Read LG 50PB4RT-TB (CHASSIS:PP7BA) Service Manual online
- 6 -
ADJUSTMENT INSTRUCTION
1. Application Object
These instructions are applied to all of the 50” PLASMA TV,
PP7BA
PP7BA
Chassis.
2. Note
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
(3) The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
there is no specific designation.
(4) The input voltage of the receiver must keep 100-220V~,
50/60Hz.
(5) Before adjustment, execute Heat Run for 30 minutes.
(6) Before you measure optical characteristic(W/B, Color
(6) Before you measure optical characteristic(W/B, Color
Temperature, etc),You must change to User2 mode in
Picture menu.
Picture menu.
3. Adjustment items
3.1. PCB assembly adjustment items
(1) Channel memory
1) Download the channel data from BOM to EEPROM by
using LGIDS.
(2) Option adjustment following BOM
1) Push the ADJ key in the Adjust Remocon.
2) Input the Option Number that was specified in the BOM,
2) Input the Option Number that was specified in the BOM,
into the Shipping area.
3) Select “Tool Option1/ Tool Option2/ Area Option” by
using
D
/
E
(CH+/-) key, and press the number key(0~9)
consecutively.
ex) If the value of Tool Option1 is 7, input the data using
number key “7”(Fig.1).
(3) Color carrier Adjustment.
3.2. SET assembly adjustment items
(1) Auto AV Color Balance.
(2) Adjustment of White Balance.
(3) Auto Component Color Balance adjustment.
(2) Adjustment of White Balance.
(3) Auto Component Color Balance adjustment.
- standard equipment : MSPG925FA.
(4) Auto RGB Color Balance adjustment.
- standard equipment : MSPG925FA
( At DVR model Case, Please check DVR function like
( At DVR model Case, Please check DVR function like
following list )
(5) Checking DVR Function and HDD
* Check DVR Function as follow on 4.2 and find HDD failure
under malfunction.
* Check DVR Function as follow on 4.2 and find HDD failure
under malfunction.
4. HDD assembly adjustment method
4-1. HDD Format
1) Assemble MAIN , DVR Board.
2) HDD Format in progress words will create automatically.
3) Please, wait for 30~40 seconds.
2) HDD Format in progress words will create automatically.
3) Please, wait for 30~40 seconds.
(1) HDD Format in progress.
(2) HDD Format completed.
4-2. Sub Program Download for “DVR” by
using USB memory stick
(1) Connect USB memory stick to SET.
(2) Set power off -> On
(2) Set power off -> On
- DVR s/w will be installed automatically.
PPBA/BB 50X4P WXGA
(Fig.1)
Click on the first or last page to see other 50PB4RT-TB (CHASSIS:PP7BA) service manuals if exist.