JVC MX-J100 - Cassette Deck Adjustments; Adjusting Tape Speed

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