JVC MX-K6 Service Manual page 22

MX-K5/MX-K6
2 Cassette Deck
To adjust tape speed
Notes
1) Measuring tape: i) VT-712/MTT-111(or equivalent)
ii) AC-225/MTT-5512(or equivalent)
2) Connect the cassette deck to the frequency counter
as in figure 1-5.
Step Item
NOR
1
SPEED
Control
Recording /Play head
AZIMUTH control screw
Figure 1-6
Audio OSC.
1-22
(Tapes recorded with 3kHz)
Pre-Setup
Pre-Setup
Condition
1) Deck 1:VT-712
OUT
2) Press PLAY
(connected
SW button
to the frequency
3) Deck 2:Same
counter)
as above
SET
(MAIN PCB)
LINE OUT
IN
AUX IN
Cassette Deck
SPK OUT
To Adjust
Turn VSR1 to
left and right
(FRONT PCB)
Cassette Deck
SPK OUT
(GND)
VTVM
TP
JCW3
IN OUT
Figure 1-8
Frequency Counter
output
Figure 1-5
Standard
3KHz
Oscilloscope
VTVM
In Out
Figure 1-7
Oscilloscope
Remark
1%
range