Sony VPL-ES4 Service Manual page 20

1
OSD flicker ?
No
Color temp wrong ?
No
Picture has
Vertical bar ?
No
IR remote control
No good ?
No
Audio function is
No good ?
3-2
Yes
Please alignment V-com again.
Yes
Please alignment color temperature again.
Yes
Check the vertical bar color and find the
LCD panel connector. Then check the pin
of connector.
Yes
1. Please check the OSD setting
2. Check the front IR board.
Yes
1. Check the OSD setting.
2. Check the speak wire.
VPL-ES4/EX4