Read Sharp LC-32DH57E (serv.man4) Service Manual online
LC-32DH57E-BK/RU-BK/S-BK
3 – 6
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)
1. Picture Adjustment
1) Entering the adjustment process mode
2) TUNER adjustment
3) ADC adjustment (Component 33K)
4) PC signal adjustment (Analog D-SUB15pin)
• Composite signal PAL/SECAM
: 0.7Vp-p
± 0.02Vp-p (White level from pedestal)
• PC (Analog D_sub15pin) signal
: 0.7Vp-p
± 0.02Vp-p (White level from pedestal)
• 33K component signal
: Y level 0.7Vp-p
± 0.02Vp-p (White level from pedestal)
: PB,PR level 0.7Vp-p
± 0.02Vp-p
Adjustment point
Adjustment conditions
Adjustment procedure
Enter to the adjustment process mode, refering to the 2nd item.
Adjustment point
Adjustment conditions
Adjustment procedure
1
Setting
[Signal]
PAL split colour Bar
In-house UV
PAL split colour Bar
In-house UV
[Terminal]
TUNER
TUNER
• 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-
• 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
2
Auto adjustment
performance
performance
Adjustment process
[VIDEO ADJ] menu page 4/7
[VIDEO ADJ] menu page 4/7
Bring the cursor on [VIDEO ADJ] and press OK key [*** OK ***] appears when
finished.
finished.
Adjustment point
Adjustment conditions
Adjustment procedure
1
Setting
[Signal]
COMP 33K 50Hz 100% Full field
colour bar
COMP 33K 50Hz 100% Full field
colour bar
[Terminal]
EXT3 CONPONENT input
EXT3 CONPONENT input
• Feed the COMPONENT 33K 100% Full field colour bar (colour saturation
level 100%) signal to the CONPONENT video input of EXT3.
2
Auto adjustment
performance
performance
Adjustment process [COM ADJ]
menu page 5/7
menu page 5/7
Bring the cursor on [COM ADJ] and press OK key [*** OK ***] appears when fin-
ished.
ished.
Adjustment point
Adjustment conditions
Adjustment procedure
1
Setting
[Signal]
XGA 60 Hz 100% Full field
colour bar
XGA 60 Hz 100% Full field
colour bar
[Terminal]
EXT4 PC input
EXT4 PC input
• Feed the XGA 60Hz 100% Full field colour bar (colour saturation level 100%)
signal to the EXT4 PC input.
2
Auto adjustment
performance
performance
Adjustment process [RGB ADJ]
menu page 6/7
menu page 6/7
Bring the cursor on [RGB ADJ] and press OK key [*** OK ***] appears when fin-
ished.
ished.
[In-house signal E12CH]
100% white
Black
100% white
Black
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