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2-8. AUDIO CIRCUIT
1 . Deviation Adjustment
[Connection]
[Adjustment I Check]
Measuring Point
Measuring Equipment
Audio output
Oscilloscope
(left) terminal
(WR5-5CSP): For operation check
ADJ. Location
VR201
0.95 - 1 .00 Vp-p ( - 7 ± 0.2 dBs)
Preparation:
Adjusting I Checking method:
• POWER switch: "PLAYER"
1 . Adjust with VR201 so that the output level is 0.95 - 1 .00
Vp-p (
7 ± 0.2 d Bs).
-
m vR 20 1
AD1 board
Condition
Playback
I
Input Signal
Alignment Tape
(monaural)
ADJ. / Check Value
2. PB Separation Adjustment
[Connection]
[Adjustment I Check]
Measuring Point
Audio output
(left) terminal
ADJ. Location
VR21 1
Preparation:
Adjusting I Checking method:
• POWER switch: "PLAYER"
1 . Adjust with VR21 1 so that the distortion ratio of the audio
output signal is less than 3 %.
- 5-23 -
AD1 board
m vR21 1
Measuring Equipment
Distortion meter
I
Input Signal
Alignment Tape
(WR5-9CS): For operation check
(stereo)
ADJ. / Check Value
Less than 3 %
Condition
Playback
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