Afc F0 Adjustment (Vc-195 Board); Filter F0 Adjustment (Vc-195 Board) - Sony Handycam CCD-TRV3E Service Manual

2. AFC f0 Adjustment (VC-195 board)

Adjust the pull-in range of the A/D converted clock generator during
playback.
Mode VTR stop
Signal No signal
Pin 4 of CN910 (AGC f0)
Measurement Point
Measuring Instrument Digital voltmeter
Adjustment Page F
Adjustment Address 4A
Specified Value A = 2.10±0.05Vdc
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 4D, and press the PAUSE
button of the adjusting remote commander.
3) Select page: F, address: 4A, change the data and set the DC
voltage (A) to the specified value.
4) Press the PAUSE button of the adjusting remote commander.
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.

3. Filter f0 Adjustment (VC-195 board)

Minimize the chroma signal residual components during composite
video signal input.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Switch setting:
LASER LINK .................... ON (Red LED is lit)
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 4F, and press the PAUSE
button of the adjusting remote commander.
3) Select page: F, address: 4D, change the data and minimize the
residual chroma signal components (A).
4) Press the PAUSE button of the adjusting remote commander.
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
5-45
VTR stop
No signal
Pin 3 of CN910 (IR VIDEO)
Oscilloscope
F
4D
Minimum residual chroma signal
components (A = Bellow 12mV)
H
Fig. 5-3-8.
A