DOWNLOAD Sony CDX-GT450U / CDX-GT457UE / CDX-GT500U / CDX-GT500US / CDX-GT505U / CDX-GT50UMS Service Manual ↓ Size: 1.87 MB | Pages: 41 in PDF or view online for FREE

Model
CDX-GT450U CDX-GT457UE CDX-GT500U CDX-GT500US CDX-GT505U CDX-GT50UMS
Pages
41
Size
1.87 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt450u-cdx-gt457ue-cdx-gt500u-cdx-gt500us-cdx-.pdf
Date
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Sony CDX-GT450U / CDX-GT457UE / CDX-GT500U / CDX-GT500US / CDX-GT505U / CDX-GT50UMS Service Manual ▷ View online

CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
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-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
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-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
15
15
SECTION  4
DIAGRAMS
4-1.  BLOCK  DIAGRAM  – MAIN Section –
2
4
11
12
24
23
18
6
8
9
19
21
7
5
17
27
4
TXD
SP_CLK
SP_DATA
RXD
WAKE_UP
Z_MUTE
CD_ON
CDM_ON
SYS_RST
EJECT_OK
VBUS_ON
A_ATT
BU_CHECK
VDD_3.3V
BU_3.3V
DR_6V
R-CH
R-CH
R-CH
R-CH
R-CH
BU+3.3V
BU+3.3V
SERVO+3.3V
R-CH
5 AUX_LCH
7 AUX_RCH
MC_RX
22
MC_TX
24
WAKE_UP
39
Z_MUTE
40
CD_ON
37
CDM_ON
38
RESET
12
SYSRST
20
FW_RXD
VBUS_ON
BU+3.3V
51
FW_TXD
32
FW_CLK
31
CNVSS
33
9
FW_BUSY
34
VOUT
1
VIN 2
14
D731
4 FMIN1
3 FMIN2
3 TU_LCH
6 AUX_GND
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
PHASE LOCKED LOOP
(PLL)
IC001
L6
FM MIX
L2
CN701 (1/2)
CN402
CD
MECHANISM
UNIT
(MG-101N)
(1/2)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC301
SYSTEM CONTROL
IC501 (1/2)
RESET
IC403
CN301
4 TU_RCH
33 AU_IN_FL
AU_IN_FR
AU_IN_RL
AU_IN_RR
AU_IN_SUB
AU_OUT_LCH
AU_OUT_RCH
31
34
R-CH
30
32
R-CH
27
R-CH (FRONT)
R-CH (REAR)
BATT
R-CH
8
9
18
SCL
19
SDA
16 XTAL1
15 XTAL2
AU_FR_CH
AU_FL_CH
AU_RR_CH
AU_RL_CH
AU_SUB_CH
AU_IN_RCH
AU_IN_LCH
LOUT
ROUT
J901
AUX
X1
4MHz
S401
RESET
5
3
OUT-FL+
AEP,UK,RU
MODEL
EXCEPT AEP,UK,RU MODEL
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
37
AU_OUT_FR
AU_OUT_RR
R-CH
40
AU_OUT_SL
39
AU_OUT_SR
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
22
23
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
29
I2C_SCK
49
SA_CLKOUT
48
SA_DATAIN
30
I2C_SIO
58
ATT
28
BEEP
60
AMPSTB
59
DIAG
12 IN-FL
FL+
FL–
L
R
RL+
RL–
FR+
FR–
RR+
RR–
ANT-REM
BATT
ACC
36
AU_OUT_FL
11 IN-RL
38
AU_OUT_RL
MUTE
Q406
MUTE DRIVE
Q407,409
57
ACC_IN
19
BUIN
ACC DETECT
Q301
+3.3V REG
IC402
MUTE
Q404
29
AMP-REM
5 AMP-REM
13
TEL-ATT
56
TELATT
TEL-ATT DETECT
Q303
1 AMRFIN
REAR/SUB
SP_CLK
SP_DATA
D401
D403
D404
FU601
37
BU+B
B.U+5V
FRONT
R-CH
L
J402
R
-1
-2
-3
-4
AUDIO
OUT
MUTE
Q402
BU+3.3V
BATT
5
4
BACK-UP
CHECK
Q807,808
BACK-UP
CHECK
Q802,D806,807
MECHA+6V
BU3.3V
6
3
FLASH_W
BUSY
7
CLK
2
RESET
TXD
4
1
5
RXD
CN501
FLASH
PROGRAMMING
BU+3.3V
B.U+5V
AEP,UK,RU MODEL
REAR/SUB
R-CH
L
R
J401
-1
-2
AUDIO
OUT
28
13
R-CH
12
9
8
6
R-CH
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16
16
4-2.  BLOCK  DIAGRAM  – DISPLAY Section –
X502
32.768kHz
10
11
94
1
2
100
95
SYSTEM CONTROL
IC501 (2/2)
LCD DRIVER,LED CONTROL
IC901
KEYIN1
CLK LCD
CE
LCD_SO
LCD_CLK
LCD_CE
KEYIN0
92 KEYACK1
82 RE-IN0
RE0
RE1
81 RE-IN1
XOUT
XIN
X501
7.92MHz
15
13 OSCOUT
3 NOSE_SW
OSCIN
63
64
62
DIMMER 2
COLOR 2 4
COLOR 1 3
COM4
I
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
5
|
50
‡
55
‡
60
51
|
54
SEG48
I
SEG1
DATA
PANEL+B
KEY MATRIX
LSW905–912,
S901–907 
(VOLUME)
PUSH ENTER/SELECT
RE901
ROTARY
ENCODER
4 SIRCS
REMOTE
CONTROL
SIGNAL
RECEIVER
 IC902
Q903
LED
DRIVER
AR MODEL
EXCEPT
AR MODEL
Q904
LED
DRIVER
Q901
LCD BACK LIGHT
DIMMER
CONTROL
LED902,904,906,908,
911,913,915,917,918,
920,923,924,926,931,
933,935,937,939,
LSW905 (2/2)–LSW912 (2/2)
LED903,905,907,909,
910,912,914,916,919,
921,925,928,929,932,
934,936,938,940,
LSW905 (1/2)–LSW912 (1/2) 
LED901
(LCD BACK LIGHT)
3
26
SYNC_OUT
BATT
52
USB_OVR
50
USB ON
L602
USB VBUS POWER SUPPLY
IC601
CD
MECHANISM
UNIT
(MG-101N)
(2/2)
USB D+
USB D–
9 HSDCTL
10 FLG
8 SYN/EN
2 VIN
12
HSDSW
13
HSDSW
1
1
CN701
(2/2)
15
3
2
VBUS
D+
D–
4
CN902
(USB)
18 RC_IN1
91 KEYACK0
97 RC_IN0
J801
(REMOTE IN)
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