Sony CFD-RG880CP Service Manual page 22

CFD-RG880CP
TAPE SECTION
0 dB = 0.775V
1. Demagnetize the record/playback head with a head demagne-
tizer.
2. Do not use a magnetized screwdriver for the adjustments.
• Test Tape
Tape Signal
P-4-A063 6.3 kHz, –10 dB
WS-48A 3 kHz, 0 dB
Tape Speed Adjustment
Procedure:
Mode: playback
Adjust so that the value on the digital frequency counter is 3,000
Hz.
Specifi cation Value:
Digital frequency counter
2,940 to 3,060 Hz
Adjust so that the frequency at the beginning and that at the end of
tape winding are between 2,970 to 3,030 Hz.
test tape
WS-48A
(3 kHz, 0 dB)
set
22
Used for
Azimuth Adjustment
Tape Speed Adjustment
digital frequency
counter
32 Ω
jack (J391)
Adjustment Location:
Tape speed adjustment
control inside motor
(M971)