(No.MB385)1-35
4.3 Arrangement of adjusting positions
4.4 Tape recorder section
Cassette mechanism assembly
(Front side)
PB Head
(Deck-A)
REC/PB Head
(Deck-B)
Head azimuth screw
(Forward side)
(Reverse side)
(Forward side)
Head azimuth screw
Head azimuth screw
Head azimuth screw
(Reverse side)
Items
Measurement
conditions
Measurement method
1. Playback the test tapeVT703 (10KHz) or equivalent.
2. Adjust the head azimuth screw to obtain maximum
output and both output of L / R is in 3dB.
3. Put on the screw lock paint after alignments.
Test tape
:VT703 (10kHz)
Measurement output
terminal
:Left and Right
speaker output
(6-ohm loaded)
or
Headphone Output
(32-ohm loaded)
Test tape
:TYPE I AC-514
Measurement output
terminal
:Erase head terminal
(CN308 8-Pin)
Maximum output
80kHz+/-3kHz
Adjust the head
azimuth screw
only when the
head has been
changed.
Cassette Head
Azimuth Alignments
Recording Bias
Frequency Alignment
1. Insert the recording tape in deck-B.
2. Starting the recording.
3. Adjust the oscillation frequency to 80kHz+/-3kHz by
core of Oscillation coil of L301.
Standard
values
Adjusting
positions
Use the High-
Impedance Probe
or Frequency
counter input.
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