LG PB60G Service Manual page 71

Trouble Shooting -
SET problem occurrence
SET Power On
No
(Keypad LED (K d LED
does not work)
Check a power cord
connection
After separation of SET and an adapter, check
an Adapter power(19V)
No
Adapter
replacement
A light source of LED turns
on but an image does not appear
DMD connection cable check
DMD board defect check
DMD parts defect check
Main board defect check
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Flow Chart for each phenomena
Yes
No
(Keypad LED
works normally) works normally)
Broken image
(Vertical / parallel bar
occurrence) occurrence)
DMD I/F Cable check
Yes
Check after DMD Assy B'd
replacement replacement
Main Assy
Main Assy check
replacement
A light source of LED
does not turn on
LED connection check
LED board defect check
Main board defect check
Automatic turning off
after SET is
on ?
Yes
No
"FAN Error"
Fan operation check
No
FAN connection connector check FAN connection connector check
FAN defect check
Main board defect check
Possible to check the
phenomena in instart
mode and power off mode and power off
status while in
automatic turning off
Yes
"High Temp Error"
LED board check LED board check
No
LED 30P Cable check
Main board defect check
LGE Internal Use Only