Read Sony DCR-TRV738E / DCR-TRV740 / DCR-TRV740E / DCR-TRV840 (serv.man2) Service Manual online
5-56
DCR-TRV738E/TRV740/TRV740E/TRV840
5. Hi8/Standard8 Y/C Output Level Setting
(VC-278 board)
Set the Y/C signal output level during the Hi8/Standard8 playback
mode.
mode.
Mode
VTR stop
Signal
No signal
Adjustment Page
C
Adjustment Address
44, 45
Note1:
Perform this adjustment when IC2201 is replaced.
Note2:
The data of page: 0, address: 10 must be “00”.
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
9E
01
Set the data.
4
3
A4
Check that the data.
When the data is “53”, proceed
to step 5.
When the data is “03”, proceed
to step 8.
When the data is “53”, proceed
to step 5.
When the data is “03”, proceed
to step 8.
5
C
44
<69> Set the data, and press PAUSE
[65]
[65]button. (Note3)
6
C
45
<64> Set the data, and press PAUSE
[72]
button. (Note3)
7
Proceed to step 10.
8
C
44
A0
Set the data, and press PAUSE
button.
button.
9
C
45
<AA> Set the data, and press PAUSE
[B8]
button. (Note3)
10
3
9E
00
Set the data.
11
D
10
00
Set the data, and press PAUSE
button.
button.
12
0
01
00
Set the data.
Note3:
< >: NTSC model, [ ]: PAL model
6. Hi8/standard 8mm AFC fo Adjustment
(VC-278 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
Display data of page: 3, address: 9D
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
43
Specified Value
7C to 84
Note:
The data of page: 0, address: 10 must be “00”.
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
3
93
04
Set the data.
5
3
9E
01
Set the data.
6
C
43
50
Set the data, and press PAUSE
button.
button.
7
3
01
60
Set the data, and press PAUSE
button.
button.
8
3
02
Check that the data changes from
“60” to “00”.
“60” to “00”.
9
3
03
Check that the data is “00”.
10
3
01
00
Set the data, and press PAUSE
button.
button.
11
3
9D
Check that the data satisfies the
specifies value.
When the data doesn’t satisfy the
specified value, return to step 6.
specifies value.
When the data doesn’t satisfy the
specified value, return to step 6.
12
3
0D
00
Set the data, and press PAUSE
button.
button.
13
3
93
00
Set the data.
14
3
9E
00
Set the data.
15
D
10
00
Set the data, and press PAUSE
button.
button.
16
0
01
00
Set the data.
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