Pioneer CT-7R - Service Manual

dW) PIONEER’
Service
BACCARAT AA OANA,
Bed Ef eet ORDER NO.
This photograph is CT-7R. ARP-001-0
STEREO CASSETTE TAPE DECK
T=7R
CT-6R
PIONEER
ELECTRONIC
CORPORATION
4-1.
Meguro
1-Chome,
Meguro-ku,
Tokyo
153,
Japan
U.S.
PIONEER
ELECTRONICS
CORPORATION
&5
Oxford
Drive,
Moonachie,
New
Jersey
07074,
US.A
PIONEER
ELECTRONIC
(EUROPE)
N.V.
Luithagen-Haven
9,
2030
Antwerp,
Belgium
PIONEER
ELECTRONICS
AUSTRALIA
PTY.
LTD.
178-184
Boundary
Road,
Braeside,
Victoria
3195.
Australia
YZ ©ONOV.1981 Printed in Japan

Summary

MECHANICAL DESCRIPTIONS

Mechanism Operation

SCHEMATIC DIAGRAM

Signal and Control Section

Provides the main schematic diagram for the signal and control circuits.

MECHANICAL ADJUSTMENTS

Pinch roller pressure adjustment

Procedure for adjusting the pinch roller pressure using a tension gauge.

Preliminary azimuth adjustment

Steps for performing preliminary adjustment of the head azimuth.

Tape travel adjustment

Guide for adjusting tape travel to prevent curling on heads and guides.

Fast forward and rewind rotational speed adjustment

Procedure to adjust FF/REW rotational speed using a frequency counter.

Playback mode winding torque adjustment

Instructions for adjusting winding torque during playback mode.

Fast travel torque check

Method to check fast forward and rewind torque using a meter.

Back-tension torque check

Procedure for checking supply reel back-tension torque during playback.

ELECTRICAL ADJUSTMENTS

Precaution

HEAD AZIMUTH ADJUSTMENT

TAPE TRANSPORT ADJUSTMENT

PLAYBACK LEVEL ADJUSTMENT

PLAYBACK EQUALIZER CHECK

Procedure

ERASURE CURRENT ADJUSTMENT

RECORDING;PLAYBACK FREQUENCY RESPONSE ADJUSTMENT

RECORDING LEVEL ADJUSTMENT

Setting

Procedure

Details how to adjust recording level for different tape types and Dolby NR.

LEVEL METER CHECK

LEADER TAPE DETECT ADJUSTMENT

Procedure

Pioneer CT-7R Specifications