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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).
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
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-
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.
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.
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)
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
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-
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.
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.
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
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