Sony wm d 6 service manual

Page 1

AE P Model
UK Model

US Model

Doloy' and iie dnuble-D ewnbnl 3w m {rage marks 0*

' th' '
under i;

Power Requirement:

Dimensions:

Weight:
Recording System:
Wow and Flutter:

TIP. Spud Deviation:
Spud Controller

Variations:

FfWu-ncy Response

(DOLBV NR OFF):

MICROFIIfi

arteries Nolan reduction system man

,IUIEd

us» (mm Dolby Laboratories

6 V dc, four batteries, size AA (IEC R6)
BP-23 battery pack (optional)

External power input jack (required power
6 V dc) accepts appropriate ac power with
Sony at: power adaptor listed on page 7, or
12 V car battery with Sony DCC-127A car
battery cord

181 (w) x40 (h) x95 (d) mm

71/. (W) x is]. (h) 3/. Id) inches
including projecting parts

640 g, 1 lb 701 including batteries
4-track, 2-channel stereo

10,1436 (DIN)
0.04% WRMS (NAB)

20.3%
Approxr $496

With TYPE IV cassette, Sony METALLIC
40-15,000 Hz :3 dB

With TYPE 11 cassette, Sony CD-a (EHF)
40-15000 Hz thB

With TYPE I cassettel Sony BHF (HFX)
40- 15,000 Hz t3dB

SIEREII CASSETTE-GERBER

SPECIFICATIONS

S/N (NAB, at Peak

Level):

Total Harmonic

Distortion:

Inputs:

Outputs:

Power Output: ,

DOLBY NR OFF

TYPE IV cassette, Sony METALLIC 58:18
TYPE ll cassette, Sony CD»a (EHF) 56dB
TYPE I cassette, Sony BHF (HFX) 54 dB
DOLBY NR ON

improved by EdB at 1 kHzl 10 dB above
5kHz

1.0% with Sony METALLIC

LINE lN/MIC input (stereo miniiack) --~ 1
With select switch at MIC:

0.25 rnV with low impedance microphone
With select switch at LINE IN:

60 mV (47 kilohms)

LINE OUT (stereo miniiack) 1

output level 0.25 V (less than 4.7 kn)
Headphones (stereo minijackl 2

load impedance 8- 300 n

Headphones

30 mW+ 30 mW (at 10% harmonic dstonion)
load impedance 32m

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{Z i3
SERVICE MANUAL

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Page 2

WM-D6

Battery Life:

continuous recording continuous
playback
type of cassette TYPE IV TYPE I

(Sony (Sony BHF, TYPE I, IV -
battery METALLIC) HFX)
Sony. Eveready AMI! 4 5 6
alkaline batte ry
Sony New Super
SUM-3(NS) 2 2'5 '3

(hoursl

While the information given is true at the time of priming, small produc-
tion changes in the course of our company's policy of improvement
through research and design might not necessarily be indicated in the
specifications We would ask you to check with your appointed Sony

dealer ii clarification on any point is required,

WALKMAN is a trademark of Sony Corporation.

0 d8 = 0175 V

FEATURES

0 Quartz lock capstan servn system assu»
res accurate and stable tape speed.

0 Speed control adjusts the tape speed
accurately (approx. 14%) in the playback
mode.

0 The Dolby Noise Reduction System
reduces tape hiss.

I DC-DC converter boosts the low voltage
of DC 6 V and maintains sufficient power,

0 S & F (Sendust and Ferrlte) heed makes
possible a wider dynamic range and an ex-
tended trequency response, and with the
tape selector can take full advantage oi
metal tapes.

0 Four dmerent power sources: batteries,
house current, 12V car battery and re-
chargeable battery.

0 5 LEDs peaklbattery indicator indicates
both the peak level and the battery strength.
0 Stereo miniiacks can be used for con-
necting to audio components.

PARTS IDENTIFICATION

0 PEAK/BAH (battery) indicator and indication
selector

0 Tape counter and reset button

0 DOLBY NH switch

9 TAPE selector

6 REC LEVEL (recording level) knob

43 0 RECORD button

0 LINE INIMIC jack (stereo rninijack) and input
selector

0 HEADPHONES jacks

0 ll (pause) button

0 » (fast fonivard) CUE button

0 « (rewind) REVIEW button

0 b PLAV (playback) button

0 an (eiectlstop) button

0 HEADPHONES VOLUME control

6 LINE OUT jack

GSPEED TUNE ONIOFF selector and speed
control

0 DO IN 6 v jack