DOWNLOAD Sony CDX-GT40U / CDX-GT40UW / CDX-GT42UE / CDX-GT44U / CDX-GT45U / CDX-GT47UE Service Manual ↓ Size: 3.96 MB | Pages: 66 in PDF or view online for FREE

Model
CDX-GT40U CDX-GT40UW CDX-GT42UE CDX-GT44U CDX-GT45U CDX-GT47UE
Pages
66
Size
3.96 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt40u-cdx-gt40uw-cdx-gt42ue-cdx-gt44u-cdx-gt45.pdf
Date
PREV: Sony XS-GTX101LW Service Manual

Sony CDX-GT40U / CDX-GT40UW / CDX-GT42UE / CDX-GT44U / CDX-GT45U / CDX-GT47UE Service Manual ▷ View online

CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
33
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOAD DUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL–
OUT-FL+
OUT-RL–
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR–
OUT-FR+
OUT-FR–
DIAG
ANT-REM
AMP-REM
SERVO+3.3V
MECHA+6V
VP
BU+B
I2C_SDA
I2C_SCL
VP2
P-GND1
SVR
IN-FL
IN-FR
BEEP
P-GND3
VP1
STB
P-GND4
RST
CRES
AUDIO+B
(8.5V)
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
IC301  TDF8556AJ/N5 (MAIN board (1/5)) 
•  IC Block Diagrams
Ver. 1.4
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
34
1
CONT
2
GND
3
NC
VOUT
4
VIN
5
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
VREF
IC402  MM1836A333NRE (MAIN board (1/5))
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
35
IC1300  OZ539IGN-A1-0-TR (MAIN board (2/5))
VS
SEL
CHARGE
PUMP
S
Q
S
REFERENCE
GENERATOR
OSCILLATOR
ADJ
GENERATOR
VOUT_SYS(USBIN)
FAULT PROTECTION
BST
EN_SYS 4
USB_OUT 5
VIN 3
LX 2
1
2V
UVLS
FB_US 6
USB_IN 7
SYNC 8
RT
15
SS_SYS
13
EN_USB
12
VIC_USB
11
ISET_USB
10
FLT_USB
9
GNDA
14
VREF
16
HDR
OCP
OVER-CURRENT
LIMIT
OVER-CURRENT
LIMIT
OVER-CURRENT
LIMIT
USB FAULT
PROTECTION
5
VDD
4
VOUT
2
GND
3
NC
1
CE
BANDGAP
REFERENCE
THERMAL
PROTECTION
IC681  NJM2878F3-15 (TE2) (MAIN board (5/5))
Ver. 1.4
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
36
IC401  BD3467FV-E2 (MAIN board (3/5))
BUS_LCH 1
INPUT SELECTOR
(2 SINGLE-END AND 4 STEREO ISO)
MUTE
MAIN GAIN
ADJUST
SUB GAIN
ADJUST
I2C
BUS
LOGIC
2ND ORDER LOW-PASS FILTER
INPUT GAIN
AU_OUT_SL
40
BUS_RCH 2
NCO 3
NCO 4
TU_LCH 5
TU_GND 6
TU_RCH 7
ISO
GND
AMP
ISO
GND
AMP
AUX_LCH 8
AUX_GND 9
AUX_RCH 10
ISO
GND
AMP
ISO
GND
AMP
XM_LCH 11
XM_GND 12
XM_RCH 13
ISO
GND
AMP
ISO
GND
AMP
FP1 14
FN1 15
ISO
GND
AMP
FN2 16
FP2 17
NCO 18
NCO 19
NCO 20
ISO
GND
AMP
AU_OUT_SR
39
AU_OUT_RL
38
AU_OUT_RR
37
AU_OUT_FL
36
AU_OUT_FR
35
AU_IN_FR
34
AU_OUT_LCH
28
AU_OUT_RCH
27
VCC (8.5V)
26
AU_IN_FL
33
AU_IN_RR
32
AU_IN_RL
31
AU_IN_SUB
30
NCO
29
FADER
 ATT
FADER
 ATT
FADER
 ATT
FADER
 ATT
FADER
 ATT
FADER
 ATT
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
+
+
VCC
FIL
25
GND
24
I2C_SDA
23
I2C_SCL
22
MUTE
21
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