LC-42DH77EC (serv.man5). Adjustment Procedure - Sharp TV Service Manual (repair manual). Page 13

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LC-32/42/46DH77E/RU/S
3 – 13
3. TUNER adjustment
4. SECAM signal adjustment
5. ADC adjustment (Component 15K)
Adjustment point
Adjustment Conditions
Adjustment procedure
1
Setting
[Signal]
PAL split colour bar In-house UV
[Terminal]
TUNER
• Send the in-house signal (PAL colour bar) to TUNER.
• For the PAL colour bar pattern (E-12ch), the picture level and sync level must 
show a ration of 7 to 3.
2
Auto adjustment 
performance
Process page No. 3/16
Point the cursor to [TUNER ADJ] and press the [OK] key.
The adjustment is complete when [TUNER ADJ OK] is displayed.
Adjustment point
Adjustment Conditions
Adjustment procedure
1
Setting
[Signal]
SECAM full field colour bar
[Terminal]
EXT1 SCART video input
• Send the SECAM full field colour bar (colour saturation: 75%) signal to the 
SCART video input of EXT1.
2
Auto adjustment 
performance
Process page No. 4/16
Point the cursor to [SECAM ADJ] and press the [OK] key.
The adjustment is complete when [SECAM ADJ OK] is displayed.
Adjustment point
Adjustment Conditions
Adjustment procedure
1
Setting
[Signal]
COMP15K 50Hz 100% full field 
colour bar
[Terminal]
EXT3 component input
• Send the component 15K 100% full field colour bar (colour saturation: 100%) 
signal to the component input of EXT3.
2
Auto adjustment 
performance
Process page No. 6/16
Point the cursor to [COMP 15k ALL ADJ] and press the [OK] key.
The adjustment is complete when [COMP 15k ALL OK] is displayed.
100% white
[In-house E-12CH]
[VIDEO input signal]
100% white
100% white
Black

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