Ir-Led And Light Sensor Panel (26"& 32 - Philips LC4.31E Service Manual

Circuit Diagrams and PWB Layouts
IR-LED and Light Sensor Panel (26"& 32")
1870 B1 3802 A4 3808 E3 4806 E4 6801-2 B4
2801 D4 3803 C4 3809 E4 4807 E3 6802 E4
2802 D4 3804 B3 3810 E4 4808 D3 6803 C3
2803 E3 3805 C4 3811 E4 4809 D4 6809 D3
3801 B3 3807 E2 3812 D4 6801-1 B4 7801 B4
1 2
IR/LED/LIGHT-SENSOR
J
A
B
1870
LIGHT-SENDOR-SDM
1 F806
2
F803
IR
3 F804
4 F805 LED_SEL
5 F802
+3V3STBY
6 F801 PC-TV-LED
C
D
E
3807
RES
3139 123 6171.1
1 2
LC4.31E AA 7.
7802 C3 7808 E4 F805 C1 I804 C4
7803 B4 F801 C1 F806 B1 I805 A4
7804 C4 F802 C1 I801 B3 I806 B4
7805 B3 F803 B1 I802 B4 I809 E3
7807 E3 F804 B1 I803 B3 I810 E4
3 4
+3V3STBY
3802
330R
I805
7805
BC847B
7801
7803
BC857B
I801
BC847B
I803
6801-2
6801-1
3804 GREEN
3801
RED
3K3 0R SPR-325MVW
SPR-325MVW
I806
+3V3STBY 3805
7804
BC847B 0R
6803
BZX384-C3V9
3803
220R
I804
7802
3V5
3
VS
2801 2802
10u 10u
1
3V5
OUT
6.3V
6809
2
GND
+3V3STBY
RES TSOP34836LLIB
+3V3STBY
3812 220R
I810
(ITV ONLY)
3808 3810
7808
RES
BPW34 RES
7807
4806
RES
6802
I809
I811
RES
3809 3811
2803
2M2
1u0 RES
4807
G_16210_067.eps
3 4
EN 124
Layout IR-LED and Light Sensor Panel (26"& 32") (Top Side)
I811 E4 1870 A1 6801 A1
J
A
B
3139 123 6171.1
Layout IR-LED and Light Sensor Panel (26"& 32") (Bottom Side)
C
2801 A1 3802 A1 3807 A1
2802 A1 3803 A1 3808 A1
2803 A1 3804 A1 3809 A1
3801 A1 3805 A1 3810 A1
D
E
190106
3139 123 6171.1
7802 A1 7808 A1
G_16210_068.eps
190106
3811 A1 4808 A1 6803 A1 7804 A1
3812 A1 4809 A1 6809 A1 7805 A1
4806 A1 4815 A1 7801 A1 7807 A1
4807 A1 6802 A1 7803 A1
G_16210_069.eps
190106