Practical Service Figure - Aiwa CS-130 Service Manual

< TAPE RECORDER SECTION >
1. Tape speed Adjustment
Condition: • Test tape: TTA-100
• Test point: PHONES JACK
• Adjustment location: SFR of deck motor
Method: Play back the test tape and adjust so that the
output frequency is 3000Hz.
2. Azimuth Adjustment
Condition: • Test tape: TTA-320
• Test point: PHONES JACK
• Adjustment location: Azimuth adjustment
Method: Play back the test tape and adjust so that the
output is maximum.
3. AC Bias Adjustment
Condition: • Test tape: TTA-630
• Test point: TP1
• Adjustment location: L301
Method: Set up the recording mode. Adjust L301 so that
the TP1 becomes 70kHz.
screw
12

PRACTICAL SERVICE FIGURE

< RADIO SECTION >
Sensitivity:
(IHF, THD 3%)
(S/N 20dB)
(S/N 20dB)
Intermediate frequency:
FM stereo separation:
< TAPE RECORDER SECTION >
Distortion:
S/N ratio:
Erasing ratio:
Wow & Flutter:
Take-Up Torque:
F.F & REW Torque:
Test tape:
FM Less than 25dB
MW Less than 60dB
SW Less than 40dB (8MHz)
FM 10.7MHz
AM 455kHz
More than 20dB (1kHz)
Less than 3% (PB, 1kHz)
Less than 8% (REC/PB, 1kHz)
More than 40dB
(PB, REC/PB, AC, DC)
More than 30dB
Less than 0.35% (RMS)
20-60g-cm (FWD, REV)
55-120g-cm
TTA-100
NORMAL TTA-602
TTA-210
TTA-257