Read LG 42PG30TR-MA (CHASSIS:PP83A) Service Manual online
- 11 -
Caution: Each PCB assembly must be checked by check JIG set.
(Because power PCB Assembly damages to PDP
Module, especially be careful)
Module, especially be careful)
8. POWER PCB Assy Voltage
Adjustment
(Va, Vs voltage adjustment)
8-1. Test Equipment:
D.M.M 1EA
8-2. Connection Diagram for Measuring
Refer to fig.7
8-3. Adjustment Method
(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D. M..M. to Va pin of P801,
2) Connect + terminal of D. M..M. to Va pin of P801,
connect -terminal to GND pin of P801.
3) After turning VR902,voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top
(deviation; ±0.5V)
(deviation; ±0.5V)
(2) Vs Adjustment
1) Input signal : RF noise signal
2) Connect + terminal of D. M..M. to Vs pin of P801,
2) Connect + terminal of D. M..M. to Vs pin of P801,
connect -terminal to GND pin of P801.
3) After turning VR901, voltage of D.M.M adjustment as
same as Vs voltage which on label of panel right/top
(deviation ; ±0.5V)
(deviation ; ±0.5V)
(Fig. 7) Connection Diagram of power adjustment for measuring
<42 inch EAY39333001>
<50 inch EAY39190301>
Click on the first or last page to see other 42PG30TR-MA (CHASSIS:PP83A) service manuals if exist.