Service manual

35 VDDA DC+9V for panel D/A reference voltage to make gray scale smooth
36 VDDA DC+9V for panel D/A reference voltage to make gray scale smooth
37 VDDA DC+9V for panel D/A reference voltage to make gray scale smooth
38 VDDA DC+9V for panel D/A reference voltage to make gray scale smooth
Pin No. Symbol Function
39 VDDA DC+9V for panel D/A reference voltage to make gray scale smooth
40 GND Ground
41 GND Ground
42 GND Ground
43 GND Ground
44 EPOL O/E reference voltage selection
45 HMS2_E Even pixel inverter for power saving and reducing EMI
46 HMS1_O Odd pixel inverter for power saving and reducing EMI
47 DHS_LP Latch pulse for per line
48 STH1 Trigger the first pixel per line
49 GND Ground
50 GND Ground
CON6 : Output to panel
Pin No. Symbol Function
1 GND Ground
2 GND Ground
3 VEEG DC-6V for frame dark
4 VEEG DC-6V for frame dark
5 VDDG DC+18V for frame white
6 VDDG DC+18V for frame white
7 CLKV Sampling Clock for frame line
8 STV1 Trigger the first line per frame
9 VDDD DC_3.3V for panel VCC
10 VDDD DC_3.3V for panel VCC
11 VDDD DC_3.3V for panel VCC
12 VDDD DC_3.3V for panel VCC
13 VDDD DC_3.3V for panel VCC
14 VDDD DC_3.3V for panel VCC
15 VCOM Panel flicker adjustment, Adjustable voltage from DC3.3V ~4V
16 VCOM Panel flicker adjustment, Adjustable voltage from DC3.3V ~4V
17 VCOM Panel flicker adjustment, Adjustable voltage from DC3.3V ~4V
18 VCOM Panel flicker adjustment, Adjustable voltage from DC3.3V ~4V
19 VCOM Panel flicker adjustment, Adjustable voltage from DC3.3V ~4V
ViewSonic Corporation
10
Confidential – Do Not Copy
VG500b