, 50 nsec/DIV
3
 IC001 qh (XTAL1)
Note: 
The components identi-
fi
 ed by mark 0 or dotted 
line with mark 0 are criti-
cal for safety. 
Replace only with part 
number specifi ed.
Note: 
Les composants identifi és 
par une marque 0 sont 
critiques pour la sécurité. 
Ne les remplacer que par 
une pièce portant le nu-
méro spécifi é.
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
18
18
• 
 : Uses unleaded solder.
4-3.  PRINTED  WIRING  BOARD  – MAIN Section –
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
IC403
IC301
IC001
IC401
KEY BOARD CN001
A
FLASH
PROGRAMMING
CD
MECHANISM
UNIT
(MG-101X)
1
37
2
36
21
20
40
1
1
16
17
32
1
100
80
81
50
51
30
31
FB604
C20
JW371
C21
R401
FB606
C22
C23
FB608
C24
FB609
C25
C26
R212
C27
R213
C28
R216
R217
R413
R414
JC335
R415
R416
R801
FB1
1
1
1
1 FB1,2,3:US,CND
R3,15,16:EXCEPT US,CND
 
R802
FB2
FB3
CN401
CN403
C41
JC346
R815
R816
R817
R818
C201
R819
C203
C206
CN802
C207
R820
C208
C209
R821
R822
R824
R631
C401
R826
C402
C404
C210
JL001
C405
C211
JL002
R636
C212
C406
JL003
C407
JL004
C214
JL005
C409
C215
JL006
JL007
JL008
JL009
JL010
JL011
JL012
JL013
JL014
JL015
JL016
JL017
C803
JL018
C804
JL019
C805
C806
C807
C808
JL020
JL021
JL022
A14
B1
A1
15
1
28
14
JL023
JL024
C810
JL025
C811
JL026
C812
JL027
C813
JL028
JL029
C815
R661
R662
R663
JL030
R664
JL031
JL032
JL033
JL034
JL035
JL036
JL037
JL038
JL039
C1
C2
C3
R671
C5
R672
C6
R673
JL040
R674
C8
JL041
C9
JL042
JL043
JL044
JL045
JW201
JL046
JW202
JL047
JL048
JL049
Q102
JW207
Q103
JW208
Q104
JW209
JL050
D202
D203
D204
JW21
1
D205
JW212
JW213
Q303
JW214
Q304
JW215
JW216
JW217
L101
R691
JW219
JW221
JW222
JW223
JW225
JW227
JW230
JW231
JW232
JW234
JW235
D806
JW237
D807
D808
IC402
JW240
JW241
D811
JW243
D814
JW244
D815
JW245
JW246
JW248
JW250
JW251
JW252
JW253
JW254
JW258
JW261
FB301
JW262
J1
R101
JW268
L151
JW269
R106
R107
R301
R302
JW273
JW275
JW276
R112
JW277
R113
R308
JW279
R309
R116
R117
R500
RU MODEL
RU MODEL
RU MODEL
EXCEPT
RU MODEL
R501
R502
R503
R504
R505
JW281
JW282
R506
R507
JW283
R313
JW284
R508
R509
L1
L2
JW286
L3
L4
JW288
R701
L6
L7
R703
R510
L8
R51
1
R512
R513
R708
R514
JW291
R516
JW292
JW293
R517
R519
JW298
JW299
R520
R521
R522
R523
R525
C101
R526
2
3
C103
CN701
C106
JC257
C107
C108
C109
R531
R532
R533
C303
R534
C304
C110
C305
C112
C306
R537
C307
R538
C308
C114
R151
C115
CL001
