JVC MX-G50 Service Manual page 24

MX-G50/MX-G56
To adjust plabyback level/REC
Notes
1) Before the actual adjustment, clean the play/recording
head.
2) Measuring tape :
i) VT-703 / MTT-114N(or equivalent 10kHz AZIMUTH control)
ii) AC-225/MTT-5512(or equivalent)
3) The cassette deck is connections as shown in figure 1-7.
1. Adjust Deck 1 Play Level
Step Item
AZIMUTH
1
2. Adjust Deck 2 Play Level/REC BIAS
Step Item
1
AZIMUTH
Recording
Bias
2
Voltage
1-24
Pre-Setup
Pre-Setup
Condition
After putting MTT-
SPK OUT
114N into Deck 1
(VTVM is
- Press FWD PLAY
connected to
button.
the scope)
Pre-Setup
Pre-Setup
Condition
After putting VT-703
SPK OUT
into Deck 2
(VTVM is
1)Press FWD PLAY
connected to
button.
the scope)
After putting AC-225
into Deck 2
Fig 1-8
1)Press REC PLAY
button.
2)MAIN PCB JCW3,
connectted to VTVM
-114N(or equivalent 10kHz AZIMUTH control)
To Adjust
- T urn the control
screw to as shown
in Figure 1-6.
To Adjust
- T urn the control
screw to as shown
in Figure 1-6.
Turn JSR2L,JSR2R
to the right and left
Standard
Remark
After
Max output
adjustment
and same phase
secure it with
(both channels)
REGION
LOCK.
Standard
Remark
After
Max output
adjustment
and same phase
secure it with
(both channels)
REGION
LOCK.
mV)
7mV( 0.5