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3. REC Separation Adjusdtment
[Connection]
[Adjustment I Check]
Measuring Point
Measuring Equipment
TP21 1
Oscilloscope
External microphone jack: 1 kHz,
- 66.0 dBs (LJR in - phase)
ADJ. Location
Less than 69.3 mVp-p
VR221
( - 30 dBs/JIS A )
Preparation:
• Stand-by switch : "STANDBY"
Adjusting I Checking method:
• POWER switch: "CAMERA"
1 . Adjust with VR221 so that the audio output level is less
than 69.3 mVp-p (
30 dBs/JIS A audio corrections).
-
Condition
Record
I
Input Signal
Alignment Tape
ADJ. / Check Value
4. Overall Level Check
[Connection]
[Adjustment I Check]
Measuring Point
Audio output
terminal
ADJ. Location
Preparation:
• Stand - by switch: "STANDBY"
Adjusting I Checking method :
• POWER switch: "CAMERA" and "PLAYER"
1 . Record.
2. Play back the recorded portion.
3. Confirm that the audio output level is 0.62 - 1 .55 mVp-p
(
7 ± 4 dBs) and the distortion ratio is less than 3%.
-
9 . . . : :
1 kHz oscillator
Shield wire
- 5-24 -
Measuring Equipment
Oscilloscope
I
MP type tape
Input Signal
Alignment Tape
External microphone jack: 1 kHz,
- 66.0 d Bs (LJR in-phase)
ADJ. / Check Value
0.62 - 1 .55 Vp - p ( - 7 ± 4 d Bs) less
than 3%
Condition
Record and
playback (SP)
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