Read Sony GV-D200 Service Manual online
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.
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”
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.
button.
3
3
0D
04
Set the data, and press PAUSE
button.
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.
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.
specifies value.
Or check that the DC voltage
(A) satisfies the specifies value.
9
3
0D
00
Set the data, and press PAUSE
button.
button.
10
6
01
00
Set the data, and press PAUSE
button.
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.
button.
14
0
01
00
Set the data.
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