Hitachi 32LD8700C Service Manual page 42

VIDEO SWITCH TEA6415C
39p
C304
75R
IDTV/MMC/DVD_CVBS
R264
IC210
C274 C282
SC1_V_IN 1 INPUT1 INPUT8 20
N.C
220n 220n
16V 16V
R206
SDA 100R 2 DATA GND2 19
10k
R220
C260
N.C R226
3 INPUT2
SC2_V_IN OUTPUT6 18 100R
47p
220n
25V
16V C287 10k
R207 R221 R227
SCL 100R 4 CLOCK OUTPUT5 17 100R
10k
R222
TUN1_CVBS C265
5 INPUT3 OUTPUT4 16
N.C
220n
16V TEA6415C
C279
R230
N.C
AV1_V_IN 6 INPUT4 OUTPUT3 15 100R
220n
16V 10k
R223
S201
7 PROG
OUTPUT2 14
N.C
S200
VCC_8V
10k
CONNECT C288
R224 R1033
SVHS_Y_IN 8 INPUT5 OUTPUT1 13 100R
R201
220n
75R 16V 10k
R225
VCC_8V 9 VCC GND1 12
0 L20
R2001
100R
C275
10 INPUT6
INPUT7 11 TUN2_CVBS
220n
C291
16V
SC3_V_IN
R202
220n
75R 16V
CHROMA SWITCH
AV1_V_IN
BZT55C5V1
D215
1 N.C
SVHS_Y_IN
2 C263
39p
3 D217
220n
4 CIN
R232 C262
CIN
5 D216 75R
6
L202
AV_AUDIO_R_IN
7
8
L201
PL201
AV_AUDIO_L_IN
CHROMA_SW
EXTERNAL INPUT
C290
gnd
IC213
100n
16V
STBY_3V3
1 A0 VDD 16
SDA2
2 A1 SDA 15 330R
R255
SCL2
3 A2 SCL 14 330R
R256
CHROMA_SW 4 P0 INT 13
PCF8574
DISP_EN/PDWN P7 12
5 P1
RGB_SW2 6 P2 P6 11
RGB_SW1 7 P3 P5 10
gnd
8 VSS 4 9
PORT EXPANDER
No. 0210
TFT TV Service Manual
VCC_8V 4R7 V8
R229
Q200
BC848B
R235
75R CVBS_SVP
MAIN PICTURE
1k
TO SVP
R239
Q203
BC848B
R240
VxtoVPC
75R
GOES TO VPC3230
1k
FOR PIP PICTURE
R241
Q202 SELECTABLE VIDEO OUT
BC848B FOR SCART 2
R237
SC2_V_OUT
75R
1k
Q1004 R242
LVDS OUTPUT
BC848B R1046
75R SC1_V_OUT
R1045
1k
Q2000
BC848B
R2002
75R SC3_V_OUT
R2003
MMC_CVBS
1k
S635
BC848C
C245
R270 Q204 Q205
C246
100R BC848C
220n
16V
220n
16V
SVHSfromSC2_C
S633
C_SELECTED
R269
Q206
47k
BC848C
S634
PL200
15 DDC_CLK_PC
14
13
12 DDC_DATA_PC
11
10
DDC_5V
9
8
7 PGAGND
6
5 VGA_HSIN
LG_1/IRQPDP
4
3
RGB_SW3 75R
R208
2
75R
R209
1 75R
SW_ENABLE PGAGND
R210
PANEL_VCC_ON/OFF
D-SUB 15 PC INPUT & DDC CIRCUIT
MAIN BOARD - I/O CIRCUIT
PANEL_VCC
N.C
D2000
S640
BZT55C10
PL103
C2038
150p
50V
23
22 24
PL205
2
1 3
50V
150p
C252
S21 2
IDTV/MMC/DVD_CVBS
D214
BZT55C10
MMC/DVD
VIDEO INPUTS
1 MMC_CVBS
2
S213
3
4
MMC_B
5 MMC_R
6
MMC_G
PL1
IC211
R215
22R 1 1A VCC 14 VCCA_3V3
2 1Y 6A 13
R213
22R 3 2A 6Y 12
74LVC14A
4 2Y 5A 11
VGA_VSIN
5 3A 5Y 10
DDC_CLK_PC
R214
22R 22R VGA_VSIN
R238 DDC_DATA_PC
6 3Y 4A 9
7 GND 4Y 8
38
BZT55C10
D2003
BZT55C10
D2004 BZT55C10
BZT55C10 D2105 D2104
4n7
50V C2045
1n
4n7
C2040
C2044
C2042
1n
L2008
L2007
25 27 29 31 33 35 37 39 41
26 28 30 32 34 36 38 40 42
L213
4 6 8 10 12 14 16 18 20
L204
5 7 9 11 13 15 17 19 21
L208
1n
D2102
C296
BZT55C10
50V
4n7 C286
BZT55C10
C269 150p
D2500 50V
150p
R261 BZT55C10
75R
D224
C278
DIMMING SELECTION
S651
DVD_12V_SENSE
4k7 VCC_5V
R271
S652
VCCA_3V3
1N4148
VCC_5V
D20 0
1N4148
DDC_5V
D20 1
IC212
8 VCC NC1 1
NC2
7 VCLK 2
ST24LC21
NC3
100R 6 SCL 3
R218
SDA VSS
100R 5 4
R219
PC STAND-BY
BZT55C10
D221
330R
PL203
L203 R249
C284
SC2_AUDIO_R_OUT
4n7
L207 50V
SC2_AUDIO_R_IN
L209
R253
330R SC2_AUDIO_L_OUT
150p
C264 C277 BZT55C10
BZT55C10
D2103
1n
50V D223
C266
SC2_AUDIO_L_IN
L214
D203
4n7
PIN8_SC2
D205
SC2_B
D2100
75R R288 BZT55C5V1
D207 TV_LINK
75R
R289
75R R290 SC2_G
D208
SC2_R
S204
C2049
100n
SVHSfromSC2_C
S205
C293
150p 16V
75R SC2_FB
R275
75R
R276
D218
SC2_V_OUT
D211
SC2_V_IN
I2C BUFFER FOR PANEL
IC215
VCC_5V
SDA2 1 NC1 VCC 8
2 VCLK 7 SCL2
NC2
ST24LC 21
SDA_PANEL 3 NC3 SCL 6
SCL_PA NEL
4 VSS SDA 5
IC214
STBY_5V
1 Q1 VCC 16
2 Q2 Q0 15
R279
3 Q3 10k
DSERIAL 14
VGA_VSIN 4 Q4 OE 13
74HC595D
VGA_HSIN
5 Q5 STOP 12
6 Q6 SHCP 11
7 Q7
MR 10
8 GND Q7OUT 9
PC_STBY
Q207
BC848C
Q208
BC848C