Hitachi 22LD3750DC Service Manual page 30

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