Schematic Diagram - Lcd Section (3/3) - Sony XAV-A1 Service Manual

XAV-A1
5-30. SCHEMATIC DIAGRAM – LCD Section (3/3) –
+7V REGULATOR
+14V
DIMMER
* For the parts on the SUB board,
replace the entire mounted board. LIGHT
RESET1
+5.0V1
(Page 53)
+5V REGULATOR
IC1034
TA78L05PF
I O
C1134 C1135
G G
0.1 10
G G
G G
C1106 C1129 C1128 C1127
22 22 22 22
C1107
22
XAV-A1
• See page 60 for Waveforms. • See page 62 for IC Block Diagrams.
(3/3)
L1008
+7.0V
GND
+14V
C1086
22
C1068
L1010 0.1
C1071
4.7
C1074
0.1
C1073 1
R1079
4.7k
R1062
2.2M
C1075 C1076
22
C1077
0.1
R1206
4.7k
R1162
10M
C1079
0.01
L1011
22
DC/DC CONVERTER
IC1014
BD9778HFP
C1110 R1111 R1114
4700p 150k 1k
U2
R1112 (+5.4V)
22k
C1126
R1108 C1109
C1108
22
390k 0.1
10
SVR1001
10K
VOLTAGE
(+5.4V)
DZ1005 L1013
RSX101M-30
33µH
C1111 C1112
22 22
R1197
F1001
2A/125V
L1017
DZ1003 R1086
UDZS5.1B 10k
C1087
22
C1085
0.047
C1070
C1069
0.1
1 L1009
INVERTER CONTROLLER L1019
IC1009
OZ964
R1085
R1011
0
10k
C1084
220p
R1084
180k
R1024
1M
R1083
1 68k
C1083
0.01
R1080 R1089
33k 0
R1081
0
C1078
1500p R1077 R1078
560k 43k
C1082 DZ1004 R1082
UDZS5.1B 10k
0.047
C1173
L1014 R1115
150
10µH 4.7
6.3V
C1174
C1130 C1113 C1114
150
22 22 1
6.3V
54 54
75
IC1033
R1188
TK15452V
1.2k R1194
1.2k
+INPUT 2
C1149
GND
12p
–INPUT 2
C1150
OUTPUT 1
12p
OUTPUT 2
R1148
–INPUT 1
1k
VCC
+INPUT 1
OUTPUT 3
GND
–INPUT 3 R1196
STANDBY 3.9k
+INPUT 3
R1187 C1148
VCC
1.2k 12p
R1146
1k
R1189
3.9k
R1147
1k
R1186
3.9k
R1183 R1184 C1146 C1147 C1151 R1185
3.3k 3.3k 10 0.1 10 3.3k
VIDEO AMP
SWITCHING REGULATOR
PT1001
Q1004
INVERTER
FDC6333C
C1090
2.2 TRANSFORMER
1 4
1G 1D
2S 1S
2 3
2G 2D
C1117 D1008
2.2 1SS226
C1088
10
R1093
12k
C1089 R1058
10 100k
R1088 R1091
R1090
1.5k 100k
2.2k
SWITCHING REGULATOR
PT1002
Q1005
INVERTER
FDC6333C
TRANSFORMER
1 4
1G 1D
C1118
2S 1S
12p
2 3
2G 2D
D1009
1SS355
R1087 C1080
1M 1
+5.4V
+5V
GND
(Page 52)
+5V
GND
(Page 53)
VG
VR
VB
(Page 52)
VB1
VG1
(Page 53)
VR1
AGND
CN1004
2P
C1093
12p
D1007
1SS226
R1092 R1163
8.2k 180