Sony wm dd 33 service manual

Page 1

WM-DDBB

SERVICE MANUAL

Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the doubleD symbol III are trade.

marks of Dolby Laboratories Licensing Corporation.

Germany Model
UK Model

Model Name Using Similar Mechanism WM-DD30

MT-WMDD33-24

Tape Transport Mechanism Type

SPECIFICATIONS

Frequency response
40 - 15.000 Hz
Wow and "utter
1 013% (DIN)
0.08% WRMS (NAB)
Power output
Headphones:
10 mW+10 rer (at 10% harmonic distortion)
load impedance 32 ohms at DC operation
Outputs
Two HEADPHONES iacle (stereo minijacks)
load impedance 8-300 ohms
Power requirements
3 V DC. two He (size AA) batteries
DC IN 3 V jack accepts:
EBP-SOOB battery case (not supplied) tor use on
two R20 (size D) batteries
AC-DZM AC power adaptor (not supplied)
available in the United Kingdom ior use on 220 V AC. 50 Hz
available in other European countries for use on 220 V AC.

50 HZ
00070 car battery cord (not supplied) for use with 12 V car
battery
Battery llle
Batteries Continuous playback hours
Sony batteries SUM-3 (NS) Approx. 4
Sony alkaline batteries AMS (N) Approx. 9

For maximum performance we recommend the use of alkaline batteries

Dimensions

Approx. 82 x was x 33 mm (w/hld)

(31. x 43/3 x 15/ inches)

incl. projecting parts and controls
Weight

Approx. 285 g (105 oz) incl. batteries,

not incl. other accessories
Accessories suplied

Stereo headphones (1)

Carrying case (1)

Battery tube (1)

Design and specifications subject to change without notice.

Note

This appliance conforms with EEC Directive 3713031550 regarding
interference suppression

Optional Accessories

AC power adaptor AC-DZM

Battery case ESP-5003

Car battery cord DOC-7O

Note: It a car battery cord or an AC power adaptor not manulactured by

Sony is used. a fuse must be installed in the battery cord or the
AC power adaptor and the polarity oi the plug must be as

illustrated.

CASSETTE PLAYER

SONY;

Page 2

WM-DD33

SECTION I
GENERAL

PARTS IDENTIFICATION

m HEADPHONES jacks (stereo minijacks)
E » rewind button

E «fast forward button

E PLAY 4 bunon

E I STOP button

E VOL (vqume) contra!

52' BATTERY indicator

E MEGA BASS selector

[3 00st NFI switch

E] TAPE selector

Cassette holder

I1:2I Battery compartment lid

@ OPEN switch

IE DO IN a v (external power input) jack