Sony Handycam Vision DCR-TRV5, Service Manual

Page: 99 / 165

5-18
2. VCO Adjustment (VF-124 board)
Set the VCO free-run frequency. If deviated, the EVF screen will be
blurred.
Mode VTR stop
Signal No signal
Measurement Point Pin
!•
of CN005 (VCO) on VC-207
board
Measuring Instrument Oscilloscope (DC range)
Adjustment Page D
Adjustment Address 76
Specified Value A = 1.80 ± 0.05Vdc
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Check the GND level of the oscilloscope.
3) Select page: D, address: 76, change the data and set the PCO
output voltage (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-12
H
A
GND level
(0Vdc)
3. Bright Adjustment (VF-124 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 VTR stop
Signal No signal
Measurement Point Pin
@º
of CN005 (EVF VG) on
VC-207 board
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 7A
Specified Value A = 7.1 ± 0.1V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 2, address: 11, set data: 04, and press the PAUSE
button of the adjustment remote commander.
3) Input the following data to page: D, address: 88 to 8D.
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
4) Select page: D, address: 7A, 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) Input the following data to page: D, address: 88 to 8D.
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
7) Select page: 2, address: 11, set data: 00, and press the PAUSE
button of the adjustment remote commander.
8) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-13
Address
Data
88
00
89
00
8A
00
8B
00
8C
00
8D
00
Address
Data
88
38
89
00
8A
20
8B
20
8C
02(NTSC)
00(PAL)
8D
00
A
2H