LC-32XL8E (serv.man3). Adjustment Procedure - Sharp TV Service Manual (repair manual). Page 11

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LC-32XL8E/S/RU, LC-37XL8E/S/RU
3 – 11
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. RF AGC adjustment
3. PAL signal & tuner 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
Split Field Colour Bar RF signal 
U/V
[Terminal]
TUNER
• Feed the PAL Split Field colour bar signal (E-12ch) to TUNER.
Signal level: 55 dB 
µV ± 1dB (75Ω LOAD)
2
Auto adjustment 
performance
Page 3/14
Bring the cursor on [RF AGC ADJ] and press [OK] 
[RF AGC ADJ OK] appears when finished.
Adjustment point
Adjustment Conditions
Adjustment procedure
1
Setting
[Signal]
PAL
Full Field Color Bar Composite 
or RF signal
[Terminal]
EXT1 SCART IN TUNER
• Feed the PAL full field colour bar signal (75% colour saturation) to EXT1 
SCART IN.
• Feed the RF signal (PAL colour bar) to TUNER.
• Make sure the PAL colour bar pattern has the sync level of 7:3 with the pic-
ture level.
2
Auto adjustment 
performance
Page 3/14
Bring the cursor on [PAL+TUNER ADJ] and press [OK]
 [PAL+TUNER ADJ OK] appears when finished.
[E-12CH]
㸡100% white
㸡100% white
㪲VIDEO in Signal]
㸡100% white
[RF Signal]

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