DOWNLOAD Sony CDX-GT440U / CDX-GT444U / CDX-GT447UE Service Manual ↓ Size: 1.93 MB | Pages: 40 in PDF or view online for FREE

Model
CDX-GT440U CDX-GT444U CDX-GT447UE
Pages
40
Size
1.93 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt440u-cdx-gt444u-cdx-gt447ue.pdf
Date
PREV: Sony CDX-GT740UI / CDX-GT747UI / CDX-GT790UI Service Manual

Sony CDX-GT440U / CDX-GT444U / CDX-GT447UE Service Manual ▷ View online

CDX-GT440U/GT444U/GT447UE
CDX-GT440U/GT444U/GT447UE
21
21
4-7.  PRINTED  WIRING  BOARDS  – KEY Section  –
•  
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
A
MAIN BOARD 
CN403
Z
PTY
(US)
(AEP,UK,RU)
2/ALBM +
1/ALBM –
AF/TA/PTY
. m
SEEK–/
M M=
/SEEK+
CN902
(USB)
RE901
PUSH ENTER/
SELECT
(VOLUME)
1-880-412-
1-880-412-
1-880-413-
(11)
11
(11)
11
(11)
11
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LCD BACK
LIGHT
6/PAUSE
DSPL/SCRL
5/DM+
4/SHUF
3/REP
MODE
(RING ILLUMINATOR)
LED924,925,928,929
LED912,S905
(ILLUMINATOR)
LED907,932
(ILLUMINATOR)
LED909,934
LED914,S902
LED903,S901
SOURCE/OFF
LED910,S903
LED919,S904
LED921,S906
J901
AUX
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LSW913
ZAP
LED916,S907
IC902
LED901
DISC SLOT
INDICATOR
LED905
1
5
6
4
IC902
1
16
17
32
33
48
64
1
19
2
20
FB902
FB903
FB901
W001
W002
W003
BRN
RED
ORG
BRN
RED
ORG
IC901
1
52
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LSW913
LED901
LED903
LED905
LED910
LED912
LED914
LED916
LED919
LED921
LED924
LED925
LED928
LED929
LED932
LED907
LED909
LED934
CN902
R922
R923
R924
R929
R930
R935
R948
S901
R962
S902
S903
S904
S905
S906
R967
S907
R974
R975
RE901
B C E
E C B
49
R899
Q901
Q907
L901
VDR900
VDR901
R900
R904
R905
R906
R907
R908
R909
R910
R911
R914
R915
R916
R917
R918
R919
CN901
R920
R921
R925
R926
R928
R931
R933
R934
C901
C902
C903
C904
R942
C906
R943
C909
R945
R946
R949
C910
C911
C912
R952
R953
R958
R959
R963
R966
R932
R970
R971
R976
R977
R983
R984
R985
R989
R990
R991
R998
R999
D901
D902
D906
D907
D908
D909
D910
D911
D912
W004
W005
W006
2
3
4
1
(Page 17)
CDX-GT440U/GT444U/GT447UE
CDX-GT440U/GT444U/GT447UE
22
22
4-8.  SCHEMATIC  DIAGRAM  – KEY Section  –
C
8
6
G
7
H
13
11
10
12
E
B
5
1
4
I
2
F
9
J
A
D
3
BOARD
MAIN
A
CN403
(3/3)
5.1
5
5.1
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.1
3.4
1.8
2.6
2.6
0.3
3.2
3.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.1
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
0.3
0.3
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
(GT440U)
(GT444U/GT447UE)
(GT444U/GT447UE)
(GT440U)
(GT440U)
(GT444U/GT447UE)
*
1
*
1
*
1
*
1
(GT444U/GT447UE)
(GT440U)
(GT444U/GT447UE)
(GT440U)
(GT444U/GT447UE)
(GT440U)
(GT444U/GT447UE)
(GT440U)
(US)
(AEP
,UK,RU)
*
2
*
5
*
2
*
5
*
3
*
3
*
2
*
2
*
2
*
2
*
2
*
3
*
3
*
2
*
2
*
6
*
6
*
7
*
7
*
4
*
4
*
4
*
4
*
4
*
4
*
4
*
3
*
2
*
5
*
6
*
7
*
1
KEY BOARD
JACK BOARD
IC901
IC902
VCC
OUT
GND1
GND2
RS-470
IC902
NESW505CT-AST
LED901
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
17
18
19
20
21
22
29
28
27
26
25
24
23
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
LC75829PWH-US-H
IC901
LCD DRIVER,LED CONTROL
BACK-LIGHT
DIMMER
COLOR
BLINK
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG1
1
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
COM4
COM3
COM2
COM1
SEG2
VDD
VDD1
VDD2
VSS
SEG52
INH
LCD_CE
LCD_CLK
LCD_DATA
MA2J1
110GLS0
D901
D902
MAZ8051GMLS0
C901
0.1
C902
0.1
1M
R904
C904
0.47
C906
0.1
R906
150
R907
150
