REPLACEMENT PARTS AND REQUIRED ADJUSTMENT
Caution
To remove PCB, wait for 1 minute after power was turned off for electrolytic capacitors to discharge.
Preparation
Wide------------------ Auto
Input------------------ White pattern
Quick adjustment after PCB replacement
PCB
Power Supply PCB
Scan Drive PCB
Sustain Drive PCB
Panel Glass
Item
VR
PFC
R548
Vsus
R639
Vda
R545
Vad
R6477
Vbk
R6670
Ve
R6829
Vsus
R639
Vad
R6477
Ve
R6829
- 34 -
Test Point
P24 connector pin 1 400V ± 1V
TPVsus
TP117
TPVAD
TPVBK
TPVE
TPVsus
TPVAD
TPVE
Level
Vsus ± 1V
74V ± 1V
Vad ± 1V
Vbk ± 5V
VE ± 1V
Vsus ± 1V
VAD ± 1V
VE ± 1V