Panasonic TC-20LB30 Service Manual page 31

STBY3.3V
R1024 R1025
2.7k 2.7k
1003
E0000341
/STB 3.3V
C1022
D1002
10V
MAZ80620ML
1u
IIC-BUS
R1152 R1121
100 100
R1135
100
AF_PC_SYS
AF_PC_TXD
R1136 100
AF_PC_RST
R1137 100
AF_PC_RXD
R1138
100
C1016
50V
C1011
18p
10V
3.2
1
4.7u
0.1
R1141 2
100
3.2
3
0
R1017 4
NC
1k
3.2
C1014
5
RESET
0
16V
OP MODE 6
STOP_MODE
0.1u 3.3
7
TEST
0
8
R1010
YS
100
0
9
Surrund ON
1.6
10
NC
0
11
GLP_RST
R1009
3.0
R1012 12
0
H SYNC
100
ST 3.1
13
GC_RST
1.4
14
OSDXI
1.6
C1015 15
R1013
NC
16V 0.1u
0
4.8
R1014 16
SCL1
VIDEO_AGC
0
4.7
17
SDA1
YM
3.2
18 SCL0
3.2
19
1.4
R1016 20
0
1.4
R1020
21
150
R1022
3.3k
C1013
50V
3900p
OSDBM,OSDCLKM,OSDGM,OSDHM,OSDRM,OSDVM,OSDYMM,OSDYSM
MAIN5V
5.0
R1027
12k
2.1 Q1006
2SC584500L
4.9
C1039
R1028
2.4
Q1005 16V
10k
0.1u
2SC584500L
C1025
3.5
10V
R1023 R1026
1u
220 240 2.8
C1020 C1023 R1029
R1021
50V 50V
1M
1k
470p 560p
CC
41
32
IC1002
TVRN353
R1040
EEPROM
47k
SDA
VSS
Q1008
5 4
3.3 0
UNR521100L
SCL
3.2
E2
6 3
3.3 0
WC
E1
7 2 0
3.3 0
0
VCC
E0
8 1
3.3 0
C1026
16V
0.1u
R1038
100
R1030
2.7k
R1042
390k
R1048
0
63 10k
0
62
3.2
61
D1007
0.4
MA2J72800L
60
SBI
PC_TXD A_MUTE
3.2
59
BS_CN
NC SRQ
2.7
NC 58
PC_RST BS_ON
1.2
AGC_ADJ 57
3.2 R1053
56
LED(R)
0 7.15k
55
LED(G)
3.2
IC1001 54
KEY
1.7
53
ECO_AI
MN102H57KLF
3.2
52
INV_ON
0.8
51 R1051
A_TREBLE
MCU 10k
0
50
A_BASS
1.9
49
A_VOL
0
48
AGC_CONT
PC_FID_DET
3.0
47
Vpp PANEL_ON
0
OSD(B) CLH 46
SBI
3.2
45
3.1
44
R1047
100
0
43
C1031
R1043
16V
0
0.1u
SUB5V
R1045
18k
D1003
MAZ80430ML
C1029
R1151
6.3V
33k
47u
4.8
Q1007
2SC584500L
2.1
R1033
1k
OSDCLK
OSDHM
OSDV
OSDB
OSDYSM
OSDG
OSDYMM
OSDR
42
FOR
FACTORY USE
K1KA08A00138
C1046
50V
0.01u
AB_SS_NR_SW
R1064
100
R1056
100
AB_SUB_ON
AB_AGC_ADJ
R1057
100
R1058 C1032 AB_LEDR
100 50V 100p
AB_LEDG
AB_KEY
AB_ECO_AI
R1065
1k
AB_INV_ON
R1066
1k
R1067
100
R1059
100
R1061
100
AB_PANEL_ON
MAIN5V
R1087
R1074
0 11k
R1144
4.64k
R1077
R1088
4.7k 4.7k
R1146
4.7k
R1145
0
Q1013
UNR221500L
0
1.8
0
C1055
50V
0.01u
R1079
0
R1080
0 OSDH
R1081
0
R1082
0
R1086
0
OSDYS
R1085
0
R1084
0
OSDYM
R1083
0
TC-20LB30 A-Board (5 of 5) Schematic Diagram
43
A12
5.0
R1099 R1103
R1097
100 100
4.7k
R1098
4.7k
R1113
0
R1114
0
MAIN5V STBY3.3V
C930 C937
10V
10V
1u 1u
R1104
100
R1105
MAIN5V
0
R1107
R1110
11k 0
C1048
R1147
10V
4.64k
1u
R1093 R1094
100 100
R1095
0
C1040
10V
1u
Z009-0005
C1043
C1041
R1096
10V 16V
0
10u
1u
OSDCLKM
OSDVM
OSDBM
OSDGM
OSDRM
44 45