Sony tc wa 7esa service manual

Page 2

Wow and flutter

IC-WA7ESAIWE7OSS/WE805S/
WR550Z

TC-WE 505

20.14% W. Peak ("50
0.08% W. RMS (NAB)
20.19% W. Peak (DIN)

:0J3} W. Peak (IEC)
0.07% W. RMS (NAB)
20.18% Wt IL'ak (DIN)

Variable pild) range (approx) (re-wens: and Tc-wzsos only)
~30 to 00%

Inputs

Linc inputs (phono jacks)
Sensitivity: 0.16V
Input impedance: 47 kilohrns

Outputs

Line output: (phono jaekx)
Rated output level: 0.5 V at a load impedance 0!
47 kilohms
Load impedance: Over 10 kilohms

Headphones (stereo phoneyack)

Oulpul level: 0.75 rnW at a load impedance of
32 ohms

General

Power requirements

Where purchased
US. Canadianl
Panama model

AEP. UK, German.
Malaysia Singapon.
Chinese model

Power requirements

IZOV ACl 60H:

220 " Z30V AC. 50/60Hz

240V AC. SO/oOHz
IZO/lZO/ZAOV AC. 50/60Hz

Australian model
E model

Pow" consumption
26W

Dimenrlonx (approx) (wlhld)

UK, and Australian modcl 1
430 X IZO X 303 mm (w/h/d)
(I7 x4 II x 12 inches)

EXCEPT UK, Australian model 1
430 X IZOX 290 mm (w/II/d)
(l7 x 4 V. X Il'lz inchcs)
including projccling pans and conlrols

Mast (approx)
4.2 kg (9 lbs 5 oz)

Supplied ac Audio connecling cords (2 pllom) plugs » 2 plIonU
plugs) (2)
Remote commander (RM-m0) (I) :
(WA7ESA . Canadian model)

Design and specifications are subjecl to change without
notice.

TABLE OF CONTENTS
Section Title
Specifications -
Safety Check-out
1. GENERAL
1~1. Identifying the Parts ------------------------

2. DISASSEMBLY
21. Front Panel Removal
2-2. Mechanism Deck -----
2-3. Capstan Motor, Reel Motor -
2-4. Head, Pinch Roller ~~~~~~~~~~~~

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

4. EXPLANATION OF IC TERMINALS ------

5. DIAGRAMS
5.1. Block Diagram ..............................
5-2. Printed Wiring Boards (Main Section)
5-3. Schematic Diagram (Main Section
5.4. Schematic Diagram (Panel Section
5-5. Schematic Diagram (Audio Section) -
5-6. Printed Wiring Boards (Audio Section)
5»7. Printed Wiring Boards (Dolby Section)
5-8. Schematic Diagram (Dolby Section)

6. EXPLODED VIEWS
6-1. Chassis Section rrrrrrr
6-2. Front Panel Section .
6-3. Mechanism Section 1
6-4. Mechanism Section 2...

7. ELECTRICAL PARTS LIST --------------------

MODEL IDENTIFICATION
(Specification Label)

SONYo

STEREO CASSETTE DECK

WWW

MODEL NOl

US, Canadian, Panama model : AC 120V 60Hz
Australian model : AC 240V~50l60Hz
AEP, UK, Malaysia, Singapore,
Chinese, German model : AC 220-230V~50/60Hz

E model : A01 20/220/240V~50/60Hz

................ 4

............... 11

............... 44

TC-WA7 ESA
TC-WE505

TC-WESOSS
TC-WE7OSS
TC-WR5502