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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
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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
13
3-9.  SLED  MOTOR  ASSY
3 sled motor assy
sled motor assy
1 spring
spring
stand
stand
turn table
2 three serration screws
 (M 
2 
u 3)
three serration screws
(M 2 
u 3)
Note: Place the stand with care not to touch the turn table.
Note: 
Never remove these parts since they were adjusted.
bearing (R)
bearing (F)
Note for Assembly
Note: Take care to prevent the chassis from being bent 
 
when tightening the three machine screws.
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
14
3-10.   OPTICAL  PICK-UP  SECTION
3-11.  OPTICAL  PICK-UP
1
2 optical pick-up section
Note: Be careful not to touch the lens and hologram 
 
terminal when removing the optical pick-up section.
1 tapping screw
 (P 
1.4)
2 leaf spring (OPS)
3 rack
5 optical pick-up
4 lead screw assy
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
15
15
SECTION  4
DIAGRAMS
4-1.  BLOCK  DIAGRAM  – MAIN Section –
28
26
21
14
13
12
5
3
1
15
16
7
9
6
AU_LCH
AU_RCH
MEC_LOAD
MEC_EJECT
CDON_1500MV
MEC_INSW
MEC_LIMIT
DEC_INT
DEC_XMUTE
AU_8V
VDD_3.3V
BU_+3.3V
DR_+6V
R-CH
R-CH
R-CH
R-CH
R-CH
AUDIO+8.5V
BU+3.3V
SERVO+3.3V
R-CH
9 AUX_LCH
7 AUX_RCH
DEC_SO
24
20
22
DEC_SO
DEC_SCK
DEC_SI
DRV_ON
DRV_ON
37
DEC_SCK
23
DEC_SI
22
MEC_LOAD
38
2
MEC_DSW
MEC_EJECT
39
24
DEC_STBY
25
DEC_RST
CDON_1500MV
40
MEC_INSW
42
MEC_LIMIT
43
MEC_DSW
44
DEC_INT
45
DEC_XMUTE
BU+3.3V
49
CD_ZDET
51
CD_XCCE
52
DEC_SSTBY
53
DEC_RST
54
MEC_SELFSW
75
FW_TXD
31
CNVSS
9
FW_BUSY
34
FW_RXD
32
FW_CLK
33
VOUT
1
VIN 2
10
4 FMIN1
3 FMIN2
4 TU_LCH
8 AUX_GND
ELECTRONIC VOLUME
IC302
J1
(ANTENNA)
PHASE LOCKED LOOP
(PLL)
IC001
L6
FM MIX
L2
CN701
CD
MECHANISM
UNIT
(MG-101Y)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC301
SYSTEM CONTROL
IC401 (1/2)
RESET
IC403
CN802
3 TU_RCH
6 CD_LCH
5 CD_RCH
R-CH (FRONT)
R-CH (REAR)
BATT
R-CH
8
9
18
SCL
19
SDA
16 XTAL1
15 XTAL2
LOUT
ROUT
J901
AUX
X1
4MHz
5
3
OUT-FL+
OUT-FL–
9
7
OUT-RL+
OUT-RL–
27
R-CH
ANT-REM
35
VP
BATT
20
VP1
6
VP2
30
AUDIO+B
31
33
SERVO+3.3V
MECHA+6V
34
PANEL+B
R-CH (REAR/SUB)
35
33
OUT_FRCH
OUT_RRCH
R-CH
30
OUT_ SLCH
31
OUT_SRCH
4 I2C_SCK
AUDIO +8.5V
SERVO+3.3V
MECHA+6V
PANEL+B
2 I2C_SIO
16 BEEP
22 STB
25 DIAG
7
10
12
11
16
1
9
2
4
3
6
37
38
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
29
I2C_SCK
30
I2C_SIO
58
ATT
28
BEEP
60
AMPSTB
59
DIAG
19
BU_IN
12 IN-FL
FL+
FL–
L
R
RL+
RL–
FR+
FR–
RR+
RR–
ANT-REM
BATT
ACC
RU MODEL
34
OUT_FLCH
11 IN-RL
32
OUT_RLCH
12
RESET
57
ACC_IN
ACC DETECT
Q805
+3.3V REG
IC402
MUTE
Q103
29
AMP-REM
5
AMP-REM
1 AMRFIN
REAR/SUB
D306
FU601
13
TEL-ATT
56
TELATT
TEL-ATT
DETECT
Q806
37
BU+B
BU+5V
J301
-1
-2
AUDIO
OUT
BU+3.3V
BATT
5
4
BACK-UP
CHECK
D806,807,Q802,807,808
MECHA+6V
3.3V
6
3
FLASH_W
BUSY
7
CLK
2
RESET
RXD
5
1
4
TXD
CN401
FLASH
PROGRAMMING
BU+3.3V
BU+5V
17
23
CD_ZDET
CD_XCCE
4
MEC_SELFSW
MUTE
Q104
MUTE DRIVE
Q303,304
MUTE
Q102
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585XVVLDQ
: AM/MW/LW/SW
: CD
: FM
: AUX
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
16
16
4-2.  BLOCK  DIAGRAM  – DISPLAY Section –
X502
32.768kHz
10
11
94
1
2
100
95
SYSTEM CONTROL
IC401 (2/2)
LCD DRIVE
IC903
KEYIN1
CL
CE
LCD_SO
LCD_CLK
LCD_CE
KEYIN0
92 KEYACK1
82 RE_N0
RE0
RE1
81 RE_IN1
18
97
91
XOUT
XIN
X501
7.92MHz
15
13 OSCOUT
3 NOSE_SW
OSCIN
47
48
46
DIMMER 2
COM1
I
COM4
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
3
|
34
‡
39
35
|
38
S1
I
S33
DI
PANEL+B
KEY MATRIX
LSW901–908
S901–908 
(VOLUME)
PUSH SELECT
S905
ROTARY
ENCODER
4 SIRCS
REMOTE
CONTROL
SIGNAL
RECEIVER
 IC902
BACK-LIGHT 1
BACK LIGHT
LED DRIVE
Q932
DIMMER
SWITCH
Q931
LED901,903,905,907,909
911,913,915,917,919
921,923,925,927,933
935,937,945,
LSW901–908
LED931
(LCD BACK LIGHT)
3
OUT
RC_IN1
RC_IN0
KEYACK0
J801
(REMOTE IN)
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