Teleton CD-50 Service Manual

Germany: TELETON Electro GmbH.
4000 Disseldorf-Rath Oberhausener Str. 17
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Tel, (0211) 65 3081 TX 8586768
Teleton House, Waterhouse Lane,
Chelmsford/Essex
Technical Service Organization
Waterhouse Lane, Chelmsford, Essex.
MODEL
C D- 50
Tel. 0245-54621 TX 99338
Belgium: TELETONN.V.
2200 Borgerhout Belgium
Prins-Leopold-Straat 28
Tel. 03/361045 TX 32508
03/3576 70
Netherlands: TELETON NEDERLAND B.V.
Marconiweg 10. Vianen
Tel. 03473-3744 TX 40581
Switzerland: TRANSACO AG
Kanzleistrasse 126 8004 Zurich
Edition E
Tel. 39 45 60/23 50 40 TX 52 362
9 a nenmernemoem nee RR rt
CASSETTE DECK ALIGNMENT PROCEDURE
1. Tape Speed Adjustment
Equipment Required:
1. Standard alignment tape of 3,000 Hz
2. Wow & Flutter Meter with Tape Speed Meter
3. Amplifier
Procedure:
a. Connect the deck and speakers to the amplifier.
Connect the Wow and Flutter meter to one of the speakers and playback the standard test tape.
c.
Adjust *VR
on the motor electronic governor circuit to indicate 3,000 Hz on the center
frequency range of the meter.
the Motor. The VR is covered by a black rubber shroud, but there is a cross-shaped cut
in the rubber to allow access to the VR.
2. Head Azimuth Alignment
Equipment Required:
1. Standard alignment tape of 6,300 Hz
2. VTVM or Output Meter
Procedure:
a. Connect the VTVM or Output Meter to one of the speakers and playback the test tape.
b. Adjust the azimuth alignment screw to obtain maximum output voltage on the VTVM or
Output Meter.
3. Record Bias Adjustment
Equipment Required:
1. VIVM
Procedure:
a. Connect the VTVM to both sides of R5 on the printed circuit board for the left channel.
b. Set Selector Switch to Record Mode.
c. Adjust SVR, to obtain 45mV on the VIVM.
d.