Sony GV-D300 Operating Instructions (primary manual), Service Manual

Page: 98 / 148

5-34
2. PANEL –19V Adjustment (CB-61 board)
Mode VTR stop
Signal No signal
Measurement Point Pin
!ª
of CN9928 (CPC VGL –18V)
Measuring Instrument Digital voltmeter
Adjustment Page D
Adjustment Address 64
Specified Value A = –19.0 ± 0.5Vdc
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 64, change the data and set the DC
voltage (A) to the specified value.
3) Press the PAUSE button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.
3. Horizontal Position Adjustment (CB-61 board)
Adjust the position of the image.
If its position is not correct. it will slip to the right or left.
Mode VTR stop
Signal Color bar
Measurement Point CH1: Pin
9
of CN9925 (FRP)
CH2: Pin
6
of CN9925 (CSYNC)
Measuring Instrument Oscilloscope
Trigger source: CH1
Adjustment Page D
Adjustment Address 68
Specified Value T = 4.81 ± 0.10
µ
sec
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 68, change the data and set the delay
time (T) to the specified value.
3) Press the PAUSE button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.
Fig. 5-3-26.
CH1
CH2
CH1
CH2
Enlargement
T
2H