Front Ir / Led Panel - Philips LC4.1E AA Service Manual

Circuit Diagrams and PWB Layouts

Front IR / LED Panel

1870 B1 3801 B3 3805 D4 6801-1 B4 7802 C3
2801 C4 3802 A4 3806 D4 6801-2 B3 7803 B4
2802 C4 3803 C3 4806 E4 7801 B3 7804 C4
1 2
FRONT IR / LED
A
B
1870
1 F803
2
F804 IR
3
F805 LED_SEL
4
F802
+3V3STBY
5
F801 PC-TV-LED
6
C
D
E
3139 123 5836.1
1 2
LC4.1E AA 7.
7805 E4 F802 C1 F805 B1 I803 B3
7806 E4 F803 B1 I801 B3 I804 C4
F801 C1 F804 B1 I802 B4 I805 B4
3 4
+3V3STBY
3802
330R
I805
7801
BC857B
7803
I801
BC847B
I802
3801
I803
3K3
6801-1
6801-2
SPR-325MVW
SPR-325MVW
RED
GREEN
I806
+3V3STBY
7804
BC847B
3803
220R
I804
7802
3V5
3
VS
2802
2801
10u 6.3V 10u
3V5 1
OUT
2
GND
TSOP1836LL3V
+3V3STBY
3805 3806
100R 330R
I807
7805 7806
BPW34 BPW34
I808
FOR ITV
E_14520_021.eps
3 4
39
Layout Front IR / LED Panel (Top Side)
1870 A1 6801 A1
I806 B4
I807 D4
I808 E4
A
B
C
3139 123 5836.1
Layout Front IR / LED Panel (Bottom Side)
2801 A1 3801 A1 3803 A1
2802 A1 3802 A1 3805 A1
D
E
150904
3139 123 5836.1
7802 A1 7805 A1
E_14520_022.eps
150904
3806 A1 7801 A1 7804 A1
4806 A1 7803 A1
E_14520_023.eps
150904