Hitachi 22LD3750DC Service Manual page 30

SOFTWARE UPDATE
BACK AV/SIDE VE YPBPR
2
SIDE_PR1
3
JK102
1
2 BC848B
SIDE_PB1
3
JK105
1
R139
1 100R 2 SIDE_Y1
F133 R211 CVBS_IN
2
1 2 1 100R 2
3
600R
JK109 C466
1
2
100p
1
50V
AUDIO LINE-OUT & SPDIF
F135
2
1 2
PCIL JK101
3 600R
JK103
C420
1
2
4n7
1
50V
PC VE FAV AUDIO IN
F136
2
1 2
PCIR
3
600R
JK106 C421
1
2
4n7 JK104
1
50V
S162
1 2
EE_WP
3
R505
Q187
VCTI_PROG_EN 2
1 10k 2
BC848B
1
PC CONNECTOR
15 PC_SCL
14
VGA_VS
13
VGA_HS
12 PC_SDA
11
10
9
VGA_5V
8
7
6
5
C106 C107 C108
2 2 2
4
12p 12p 12p
1 1 1
50V 50V 50V
R203
3 1 2
100R VGA_B
R204
2
1 100R 2 VGA_G
R205
1 1 100R 2 VGA_R
+5V
CN111
3 3 3
No. 0249
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C12V
R159
2 1
VCTI_PROG_EN VCTI_PROG_EN D140
1 10k 2
HWSDA HWSCL
3 1 3 1
Q116 Q115
Q113 Q114
2 2
2 2
BC848B BC848B BC848B
1 3 1 3
RX-DATA TX-CLOCK
R309 R308
+5V +5V
1 10k 2 1 10k 2
SPDIF_OUT
F130 R135
2
1 2
1 680R 2 LINE_OUT_L
3 600R
C416 C349
1
2 2
4n7 150p
1 1
50V 50V
R520
1 2
680R LINE_OUT_L
F129
R136
2
1 2
1 680R 2 LINE_OUT_R
3
600R
C417 C350
1 2 2
4n7 150p
1 1
50V 50V
SCART CVBS OUT
+8V
C174
2
100n
1
16V
1
BC858B
Q158
2
3
3
Q112
IF_CVBS_OUT
2
BC848B
1
R130 R411
1 2 1 2
910R 75R SC_V_OUT
C458
2
47p
1
50V
PC DDC EEPROM S113
1 2
+5V
C173
1 2 3
100n
16V
VGA_5V
3 3
1 8
A0 VCC
U691
S163
2 7
A1 WP 1 2
VGA_VS
ST24LC21
R260
3 6
A2 SCL
1 220R 2 PC_SCL
R261
4 5
GND SDA 1 220R 2 PC_SDA
S164
EE_WP
1 2
Input and Output
+5V
TDM_Y
C347
21
2
150p
1
50V R206
20
1 100R 2 SC_V_IN
19
SC_V_OUT
C12V D131
C348
18
2
2 1
150p
2 1
1 50V D103
R210 C5V1
17
1 100R 2 SC_FB
R109
16
1 75R 2
15
2 1
C5V1
D132 R207
1 2
100R SC_R
S111
14
1 2
VCTI_PROG_EN C123 R110
2
1 2
R492 27p 75R
13
1
1 2 50V
75R TX-CLOCK
D134 C5V1
12
1 2
2 1
C5V1 C5V1 D133 R208
11
D135 1 100R 2 SC_G
2 1
R491 R111
C122
10
2
1 75R 2 RX-DATA 27p 1 75R 2
1
50V
9
SC_PIN8
C172
8 2 1
2
D104
100n
1 16V C12V C5V1
7
2 1
F125 D130 R209
6
1 2
SC_IN_L 1 100R 2 SC_B
600R
R107
C413 C121
5
2 2
4n7 27p 1 75R 2
1 1
50V 50V
4
F126
R133
3
1 2
1 680R 2 SC_L_OUT
600R
C414 C345
2
2 2
4n7 150p
1 1
50V 50V
1
F127
1 2
SC_IN_R
600R
C412
2
4n7
1
50V
F128
R134
1 2
1 680R 2 SC_R_OUT
600R
C415 C346
2 2
4n7 150p
1 1
50V 50V
C124
2
DVB_IN_R
R412 27p CN122
F107 1 50V
1 75R 2
C103
1 2 1
600R
TDM_PR
TP117
C125
1 2 1
2
DVB_IN_G/Y
R413 27p 2
220n
1
1 75R 2 50V
10V
C104
3
TP118
C126
1
1 2
2
10k DVB_IN_B/C 4
R414 27p
2 1 220n
1
R132 1 2 50V
75R
10V
C105
5
TDM_PB TP119
C127
1 2 1
2
6
R415 27p
220n
1
1 75R 2 50V
10V
DVB_IN_CVBS
7
TP120 R296
1
1 1k2 2 8
R202 1 TP121
DVB_L_IN 1 2 9
100R
R201
DVB_R_IN 1 2 10
100R
TP122
R297 1
11
1 1k2 2
12
S112
AGC_DVB 1 2
13
SILENCE
14
R172
+3V3 1 2
4k7
GPIO_2 15
R173
+3V3 1 2
4k7
MUTEPORT 16
R174
+3V3
1 4k7 2
17
TP123
1
TV_RXD
18
IDTV & TDM CONNECTOR
TV_TXD
19
SCALER A YAKIN OLMALI
TP124
1
IRQ 20
TP125
1
21
22
TP126
1
SDA_DVB
23
SCL_DVB
24
TP127
1
DVB_IF1
DVB_IF2
DVD_SENSE
R164
+3V3
1 3k9 2
C130 R418
2
27p 1 75R 2
1
50V R216
DVD_CVBS
1 100R 2
TP131 R416
C128
1
2
27p 1 75R 2
1
50V R213
DVD_C 1 2
100R
TP129
1
S114
1 2
C129 R417
2
27p 1 75R 2
1
50V R212
DVD_Y
1 100R 2
TP130
1
R310
+3V3 1 2
10k
R215
3
DVD_R_IN
R490 1 100R 2
Q111
DVD_IR_ON/OFF 2 TP133
1 10k 2 C423
1
BC848B 2
4n7
1 1
50V R214
IR DVD_L_IN
1 100R 2
TP132
C422
1
2
4n7
1
50V
R506
DVD_L_IN 1 2
10k
R507
DVD_R_IN
1 10k 2
TDM_GND0
CN104
1
2
3
CN120
1
2
12
11
10
9
8
7
6
5
4
3
2
1
CN121