Read LG 32LG50D (CHASSIS:LJ82A) Service Manual online
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ADJUSTMENT INSTRUCTION
1. Application Range
These instructions are applied to all of the LCD TV, LJ82A
Chassis.
Chassis.
2. Notice
(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. But it is
flexible when its factory local problem occurs.
(3) The adjustment must be performed in the circumstance of
25±5ºC 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 5 minutes
- After Receive 100% Full white pattern (06CH) then
process Heat-run
(or "8. Test pattern" condition of Ez-Adjust status)
- How to make set white pattern
A. Press Power ON button of Service Remocon
B. Press ADJ button of Service remocon. Select "10. Test
B. Press ADJ button of Service remocon. Select "10. Test
pattern" and, after select "White" using navigation
button, and then you can see 100% Full White pattern
button, and then you can see 100% Full White pattern
* In this status you can maintain Heat-Run useless any
pattern generator
Note) If you maintain one picture over 20 minutes (Especially
sharp distinction black with white pattern – 13Ch, or
Cross hatch pattern – 09Ch) then it can appear image
stick near black level
Cross hatch pattern – 09Ch) then it can appear image
stick near black level
3. PCB Assembly Adjustment
3.1. CPLD DOWNLOAD : JTAG MODE
3.2. << PRINT PORT >> PIN MAP
Pin
JTAG Mode Signal Name
2
TCK
3
TMS
8
TDI
11
TDO
13
-
15
VCC
18 TO 25
GND
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