Sharp LC-26A37M Service Manual page 18

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LC-26/32A37M
8. Video signal adjustment procedure
* The adjustment process mode menu is listed in Section 5.
1. Signal check
1) Signal generator level adjustment check (Adjustment to the specified level)
Composite signal PAL
RGB signal
15K component signal (50 Hz) : Y level
2. Entering the adjustment process mode
1) Enter the adjustment process mode according to Section 3.
3. RF AGC 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
: 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
: 0.7Vp-p ± 0.02Vp-p
: PB, PR level
Adjustment Conditions
[Signal]
PAL
Sprit Field Colour Bar
RF signal UV
[Terminal]
TUNER
Adjustment process
Page3
Adjustment procedure
Feed the PAL Sprit Field colour bar signal to TUNER.
Signal level: 55 dB µV +1dB, -1dB (75Ω LOAD)
Bring the cursor on [
RF AGC ADJ] and press [OK]
[***OK***] appears when finished.
5 – 6
[E-12CH]
100% white

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