R152
CL002
R153
CL003
R154
CL004
R155
CL005
C502
C503
R540
C504
R541
C312
R543
C507
C313
R544
C508
R545
R11
C315
R546
C316
R12
R13
C317
R548
R14
R549
C701
R15
R16
C703
C510
C704
C705
X501
X502
C706
C512
C707
C513
R550
C708
C514
C515
R551
C709
C322
R554
R556
R558
C710
C71
1
A001
R559
C712
C520
C521
C522
C523
R560
R561
C719
R756
R562
R564
R565
R566
R567
R568
R1
R2
R3
R570
R571
C151
C152
C153
R577
R578
C154
C155
VR1
CL042
JW102
CL043
C157
CL044
CL045
CL046
CL047
CL048
CL049
R581
R582
R583
JW300
R584
C930
R585
C931
JW301
R586
JW302
D102
R587
JW303
D103
CL050
R588
JW304
D104
CL051
R589
D105
CL052
Q202
CL053
JW307
Q203
CL054
Q204
CL055
JW309
CL056
CL057
R590
R591
R592
C556
D302
R593
D303
R594
JW310
D304
R595
D305
R596
JW312
D306
JW313
R597
R598
JW315
JW317
JW318
C755
JW126
D502
JW320
JW321
JW322
JW323
JW325
JW326
JW327
D703
L403
JW328
D704
JW329
Q802
JW137
JW138
Q805
Q806
IC302
Q807
Q808
JW331
JW332
JW333
JW334
JW335
JW336
JW337
C776
JW147
JW148
D719
L801
FB14
JW341
PL01
FB15
JW342
PL02
JW343
JW344
X1
JC103
JC104
JC106
JC107
JC109
JW350
JW351
JW352
JW353
D153
JW354
JW355
JW356
JW357
JW358
JW359
J301
JC1
16
JC118
JW360
JW361
C12
C13
R201
JC121
JW366
C16
JW367
C17
C18
C19
R206
R207
1-882-653-
(11)
11
X501
AR,RU MODEL
EXCEPT AR,RU MODEL
-2
R
-1
L
J801
(REMOTE IN)
FU601
(ANTENNA)
J1
1
8
9
1
16
8
1
2
4
3
1
3
5
4
(CHASSIS)
(CHASSIS)
GT30MP
/GT300MP
/GT303MP
2
1
14
15
REAR/SUB
AUDIO OUT
BCE
BCE
ECB
ECB
BCE
ECB
BCE
ECB
BCE
BCE
BCE
ECB
ECB
(CHASSIS)
2  R525:GT30MP/GT300MP/GT303MP
       R526:GT25MPW/GT250MP/GT257ME
       R537:US,CND,EA
       R538:RU,E,AR,MX,IND
       R548:GT30MP/GT257ME/GT300MP/GT303MP
       R549:GT25MPW/GT250MP:US,CND/GT257ME
       R550:GT25MPW/GT250MP
       R551:GT30MP/GT250MP:RU/GT300MP/GT303MP
*
3  R506:GT25MPW/GT30MP/GT250MP/GT300MP/GT303MP
       R520:GT257ME
GT30MP
/GT300MP
/GT303MP
RU MODEL
(Page 22)
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
19
19
5
11
H
6
C
E
13
1
B
G
12
I
D
F
A
9
2
8
4
10
7
3
1
MAIN BOARD 
(2/3)
(3/3)
BOARD
MAIN
2
IC B/D IC B/D
IC B/D
EXCEPT AR,RU MODEL
AR,RU MODEL
3
7.2
3
7.2
14.4
7.2
7.2
4.6
4.3
4.3
4.3
4.3
4.5
7.2
7.2
14.4
7.2
3.2
7.2
3.2
13.8
13.8
8.3
0<3.3>
6
10.3
14.4
14.2
5
0
2.7
0
0
6.7
0.6
0
3
3.3
13.9
0
0
13.7
3.3
1.3
55
0.6
0
6.7
RU MODEL
RU MODEL
RU
MODEL
(EXCEPT RU MODEL)
(EXCEPT RU)
(RU)
(RU MODEL)
MAIN BOARD (1/3)
