DCR-TRV360, DCR-TRV361, DCR-TRV460, DCR-TRV460E, DCR-TRV461E (serv.man4) - Sony Movie Service Manual (repair manual). Page 55

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DCR-TRV360/TRV361/TRV460/TRV460E/TRV461E
6-52
2. Hi8/Standard8 AFM 1.5 MHz Deviation Adjustment
(VC-345 Board) (DCR-TRV460/TRV460E/TRV461E)
Adjust to the optimum 1.5 MHz audio FM signal deviation.
If the adjustment is not correct, its playback level will differ from
that of other units.
Mode
Playback (PLAY/EDIT mode)
Signal
Hi8/Standard8 alignment tape:
For checking AFM stereo operation
Monoscope section
(WR5-9NS (NTSC))
(WR5-9CS (PAL))
Measurement Point
Audio left or right terminal of A/V
jack
Measuring Instrument
Audio level meter
Adjustment Page
C
Adjustment Address
38
Specified Value
–7.5 
± 2.0 dBs
Note 1:
Perform “Hi8/Standard8 AFM BPF f
0
 Adjustment” be-
fore this adjustment.
Note 2:
Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Set the MULTI sound switch (menu display) to “1”.
3) Select page: C, address: 38, change the data and set the 400
Hz signal level to the specified value.
4) Press the PAUSE button.
5) Set the MULTI sound switch (menu display) to “STEREO”.
6) Select page: 0, address: 01, and set data: 00.
3. Hi8/Standard8 AFM 1.7 MHz Deviation Adjustment
(VC-345 Board) (DCR-TRV460/TRV460E/TRV461E)
Adjust to the optimum 1.7 MHz audio FM signal deviation.
If improper, this causes deteriorated separation (with stereo sig-
nal).
Mode
Playback (PLAY/EDIT mode)
Signal
Hi8/Standard8 alignment tape:
For checking AFM stereo operation
Monoscope section
(WR5-9NS (NTSC))
(WR5-9CS (PAL))
Measurement Point
Audio left or right terminal of A/V
jack
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
39
Specified Value
–7.5 
± 2.0 dBs
Note 1:
Perform “Hi8/Standard8 AFM BPF f
0
 Adjustment” be-
fore this adjustment.
Note 2:
Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Set the MULTI sound switch (menu display) to “2”.
3) Select page: C, address: 39, change the data and set the 1 kHz
signal level to the specified value.
4) Press the PAUSE button.
5) Set the MULTI sound switch (menu display) to “STEREO”.
6) Select page: 0, address: 01, and set data: 00.
4. Digital8 Playback Level Check
Mode
VTR playback (PLAY/EDIT mode)
Signal
Digital8 alignment tape:
For audio operation check
(WR5-3ND (NTSC))
(WR5-3CD (PAL))
Measurement Point
Audio left or right terminal of A/V
jack
Measuring Instrument
Audio level meter or oscilloscope
Specified Value
32 kHz mode:
1 kHz, + 3 dBs 
± 2 dB
(2.46 Vp-p to 3.89 Vp-p)
48 kHz mode:
1 kHz, + 3 dBs 
± 2 dB
(2.46 Vp-p to 3.89 Vp-p)
44.1 kHz mode (EMP OFF):
7.35 kHz, + 2 dBs 
± 2 dB
(2.19 Vp-p to 3.47 Vp-p)
44.1 kHz mode (EMP ON):
7.35 kHz, – 2.5 dBs 
± 1.3 dB
(1.4 Vp-p to 1.9 Vp-p)
Checking method:
1) Check that the playback signal level is the specified value.
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