Service manual

4-2 Main Board I/O Connections

P3 C

ONNECTION "INVERTER CONTROL"

Pin Description

1 N.C

2 CON

3 VEE

4 GND

5 VDD

ViewSonic Corporation

Confidential --Do Not Copy VG150m/mb

P5 CONNECTION "OSD CONTROL"

Pin Description

1 POW 1

2 GND

3 LED1

4 LED2

5 KEY1

6 KEY2

7 KEY3

8 KEY4

9 +

10 -

11 MUTE

4-3 Inverter Board I/O Connections

NOTE: MANUFACTURER’S NAME MUST BE ON THE PRINTED SIDE FOR THE INVERTER BOARD TO

BE FACING UP.

CON

VEE

GND

VDD

HV out

RTN

HV out

RTN

CN1

CN3

CN2

CN4

CN5