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Abgleichvorschriften / Adjustment Procedures
2. Tape Deck
Measuring instruments/Test equipment:
AF voltmeter, frequency counter, e.g. test cassette 448A
Alignment
1. Azimuth
Access to the adjustment screws of the audio heads is
possible through small cutouts on the front panel.
If there is no suitable screwdriver available, access to the
audio head screws is better by removing the cassette
compartment covers (see point 5.7 of the disassembly
instructions).
Play back the 10kHz pilot sound section on the Cr test
cassette 448A.
AF voltmeter to Loudspeaker outputs.
2. Speed
Deck A or B:
Load Cr test cassette 448A and play back the 3150Hz
sound section.
Frequency counter to Loudspeaker outputs.
3. Erase oscillator
Deck B: Insert empty cassette, Record.
frequency
Frequency counter to Testpoint TP1 or TP2.
Alignment Layout
ZF-Filter / IF Filter
FM
AM
AUX IN
2 - 4
Preparation
Frontend
TP20
TP18
TP19
Procedure
With screw A set the left and right channel for same
maximum.
A
With VR602 adjust for 3150Hz
With T608 adjust for 63kHz
Pin 8
Pin 9
TP2
TP1
M 14
±
60Hz.
±
1kHz.
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