Adjustment Instructions - LG MT-60PZ12/B Service Manual

1. Application Object
These instructions are applied to all of the PDP monitor, NP-
00KB.
2. Notes
(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.
(2) Adjustment must be done in the correct order.
(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.
(4) The input voltage of the receiver must keep 220V, 60Hz in
adjusting.
(5) The receiver must be operated for about 15 minutes prior
to the adjustment.
¤ After receiving 100% white pattern(06CH), the receiver
must be operate prior to adjustment.(Or white condition
in HEAT-RUN mode)
¤ŁEnter into HEAT-RUN mode
- Select the 2.W/B by pressing ADJ button on Remote
Control for adjustment. And press the VOL + button.
- Press the VOL + button in HEAT-RUN.
(OSD display HEAT-RUN WHITE and screen display
100% full WHITE PATTERN)
¤ØSet is activated HEAT-RUN without signal generator in
this mode.
[ Single color pattern of HEAT-RUN mode uses to check
PANEL.(RED/BLUE/GREEN)
[Caution] If you turn on a still screen more than 20 minutes, a
afterinage may be occur in the black level part of the
screen.
3. POWER PCB Assy Voltage Adjustment
[ Replace PDP Module or Power Board, adjust certainly Power
PCB Assy Voltage.
3-1. Test Equipment
D.M.M 1EA
3-2. Connection Diagram for Measuring
Refer to Fig 1.
3-3. Adjustment Method
(1) PFC Adjustment
¤ After receiving 100% white pattern, HEAT-RUN.
¤ŁConnect TP PFC+ and TP PFC-(GND) to D.M.M.
¤ØTurning VR801, adjustment is 380V(±1V).
(2) Va Adjusment
¤ Connect pin 1 of P814 to (+) jack of D.M.M.
¤ŁAfter turning the VR803(Va Adj), voltage of D.M.M
adjustment as same as Va voltage which on label of
panel left/top.(Deviation : ±0.5V)
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ADJUSTMENT INSTRUCTIONS

- 9 -
(3) Vs Adjustment
¤ Connect pin 9 of P803 to (+) jack of D.M.M.
¤ŁAfter turning the VR804(Vs Adj), voltage of D.M.M
adjust as same as Vs voltage which indicated on label
of panel left/top.(Deviation : ±0.5V)
<Fig 1> Connection Diagram of Power Adjustment for Measuring
4. Adjustment White Balance
4-1. Required Equipment
Color analyzer(CA-100 or same production)
4-2. Connection Diagram of Equipment for
Measuring
High Light
75±6cd/m2
Low Light
15±3cd/m2
<Fig 2> Connection Diagram of Automatic Adjustment
[ After stop the Micom by pressing IN-START Key on Remote
Control, insert the P1002 with automatic adjustment of
connector.
After remove connector, move the Micom by pressing ENTER
Key.
COLOR
ANALYZER
TYPE; CA-100
CVBS Signal Input
PDP MONITOR
Window
MSPG-2100 or
MSTG-5200