Cassette Deck - JVC MX-G50 Service Manual

2 Cassette Deck

To adjust tape speed
Notes
1) Measuring tape: i) VT-712/MTT-111(or equivalent)
(Tapes recorded with 3kHz)
ii) AC-225/MTT-5512(or equivalent)
2) Connect the cassette deck to the frequency counter
as in figure 1-5.
Pre-Setup
Step Item
Condition
OUT
NOR
1
(connected
SPEED
to the frequency
Control
counter)
Recording /Play head
AZIMUTH control screw
Figure 1-6
Audio OSC.
Pre-Setup
1) Deck 1:VT-712
2) Press PLAY
SW button
3) Deck 2:Same
as above
Cassette Deck
SET
(MAIN PCB)
LINE OUT
IN TP
AUX IN JCW3
Figure 1-8
Cassette Deck
SPK OUT
Figure 1-5
To Adjust
Standard
Turn VSR1 to
left and right
(FRONT PCB)
Oscilloscope
VTVM
SPK OUT
(GND)
In Out
Figure 1-7
VTVM
Oscilloscope
IN OUT
MX-G50/MX-G56
Frequency Counter
output
Remark
1%
3KHz
range
1-23