LG RT-42PZ60, Service Manual

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(2) Vs Adjustment
¤
C terminal of D.M.M to Vs pin of P805 and
connect – terminal to GND pin of P805.
¤Ł
After turning the VR551, voltage of D.M.M adjustment
as same as Vs voltage which on label of panel
Right/Top. (Deviation : ±0.5V)
(3) 5.2V Adjustment
¤
C terminal of D.M.M to 5V pin of P804 and
connect – terminal to GND pin of P804.
¤Ł
Turning VR251, adjust the volt value to 5.2v value.
6. Adjustment of White Balance
6-1. Required Equipment
Color analyzer (CA-100 or same product)
6-2. Connection Diagram of Equipment for
Measuring
(Manual Adjustment)
: refer to <fig 2>,<fig 3>
6-3. Adjustment of White Balance
O
Operate the Zero-calibration of the CA-100, then stick
sensor to PDP module surface when you adjust.
O
For manual adjustment, it is also possible by the following
sequence.
(1) Select WHITE PATTERN of HEAT RUN mode by pressing
POWER ON KEY on remote control for adjustment then
operate HEAT RUN more than 15 minute.
(2) Supply 70Gray, 216Gray Level, 100% size length and
breadth signal to AV input. (Refer to <fig 2>,<fig 3>)
RZ-42PZ70 : AV3, RT-42PZ70 : AV1
(3) White balance is adjusted from Low Light to High Light,
And pushing the
V
key, save the adjustment value.
(4) Low Light, stick sensor to 70Gray Pattern and then press
ADJ Key on R/C for adjustment and press
D
,
E
on R/C in
adjustment mode to select R-H or G-H, press VOL +, - Key
and adjust it until color coordination becomes as below.
[RZ-42PZ70, RT-42PZ70]
X: 0.290±0.003, Y: 0.300±0.003
Color temperature: 8,600°K±500°K
(5) High Light, stick sensor to 216Gray Pattern and then press
ADJ Key on R/C for adjustment and press
D
,
E
on R/C in
adjustment mode to select R-H or G-H, press VOL +, - Key
and adjust it until color coordination becomes as below.
[RZ-42PZ70, RT-42PZ70]
X: 0.285±0.003, Y: 0.285±0.003
Color temperature: 9,700°K±500°K
(6) Exit adjustment mode using
V
Key.
7. Map for Auto adjustment (RS-232C)
- 10 -
Va ADJ
VR351
Vs ADJ
VR551
CN 804
CN 803
CN 802
CN 810
CN 809
CN 808
VS
Va
Va
GND
GND
VS
VS
5V
<Fig 1> Connection Diagram for Measuring of Power Adjustment
Typ
Baud Rate
1150200
Index
R-L
G-L
R-H
G-H
Data bit
8
Cmd1 Cmd2
j j
j k
j a
j b
Stop bit
1
Parity
NONE
RF-03OA_PDP42
Protocol
Setting
Data Min Value
54(36)
54(36)
180(B4)
170(A4)
Max Value
90(5A)
85(FA)
254(FE)
250(FA)
RS232
R-L 70 R-L 70
G-L 70
G-L 70
R-M 128
R-M 128
G-M 128
G-M 128
R-H 216
R-H 216
G-H 216
G-H 216
Window
MSPG-2100 or
MSTG-5200
RGB Signal Input
High Light adjustment
70 Gray Level
<Fig 2> Low Light(Connection Diagram of Manual Adjustment)
R-L 70 R-L 70
G-L 70
G-L 70
R-M 128
R-M 128
G-M 128
G-M 128
R-H 216
R-H 216
G-H 216
G-H 216
Window
MSPG-2100 or
MSTG-5200
RGB Signal Input
High Light adjustment
216 Gray Level
<Fig 2> High Light Light(Connection Diagram of Manual Adjustment)