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LG 42PJ350 Service Manual

LG 42PJ350
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<Notice> Module Heat-Run Condition for W/B
1. The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no any specifics.
2. Before an W/B adjustment, the module which will be used
should be placed in the circumstance of 15°C~25°C for
above 2 hours.
3. If a module was placed in the circumstance of below 15°C,
it should be placed in the circumstance of 15°C~25°C for
above 2 hours or be run for above 5 minutes in an aging
environment of 60°C.
4. Before an W/B adjustment, TV set should be run for 5
minutes at least.
10. Serial Number Download
10-1. Download Procedure
(1) Press “Power on” button of a service R/C.(Baud rate :
115200 bps)
(2) Connect RS232-C Signal Cable.
(3) Write Serial number through RS-232C.
(4) Check the serial number at the Diagnostics of ‘SETUP’
menu. (Refer to below).
Caution : Don’t download HDMI/RGB EEPROM to write a
model name. Model name dois unnecessary
because this model use ‘Tool Option’ to call a model
name.
10-2. Signal TABLE
CMD : A0h
LENGTH : 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + LENGTH + ADH + ADL + Data_1 + ... +
Data_n
Delay : 20ms
10-3. Command Set
[Description]
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart,
0, Phase
Data write : Model Name and Serial Number write in
EEPROM,.
11. CI+ Key Download
11-1. Download Procedure
1. Press "Power on" button of a service R/C.(Baud rate :
115200 bps)
2. Connect RS232-C Signal Cable.
3. Write CI+ Key through RS-232-C.
4. Check whether the key was downloaded or not at ‘In Start’
menu. (Refer to below)
12. Check Information
(Serial No. & Model name)
(1) Push the menu button in DTV mode.
(2) Select the SETUP -> Diagnostics -> To set
(3) Check the Serial Number
- 11 -
LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes

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LG 42PJ350 Specifications

General IconGeneral
Audio systemMono/Stereo/Dual (MTS/SAP)
RMS rated power20 W
Number of speakers2
Product colorBlack
LED indicatorsStand-by
Panel mounting interface400 x 400 mm
Integrated clockYes
Power requirements100V - 240V, 50/60 Hz
Mean time between failures (MTBF)100000 h
HDMI ports quantity3
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Digital audio optical out1
HD typeXGA
Display diagonal42 \
Display brightness1500 cd/m²
Display resolution1024 x 768 pixels
Display technologyLCD
Native aspect ratio16:9
Contrast ratio (dynamic)3000000:1
Power consumption (standby)0.1 W
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)260 mm
Width (with stand)988 mm
Height (with stand)688.5 mm
Weight (with stand)21000 g
Depth (without stand)55.3 mm
Height (without stand)621.8 mm
Weight (without stand)20000 g

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