D Range Adjustment (Pd-170 Board); Bright Adjustment (Pd-170 Board) - Sony DSR-25 Service Manual

DSR-25

2. D Range Adjustment (PD-170 Board)

Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 60, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 3, address: 22, set data: 02, and press the PAUSE
button.
4) Select page: E, address: 85, change the data and set the volt-
age (A) between the reversed waveform pedestal and non-re-
versed 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.
7) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8) Select page: 0, address: 01, and set data: 00.
A
Pedestal
E-E
Arbitrary
Pin 5 of CN1504 on VD-032 board
(VG)
External trigger: Pin 3 of CN1504
on VD-032 board (PANEL_COM)
Oscilloscope
E
85
A = 3.62 ± 0.05 Vp-p
Pedestal
2H
Fig. 5-3-14

3. Bright Adjustment (PD-170 Board)

Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 60, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 3, address: 22, set data: 02, and press the PAUSE
button.
4) Select page: 9, address: 0E, and set data: 40.
5) Select page: E, address: 80, change the data and set the volt-
age (A) between the pedestal and Gamma 1 limiter level to the
specified value.
6) Press the PAUSE button of the adjustment remote commander.
7) Select page: 9, address: 0E, and set data: 00.
8) Select page: 3, address: 22, set data: 00, and press the PAUSE
button.
9) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
10) Select page: 0, address: 01, and set data: 00.
Gamma1 limiter level
A
Pedestal
5-62
E-E
Arbitrary
Pin 5 of CN1504 on VD-032 board
(VG)
External trigger: Pin 3 of CN1504
on VD-032 board (PANEL_COM)
Oscilloscope
E
80
A = 2.17 ± 0.08 Vp-p
2H
Fig. 5-3-15