Sony CCD TRV16 - Hi8 Handycam Camcorder, Service Manual, Page: 129 / 177

2. AFC f0 Adjustment (VC-215 board)
Adjust the pull-in range of the A/D converted clock generator dur-
ing playback.
Mode VTR stop
Signal No signal
Measurement Point Pin
4
of CN910 (AFC f0)
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-215 board)
Minimize the chroma signal residual components during compos-
ite video signal input.
Mode VTR stop
Signal No signal
Measurement Point Pin
3
of CN910 (IR VIDEO)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 4D
Specified Value Minimum residual chroma signal
components (A = Bellow 35mV)
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.
Fig. 5-3-7.
A
H