Sony wm dd service manual

Page 1

Power Requirements:

SPECI FLCATI ONS

3 V dc

Internal batteries: IEC designation R6
(size AA) x 2

AC power adaptor: Refer to the following
chart to choose the correct adaptor for

your area.
Ac power line Optional ac
Country voltage power adaptor
US AC-39 available in the
Canadian 120 V ac, 60 HZ USA. and Canada
AC-37 available in the
UK 240 V ac, 50 HZ United Kingdom
AC-37 available in
AEP 220 V ac, 50 Hz European countries
120V ac, (110, 220 or
240 V ac, adjustable A038 available
by Sony personnel), in Japan
E 50/60 Hz
:goéfioéilzeo °r 240 V Ac-se available in
507601;: ' other countries

MICROFILM

12 V car battery:
battery cord

*For connection with the DOC-127A, the optional PC-

200 do plug adaptor is required.
Battery Life
(continuous playback
hours):

Sony DOC-127A car

Approx. 9 hours with supplied Sony
Eveready AM3 alkaline batteries

For maximum performance we recommend the use of alkaline bat-

teries.
Dimensions: Approx. 79 x1092 x 29 mm (w/h/d)
(31/. X45/lb x 13/" inches)
not incl. projecting parts and controls
Weight: Approx. 2909 (101/4 oz) incl, batteries. not

incl. other accessories

Tape Track:
Fast Winding Time:
Frequency Respnnse:

Wow and Flutter:

Power output:

Output:

4-track 2-channel stereo

Approx. 2min. with Sony Cassette 060

40 -15,000 Hz (with the TAPE selector

METAL)

CrO,

40 -12,000 Hz (with the TAPE selector
set to NORM)

10.13% (DIN)

0.08% WFlMS (NAB)

25 me 2 (max.)

20 me 2 (at 10% harmonic distortion)
at dc operation

Headphone jacks (stereo miniiack) 2
load impedance 8 - 300 ohms

set to

Tape Transport
Mechanism Type

MT-WM DD-24

1R:

SERVICEMllllUllL

Page 2

fiWM-DD

PARTS IDENTIFICATION

0 VOLUME control

0 HEADPHONES jacks (stereo mintjacks)
o» REW (rewind) button

0« FF (fast torward) button

64 PLAY (playback) button

0 Lock button (to secure the cassette panel)
0 DO IN 3 V (external power Input) jack
0 BATTERY indicator - '~
0- STOP button

0 TAPE selector

0 Battery compartment (inside)

0 Cassette panel

FEATURE

o Capable of selecting NORM or MgTofiL position
by type of tape in use.

0 DD (Disc Drive) system that has superior anti-r011-
ing effect and low wow and flutter has been em-
played.

0 Auto shut- off mechanism in FWD mode and aUto
off mechanism in FF, REW modest