Philips PET831 Service Manual page 45

5
D
(14)
(14)
C
(14) CP2_N
(14) CP2_P
(14) REF_PWM
B
VCOM
GND
(14) VCOMOUT
A
5
4
VGH
VCC5 R326 D18
0/J/0402 BAT54
C313
0.1U/16V/0402
GND
CP1_N
CP1_P
VGL
D22 D21
BAT54 BAT54
GND
OP1
R287
R425 12K/F/0603 VCCP_VCOM
4.7K/F/0603
U11
3308
C380 R428
1
OUT1 V+
10U/16V/1206 4.7K/F/0603
2
IN1- OUT2
3
IN1+ IN2-
4
VCC_N4_5
GND IN2+
R431
100K/F/0603
GND
4
3
R320
D23 10K/F/0402
BAT54
C302 C299
10U/16V/1206 0.1U/16V/0402
R327
D20 15K/F/0402
BAT54
C317 C312
10U/16V/1206 0.1U/16V/0402
GND
C379 R424
10U/16V/1206 0/J/0603
VCOM
R426
4.7K/F/0603
L14 VCC5
0.4A/80OHM/0805
8 2 1
FB0805
7
6
R430 4.7K/F/0603
5
VCOMDC (14)
3
2
10mil
VCC15_VGH
R319
220K/F/0603
CP1_FB (14)
R321 C311
20K/F/0603 0.1U/16V/0402
GND
10mil
VCCN10_VGLOUT
R323
270K/F/0603
CP2_FB (14)
C301
R318 0.1U/16V/0402
30K/F/0603
VCOM (6)
R427
560/F/0603 R429
4.7K/F/0603
GND
Title
LCD VGL,VGH,VCOM
Size Document Number
B
WDR831
Date: Thursday, December 13, 2007
2
1
D
C
B
A
Rev
C
Sheet 21 of 27
1