Read LG 50PA450T-ZM / 50PA451T-ZG (CHASSIS:PD23B) Service Manual online
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ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet applies to PD23B chassis applied PDP TV all
models manufactured in TV factory.
2. Designation
(1) The adjustment is according to the order which is
designated and which must be followed, according to the
plan which can be changed only on agreeing.
(2) Power adjustment : Free Voltage.
(3) Magnetic Field Condition: Nil.
(4) Input signal Unit: Product Specification Standard.
(5) Reserve after operation: Above 5 Minutes (Heat Run)
Temperature : at 25 °C ± 5 °C
Relative humidity : 65 % ± 10 %
Input voltage : 220V, 60Hz
(6) Adjustment equipments : Color Analyzer (CA-210 or
CA-110), DDC Adjustment Jig equipment, SVC remote
controller.
(7) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15
- In case of keeping module is in the circumstance of 0°C, it
should be placed in the circumstance of above 15°C for 2
hours.
- In case of keeping module is in the circumstance of below
-20°C, it should be placed in the circumstance of above
15°C for 3 hours.
■ After RGB Full White in HEAT-RUN Mode, the receiver must
be operated prior to the adjustment.
■ Enter into HEAT-RUN MODE
1) Press the POWER ON KEY on R/C for adjustment.
2) OSD display and screen display PATTERN MODE.
● Set is activated HEAT run without signal generator in this
mode.
● Single color pattern ( WHITE ) of HEAT RUN MODE uses to
check panel.
● Caution : If you turn on a still screen more than 20 minutes
(Especially digital pattern, cross hatch pattern), an
after image may be occur in the black level part of
the screen.
(8) Push The “IN STOP KEY” – For memory initialization.
3. Main PCB check process
* APC - After Manual-Insult, executing APC
*
Boot file Download
(1) Execute ISP program “Mstar ISP Utility” and then click
“Config” tab.
(2) Set as below, and then click “Auto Detect” and check “OK”
message
If “Error” is displayed, Check connection between computer,
jig, and set.
(3) Click “Read” tab, and then load download file (XXXX.bin)
by clicking “Read”
(4) Click “Connect” tab. If “Can’t ” is displayed, Check
connection between computer, jig, and set.
(5) Click “Auto” tab and set as below.
(6) Click "Run".
(7) After downloading, check "OK" message.
Case1 : Software version up
1) After downloading S/W by USB , Multi-vision set will reboot
automatically
2) Push “In-stop” key
3) Push “Power on” key
4) Function inspection
5) After function inspection, Push “In-stop” key.
Case2 : Function check at the assembly line
1) When TV set is entering on the assembly line, Push “In-
stop” ke y at first.
2) Push “Power on” key for turning it on.
-> If you push “Power on” key, TV set will recover channel
information by itself.
3) After function inspection, Push “In-stop” key.
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