Philips 20PFL4122/93 Service Manual page 21

Scaler Board Schematic Diagram-lips&Inverter I/F
1 2
A
B
C
CN7201
1
2
3
4
5
6
7
8
9
10
11
63391 11P 2.0MM
D
For LIPS/PS
E
1 2
3
+5V
R7201
1K
R7202 10K
R7204 10K Q7201
2
7 BL_ADJ
BC847C
+5V
R7205
1K
R7206 2K2
R7208 10K Q7202
2
7 BL_EN
BC847C
FB7201
1 2
+16V
120R
C7205 C7206 C7213
0.1uF 0.1uF 470uF 25V
FB7202
1 2
+16V_AUDIO
120R
C7208 C7209 C7210
100uF 25V
0.1uF 0.1uF
FB7206
1 2
+12V_ITV
120R(NC)
C7211 C7212
0.1uF(NC)
0.1uF(NC)
R7209 47R
1 2
FB7203 120R
R7210 47R INVERTER_ON_OFF
1 2
FB7204 120R
R7211 47R
1 2
FB7205 120R
R7212 R7213
0R(NC) 10K
3
7.Circuit Diagrams and PWB Layouts
4 5
S-02
R7203 10R BRIGHT_ADJ
1U C7201 C7202
0.1uF
R7207 10R INVERTER_ON_OFF
C7203 C7204
1U(NC)
0.1uF
BRIGHT_ADJ
ITV_12V_SW 1,7
Date
4 5
6
OEM MODEL AS2 20PFL4122 MAIN BOARD
T2474-1-20PFL4122-0 70225 TPV MODEL
E207C2NOCWPHNS
02:LIPS & INVERTER I/F PCB NAME
715T2474-1
Sunday, February 25, 2007 Sheet 2 of 13
6
TPS 1.0A LA 21
7 8
CN7201 C2
A
C7201 A4
C7202 A4
C7203 B4
C7204 B4
C7205 C2
C7206 C3
C7208 C2
C7209 C3
C7210 C3
C7211 C2
C7212 C3
C7213 C3
FB7201 B3
FB7202 C3
FB7203 D3
FB7204 D3
B
FB7205 D3
FB7206 C3
Q7201 A3
Q7202 B3
R7201 A3
R7202 A3
R7203 A4
R7204 A3
R7205 B3
R7206 B3
R7207 B4
R7208 B3
R7209 D3
R7210 D3
R7211 D3
R7212 D3
C
R7213 D3
D
E
Size B
Rev 1
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