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7. POWER PCB Assy Voltage
Adjustment
(Va, Vs Voltage Adjustment)
7-1. Test Equipment:
DMM 1EA
7-2. Connection Diagram for Measuring :
Refer to Fig. 2
32Inch(Vs: VR851, Va: VR901)
7-3. Adjustment Method
Adjustment method for Power Board
(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D. M..M. to Va pin of P812,
2) Connect + terminal of D. M..M. to Va pin of P812,
connect -terminal to GND pin of P812.
3) After turning VR901, 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) Connect + terminal of D. M..M. to Vs pin of P812,
connect -terminal to GND pin of P812.
2) After turning VR951, voltage of D.M.M adjustment as
same as Vs voltage which on label of panel right/top
(deviation; ±0.5V)
(deviation; ±0.5V)
ADJUSTMENT INSTRUCTIONS
(Fig. 2) Connection Diagram of Power Adjustment for Measuring
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