2. Turn the adjustment screw and check output peaks. If the peaks4. After the adjustments, apply suitable locking compound to the
do not match for L-CH and R-CH, turn the adjustment scrparts adjusted.ew
so that outputs match within 2 dB of peak.
Adjustment Location:
Remove the cassette lid before adjustment (See page 8)
L-CH
peak
output
within
level
2dBwithin 2dB
R-CH
peak
screwAdjustment screws
positionREC/PB head (deck A)
screw
L-CHR-CHor PB head (deck B)
position
peakpeak
3. Mode: PlaybackTape Speed Adjustment (Deck A)
test tape
Procedure:
P-4-A100SPEAKER
terminal (JK501)1. Mode: Playback(10kHz, �10dB)
(L-CH)
oscilloscopetest tape
WS-48B
(3kHz, 0dB)frequency counter
L
set
Rset+
�
SPEAKERSPEAKER
terminal (JK501)terminal (JK501)
(R-CH)
2. Adjust the SFR201 so that the frequency counter reads 3,000
Waveform of oscilloscope
Hz ? 90Hz.
Adjustment Location: MAIN board
in phase45u90u135u180u
Sample Value of Wow and flutter
goodwrong
W. RMS (JIS) within 0.3%
(test tape: WS-48B)
[MAIN BOARD] N Component side N
Tape Speed
SFR201
CN204
N 10 N |
ACEC
