Cassette Deck - Grundig FREAXX 50 RRCD 4305 SPCD Bedienungsanleitung

GRUNDIG Service

2. Cassette Deck

Measuring instruments/equipment: Frequency Counter, AF Voltmeter, Wow and Flutter Meter, Fe Test Cassette (e.g. 449)
Adjustment
1. Tape speed Connect the Frequency Counter to the headphone
socket.
Insert Test Cassette (e.g. 449), play 3150Hz part.
2. Wow and flutter Connect the Wow and Flutter Meter to the headphone
socket.
Insert Test Cassette (e.g. 449), play 3150Hz part.
3. Head gap angle Connect the AF Voltmeter to the headphone socket.
(Azimuth) Insert Test Cassette (e.g. 449), play 8kHz part.
4. Bias frequency Connect the Frequency Counter to connector CN401
Pin2 / Pin4 (GND).
Insert a recordable cassette.
Function: Record-Start.
Preparation
2 - 4
FREAXX 50 RRCD 4305 SPCD
Adjustment Process
With adjustment control (in the cassette motor) set the
±
frequency to 3150Hz 0.1%.
Deviation < 0.35% (aurally compensated). Playback
measuring time ≥ 30 seconds.
With the head adjustment screw 1 set the
left and right channel to maximum level.
The levels of the two channels must not
differ by more than 3dB.
Set the frequency to 64kHz ± 0.3kHz with L401.
Bandgeschw.
Tape speed
1