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Abgleichvorschriften / Adjustment Procedures
2. Tape Deck
Measuring instruments/Test equipment:
AF voltmeter, Frequency counter, test cassette 448A Part No.: 35079-023.00
Alignment
1. Azimuth
Only UMS 12, UMS 12-S: Remove the cassette lid cover
by means of a small screw driver. The adjustment screws
can now be set through the holes in the cassette lid.
Tape, Cr
Playback the test cassette 448A sound part 10kHz.
AF voltmeter to Loudspeaker output.
2. Speed
Tape, Cr
Playback the test cassette 448A, sound part 3150Hz
Frequency counter to Loudspeaker output.
3. Bias frequency
Tape, insert empty cassette, Record.
Frequency counter to U202 Pin 6.
VR206
2 - 4
Preparation
Cassette Board
U202
Digitized in Heiloo, Holland
Procedure
UMS 11
UMS 12
UMS 12-S
With this screw adjust for an
With the corresponding
screw adjust for an equal
equal maximum on both
channels.
maximum on both channels.
UMS 12
UMS 11
UMS 12-S
Motorpoti
With VR206 (see Alignment
layout) adjust for 3150Hz
With the motorpoti adjust
±
±
for 3150Hz
50Hz.
50Hz.
±
With U202 adjust for 110kHz
30/7/2014
UMS 11 ... UMS 12-S
normal
reverse
2kHz.
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