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