IC301
IC403
IC402
4
3
1
2
16V
47
C313
0.22
C405
RKZ18B2KGP1
D808
1A4-A2
D105
2SC4154TP-1EF
Q805
ACC DETECT
1
C209
1A4-A2
D305
16V
3300
C807
10k
R821
1000p
C806
2.2
C315
IC301
I2C BUS CONTROLLED POWER AMP/
  MULTIPLE VOLTAGE REGULATOR
TA
B
1
I2C_SIO
2
OUT
-FL-
3
I2C_SCK
4
OUT
-FL+
5
VP2
6
OUT
-RL-
7
P-GND1
8
OUT
-RL+
9
SVR
10
IN-RL
11
IN-FL
12
S-GND
13
IN-FR
14
IN-RR
15
BEEP
16
OUT
-RR+
17
P-GND3
18
OUT
-RR-
19
VP1
20
OUT
-FR+
21
STB
22
OUT
-FR-
23
P-GND4
24
DIAG
25
RST
26
ANT
-REM
27
CRES
28
AMP-REM
29
AUDIO+B(8.5V)
30
SER
VO-3.3V
31
GND
32
MECHA-6V
33
PA
N
EL
+B
34
VP
35
CBU
36
BU+B
37
10V
C307
220
1
C1
14
0.22
C305
1
C210
1
C215
25V
22
C303
1A4-A2
D202
16V
C312
10
47k
R817
2SC4154TP-1EF
Q806
TEL-ATT DETECT
47k
R819
1
C109
0.1
C808
1000p
C805
4.7k
R818
1000p
C755
0.47
C804
1
C1
10
0.22
C81
1
1A4-A2
D302
1A4-A2
D304
0.22
C406
1
C1
15
1
C214
1A4-A2
D104
1A4-A2
D203
1A4-A2
D204
0.22
C308
1A4-A2
D303
CN802
16P
1
FL+
2
RL+
3
RR+
4
FR+
5
AMP-REM
6
ANT-REM
7
ACC
8
GND
9
FL-
10
RL-
11
RR-
12
FR-
16
+B
13
TEL-ATT
14
ILL
15
TEST
17
+B
18
+B
19
+B
150
R308
0.22
C810
1A4-A2
D102
1A4-A2
D205
47k
R822
0.47
C803
RKZ18B2KGP1
D81
1
1
C306
0.22
C304
1A4-A2
D103
10k
R820
16V
47
C322
MA2J1
110GLS0
D306
10V
1000
C409
0.1
C407
DRA5114E0L
Q304
MUTE DRIVE
C815
1000p
22
R313
100k
R401
PST8228UL
IC403
RESET
VOUT
Vdd
NC
VSS
5
4
3 2 1
TK11133CSCL-G
IC402
+3.3V REG
CONT
GND
NP
VOUT
VIN
0
FB604
0.1
C402
DRC5114E0L
Q303
MUTE DRIVE
0.1
C401
R585
220k
R584 220k
2SC3052EF-T1-LEF
Q808
BACK-UP CHECK
J801
(REMOTE IN)
R815
1k
DRC5114E0L
Q802
BACK-UP CHECK
1k
R816
RKZ18B2KGP1
D807
RKZ7.5B2KGP1
D806
R541 100k
R540 100k
47k
C21
1
4.7k
R631
10V
100
C503
220
R415
220
R416
0
R309
R301
100
100
R302
1k
R824
250uH
L801
1
2
C404 0.22
C776 1000p
1A4-A2
D814
1A4-A2
D815
DRC5144E0L
Q807
BACK-UP CHECK
R826
R802
R801
1
2
3
4
5
6
9
10
11
12
13
14
15
16
BUS1
BUS2
BUS3
8
RCIN1
BEEP
STB
DIAG
TEL
I2C_SCK
I2C_SIO
BUS_ON
RESET
ACC
SYS_RESET
RCIN0
BU_IN
1
L-CH
-
ACC
REAR
8
10A
BATT
FL-
8
FR-
5
8
ACC
FL-
ATT
R-CH
+
AMP REM
-
ANT REM
2
15
-
6
3
R-CH
7
4
RL-
4
1
16
14
8
10
2
10
6
FR+
6
FL+
GND
4
11
GND
FR-
FRONT
13
3
ANT REM
RR+
5
BATT
15
FL+
FRONT
4
BATT
+
16
7
RL+
2
RR-
RR-
L-CH
ANT REM
1
6
ACC
5
+
RL+
2
1
9
14
RR+
5
13
3
GND
12
FR+
AMP REM
7
FU601
+
12
7
11
REAR
3
RL-
9
-
TDF8554AJ/N1
TDF8556AJ/N1
• See page 24 for IC Block Diagram.
