Video Signal Adjustment Procedure - Sharp LC-40LE820E Service Manual

LC-40/46/52LE820E (1st Edition)
15)232C power ON control [232C POWON]
Option
Default
Function
16)Public mode setting [PUBLIC MODE]
Option
Default
Function
Remarks

11. Video signal adjustment procedure

The adjustment process mode menu is listed in Section 5.
Signal generator level adjustment check (Adjustment to the specified level)
• Composite signal PAL/SECAM
• RGB signal
• 15K component signal (50 Hz)
• 33K component signal (50 Hz)
• ANALOG RGB signal
11.1. Entering the adjustment process mode
Enter the adjustment process mode according to Section 4.
11.2. PAL signal adjustment
Adjustment point
1 Setting
2 Auto adjustment
performance
* ATTENTION: Please execute [3. TUNER adjustment] afterwards if you adjust [2. PAL signal adjustment] after all adjustments are completed.
"ENABLE" or "DISABLE" (loop enabled)
DISABLE
The item decide whether Power ON by the 232C command is enabled/disabled in the standby state.
The same function as 232C command "RSPW".
ENABLE : POWR0001 is always enabled.
DISABLE : Start-up may be impossible at POWR0001.
(If the 232C command reception module is set to OFF, the command is invalid.)
"OFF" or "ON" (loop enabled)
OFF
The item decide whether Public mode setting menu are enabled or disabled.
The same item as [PUBLIC MODE] in the adjustment process menu.
OFF : Public mode is not active
ON : Public mode is active
Each operation of the Public mode is impossible unless this item is set to ON.
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
: 0.7Vp-p ± 0.02Vp-p
: Y level
: PB, PR level
: Y level
: PB, PR level
: RGB level
Adjustment conditions
[Signal]
PAL
Full field colour bar composite
signal
[Terminal]
EXT1 SCART IN
Adjustment process
[PAL ADJ]
page 4/21
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
: 0.7Vp-p ± 0.02Vp-p
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
: 0.7Vp-p ± 0.02Vp-p
: 0.7Vp-p ± 0.02Vp-p
• Feed the PAL full field colour bar signal (75% colour saturation) to EXT1
SCART IN.
100% white
Bring the cursor on [PAL ADJ] and press [OK].
[PAL ADJ OK] appears when finished.
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Adjustment procedure
[VIDEO input signal]
Black