Sony HCD-EP404 Service Manual page 12

HCD-EP404
Tape Speed Adjustment
Setting:
Function: TAPE
test tape
WS-48B
(3 kHz, 0 dB)
set
Procedure:
1. Playback WS-48B (tape center).
2. Adjsut the volume in CAPSTAN/REEL motor so that the
frequency counter reading becomes 3,000 Hz.
Specified Value: 2,910 to 3,090 Hz
3. Confirm that the frequency at the beginning and that at the end
of tape winding are between 2,955 to 3,045 Hz.
Adjustment Location:
12
frequency counter
32 Ω
+
–
HEADPHONE board
PHONES jack (JK501)
Tape Speed
Adjustment
CAPSTAN/REEL
motor
Adjustment Location: Record/Playback Head.
adjustment screw
Note: Refer to "3-8. Cassette Lid" (see page 10)