Video Signal Adjustment Procedure - Sharp LC-60LE635E Service Manual

8. 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
• 33K component signal (50 Hz)
• ANALOG PC (RGB) signal
8.1. Entering the adjustment process mode
Enter the adjustment process mode according to Section 2.
8.2. PAL signal adjustment
Adjustment point
1 Setting
2 Auto adjustment
performance
* ATTENTION: Please execute [12.3. TUNER adjustment] afterwards if you adjust [12.2. PAL signal adjustment] after all adjustments are
completed.
8.3. TUNER adjustment
Adjustment point
1 Setting
2 Auto adjustment
performance
8.4. SECAM adjustment
Adjustment point
1 Setting
2 Auto adjustment
performance
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
: Y level
: 0.7Vp-p ± 0.02Vp-p
: PB, PR level
: 0.7Vp-p ± 0.02Vp-p
: RGB level
Adjustment conditions
[Signal] •
PAL
Full field colour bar
composite signal
[Terminal]
EXT1 SCART Video (PAL)
IN
Adjustment process Bring the cursor on [PAL ADJ] and press [OK].
[PAL ADJ] page 4/20 [PAL ADJ OK] appears when finished.
Adjustment conditions
[Signal] •
PAL sprit field colour Bar •
RF signal UV
Signal level: 55 dB µV ± 1dB (75Ω LOAD)
[Terminal]
TUNER
Adjustment process Bring the cursor on [TUNER ADJ] and press [OK].
[TUNER ADJ] page 3/24 [TUNER ADJ OK] appears when finished.
Adjustment conditions
[Signal] •
SECAM
Full field colour Bar Signal
[Terminal]
EXT1 SCART IN
Adjustment process Bring the cursor on [SECAM ADJ] and press [OK].
[SECAM ADJ] page 4/24 [SECAM ADJ OK] appears when finished.
LC-60LE635E/636E/638E (1st Edition)
Adjustment procedure
Feed the PAL full field colour bar signal (75% colour saturation) to EXT1
SCART IN.
[VIDEO input signal]
100% white
Adjustment procedure
Feed the PAL Split Field colour bar signal (E-12ch) to TUNER.
Make sure the PAL colour bar pattern has the sync level of 7:3 with the picture
level.
Adjustment procedure
Feed the SECAM full field colour bar signal (75% colour saturation) to EXT1
SCART IN.
[VIDEO input signal]
100% white
5 – 16
Black
[E-12CH]
100% white
Black