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QT-MP3W
HEAD AZIMUTH ADJUSTING SCREW
Tape recorder section
Items
:Test tape
Confirmation
TCC-182A (8KHz)
of head angle
:Measurement output
terminal
Speaker terminal
Sparker R
(Load resistance:
8 )
Headphone terminal
Confirmation
:Test tape
of tape speed
TCC-112 (3KHz)
:Measurement output
terminal
Headphone terminal
Reference Values for Confirmation Items
Items
:Test tape
Wow & flutter
TCC-112(3KHz)
:Measurement output
terminal
Headphone terminal
Measurement
conditions
1 Playback the test tape TCC-182A (8KHz)
left and right output levers become
maximum, After adjustment, lock the head
azimuth at least by half turn.
Adjust VR401 so that the frequency counter
playing back the test tape TCC-112 (3KHz)
with ending forward winding of the tape.
Measurement
conditions
When the test tape TCC-112 (3KHz) has
been mechanism at the beginning of
forward wow & flutter should be 0.25% or
less (WRMS).
Measurement method
Measurement method
2 – 3
Adjusting
Standard
positions
Values
Maximum
Adjust the head
output
azimuth screw
only
Tape speed MOTOR VR
of deck
:3,010Hz
+/-15Hz
Adjusting]
Standard
positions
Values
0.25% or
less
(WRMS)
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