42PC3RA-ZJ (CHASSIS:PP61A) - LG TV Service Manual (repair manual). Page 17

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(5) If download is failed, for example “No acknowledge from

slave”, execute download again from(1).

Data 0x00000000 -> 0x000000ff
Num of Byte 0

-> 4096

Tool Option, Area Option change Before PCB Assy check,
have to change the Tool option and Area option.
Option value are below.
(If you don’t change the option, the input menu can differ the
model spec.)
The input methods are same as other chassis.

* refer to the Job expression at BOM

(Inspection process)

(1) Tuning the RF EU-5CH(C5)

(2) Push the “adj” button at an adjust remocon

(Va, Vs Voltage Adjustment)

D.M.M 1EA

Refer to Fig.1

Adjustment Method for Power Board( P/No: 6709900019A)

1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D.M.M to Va pin of P812, connect

- terminal to GND pin of P812.

3) After turning VR0901, voltage of D.M.M adjustment as

same as Va voltage which on label of panel right/top.
(Deviation; ±0.5V)

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 Va voltage which on label of panel right/top.
(Deviation; ±0.5V)

Inch    &   Model

42

1RV

3RV

Caution: Each PCB assembly must be checked by check JIG
set. (Because power PCB Assembly damages to PDP
Module, especially be careful)

(Fig. 1) Connection Diagram of Power Adjustment for Measuring

ZJ

30224

29200

0~19

TJ

25616

24592

20~

CJ

25616

24592

23