Sony DCR-TRV10 Service Manual - Page 118

D range Adjustment PD-110 board, Fig. 5-1-18.

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2. D range Adjustment (PD-110 board) Set the D range of the RGB decoder used to drive the LCD to the specified value. If deviated, the LCD screen will become blackish or saturated (whitish). Mode Camera Subject Measurement Point Arbitrary Pin 7 of CN2904 (PD VG) on VC-217 board Measuring Instrument Oscilloscope Adjustment Page D Adjustment Address 82 Specified Value A = 3.45 ± 0.05V Adjusting method: 1) Select page: 0, address: 01, and set data: 01. 2) Select page: 3, address: 0C, set data: 20, and press the PAUSE button of the adjustment remote commander. 3) Select page: 3, address: 22, set data: 02, and press the PAUSE button of the adjustment remote commander. 4) Select page: D, address: 82, change the data and set the voltage (A) between the reversed waveform pedestal and non-reversed waveform pedestal to the specified value. 5) Press the PAUSE button of the adjustment remote commander. 6) Select page: 3, address: 22, set data: 00, and press the PAUSE button of the adjustment remote commander. 7) Select page: 3, address: 0C, set data: 00, and press the PAUSE button of the adjustment remote commander. 8) Select page: 0, address: 01, and set data: 00. 3. Bright Adjustment (PD-110 board) Set the level of the VIDEO signal for driving the LCD to the specified value. If deviated, the screen image will be blackish or saturated (whitish). Mode Camera Subject Measurement Point Arbitrary Pin 7 of CN2904 (PD VG) on VC-217 board Measuring Instrument Oscilloscope Adjustment Page D Adjustment Address 8A Specified Value A = 1.70 ± 0.05V Adjusting method: 1) Select page: 0, address: 01, and set data: 01. 2) Select page: 3, address: 0C, set data: 20, and press the PAUSE button of the adjustment remote commander. 3) Select page: 3, address: 22, set data: 02, and press the PAUSE button of the adjustment remote commander. 4) Select page: 2, address: 0E, and set data: 40. 5) Select page: D, address: 8A, change the data and set the voltage (A) between the pedestal and GAMMA1 limiter level to the specified value. (The data of address: 8A should be "1E" to "A0".) 6) Press the PAUSE button of the adjustment remote commander. 7) Select page: 2, address: 0E, and set data: 00. 8) Select page: 3, address: 22, set data: 00, and press the PAUSE button of the adjustment remote commander. 9) Select page: 3, address: 0C, set data: 00, and press the PAUSE button of the adjustment remote commander. 10) Select page: 0, address: 01, and set data: 00. Pedestal GAMMA 1 limiter lavel A A Pedestal 2H Fig. 5-1-18. Pedestal 2H Fig. 5-1-19. 5-32

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5-32
2. D range Adjustment (PD-110 board)
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin
7
of CN2904 (PD VG) on
VC-217 board
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
82
Specified Value
A = 3.45 ± 0.05V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 3, address: 0C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 3, address: 22, set data: 02, and press the PAUSE
button of the adjustment remote commander.
4)
Select page: D, address: 82, change the data and set the voltage
(A) between the reversed waveform pedestal and non-reversed
waveform pedestal to the specified value.
5)
Press the PAUSE button of the adjustment remote commander.
6)
Select page: 3, address: 22, set data: 00, and press the PAUSE
button of the adjustment remote commander.
7)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
8)
Select page: 0, address: 01, and set data: 00.
3. Bright Adjustment (PD-110 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin
7
of CN2904 (PD VG) on
VC-217 board
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
8A
Specified Value
A = 1.70 ± 0.05V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 3, address: 0C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 3, address: 22, set data: 02, and press the PAUSE
button of the adjustment remote commander.
4)
Select page: 2, address: 0E, and set data: 40.
5)
Select page: D, address: 8A, change the data and set the voltage
(A) between the pedestal and GAMMA1 limiter level to the
specified value. (The data of address: 8A should be “1E” to
“A0”.)
6)
Press the PAUSE button of the adjustment remote commander.
7)
Select page: 2, address: 0E, and set data: 00.
8)
Select page: 3, address: 22, set data: 00, and press the PAUSE
button of the adjustment remote commander.
9)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
10)
Select page: 0, address: 01, and set data: 00.
Fig. 5-1-18.
Fig. 5-1-19.
Pedestal
A
2H
Pedestal
Pedestal
A
2H
GAMMA 1 limiter lavel