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9. KEY CIRCUIT DIAGRAM
Q901 is defective
Key S/W voltage abnormal
TACK SW - TSM147AJ
KEY PANEL CONNECTOR
TACK SW - TSM147AJ
3854R18128A
KEY
NAVIGATION
WAKEUP
LCD_MUTE
KEY_S
SP_L-
VIDEO_C
VIDEO_IO_CON
SP_R-
SP_L+
SP_R+
VIDEO_Y/CVBS
E+5V
E+5V
E+5V
SW904
TITLE
1
3
2
4
R931
4.7K
GT905
GT924
SW910
RIGHT
2
3
1
4
R909
4.7K
GT911
TP908
B912
BEAD
CON903
CON_KEY40
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
13
40
14
12
11
10
9
8
7
6
5
4
3
2
1
GND8
GND7
LCDPWR1
LCDPWR2
LCDPWR3
-5V
+7V
-10V
+15V
LCD_SIZE
NC2
NC1
VIDEO_IO_CON
GND6
VIDEO_Y/CVBS
GND5
VIDEO_C
GND4
LCD_MUTE
GND3
GND2
GND1
SP2_R
SP1_R
SP2_L
GND10
SP1_L
GND9
NC3
KEY_M
NEVIGATION
NC4
NC5
NC6
NC7
WAKEUP
GND11
GND12
E+5V1
E+5V2
GT913
D909
UDZS16B
D910
UDZS16B
SW907
LCD_MODE
1
3
2
4
GT906
L901
10UH
SW905
MENU
1
3
2
4
GT918
GT925
B907
BEAD
R904
22K
TP903
TP909
R925
10K
CON901
CON_KEY12
1
2
3
4
5
6
7
8
9
10
11
12
GND2
GND1
LCDPWR3
LCDPWR2
LCDPWR1
-5V
+7V
-10V
+15V
MODE1
MODE2
MODE3
GT919
D905
STZ6.8N
1
2
3
1
2
3
TP922
B909
BEAD
B911
BEAD
TP902
GT907
R903
220K
R908
2.7K
TP910
R921
0
C
9
03
0.1U
R922
15K
C906
10U/10V
GT914
GT920
C902
0.1U
GT908
GT902
TP911
B913
BEAD
TP920
B903
BEAD
R920
0
R923
39K
R907
1.3K
TP917
D906
STZ6.8N
1
2
3
1
2
3
TP916
C905
10U/10V
B914
BEAD
GT901
R906
2.7K
R932
9.1K
D907
OPEN
1
2
3
1
2
3
B904
BEAD
TP921
R930
2.7K
R928
2.7K
TP904
GT929
TP905
B915
BEAD
SW912
ENTER
2
3
1
4
GT921
B905
BEAD
B906
BEAD
GT915
GT909
B910
BEAD
SW901
POWER
1
3
2
4
CON902
CON_KEY14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VIDEO_IO_CON
GND6
VIDEO_Y/CVBS
GND5
VIDEO_C
GND4
LCD_MUTE
GND3
GND2
GND1
SP2_R
SP1_R
SP2_L
SP1_L
L902
10UH
TP906
C907
0.1U
GT922
R905
10K
TP923
R902
22K
SW902
AV_IN
1
3
2
4
C901 0.1U
Q902
KTA1504S
1
2
3
TP919
Q901
KTC3875
1
2
3
B902
BEAD
GT903
TP901
TP907
GT916
R901
100K
GT904
GT923
C904 0.1U
SW909
UP
2
3
1
4
SW903
SET_UP
1
3
2
4
GT926
B901
BEAD
R929
1.3K
GT927
SW908
DOWN
2
3
1
4
D908
STZ6.8N
1
2
3
1
2
3
R910
9.1K
TP924
SW911
LEFT
2
3
1
4
SW906
DISPLAY
1
3
2
4
GT917
Summary of Contents for DVP7772
Page 28: ...3 7 3 8 LCD CIRCUIT DIAGRAM LCD1 CIRCUIT DIAGRAM ...
Page 29: ...3 9 3 10 LCD2 CIRCUIT DIAGRAM ...
Page 30: ...3 11 3 12 LCD3 CIRCUIT DIAGRAM SR14121A ...
Page 32: ...3 14 3 15 LCD P C BOARD LOCATION GUIDE LOCATION GUIDE ...
Page 33: ......
Page 50: ...3 60 3 61 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE LOCATION GUIDE ...
Page 51: ...2 KEY P C BOARD LOCATION GUIDE LOCATION GUIDE 3 62 3 63 ...