4-4.  SCHEMATIC  DIAGRAM  – MAIN Section (1/3) –
(Page 20)
(Page 21)
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
20
20
11
B
3
A
12
G
2
F
13
E
4
5
9
8
7
10
I
6
H
C
1
D
1
2
1
(1/3)
MAIN BOARD 
0
0
3
3.2
3.2
3.2
0
0
3.2
3.2
3.3
3.3
0
0
0
0
0<3.2>
0<3.2>
0
0
0
0
0<3.2>
0
0
0
0
0
0
0
3.2
0
0
3
0
0
3
3
3.3
0
3.3
3.2
0
0
0
0<3.3>
0<3.3>
0<3.1>
0
3.2
0.1
3
1.6
0
3.2
0
0.2
0.8
2.9
1.7
1.4
3.3
3
3
2.7
0
0
0
0
3
3
*4
*3
(GT25MPW/GT30MP/GT250MP/
 GT300MP/GT303MP)
(GT257ME)
(GT30MP/GT300MP/GT303MP)
(GT25MPW/GT250MP/GT257MP)
*2
*1
*5
(RU,E,AR,MX,IND)
(US,CND,EA)
*6
*9
(RU)
(GT30MP/GT250MP:RU/GT300MP/GT303MP)
*11
*7
*8
*12
(EXCEPT RU)
(GT25MPW/GT250MP:US,CND/GT257ME)
(GT25MPW/GT250MP)
*10
(GT30MP/GT257ME/GT300MP/GT303MP)
*1
1
*1
*5
*10
*9
*7
*8
*6
*3
*2
*12
*4
MAIN BOARD (2/3)
BOARD
3
(3/3)
MAIN
IC401
100k
R561
100k
R674
0
R509
1k
R510
1k
R512
470
R570
LRB751V
-40T1G
D502
100k
R519
100k
R513
100k
R532
100k
R533
10M
R501
32.768kHz
X502
150k
R508
18p
C508
18p
C507
100
R672
0
R756
100k
R514
0.01
C513
1000p
C502
100
R671
0.5%
10k
R673
100
R503
0.5%
10k
R505
100
R502
0.5%
10k
R504
1000p
C512
1000p
C514
0.01
C523
0.01
C522
R558
100k
R523
100k
100k
R691
0.01
C504
R520
R506
10k
R500
10k
R534
100k
R531
100k
R636
R564
R556
1k
R663
1k
R661
10k
R664
10k
R662
0
R517
100k
R567
0
R516
100k
R565
2.2k
R522
2.2k
R521
47p
C521
47p
C520
C101
560p
0.01
C710
560p
C201
10V
100
C701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
28P
CN701
MEC_DSW
MEC_LIMIT
MEC_INSW
MEC_SELFSW
CDON_1500MV
AU_8V
VDD_3.3V
D_GND
BU_3.3V
DR_6V
DR_GND
MEC_EJECT
MEC_LOAD
DRV_ON
DEC_INT
DEC_XMUTE
CD_ZDET
NC
NC
DEC_SO
DEC_SI
DEC_SCK
DEC_XCCE
DEC_SSTBY
DEC_RST
AU_RCH
AU_GND
AU_LCH
1k
R101
16V 10
C703
0.01
C711
R708
0
1k
R201
0.01
C712
0.01
C704
100k
R577
7.92MHz
X501
FB608
FB609
FB606
0
R701
0
R703
100k
R571
10k
R559
10k
R560
33k
R562
33k
R566
CL001
CL002
CL003
CL004
1k
R511
1k
R543
CL005
1M
R581
0.01
C556
1k
R589
1k
R582
1k
R583
1k
R586
1k
R587
100
R588
100
R590
100
R591
100
R592
100
R593
100
R594
100
R595
100
R596
100
R597
100
R598
100
R544
100
R545
100
R546
100k
R568
1
2
3
4
5
6
7
8
8P
CN401
RESET
CLK
BUSY
TXD
RXD
BU3.3V
FLASH_W
GND
R525
R526
R550
R548
R551
R537
R507
100k
R554
100k
2200p
C515
JL001
JL002
JL003
JL004
