Oscilloscope
RECORD mode
V.T.V.M
ERASE
HEAD
Figure 35
1) Set Mode Selector Switch (SW-8) at "CASSETTE PLAY".
2) Then set the unit at RECORD
mode.
3) Set R.ILF. Switch (SW-4) at "A".
4) Connect VTVM
to Resistor (R408).
5) It is normal if VTVM's reading is then over 55mV.
4.
LEVEL
METER
SENSITIVITY
CHECK
(Refer to Fig. 36)
Oscilloscope
CR. OSC
V.T.V.M
RECORD mode
R/P HEAD
Attenuater
—-l0dB
100 ohm
Figure
36
1)
Set Mode Selector Switch
(SW-8) at "CASSETTE
PLAY".
4)
Set the unit at RECORD
mode.
6)
Adjust Semi-variable resistor (R119, R120) so that LEVEL
meter indicates OVU.
'
5.
RECORD
AMPLIFIER
SENSITIVITY
CHECK
(Refer to Fig. 37)
cCR.OSC
KHz
RECORD
mode
Attenuater
MIC or
LINE iN
Figure
37
14