Sharp Aquos LC-42DH77E, Руководство по обслуживанию

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LC
-
46D65E/RU
3 – 12
9. Video signal adjustment procedure
The adjustment process mode menu is listed in Section 5.
Signal generator level adjustment check (Adjustment to the specified level)
1. Entering the adjustment process mode
Enter the adjustment process mode according to Section 2.
2. PAL signal adjustment
CAUTION: When going on “PAL signal adjustment” of 2 item after all adjustment completion, please be sure to put “TUNER adjustment” of 3 item into
effect after it.
3. TUNER adjustment
4. SECAM adjustment
• Composite signal PAL : 0.7Vp-p
±
0.02Vp-p (Pedestal to white level)
• RGB signal : 0.7Vp-p
±
0.02Vp-p
• 15K 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
• 33K component signal : Y level : 0.7Vp-p
±
0.02Vp-p (Pedestal to white level)
: PB, PR level : 0.7Vp-p
±
0.02Vp-p
Adjustment point Adjustment Conditions Adjustment procedure
1 Setting [Signal]
PAL
Full Field Color Bar composite
signal
[Terminal]
EXT1 SCART IN
•
Feed the PAL full field colour bar signal (75% colour saturation) to EXT1
SCART IN.
2 Auto adjustment
performance Page 4/16 Bring the cursor on [PAL ADJ] and press [OK] [PAL ADJ OK] appears when fin-
ished.
Adjustment point Adjustment Conditions Adjustment procedure
1 Setting [Signal]
PAL
Split Field Colour Bar RF signal
U/V
[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 Page 3/16 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 Page 4/16 Bring the cursor on [SECAM ADJ] and press [OK] [SECAM ADJ OK] appears
when finished.
100% white
[VIDEO in signal]
100% white
[E-12CH]
100% white