Sony wm 509 service manual

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WM-509

SERVICE MANUAL

AEP Model
UK Model
E Model

4'

CABINET COLOR: WHITE, BLACK

Model Name Using Similar Mechanism WM-109

Tape Transport Mechanism MT-WM509-109
SPECIFICATIONS
Frequency response (DOLBY NR off) Dimensions
20-18,000Hz 72.9x110x24.1 mrn (wlh/d)
Output (27/; x 45/; x /15 inches)
Earphones (stereo minijack) load impedance Weight
8-3000 Approx. 1909 (6.702 ) incl. rechargeable,
Power output not incl. other accessories
4.5mW + 4.5mW (at 10% harmonic distortion), Accessories supplied
lord impedance 18 ohms Battery case (1)
Power requirements Recharging station (1)
1.5V DC Carrying pouch (1)
Rechargeable battery Battery charger (1)
One R6 (size AA) battery Rechargeable battery (1)
DC IN 1.5V jack accepts: United Kingdom and European mode
optional Sony AC-D1 M AC power adaptor Stereo earphones (open-alr WW. 1)
available in the United Kingdom for use on Other models
240V AC, 50H: Stereo earphones (openair type, 1)
available in European countries for use on Ac plug adaptor (1)

220V AC, 50H:
available in other countries for use on
120V AC, 50Hz or 220V AC, 50H:
Sony EBP-iO battery case (optional) for use
with two R6 (size AA) batteries
Sonv,DCC-7D car battery cord (optional) for
use with 12V car battery
Battery life Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.

Battery Playback hours
"DOLBY" and the double~D symbol DU are trademarks of

Rechargeable NC~6WM

fully charged Approx- 4 IIOUYS Dolby Laboratories Licensing Corporation,
Sony SUM-3 (NS) Approx. 3 hours
Sony AM3 (N) Approx. 7.5 hours

::;:::*.;:..".::::::;::"W°'°°°""°W CASSETTE PLAYER
S 0 NY;

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WM-509

Foam res

DBB (Dynamic Bass Boost) function for powerful mega
bass sound.

The remote control buttons on the headphones allow
you to operate the unite in your hand.

At'ito reverse function changes the tape playback
direction without turning the cassette over.

The supplied recharging station charges the rechargeable
battery while it is inserted in the unite.

DO LBY NR switch for playback with D0 LBY NR
processed tapes.

SECTION 1

GENERAL
LOCATION AND FUNCTION OF CONTROLS

BA'l'i(battery)indicalor 4I>D|R(tape transport direction changemutton

VoLivolume)control I > PLAV(playbeck)/STOP button

OPENtcassette holder open

_ REMOTE control selector
swrtch

DBB(dynamic bass

t lecto
boos 56 r - fl(earphone3)lack
Mode(tapetransport, , (stereomrnnack)
selector

«l»(iast winding)
switch

-Cassette holder

DOLBY NR(Dolby noise
reductionlswitch

Battery connector points

TAPE selector Battery compartment lid

EAR RECEIVER

Iriplaybeck/stoplbulton VOLUME control

4|) [tape tmnsport direction change)
button

no it» -1 - m o--.» «emit - wont-ow -a . won on - . - r.-4r»-in Ouiii -. o .- row 0-; . r.-w-n -n -4 N -4 -0 - ,- >04 O'N o»- "04 -0- o i. . it--..,i -4,, ,,

Flexible Circuit Board Repairing

Keep the temperature of the soldering iron around
270°C during repairing.

Do not touch the soldering iron on the same conduc-
tor of the circuit board (within 3 times).

Be careful not to apply force on the conductor when
soldering or unsoldering.

Notes on chip component replacement

Never reuse it disconnected chip component.
Notice that the minus side of a tantalum capacitor
may be damaged by heat.