Read LG 50PK980-ZA (CHASSIS:PD02C) Service Manual online
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ADJUSTMENT INSTRUCTION
1. Application Range
This spec sheet is applied to all of the PD02C chassis.
2. Specification
(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 °C ± 5 °C of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep 100 V ~ 240
V, 50 / 60 Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15 °C
15 °C
- 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
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,.
15 °C for 3 hours,.
O
After RGB Full White in HEAT-RUN Mode, the receiver
must be operated prior to the adjustment.
must be operated prior to the adjustment.
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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
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.
an after image may be occur in the black level part of the
screen.
3. PCB Assembly Adjustment Method
* Caution: Using ‘power on’ button of the control R/C power on
TV.
3-1. MAC Address and CI+ Key.
* Connect TV SET and PC which download MAC Address
Writing program by RS232C-Cable
(1) Start “MAC+CIKeyl.exe”Program and Click (3) Button to
connect TV and PC.
(2) Click (4) to download MAC Address.
(3) Click (5) to download CI+ Key.
(4) When download succeed, you can see “OK” on (6)
(3) Click (5) to download CI+ Key.
(4) When download succeed, you can see “OK” on (6)
* Each Chassis has it’ own MAC Address. Please be careful of
download.
3-2. Ping TEST
* This test is to check Network operation.
(1) Press "Power on" button of a service R/C.(Baud rate :
(1) Press "Power on" button of a service R/C.(Baud rate :
115200 bps)
(2) Connect RS232-C Signal Cable.
(3) Connect LAN cable to MAIN PCB Assembly.
(4) When network operates normally, you can see “OK”.
(3) Connect LAN cable to MAIN PCB Assembly.
(4) When network operates normally, you can see “OK”.
3-3. ADC Adjustment
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Auto-control adjustment protocol(RS-232C)
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