JVC MXDVA5 - 3 DVD/CD Home Theater Mini System, Service Manual

Page: 22 / 85

MX-DVA5
1-22
1) Before the actual adjustment, clean the play/recording
head.
2) Measuring tape :
i) VT-703 ( 10kHz AZIMUTH control)
ii) AC-225
3) The cassette deck is connections as shown in figure 1-7.
Notes
AZIMUTH 1
SPK OUT
(VTVM is
connected to
the scope)
Turn the control
screw to as shown
in Figure 1-6. Max output
and same phase
(both channels)
After adjustment
secure it with
REGION LOCK.
Adjust AZIMUTH
when you
exchange the
head.
Remark
Standard
To Adjust
Pre-Setup
Item Step
Pre-Setup
Condition
After putting VT-
703 into Deck A
1) Press FWD PLYA
button.
2) Press RVS PLAY
button.
AZIMUTH 1
2
SPK OUT
(VTVM is
connected to
the scope)
Turn the control
screw to as shown
in Figure 1-6. Max output
and same phase
(both channels)
7mV
Turn JSR2L,JSR2R
to the right and left
Remark
Standard
To Adjust
Pre-Setup
Item Step
Pre-Setup
Condition
Fig 1-8
After putting VT-
703 into Deck B
1)Press FWD PLAY
button.
2)Press RVS PLAY
button.
After putting AC-
225 into Deck B
1)Press REC PLYA
button.
2)MAIN board JCW3,
connectted to VTVM
Recording
Bias
Voltage
2-2 T o Adjust Playback Level/REC
2. Adjust Deck B Play Level/REC BIAS
1. Adjust Deck A Play Level
After adjustment
secure it with
REGION LOCK.
Adjust AZIMUTH
when you
exchange the
head.