Adjustment Procedures - Grundig UMS 25 Service Manual

Abgleichvorschriften / Adjustment Procedures

Adjustment Procedures

GB
Tape Deck
Measuring instruments/Test equipment:
AF voltmeter, frequency counter, Cr test cassette (3150Hz / 10kHz) e.g. 448A
Adjustment
1. Azimuth Access to the adjustment screws of the audio heads is
possible through small cutouts on the front panel.
Play back the 10kHz sound section on the Cr test cassette.
AF voltmeter to Loudspeaker outputs.
2. Speed Load Cr test cassette and play back the 3150Hz sound
section.
Frequency counter to Loudspeaker outputs.
2 - 2
Preparation Adjustment Procedure
Set the left and right channel with the respective screws in
normal and reverse mode for same maximum.
reverse normal
A U T O R E V E R S E
U M S 25
R E M O T E C O N T R O L L E D H I F I S T E R E O M I C R O S Y S T E M
With motorpoti set the frequency to 3150Hz
Motorpoti
UMS 25
E J E C T
±
50Hz.
GRUNDIG Service