Sony tc we 305 service manual

Page 1

TC-WE305

SERVICE MANUAL

Ver 1.2 2003.12
With SUPPLEMENT-1
(9-960-691-81)

US Model
Canadian Model
AEP Model

E Model
Austral/an Model
PX Model

Do|bv noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
DOLBY and the double-D symbol DU are trademarks of
Dolby Laboratories Licensing Corporation.

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism DECK A
Type DECK B

TCM-YS47CZA19
TOM-Y847CZ-18

SPECIFICATIONS

System

Recording system
4-lrack 2>channel stereo

Fast-winding time (approx)
120 sec. (with Sony 060 cassette)

Bias
AC bias

Signal-tomoise ratio (at peak level and
weighted with Dolby NR off)
Type 1 tape, Sony Type I (NORMAL):
55 dB
Type II tape, Sony Type II (HIGH):
57 dB
Type IV tape, Sony Type IV (METAL):
58 dB

SIN ratio improvement (approximate values)
With Dolby NR on: 5 dB at 1 kHz,
10 dB at 5 kHz

9-960-691-13 Sony Corporation
2003L02-1 Home Audio Company
©2003.12 Published by Sony Engineering Corporation

Harmonic distortion
0.4% (with Type I tape, Sony Type I
(NORMAL): 160nWb/m 315 HZ, 3rd
HD.)
13% (with Type IV tape, Sony Type
IV (METAL): 250 nWb/m 315 HZ, 3rd
HD.)

Frequency response (Dolby NR off)
Type I tape, Sony Type I (NORMAL):
30 - 14,000 Hz (:3 dB, IEC)
20 -15,000 H7. (16 dB)
Type II tape, Sony Type Il (HlGH):
30 - 15,000 Hz (:3 dB, IEC)
20 -16,000 Hz(16 dB)
Type IV tape, Sony Type IV (METAL):
30 ~15,000 H7. (:3 dB, IEC)
20 - 16,000 Hz (:6 dB)
30 -13,000 H7. (:3 dB, -4 dB
recording)

- Continued on page 2 -

STEREO CASSETTE DECK
S O NY®

Page 2

Inputs
Line inputs (phone jacks)

Sensitivity: 0.16 V
Input impedance: 47 kilohms

Outputs
Line outputs (phono jacks)
Rated output level: 0.5 V at a load

impedance of 47 kilohms
Load impedance: Over 10 kilohms

General

Power requirements

Where purchased Power requirements
US, Canadian model 120V AC. 60Hz
AEP, Singapore model 220 - 230V AC, 50/60Hz
Australian model 240V AC. 50/60Hz
E , PX model 120/220/240V AC, 50/60Hz

Power consumption
15 W (Continental Europe)
27 W (Other countries)

Dimensions (approx)
430 X 120 x 305 mm (w/h/cl)
(17 X 4 /4 x 12 '/n inches)
including projecting parts and
controls

Mass (approx)
3.3 kg (7 lbs 4 oz)

Supplied accessories
Audio connecting cords (2 phono
plugs - 2 phone plugs) (2)

Design and specifications are subject to
change without notice.

MODEL IDENTIFICATION

SONYo

STEREO CASSETTE DECK

WWW

MODEL NO. TO-WESOS

US, Canadian model : AC 120V 60Hz

TABLE OF CONTENTS
Specifications ............................................................... 1
Safety Checkvout ........................................................... 3
1. GENERAL
Identifying the Parts ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 4

2. DISASSEMBLY
2-1. Front Panel Removal ~~~~~~~~
2-2. Mechanism Deck Removal ~

3. ADJUSTMENTS
3-1. Mechanical Adjustments
3-2. Electrical Adjustments

4. DIAGRAMS
4.1 Printed Wiring Boards ....................................... 10
4-2. Schematic Diagram ------------------------------------------- 13

5. EXPLODED VIEWS
5-1. Chassis Section VVVVVVV
5-2. Front Panel Section l8
5-3, Mechanism Deck Section 1 19
5-4. Mechanism Deck Section 2 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 20

~17

s. ELECTRICAL PARTS LIST ----------------------------------- 21

Australian model
AEP, Singapore model
E, PX model

: AC 240V~50/60Hz
: AC 220- 230V~50l60HZ
: AC120/220/240V~50/60HZ

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