Sony GV-D200E, Service Manual

Page: 118 / 166

5-28
7. Hi8/standard 8mm AFC fo Adjustment
(VC-250 board)
Adjust the pull-in range of the clock generator (IC2201) for A/D
conversion during Hi8/standard 8mm playback.
Mode VTR stop
Signal No signal
Measurement Point Pin
2
of CN933 (AFC f0)
Measuring Instrument Digital voltmeter
Adjustment Page F
Adjustment Address 65
Specified Value A=1.40 ± 0.05Vdc
Or the data of page: 6, address: 6E is
“7C” to “84”
Adjusting method:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 D 10 02 Set the data, and press PAUSE
button.
3 3 0D 04 Set the data, and press PAUSE
button.
4 6 63 04 Set the data.
5 6 6F 01 Set the data.
6 6 01 C5 Set the data, and press PAUSE
button.
7 6 02 Check that the data is “00”.
8 6 6E Check that the data satisfies the
specifies value.
Or check that the DC voltage
(A) satisfies the specifies value.
9 3 0D 00 Set the data, and press PAUSE
button.
10 6 01 00 Set the data, and press PAUSE
button.
11 6 63 00 Set the data.
12 6 6F 00 Set the data.
13 D 10 00 Set the data, and press PAUSE
button.
14 0 01 00 Set the data.