Cassette Deck; To Adjust Tape Speed - JVC MX-J100 Service Manual

Cassette deck

1. To adjust tape speed

Notes
1) Measuring tape: VT 712 (or equivalent)
(Tapes recorded with 3kHz)
2) Connect the cassette deck to the frequency counter
as in figure 1-5.
Pre-Setup
Item
Step
Condition
OUT
NOR
1
(connected
SPEED
to the frequency
Control
counter)
Recording /Play head
FWD PLAY
AZIMUTH control screw
Figure 1-6
Audio OSC.
Pre-Setup
1) Deck A:VT 712
2) Press PLAY
SW button
3) Deck B:Same
as above
REVERSE PLAY
SET
(MAIN PCB)
LINE OUT
IN TP
AUX IN DW2
Figure 1-8
SPK OUT
Cassette Deck
Figure 1-5
To Adjust
Turn UVR2 to
left and right
(FRONT PCB)
VTVM
Cassette Deck
SPK OUT
(GND)
In Out
Figure 1-7
VTVM
Oscilloscope
IN OUT
MX-J100
Frequency Counter
output
Remark
Standard
±1%
3KHz range
Oscilloscope
1-21