LG 32lc42 Service Manual

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8) Click OK button at the edit window.
9) Under Downloading process10) If download is failed, for example No acknowledge from slave. Execute download again from(1).
(2) Download method 2 (AV Plate Ass’y)
1) Push S/W ‘ON (connect SCL to GND using switch at Jig) and connect the download jig to D-sub jack.
2) Supply the power (Stand-by 5V) and wait for 3 seconds.
3) Push the S/W off (Disconnect SCL to GND using switch at jig). 4) Execute ‘Download.vi2c’ program in PC, then a main
widow will be...

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9) Choose the Hex file in folder and execute downloadingwith click open button.
10) Click OK button at the edit window
11) Under Downloading progress.
12) If download is failed, for example No acknowledge from slave, execute download again from (1).
(3) Download method 3 (SET)
1) Push the “Tilt” button in an Adjust Remote control Thenthe LCD TV will change a “slave mode”. 2) Connect Zig to TV using a D-sub cable.
3) Execute ‘Download_CS.vi2c’ program in PC, then a
main widow will be opened.
4)...

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7) Double click the download file low then, edit windowwill be opened.
8) Chick the choice button I n the edit window, then file choice window’ will be opened
9) Choose the Hex file in folder and execute downloading with click open button
10) Click OK button at the edit window
11) Downloading 12) If download is failed, for example No acknowledge
from slave, execute download again from (1).
4.3. Channel memory download
(1) Connect the download jig to D-sub jack.
(2) Execute ‘Channel.vi2c’ program...

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(5) Push the Update NVM from File
4.4. Tool Option Area Option Change
Before PCB check, have to change the Tool option and Area
option
Option values are below
(If on changed the option, the input menu can differ the model
spec.)
The input methods are same as other chassises(Use adj Key
on the Adjust Remote control)
4.5. Color carrier Adjustment(Inspection process)
(1) Tuning the RF signal
ZA, TA : PAL Philips Pattern(with color Bar)
MA : NTSC Digital Pattern(with color Bar)
(2) push the adj key...

=> Detail EDID Options are below(a, b, c, d, e)a. Product ID
b. Serial No :  Controlled on production line
c. Month, Year : Controlled on production line ex) Monthly: 03  =>  03 Year:  2005 =>  0F
d. Model Name(Hex): 
e. Checksum (7EH) : Changeable by total EDID data
5.1. Sequence of Adjustment
(1) DDC data of Analog-RGB 1) Init the data
2) Load the EDID data. (Open file)[Analog - RGB : LP78A_RGB.ANA]
[Digital - HDMI : LP78A_HDMI.DVI]
3)Set the S/W as below
4) Push the “Write Data & Verify”button. And...

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(3) DDC adjustment support command set
6.3. Adjustment of White Balance
(For Manual adjustment)
- Operate the zero-calibration of the CA-110 or CA-210, then stick sensor to LCD module when you adjust. 
- For manual adjustment, it is also possible by the following sequence1) Select RF no signal by pressing “ POWER ON”key on
remote control for adjustment then operate heat run
more than 15 minutes. 
(If not executed this step, the condition for W/B will be
differ. The W/B condition is Picture Mode :...

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TROUBLESHOOTING

1. No power
(1) Symptom
1) Minute discharge does not occur at module.
2) Front LED does not activate.
(2) Press check
Plug in the power cord
Start Check
No
Yes

Is the power cord
plugged in? 

Connect the cable.
Plasma(CN1)No
Yes
Are the line filter and
PSU connected?

Replace the fuse.No
Yes
Is the
correct fuse for
the PSU in place? LCD(F100)

Connect the 13-14pin cable.
Next remove all cables connected to the PSU and
switch the AV voltage to manual.
If the ST-by 5V does not...

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2. Protect mode
(1) Symptom
1) After lighting once it does not discharge minutely from the module. \
2) The relay falls.(there is an audible “Click”.)
3) The color of the front LED turns from green to red.
(2) Follow check

Is the Power Boardnormal ? Replace Power Board.Is the output the normal Low/High
voltage except for the Stand-by 5V?
YesNo
No
Are all
the connectors normal? Replace the connector.
Replace the fuse.
Replace the Y-Board.
After checking each connector does
is operate...

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3. No Raster
(1) Symptom
1) No OSD or image are displayed on the screen. 
2) The front LED remains green.
(2) Follow check
4. In the case an unusual display in RF mode.

Check the PDP Module
Replace the
Power board.Does
minute discharge at Module?
Is the inverter/VaVs on? Is output the normal
Low/High voltage except
for the Stand-by 5V?
YesNo
No
Is there a fault with
the link cable?

Yes
Is the output for the IC500 normal? Reconnect the link cable in
P803(Plasma).
No
Replace the VSC.No
Yes

Check...

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5. In the case of an unusual display in rear AV mode.

Is video input of
the A/V jack normal? (Check R172)
Yes
Sam as Block A
Check the input source.No
6. In the case of an unusual display in Side AV mode.

Is the
video input of
the A/V jack normal? (Check CN703 Pin9)
Yes
Sam as Block A
Check the input source.No
7. In the case of an unusual display in Side S-Video mode.

Is the
video input of
the A/V jack normal (Check CN703 Pin1,Pin3)?
Yes
Sam as Block A
Check the input source.No