Sony Digital8 DCR-TRV410 Service Manual page 130

3. VCO Adjustment (PD-106 board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Mode Camera
Subject Arbitrary
Pin 2 of CN5501 (VCO VOLTAGE)
Measurement Point
Measuring Instrument Oscilloscope (DC range)
Adjustment Page D
Adjustment Address 84
Specified Value A = 1.70
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 84, change the data and set the VCO
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.
H
A
Fig. 5-1-16.
+ 0.03
V
– 0.05
GND level
(0Vdc)
4. D range Adjustment (PD-106 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
Subject
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: 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.
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
5-35
Camera
Arbitrary
Pin 3 of CN5501 (VG)
External trigger : Pin 4 of CN5501
(PANEL COM)
Oscilloscope
D
82
A=3.01 ± 0.05V
Pedestal
2H
Fig. 5-1-17.