DSC-F505V (serv.man2) - Sony Digital Camera Service Manual (repair manual). Page 84

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5-28
A
2H 
Pedestal 
Pedestal
A: Pedestal level difference between 1H period and
previous 1H period.
Fig. 5-1-20
4. Bright Adjustment (HI-73 Board)
Set the level of the VIDEO signal for driving the LCD to the speci-
fied value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 9 of CN002 (VG) on
FK block
External trigger: Pin 8 of CN002
(PANEL COM) on FK block
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D0
Specified Value
A = 2.00 ± 0.08 Vp-p
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 03.
3) Select page: 2, address: 10, and set data: 01.
4) Select page: D, address: D0, change the data and set the volt-
age (A) between the pedestal and GAMMA 1 limiter  level to
the specified value.
5) Press the PAUSE button of the adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 2, address: 10, and set data: 00.
3) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-21
A
2H 
GAMMA1 limiter level
Pedestal
3. D Range Adjustment (HI-73 Board)
Set the D range of the LCD driver to the specified value.
If deviated, the LCD screen will became blackish or saturated
(whitish)
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 9 of CN002 (VG) on
FK block
External trigger: Pin 8 of CN002
(PANEL COM) on FK block
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D5
Specified Value
A = 3.62 ± 0.05 Vp-p
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 03.
3) Select page: D, address: D5, change the data and set the volt-
age (A) between the reversed waveform pedestal and non-re-
versed waveform pedestal to the specified value.
4) Press the PAUSE button of the adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
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