JL005
JL006
JL007
JL008
JL009
JL010
JL011
JL012
JL013
JL014
JL015
JL016
JL017
JL018
JL019
JL020
JL021
JL022
JL023
JL024
JL025
JL026
JL027
JL028
JL029
JL030
JL031
JL032
JL033
JL034
JL035
JL036
IC401
R5F3650KBDFA
SYSTEM CONTROL
1
LCD_SO
2
LCD_CLK
3
NOSE_SW
4
SIRCS
5
UNISO
6
UNISI
7
UNISCK
8
BYTE
9
CNVSS
10
XIN
11
XOUT
12
RESET
13
OSCOUT
14
VSS
15
OSCIN
16
VCC1
17
NMI
18
RC_IN1
19
BUIN
20
SYSRST
21
BUS_ON
22
DEC_SI
23
DEC_SCK
24
DEC_SO
25
NCO
26
NCO
27
NCO
28
BEEP
29
I2C_SCK
30
I2C_SIO
31
FW_TXD
32
FW_RXD
33
FW_CLK
34
FW_BUSY
35
BT_API_TX
36
BT_API_RX
37
DRV_ON
38
MEC_LOAD
39
MEC_EJECT
40
CDON_1500MV
41
EPM
42
MEC_INSW
43
MEC_LIMIT
44
MEC_DSW
45
DEC_INT
46
CE
47
NCO
48
NCO
49
DEC_XMUTE
50
NCO
51
CD_ZDET
52
CD_XCCE
53
DEC_SSTBY
54
DEC_RST
55
BT_A
TT_XEN
56
TELA
TT
57
ACC_IN
58
AT
T
59
DIAG
60
AMPSTB
61
CYRIL_SEL
62
VCC2
63
NCO
64
VSS
65
ILLUMI SEL
66
COLSW SEL
67
BT_MUTE
68
B-OUT
 SEL
69
NCO
70
AREASEL2
71
AREASEL1
72
AREASEL0
73
DIM SEL
74
NCO
75
MEC_SELFSW
76
EQ TYPE 
SEL
77
BT_TX
78
BT_RX
79
DEBUG_1
80
DEBUG_2
81 RE-IN1
82 RE-IN0
83 SAIN
84 BT_RTS
85 BT_CTS
86 BT_RESET
87 BT_POWER
88 NCO
89 SADATA
90 SACLK
91 KEYACK0
92 KEYACK1
93 VSM
94 KEYIN1
95 KEYIN0
96 AVSS
97 RC_IN0
98 AVRH
99 AVDD
100 LCD_CE
0.01
C510
R538
R549
1
2
3
4
5
6
9
18
19
21
22
BUS1
BUS2
BUS3
BUS4
BUS5
BUS7
8
STB
RCIN0
NOSE-SW
KEY0
DEC_SCK
DEC_SI
DRV_ON
MEC_LOAD
MEC_SELFSW
BU_IN
L-CLK
BEEP
MEC_DSW
MEC_LIMIT
MEC_INSW
MEC_EJECT
DEC_INT
DEC_XMUTE
CD_ZDET
DEC_SO
DEC_RST
CD_XCCE
DEC_STBY
MEC_INSW
CD_ZDET
DEC_SO
DEC_SCK
DEC_SI
BUSY
MEC_EJECT
MEC_LOAD
CDON_1500MV
DEC_INT
DEC_XMUTE
CD_XCCE
DEC_STBY
DEC_RST
SIR
TXD
RXD
CNVSS
CNVSS
RESET
I2C_SIO
I2C_SCK
DRV_ON
UNI_SO
RESET
CLK
BUSY
RE-0
RCIN1
L-DA
KEY1
RE-1
CDON_1500MV
CD_RCH
CD_LCH
DIAG
AT
T
ACC
TEL
MEC_LIMIT
MEC_DSW
RXD
CLK
TXD
L-CE
I2C_SIO
I2C_SCK
AT
T
UNI_SI
UNI_SCK
MEC_SELFSW
1
PROGRAMMING
FLASH
)
(
(MG-101X)
CD
MECHANISM
UNIT
100k
R525
R520
100k
R526
R506
100k
100k
R538
100k
100k
R537
100k
R551
R548
100k
100k
100k
100k
R556
R549
R550
R564
100k
4-5.  SCHEMATIC  DIAGRAM  – MAIN Section (2/3) –
(Page 21)
(Page 19)
• See page 17 for waveforms.   •  See page 26 for IC Pin Function Description of IC401.
Page of 39
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