Philips LC4.3E Service Manual page 29

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Circuit Diagrams and PWB Layouts
SSB: Sync Interface
1
SYNC INTERFACE
B3
A
TO SIDE CONNECTORS
B
C
COL_HREF
D
H_DELAY 4438
RES
COL_VA
E
Vsync_SDTV 4439
RES
3139 123 6093.1
1
LC4.3E AB
2 3 4
+5VSW
+3V3STBY
6430
BZX384-C2V7
3431
1K0
I453
6431
1N4148
7430
I454
LED_SEL
PDTC114ET
0V
I430
3432 RES
3V1
3463
RES
+3V3SW +3V3SW
7436-4
7436-3
74LVC14APW 74LVC14APW
14 14
3458 3459
4440 5 6 9 8
100R 100R
7 7
+3V3SW +3V3SW
2449
7436-6 7436-5
100n
74LVC14APW 74LVC14APW
14 14
3461 3462
4441 13 12 11 10
100R 100R
7 7
2 3 4
7. 29
5 6
+3V3SW
3451
4K7 7436-1
74LVC14APW
3453
I443
HOUT 1
100R
ITV_IR_SW_RESET
+3V3SW
3455
I440 3
VSYNC
100R
H_1FH
V_1FH
5 6
7 8
4436
RES
14
3454
2 Hsync_SDTV
100R
7
4437
RES
7436-2
74LVC14APW
14
3456
Vsync_SDTV
4
100R
7
SC1_CVBS_RF_OUT
I449
I450
&
5431
I451
+12VSW
2447 2448
10p 10p
FOR ITV ONLY
7 8
It`s Free
1440 D9
9
1441 E9
2447 E8
2448 E9
B3
2449 E4
3431 A3
3432 B3
3451 A5
3453 B6
3454 B7
3455 C6
3456 C7
3458 D2
A
3459 D4
3461 E2
3462 E4
3463 C4
4436 A6
4437 B6
4438 D2
4439 E2
4440 D2
4441 E2
5431 E8
6430 A3
B
6431 B3
7430 B3
7436-1 A6
7436-2 C7
7436-3 D3
7436-4 D4
7436-5 E4
7436-6 E3
I430 B3
I440 C6
I443 B5
C
I449 D8
I450 D8
I451 E9
I452 E9
I453 B3
I454 B2
1440
1
2
3
D
4
5
7 6
BM05B-SRSS-TBT
1441
1
(NC) 2
I452 3
5 4
E
S3B-PH-SM4-TB
F_15270_013.eps
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