Samsung MAX-870 Service Manual page 19

4-2-3 To Adjust Recording Level
NOTES
1) Connect the measuring instruments as shown in Figure 4-6.
2) Set the DOLBY NR Switch off.
3) Measuring tape:
MTT-5512 (or equivalent: normal recording)
4) The input signals supply 400Hz 400mV into AUX IN of AMP (AUDIO OSC.)
Pre-Setup
Item
Step
Pre-Setup
Condition
Normal
Connect to TP2
Insert MTT-5512
electric
1
as in Figure4-6
into Deck2, then
current
and read VTVM
press REC button.
for
recording
Connect to Insert MTT-5512 into
BIAS
TP3 as in Figure
Deck2, then press
Electric
2
4-6 and read the
current
REC button.
VTVM
Cassette Deck
Audio OSC.
LINE OUT
IN
TP
AUX IN
Samsung Electronics
Standard
To Adjust
L-CH : JSR3L
to the right and
400 mV
left.
R-CH : JSR3R
to the right and
left
L-CH: JSR4L and
6 mV
R-CH: JSR4R to
the right and left
VTVM
Oscilloscope
IN OUT
Figure 4-6
Remark
See diagram
for adjustment
locations
See diagram
for adjustment
locations
Alignment and Adjustments
4-3