Mhz Deviation Adjustment (Vc-195 Board); Bpf Adjustment (Vc-195 Board); Arrangement Diagram For Adjustment Parts - Sony Handycam CCD-TR311 Service Manual

1. 1.5 MHz Deviation Adjustment (VC-195 board)

Adjust to the optimum audio FM signal distortion.
If the adjustment is not correct, its playback level will differ from
that of other units.
Mode Playback
Signal Alignment tape:
For checking the operation
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
Measurement Point Audio output terminal
Measuring Instrument Audio level meter
Adjustment Page F
Adjustment Address 45
Specified Value –7.5±0.5dBs
Note 1: NTSC model: CCD-TR311
PAL model: CCD-TR311E/TR411E/TR412E/TR511E/
TR512E/TR640E
Adjusting method :
1) Select page: 0, address: 01, and set data: 01.
2) Select page: F, address: 45, change the data and set the 400Hz
signal level to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Select page: 0, address: 01, and set data: 00.

2. BPF Adjustment (VC-195 board)

Adjust to the optimum audio BPF characteristics of the IC.
If the adjustment is not correct, the distortion rate and S/N ratio will
worsen.
Mode Playback
Signal Alignment tape:
For BPF adjustment
(WR5-11NS (NTSC))
(WR5-11CS (PAL))
Measurement Point Audio output terminal
Measuring Instrument distortion meter
Adjustment Page F
Adjustment Address 47
Specified Value The distortion rate should be and
minimum.
Adjusting method :
1) Select page: 0, address: 01, and set data: 01.
2) Select page: F, address: 47, change the data and minimize the
distortion rate.
3) Press the PAUSE button of the adjusting remote commander.
4) Select page: 0, address: 01, and set data: 00.
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3-7.

ARRANGEMENT DIAGRAM FOR ADJUSTMENT PARTS

VC-195 BOARD (SIDE A)
10 1 23 1
CN909 CN551
16
17
48 33
IC001
49 32
IC301 32
33
64 17
1 16
VC-195 BOARD (SIDE B)
1
CN910
16
50 26
51 25
CN501
IC604
2 1
132 89
133 88
75 1
76 100
16 15
IC202
176 45
1 44
CN911
50 1
C085
1
64
49
48
IC501
48 37
1 36
12 25
13 24
IC751
36 25
37 24
48 13
1 12
5-54E