LG 56DC1D Service Manual page 17

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(2) Offset/Gain Adjustment
1) Press ADJ key on the Remote Control to enter the
adjustment mode.
2) Adjustment is automatic by pressing the VOLUME+ (
button in "5.ADC 1080i Comp2/RGB" item of the
adjustment menu.
3) Pop up OSD is called "ADC 1080i Comp2 Success"
After convert RGB-DTV 1080i mode, it is adjusted RGB-
DTV automatically.
4) After adjustment, "ADC RGB_DTV Success" appears
and press the ADJ key to exit.
13. Video(uPD)-Set Adjustment
13-1. Required Test Equipment
: Service remote control, Video Signal Generator(Master)
13-2. PAL Adjustment
(1) Connect Video Signal Generator (Master) to TV AV1
terminal. And then Set the equipment as bellow.
* Input pattern
- Model : 202(PAL-BDGHI)
- Pattern : 32 (100% color Bar)
- Rev button : On
* Check the color bar pattern. It must be 100 percent.
(2) With the signal supplied press the ADJ button in
adjustment R/C into 'EZ-ADJUST'.
Select '6.Video(UPD)-Set' and press (
adjsutment model.
(3) Adjustment started automatically.
When it complete, you should see 'AV1(PAL) Configuration
Success' massage
When the progress fail, you should see 'AV1(PAL)
Configuration Error'.
(4) After adjustment, press the ADJ button to exit.
<Fig. 29> 202(PAL-BDGHI), Pattern: 32(100% color Bar)
<Fig. 28>
G
)button to enter in
13-3. NTSC Adjustment
(1) Connect Video Signal Generator (Master) to TV AV1
G
)
terminal. And then Set the equipment as bellow.
* Input pattern
- Model : 201(NTSC-M)
- Pattern : 32 (100% color Bar)
- Rev button : On
(2) With the signal supplied press the ADJ button in
adjustment R/C into 'EZ-ADJUST'.
Select '7.uPD NTSC-Set' and press (
adjsutment model.
<Fig. 30> Model : 201(NTSC-M), Pattern :32(100% color Bar)
(3) Adjustment started automatically.
When it complete, you should see 'AV1(NTSC)
Configuration Success' massage
When the progress fail, you should see 'AV1(NTSC)
Configuration Error'.
(4) After adjustment, press the ADJ button to exit.
13-4. RF Adjustment
(1) Input the RF cable. Connect the PI-11 Channel<Fig. 31>
and set the input mode to TV.
<Fig. 31> RF adjustment : Channel PI-11
(2) With the signal supplied press the ADJ button in
adjustment R/C into 'EZ-ADJUST'.
Select '8.uPD RF-Set' and press (
adjsutment model.
(3) Adjustment started automatically.
When it complete, you should see 'RF Configuration
Success' massage. When the progress fail, you should see
'RF Configuration Error'.
(4) After adjustment, press the ADJ button to exit.
<caution>
Don't adjust without RF-signal as <Fig.30>.
It is only possible to adjust with <Fig.30> pattern.
- 17 -
G
)button to enter in
G
)button to enter in

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