JVC MX-GB6 Service Manual page 35

4.2.2 To adjust playback level/REC
Notes
1) Before the actual adjustment, clean the play/recording
head.
2) Measuring tape :
i) MTT-114N (or equivalent 10kHz AZIMUTH control)
ii) MTT-5512
3) The cassette deck is connections as shown in figure 7.
1. Adjust Deck 1 Play Level
Step Item
SPK OUT
(VTVM is
1 AZIMUTH
2. Adjust Deck 2 Play Level/ REC BIAS
Step Item
SPK OUT
(VTVM is
1 AZIMUTH
Recording
Bias
2
Voltage
Pre-Setup
Pre-Setup
Condition
After putting MTT-
114N into Deck 1
connected to -Press FWD PLAY
the scope) button
Pre-Setup
Pre-Setup
Condition
After putting MTT-
114N into Deck 2
connected to -Press FWD PLAY
the scope) button
After putting MTT-
5512 into Deck 2
Fig.8
1) Press REC PLAY
button.
2) Tape board CW110,
connected to VTVM.
To Adjust
-Turn the control Max output
screw to as shown and same phase
in Fig.6. (both channels)
To Adjust
-Turn the control Max output
screw to as shown and same phase
in Fig.6. (both channels)
Check to
-Turn JVR01, JVR02
to the right and left. 7mV (±0.5 mV)
Standard Remark
After
adjustment
secure it with
REGION
LOCK.
Standard Remark
After
adjustment
secure it with
REGION
LOCK.
(No.MB160)1-35