Sony DCR-TRV230E Service Manual page 193

7. Hi8/standard 8mm AFC fo Adjustment
(VC-254 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 CN1108 (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
1 0 01 01
2 D 10 02
3 3 0D 04
4 6 63 04
5 6 6F 01
6 F 65 50
7 6 01 C5
8 6 02
9 6 01 00
10 6 6E
11 3 0D 00
12 6 63 00
13 6 6F 00
14 D 10 00
15 0 01 00
Procedure
Set the data.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Set the data.
Set the data.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Check that the data is "01".
Set the data, and press PAUSE
button.
Check that the data satisfies the
specifies value.
Or check that the DC voltage
(A) satisfies the specified value.
If outside, repeat steps 6 to 10.
Set the data, and press PAUSE
button.
Set the data.
Set the data.
Set the data, and press PAUSE
button.
Set the data.
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