Aiwa HS-EM20 Service Manual page 7

ADJUSTMENT
1. Tape Speed Adjustment
Settings: • Test tape :
• Test point :
• Adjustment location : SFR51
• MSP :
• Tape selector :
• Volume :
Method: Play back the test tape and adjust SFR51 so that the
frequency becomes 3000Hz ± 10Hz.
Then confirm WOW is less than 0.50%.
2. Azimuth Adjustment
Settings: • Test tape :
• MSP :
• Tape selector :
• Volume :
• Adjustment location : Head azimuth adjustment
Method: Play back(FWD) the test tape and adjust screw so that
the 8kHz signal output is maximum.
TTA–100
(Tape center)
PHONES (J1)
CLASSIC
NORM
Non-clip
(MAX-10dB)
TTA–330/TTA-420
CLASSIC
NORM
MAX
screw
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