Sharp Aquos LC-60LE740E, Service Manual

Page: 103 / 204

LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E
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10. Video signal adjustment procedure
The adjustment process mode menu is listed in Section 5.
Signal generator level adjustment check. (Adjustment to the specified level)
10.1. Entering the adjustment process mode
Enter the adjustment process mode according to Section 2 .
10.2. PAL signal adjustment
* ATTENTION: Please execute [10.3. TUNER adjustment] afterwards if you adjust [10.2. PAL signal adjustment] after all adjustments are
completed.
10.3. TUNER adjustment
10.4. SECAM adjustment
• Composite signal PAL : 0.7Vp-p
±
0.02Vp-p (Pedestal to white level)
• 33K component signal (50 Hz) : Y level : 0.7Vp-p
±
0.02Vp-p (Pedestal to white level)
: PB, PR level : 0.7Vp-p
±
0.02Vp-p
• ANALOG PC (RGB) signal : RGB level : 0.7Vp-p
±
0.02Vp-p
Adjustment point Adjustment conditions Adjustment procedure
1 Setting [Signal]
PAL
Full field colour bar
composite signal
[Terminal]
EXT1 SCART Video (PAL)
IN
• Feed the PAL full field colour bar signal (75% colour saturation) to EXT1
SCART IN.
2 Auto adjustment
performance Adjustment process
[PAL ADJ] page 4/20 Bring the cursor on [PAL ADJ] and press [OK].
[PAL ADJ OK] appears when finished.
Adjustment point Adjustment conditions Adjustment procedure
1 Setting [Signal]
PAL sprit field colour Bar
RF signal UV
[Terminal]
TUNER
• 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.
Signal level: 55 dB
µ
V
±
1dB (75
Ω
LOAD)
2 Auto adjustment
performance Adjustment process
[TUNER ADJ] page 3/20 Bring the cursor on [TUNER ADJ] and press [OK].
[TUNER ADJ OK] appears when finished.
Adjustment point Adjustment conditions Adjustment procedure
1 Setting [Signal]
SECAM
Full field colour Bar Signal
[Terminal]
EXT1 SCART IN
• Feed the SECAM full field colour bar signal (75% colour saturation) to EXT1
SCART IN.
2 Auto adjustment
performance Adjustment process
[SECAM ADJ] page 4/20 Bring the cursor on [SECAM ADJ] and press [OK].
[SECAM ADJ OK] appears when finished.
[VIDEO input signal]
100% white Black
[E-12CH]
χ
100% white
[VIDEO input signal]
100% white Black