Sony tc s 7 service manual

Page 1

SERVICE MANUAL

TB-S]

US Model
Canadian Model
AEP Model

UK Model

Recording system 4-track 2-channel stereo
Fast-forward and rewind time

Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type TCM-ZOOVSO
SPECIFICATIONS

Approx, 90 sec. (with (3-60 cassette)

Wow and flutter i009 % W.Peak (IEC)
0.05 % WFIMS (NAB)
i014 % WtPeak (DIN)

Bias AC Bias
Signal-lo-noise ratio (NAB. at peak level) Inputs
Cassette DOIDY NR SWllCh OFF B-TYPE ON C-TYPE ON Line inputsk Sensutivuy 77.5 mv
0 onoiac 5) Input impedance 47 k ohms
TYPE IV (Sony METAL-ES) 60 dB 69 dB 75 dB
TYPE ll (Sony UX-S) 59 dB 68 d8 74 dB Outputs
TYPE I (Sony HRS) 57 dB 66 dB 72 dB
Line outputs Rated output level 032 V at a load
. , . (phono jacks) impedance 47 k ohms
Total harmonic distortion .
1.0% (with Sony METAL-ES cassettes) L035 Pedance Ove' 1° k 3th
Frequency response (DOLBY NFl OFF) General

TYPE lV cassette 20 - 20,000 Hz (:3 dB, IEC)

recording)

(Sony METAL-ES) 20 - 16,000 Hz (:3 dB, 0 VU (*4 dB)

TYPE || cassette 20 -1a,ooo Hz (i3 dB, lEC)
(Sony UX-S)

TYPE lcasseIle 20 -17,000 Hz (i3 d8, IEC)
(Sony HF~S)

Power requirements
Model for Continental Europe
220 - 230 V AC, 50/60 Hz
Model lor the United Kingdom
240 V AC, 50/60 HZ

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STEREO CASSETTE DECK

SONE

Page 2

TC-S7

Power consumption

17 waits

Approx. 430 X 95 X 360 mm

(17 X 33/. X 14/. inches) (w/h/d)
including projecting parts and controls
Weight Approx. 5.8 kg (12 lb 13 02)

Dimensions

Supplied accessory
Audio connecting cord (2)

Design and specifications subject to change without notice.

Note
This appliance conforms with EEC Directive 87/308/ EEC regarding
interference suppression.

Flexible Circuit Board Repairing

0 Keep the temperature of the soldering iron around
270°C during repairing.

0 Do not touch the soldering iron on the same conduc~
tor of the circuit board (within 3 times).

0 Be careful not to apply force on the conductor when
soldering or unsoldering.

Notes on chip component replacement

0 Never reuse a disconnected chip component.
0 Notice that the minus side of a tantalum capacitor
may be damaged by heat.

TABLE OF CONTENTS

Section Title Page
1_ GENERAL ........ . ......................... .......... ................ 3
2, ADJUSTMENTS ........... . ........... . ....................... W4
3. DIAGRAMS
(H. Block Diagram ~~~~~~~~~~~ u 10
8-2. Circuit Boards Location 12
3-3. Printed Wiring Boardsm ~16
3-4. Schematic Diagram-u ........... . .................. ..... . 19

4. EXPLODED VIEWS
4.1. Front Panel Section nuuununu ........................ .. 25
42 Rear Panel Sectionm
4-3t Mechanism Section (1)
4-4. Mechanism Section (2)
4-5. Mechanism Section (3)-~

5. ELECTRICAL PARTS LIST ...................................... 30

SAFETV-RELATED COMPONENT WARNING
COMPONENTS IDENTIFIED BV MARK A OR DOTTED

LINE WITH MARK

A ON THE SCHEMATIC DIAGRAMS

AND IN THE PARTS LIST ARE CRITICAL T0 SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB~

LISHED BY SONV.