Aiwa TP-VS805 Service Manual page 9

ADJUSTMENT
1. Tape Speed (4.8 cm/s) Adjustment 1
Settings : • Test tape : TTA-100 (TAPE CENTER)
• Test point : PHONES JACK (J102)
• Adjustment location : SFR301
• PAUSE : OFF
• REC MODE SW : NORM (4.8 cm/s)
• VOLUME : Maximum
• TAPE SPEED : Normal (Speed volume center)
Method : Play back the test tape and adjust SFR301 for 3000 Hz
± 10 Hz (FWD). Then confirm that the speed at the
reverse side is FWD speed ± 45 Hz (REV). Then the
confirm wow is less than 0.55 %.
2. Tape Speed (2.4 cm/s) Adjustment 2
Settings : • Test tape : TTA-160 (TAPE CENTER)
• Test point : PHONES JACK (J102)
• Adjustment location : SFR302
• PAUSE : OFF
• REC MODE SW : EXT (2.4 cm/s)
• VOLUME : Maximum
• TAPE SPEED : Normal (Speed volume center)
Method : Play back the test tape and adjust SFR302 for 3000Hz ±
10 Hz. Then the confirm wow is less than 1.0%.
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(6 kHz tape)