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Text excerpt from page 6 (click to view)
A MAIN C.B (BOTTOM VIEW)
SFR1 (2.4cm) SFR3 (1.2cm) J1 EAR PHONE
J4 DC3V 2 RPH
S4 TAPE SPEED 1.2 2.4 3
1. Head Azimuth Adjustment Setting: â¢ Test tape: TTS-930 â¢ Tape speed: 2.4 cm â¢ Adjustment point: Head Azimuth Adjustment screw Method: Playback the 5 kHz signal of the test tape (TTS-930) and adjust screw so that the output becomes maximum. 2. Tape Speed Adjustment (2.4cm) Setting: â¢ Test tape: TTS-900 â¢ Volume: MAX â¢ Adjustment point: SFR1 Method: Playback the test tape (TTS-900) and adjust SFR1 so that the tape speed is become 3000 Â± 10Hz. 3. Tape Speed Adjustment (1.2cm) Setting: â¢ Test tape: TTS-910 â¢ Volume: MAX â¢ Adjustment point: SFR3 Method: Playback the test tape (TTS-910) and adjust SFR3 so that the tape speed is become 3000 Â± 90Hz.
PRACTICAL SERVICE FIGURE
Tape speed: Wow & flutter: Take-up torque: F.F torque: Rew torque: Back tension: S/N ratio: Noise level: Erasing ratio: Test tape: 3000 Hz Â± 90 Hz Less than 0.65% (RMS) (2.4cm) Less than 0.65% (RMS) (1.2cm) 4 ~ 12 g-cm 30 ~ 150 g-cm 25 ~ 60 g-cm Less than 1.3 g-cm More than 50 dB (DC. PB) More than 26 dB (DC. R/PB) Less than 1.7 mV (DC.Vol Max. PB) Less than 18 mV (DC. Vol Max. R/PB) More than 40 dB (1 kHz) TTS-900 (Wow & flutter/Tape speed â 2.4 cm) TTS-910 (Wow & flutter/Tape speed â 1.2 cm) TTS-920 (Distortion/Output) TTS-930 (Azimuth) TTS-940 (REC/PB)