Sony CDX-GT40U Service Manual page 62

CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
2-2. SCHEMATIC DIAGRAM – KEY Board –
1 2 3
KEY BOARD
A
R998
FB902
1k
FB901
J901
AUX
R905
0 FB903
CN901
20P
USB_GND
1
USB_VBUS 2
B
D-
3
D+ 4
GND 5
KEY_GND
6
AUX_L 7
AUX_R 8
AUX_GND 9
MAIN
BOARD A RE_0 10
(3/5)
RE_1
11
CN102
KEY_1 12
(Refer to page
C
28 on original KEY_0 13
service manual)
SIRCS 14
DATA
LCD_DATA 15
CE
LCD_CE
16
CLK
LCD_CLK 17
ILL(FP+B) 18
PANEL_SW
19
GND 20
D
E
C916
1000p
CN902
4P
VBUS-USB
C915
D- 1000p
D+
GND-USB
(USB)
F
G
H
I
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
4 5 6
S901
R920
820
R942
0
S902
R921
1k
SOURCE
R944
/ OFF
*2
R940
*2
S903
R922
SEEK+
1k
S904
R923
1.2k
R950
*3
S905
R924
1.5k
R954
SEEK-
*3
S906
R925
1.8k
R946 R956
*3 *3
R948 R952 R958
*4 *4 *5
S907 R926
LED938,940,942,944
2.2k
MODE
(ILLUMINATION)
R970
2/ALBUM
*3
R966
*6
R968
*4
R972
*3
R927
R974 0
*5
*1 LED932,934,936,938,940,942,944,946,950,952,954
SML-D12P8WT86TK (AEP,RU,UK)
RE901
SML-D12V8WT86TN (EXCEPT AEP,RU,UK)
PUSH ENTER/
SELECT
R919
0
LSW912
AF/TA/
(AEP,RU,UK)
R918
(EXCEPT AEP,RU,UK)
0
R999
0
7 8 9
R901
IC902
150
PNJ4813M01S0
5 3 1
R902
LSW905
150
DSPL
/ SCRL
6 4 2
R980
*7 R991 C906
820
R982
*7
R908
120
5 3 1
R909
LSW906 120
6/PAUSE
6 4 2 R910
R992 R904
120
1k 1M
R961 Q905
1.5k RT1N140C-TP-1
C904
DIMMER
0.1
SWITCH
5 3 1
5.1
LSW907
5/ZAP Q901
0.1 RT1N140C-TP-1
6 4 2
LCD
BACK LIGHT
0.1
DRIVE
5.1
R993
1k
Q903
RT6N140C-TP-1
5 3 1
0.1 LED DRIVE
LSW908
R994
4/SHUF
1.2k
5.1
6 4 2
*2 R940,944
5 3 1
220 (AEP,RU,UK)
LSW909
820 (EXCEPT AEP,RU,UK)
3/REP
*3 R946,950,954,956,970,972
6 4 2
270 (AEP,RU,UK)
1k (EXCEPT AEP,RU,UK)
*4 R948,952,968
R995
R984
330 (AEP,RU,UK)
1.5k
*7
1.2k (EXCEPT AEP,RU,UK)
*5 R958,974
270 (AEP,RU,UK)
5 3 1
1.2k (EXCEPT AEP,RU,UK)
LSW910
*6 R966
330 (AEP,RU,UK)
6 4 2
1k (EXCEPT AEP,RU,UK)
*7 R980,982,984,986
R996
R986
100 (AEP,RU,UK)
1.8k
*7
150 (EXCEPT AEP,RU,UK)
*8 R988
150 (AEP,RU,UK)
220 (EXCEPT AEP,RU,UK)
*9 R990
5 3 1
180 (AEP,RU,UK)
LSW911
220 (EXCEPT AEP,RU,UK)
1/ALBUM
6 4 2
R997
R988
2.2k
*8
5 3 1
PTY
6 4 2
PTY
R990
*9
4 4
10 11 12
48 47 46 45 44 43 42 41 40 39 38 37 36
R903
100
S[4]
2.6
49 SEG4
S[3] 2.6
50
SEG3
COM[4] 2.6
51 COM4
COM[3]
2.6
IC902 52 COM3
COM[2] 2.6
0.1
53
COM2
REMOTE CONTROL COM[1]
2.6
54 COM1
SIGNAL RECEIVER
S[2] 2.6 IC901
R976
55
SEG2
0
5.2
IC901
56 VDD
C902 0.1 PT6587-LQ
3.4
C903 57 VDD1
LCD CONTROL
C901 0.1 1.7
0.1
58
VDD2
59 VSS
S[1] 2.6
60
SEG52
4.8
61 INH
CE R915 470
0.1
62 LCD_CE
0.47 CLK R916 3.3
470
63
LCD_CLK
DATA 0.2
64 LCD_DATA
R917
470
DIMMER
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)"
on page 4 on original service manual, if replacing CN902 and J901.
13
35 34 33
S[21]
2.6
SEG21 32
2.6 S[22]
SEG22 31
2.6 S[23]
SEG23 30
S[24]
2.6
SEG24 29
2.6 S[25]
28
SEG25
S[26]
2.6
SEG26 27
2.6 S[27]
SEG27 26
2.6 S[28]
SEG28 25
S[29]
2.6
SEG29 24
2.6 S[30]
23
SEG30
2.6 S[31]
SEG31 22
2.6 S[32]
SEG32 21
2.6 S[33]
SEG33 20
S[34]
2.6
SEG34 19
2.6 S[35]
18
SEG35
2.6 S[36]
SEG36 17
COM[1]
LCD901
COM[2]
LIQUID
COM[3]
CRYSTAL
DISPLAY COM[4]
PANEL
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[11]
S[10]
S[9]
S[8]
S[7]
S[6]
S[5]
S[4]
S[3]
S[2]
S[1]