R905
100
MAZ8180GMLS0
D906
RE901
R920
820
R921
1k
R922
1k
R923
1.2k
R924
1.5k
R925
1.8k
2.2k
R926
R928
820
R929
1k
R930
1k
R931
1.2k
R932
1.5k
R933
1.8k
R934
2.2k
R908
220
R909
220
R910
220
R911
1.2k
R963
R966
R967
R970
R971
0.1
C903
0
R914
LED903
R990
R991
R989
150
MAZ8068GMLS0
D907
MAZ8068GMLS0
D908
MAZ8068GMLS0
D909
MAZ8068GMLS0
D910
MAZ8068GMLS0
D912
3
1
2
4
L901
MAZ8068GMLS0
D91
1
0
R918
0
R919
100
R915
100
R916
100
R917
VDR900
VDR901
LCD901 LIQUID CRYSTAL DISPLAY PANEL
1
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
52
2
4
49
51
3
50
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20P
CN901
GND
USB_VBUS
GND
USB_GND
KEY_GND
USB_D+
AUX_LCH
USB_D-
KEY1
AUX_RCH
RE1
AUX_GND
RE0
KEY0
LCD_CE
SIRCS
LCD_CLK
LCD_DATA
ILL_+B
PANEL(NOSE_SW)
R935
3.3k
R962
C910
100p
C911
100p
C909
100p
C912
0.1
R942
R943
R949
R948
LED912
LED910
LED914
R952
R953
LED916
LED919
LED921
R959
R958
R984
R985
R983
LED905
LSW91
1
LSW907
LSW910
LSW913
LSW912
LSW906
LSW909
LSW908
S907
S902
S901
S903
S904
S906
S905
LED925
LED928
R977
R976
R974
LED929
LED924
R975
R998
0
R945
10
R946
10
1
2
3
4
CN902
6P
RT1N140C-TP-1
Q901
RT1N140C-TP-1
Q907
LED DRIVER
LED934
R900
LED932
R899
LED909
LED907
0
R999
LSW905
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
J901
FB901
FB903
FB902
DATA
CLK
CE
CE
CLK
DATA
S[1]
S[2]
COM[1]
COM[2]
COM[3]
COM[4]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
COM[1]
COM[2]
COM[3]
COM[4]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
S[36]
S[35]
S[34]
S[33]
S[32]
S[31]
S[30]
S[29]
S[28]
S[27]
S[26]
S[25]
S[24]
S[23]
S[22]
S[21]
S[20]
S[19]
S[18]
S[17]
S[16]
S[15]
S[14]
S[13]
S[12]
S[1
1]
S[10]
S[9]
S[8]
S[7]
S[6]
S[5]
S[4]
S[3]
S[2]
S[1]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
AUX_LCH
AUX_RCH
AUX_GND
AUX_GND
AUX_RCH
AUX_LCH
W006
AUX
W002
W003
W005
W001
W004
6
5
VBUS-USB
D–
D+
GND-USB
(USB)
CN902
(DISC SLOT
 INDICA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
SEEK–/
/SEEK+
ZAP
SOURCE/OFF
ROTARY
ENCODER
PUSH ENTER/
SELECT
(VOLUME)
SOURCE/OFF
/SEEK+
SEEK–/
ZAP
6/P
AUSE
DSPL/SCRL
5/DM+
4/SHUF
3/REP
2/ALBM +
1/ALBM –
PTY
MODE
SIGNAL RECEIVER
REMOTE CONTROL
3
1
2
4
(LCD BACK LIGHT)
LCD BACK LIGHT
DIMMER CONTROL
LED924,925,928,929
(RING ILLUMINATOR)
LED903,905,907,909,910,
912,914,916,919,921,924,
925,928,929,932,934
SML-310VTT86TJ
SML-310PTT86TK
R899,942,948,952,958,974,976,983
150
270
R900,943,949,953,959
100
180
100
150
R962,963,966,967,970,971
R975,977
270
180
220
R984,985
180
180
R990,991
150
AF/T
A/PTY
(Page 20)
CDX-GT440U/GT444U/GT447UE
23
•  IC Block Diagrams
IC301  TDA8588AJ/N2/R1 (CDX-GT440U: US/GT447UE) (MAIN Board (1/3))
IC301  TDA8588AJ/N2/R1/M5 (CDX-GT440U: AEP, UK, Russian/GT444U) (MAIN Board (1/3))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
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
MECH-6V
VP
BU+B
I2C_SIO
I2C_SCK
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
CDX-GT440U/GT444U/GT447UE
24
IC501  TPS40200DRG4 (MAIN Board (2/3))
IC502  TC7WH123FU(TE12R) (MAIN Board (2/3))
1
2
RC
GND
DRV
ISNS
VCC
SS
3
COMP
4
FB
SOFT-START
AND
OVERCURRENT
700mV
ENABLE E/A
E/A AND SS
REFERENCE
7
8
6
5
UVLO
OSC
PWM
LOGIC
DRIVER
8
VCC
7
RX/CX
6
CX
5
Q
1
A
2
B
3
CLR
4
GND
1
2
3
5
4
CONT
GND
NOISE
VIN
VOUT
OVERHEAT &
OVERCURRENT
PROTECTION
BAND GAP
REFERENCE
CONTROL
CIRCUIT
IC402  TK11133CSCL-G (MAIN Board (1/3))
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