Sony CDX-GT40U Service Manual

CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
2121
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM – MAIN Section –
R-CH
R-CH
R-CH
R-CH
R-CH
8
AUX_LCH
10
AUX_RCH
MC_RX
22
MC_TX
24
WAKE_UP
40
Z_MUTE
42
CD_ON
38
CDM_ON
39
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
VDD
2
D731
5
TU_LCH
9
AUX_GND
ELECTRONIC VOLUME
IC401
DIGITAL SIGNAL PROCESSOR
IC701
J1
(ANTENNA)
TU901
TUNER UNIT
CD
MECHANISM
DECK BLOCK
(MG-101CA-188)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC301
SYSTEM CONTROL
IC501 (1/2)
RESET
IC403
CN301
7
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
HIT2_SDA
SDA
SCL
RSTN
47
SA_DATA
89
SA_CLK
90
HIT2_SCL
48
HIT2_RESET
49
R-CH (FRONT)
R-CH (REAR)
BATT
R-CH
57
DA03(F_L_CH)
DA02(F_R_CH)
DA04(R_L_CH)
DA01(R_R_CH)
DA05(SUB_CH)
ADIN1(IN_L_CH)
ADIN2(IN_R_CH)
RF_ANT_IN
3
4
5
6
7
1
AUDIO_OUT_L
AUDIO_OUT_R
RSTN
SCL
SDA
18
FPI1
54
59
R-CH
R-CH
R-CH
52
61
70
74
95
SP_DATA
96
SP_CLK
66
XI
67
XO
J901
AUX
X701
16.934MHz
5
3
OUT-FL+
OUT-FL–
9
7
OUT-RL+
OUT-RL–
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
35
37
AU_OUT_FR
AU_OUT_RR
R-CH
40
AU_OUT_SL
39
AU_OUT_SR
4
I2C_SCL
AUDIO+8.5V
SERVO+3.3V
MECHA+6V
PANEL+B
2
I2C_SDA
16 BEEP
22 STB
25 DIAG
7
10
12
11
16
1
9
2
4
3
6
22
23
I2C_SCL
I2C_SDA
I2C_SCL
I2C_SDA
I2C_SCL
I2C_SDA
I2C_SCL
I2C_SDA
29
I2C_SCL
30
I2C_SDA
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
LD DRIVE
Q710
MUTE DRIVE
Q407,409
57
ACC_IN
ACC DETECT
Q301
BU+3.3V REG
IC402
MUTE
Q404
29
AMP-REM
5
AMP-REM
REAR/SUB
D401
D403
FU601
37
BU+B
B.U+5V
J401
-1
-2
AUDIO
OUT
MUTE
Q402
BU+3.3V
54
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
BATT
19
BU_IN
OVER
VOLTAGE
CHECK
Q802
LOW
VOLTAGE
CHECK
Q801
BACKUP
VOLTAGE
CHECK
Q803
28
26
24
28
20
22
C
B
A
E
SL
SP
F
PD
FOCUS
TRACK
CN700
15
FNI2
16
FNI1
17
FPI2
21
TNI
20
TPI
12
6
4
3
24
MDI
LD
10
25
LDO
31
FO0
32
TRO
34
FMO
1
35
DMO
82
CCE
85
RST
81
BUCK/SCL
79
BUS2/SO
80
BUS3/SI
94
ZDET
55
TXD
CD
DEC
CD SERVO,
USB CONTROL
IC601 (1/2)
56
RXD
8
WAKEUP
54
ZMUTE
53
CDON
52
MECON
3
RESET
74
VBUS_ON
51
A_ATT
12
BU_IN
DRV_ON
LOAD
EJECT
L_SW
IN_SW
7
9
11
13
35
DRV_ON
36
MEC_LOAD
37
MEC_EJECT
39
MEC_LIMIT
15
40
MEC_INSW
D_SW
SELF
17
5
DRV_6V
DRV_6V
MECHA+6V
25
27
41
MEC_DSW
25
MEC_SELFSW
88899091
BSIF_BCK
92
BSIF_LRCK BSIF_GATE BSIF_DATA DEC_REQ BSIF_REQ
93
DEC_XMUTE
37
SRAM STB
XCCE
XRST
SCLK
SI
SO
ZDET
BCK
LRCK
GATE
DATA
INT
REQ
XMUTE
SSTBY
87
292824232215 212019181716 3827
D806
D805
 SLJQDO PDWK
 R-CH LV RPLWWHG GXH WR VDPH DV L-CH.
 AM RU MW
: CD
: FM
: BUS AUDIO
Note: CN501 has been deleted in the midway of production.
Ver. 1.4

Sony CDX-GT40U Specifications

General

MP3 playback	Yes
Tuner type	SSIR-EXA
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Impedance	220 Ω
Output power	52 W
Product color	Black
Ready for iPod	No
Disc types supported	CD, CD-R, CD-RW
Audio output channels	4.0 channels
Signal-to-Noise Ratio (SNR)	80 dB
Display type	LCD
USB version	2.0
USB ports quantity	1
File type	MP3/WMA/AAC
Number of optical discs	1 discs

Weight and Dimensions

Weight	1200 g
Dimensions (WxDxH)	178 x 180 x 50 mm