Philips 170V8FB Service Manual page 23

1 2
DC-DC
A
+5V
R305
10K 1/16W
R307
51K OHM 1/16W
R308 4K7 1/16W
B Q301
PANEL_PWR
2N3904S-RTK/PS
C308
R304
10K 1/16W 1uF 16V
C
R309
+5V
PANEL_IDX
100R 1/16W
CN301
D
1
2
3
4
5
FB303
6
+12V
120OHM
7 +
C315
8
100uF/16V
9
CONN C316
0.1uF/25V
E
F
G
H
1 2
3 4 5
PANEL_VCC
+ R302 R303
C302
10uF/16V C303 330 OHM 1/4W 330 OHM 1/4W
0.1uF 16V
Q302
AO3401
C304
FB302
1uF 16V 120OHM
+5V
+3.3VCC
R312
1K 1/16W
R311
BRIGHTNESS
1K 1/16W
modify
1/8
+3.3VCC
C317 R314
0.1uF 16V 4K7 1/16W
R301
1K 1/16W
Q305
R316 4K7 1/16W
BL_CONTROL
2N3904S-RTK/PS
3 4 5
6 7 8
U303
NC
3 2
VI VO
U301
AP1117D33LA
+5V
+
C301
0.1uF 16V C305
100uF/16V
U304
AP1117E18LA
3 2
VI VO
U302
NC
+5V
D301
SM340A C311 +
0.1uF 16V C309
100uF/16V
6 7 8
HUDSON 8
9 10
CN301 D1
C301 B7
C302 A3
C303 A4
C304 B3
C305 B7
C306 B9
C307 B8
C308 B2
C309 E7
C310 E9
+3.3VCC
C311 E7
C312 E9
C315 D3
C316 E1
C317 D3
D301 E6
FB302 B4
+
FB303 D2
Q301 B2
C307 C306
Q302 B3
0.1uF 16V 100uF/16V
Q305 E4
R301 E4
R302 A4
R303 A4
R304 B1
R305 B2
R307 B2
R308 B2
R309 D1
R311 D4
R312 D5
R314 D3
R316 E4
U301 B8
U302 D8
U303 A8
U304 D8
+1.8VCC
+
C312
0.1uF 16V
C310
100uF/16V
9 10
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A
B
C
D
E
F
G
H
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