Panasonic TC-20LB30 Service Manual page 29

R934
0
C927 R930
0
1k
AB_INV_ON
01
G00006
R912
1V
0
<
IC902
R936
1k
C0DBEZE00005
R913
C908
1.65k R914
MAIN 3.3V
10V
1k
1u
JS905
0
IC903
0CBAYF00004
9.0
R926
2
SUB 9V 160
OUT
11.0 7.8
ADJUST
3 1
IN
R927
C936
1k
09 50V C911
V 10u 16V
1u 0.1u
JS906
0
AB_DCC_B0
AB_DCC_B1
6
AB_DCC_B2
R4297
0
32
31
1 4
2 3
L903
G1BYYYJ00004
SUB5V
C0DBEZE00005
MAIN3.3V
C910
R916
C914
16V 453 R917
10V
100u 1k
1u
JS907
0
TV-ON
SUB9V
IC907
C0DBEZE00005
MAIN 5.0V
C913
16V
100u
D913
B0ECKM000003
C938
10V R943
R944
1u 3k
1k
33
TO
POWER UNIT
(CN2)
A9
K1KB19A00005
R933
0
C924
C923
50V
16V
330u
330u
IC904
MAIN 1.8V
C915
16V
100u
JS910
0
C939
10V
1u
R065
0
AB_LCD_B7
AB_LCD_B6
AB_LCD_B5
AB_LCD_B4
AB_LCD_B3
AB_LCD_B2
AB_LCD_B1
AB_LCD_B0
AB_LCD_G7
AB_LCD_G6
AB_LCD_G5
AB_LCD_G4
AB_LCD_G3
AB_LCD_G2
AB_LCD_G1
AB_LCD_G0
AB_LCD_R7
AB_LCD_R6
AB_LCD_R5
AB_LCD_R4
AB_LCD_R3
AB_LCD_R2
AB_LCD_R1
AB_LCD_R0
AB_LCD_VS
AB_LCD_CLK
TC-20LB30 A-Board (4 of 5) Schematic Diagram
34
R9076 R9077
0
0 0 R9041
EXB38V101JV
R063 3.2
0
3.2
4.8
4.8
4.8
4.8
3.1
3.1
3.1
3.2
3.2
0
0
0
OUT4
IN4
0.8
FL9001 OUT3
IN3
1.4
J0HAAB000027
IN2 OUT2
1.1
IN1 OUT1
0
0.3
IN4 OUT4
0.3
FL9002
IN3 OUT3
0.3
J0HAAB000027
OUT2
IN2
0.1
OUT1
IN1
0
0.4
IN4 OUT4
0.4
FL9003 IN3 OUT3
0.4
J0HAAB000027
IN2 OUT2
0.6
IN1 OUT1
0
1.1
OUT4
IN4
1.1
FL9004 IN3 OUT3
1.2
J0HAAB000027
IN2 OUT2
0
IN1 OUT1
0
1.4
IN4 OUT4
2.3
FL9005 OUT3
IN3
0.7
J0HAAB000027
OUT2
IN2
0.9
IN1 OUT1
0
1.0
IN4 OUT4
1.1
FL9006 IN3 OUT3
1.3
J0HAAB000027
IN2 OUT2
1.5
OUT1
IN1
0
0
R9073
0
3.2
3.2
R9074
0
0
R9075 1.5
0
R9071
0
A15
35
51
MAIN3.3V
52
53
54
AB_MAIN_SW
55
56
50
GND
49
U/D
48
L/R
47
VDD
46
VDD
45
VDD
44
VDD
43
42
41
40
39
38
GND
37
GND
36
B7
35
B6
34
B5
33
B4
32
GND
31
B3
30
B2
29
B1
28
B0
27
GND
26
G7
25
G6
24
G5
23
G4
22
GND
21
G3
20
G2
19
G1
18
G0
17
GND
16
R7
15
R6
14
R5
13
R4
12
GND
11
R3
10
R2
9
R1
8
R0
7
GND
6
ENB
5
VS
4
HS
3
GND
2
CK
TO
1
GND LCD PANEL
57
58
36