Sharp LC-32DH57E-BK Service Manual page 21

9. Video signal adjustment procedure
* The adjustment process mode menu is listed in 5th item.
Signal generator level adjustment check (Adjustment to the specified level)
• Composite signal PAL/SECAM
• PC (Analog D_sub15pin) signal
• 33K component signal
1. Picture Adjustment
1) Entering the adjustment process mode
Adjustment point
2) TUNER adjustment
Adjustment point
1 Setting
2 Auto adjustment
performance
3) ADC adjustment (Component 33K)
Adjustment point
1 Setting
2 Auto adjustment
performance
4) PC signal adjustment (Analog D-SUB15pin)
Adjustment point
1 Setting
2 Auto adjustment
performance
: 0.7Vp-p ± 0.02Vp-p (White level from pedestal)
: 0.7Vp-p ± 0.02Vp-p (White level from pedestal)
: Y level 0.7Vp-p ± 0.02Vp-p (White level from pedestal)
: PB,PR level 0.7Vp-p ± 0.02Vp-p
Adjustment conditions
Adjustment conditions
[Signal]
PAL split colour Bar
In-house UV
[Terminal]
TUNER
Adjustment process
[VIDEO ADJ] menu page 4/7
Adjustment conditions
[Signal]
COMP 33K 50Hz 100% Full field
colour bar
[Terminal]
EXT3 CONPONENT input
Adjustment process [COM ADJ]
menu page 5/7
Adjustment conditions
[Signal]
XGA 60 Hz 100% Full field
colour bar
[Terminal]
EXT4 PC input
Adjustment process [RGB ADJ]
menu page 6/7
Adjustment procedure
Enter to the adjustment process mode, refering to the 2nd item.
Adjustment procedure
• Feed the In-house signal (PAL color bar) to TUNER.
• Make sure the PAL colour bar pattern has the sync level of 7:3 with the pic-
ture level.
• Feed the SMPTE color bar signal to TUNER.
JABIL: 203.25MHz
[In-house signal E12CH]
Bring the cursor on [VIDEO ADJ] and press OK key [*** OK ***] appears when
finished.
Adjustment procedure
• Feed the COMPONENT 33K 100% Full field colour bar (colour saturation
level 100%) signal to the CONPONENT video input of EXT3.
100% white
Bring the cursor on [COM ADJ] and press OK key [*** OK ***] appears when fin-
ished.
Adjustment procedure
• Feed the XGA 60Hz 100% Full field colour bar (colour saturation level 100%)
signal to the EXT4 PC input.
100% white
Bring the cursor on [RGB ADJ] and press OK key [*** OK ***] appears when fin-
ished.
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LC-32DH57E-BK/RU-BK/S-BK
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