Sony wm 100 mk2 service manual

Page 1

WM-IOOII/ 102 )

' SERVICE MANUAL

Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation,
"DOLBY" and the double-D symbol DI] are trademarks of
Dolby Laboratories Licensing Corporation.

WM-IOOH

US Model
Canadian Model

WM-702

AE P Model
E Model
UK Model

SPECIFICATIONS

Frequency response (DOLBY NR OFF)
4045,000Hz (with the TAPE selector set to
CroyMETAL)
40-15,!)sz (with the TAPE selector set to NORM)
Power output
4.5mw + 4.5mW at dc operation
(at 10% total harmonic distortion)
Power requirements
1.5V dc
Rechargeable battery
IEO designation (L)R6 battery (size AA)
DO IN 1.5V jack accepts:
Sony Ac-Dt ac power adaptor (optional)
for use on 100, 120, 220 or 240V AC, ad-
justable
Sony EBP-10 battery case (optional)
tor use on two IEC designation R6 batteries (size
AA)
Sony DOC-70 car battery cord (optional)
Ior use with 12V car battery

Battery lite (hours)
Battery Tape playback
Sony NC-SWM rechargeable
(Iull charge) pm" 2
Sony SUM-3(NS) New Super Approx. 2
Sony Eveready AM: alkaline Approx. 5.5

For maximum performance we recommend the use of
alkallne battery,

. . . . WM-F100IE
Mod | N
0 am: Using Slmtlar Mechanism WM-F102
Tape Transport Mechanism Type MT-WM102<01

Dimensions exclr projecting parts and controls
Approx.
69.8x1108xl9.8mm lw/hld)
(ZANlflS/n Inches)
with rechargeable battery pack
attached
Approx.
69.8 x119.4 x19.8 mm (wlhld)
(2W. x 4% x "A, Inches)
with battery pack attached
incl. projecting parts and controls
Approx
74.6 x1126 x 22.2 mm (w/h/d)
(3 XAV, x V. inches)
with rechargeable battery pack
attached
Approx.
74.6 x 120.2 x 22.2 mm (wlhldl
la Mm '/., Inches)
with battery pack attached
Welght Approx
190 g (6.7 oz) incl. rechargeable
battery pack and rechargeable
battery. not incl, other
accessories
Approx,
190 g (6.7 oz) incl. battery and
battery pack not incl other
accessorles

STEREI] CASSETTE-PLAYER
SONYE

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WM-lOOII/lO2

Servicing Note

This set detects rotation of reel table by PH701
(Photo interrupter).

It cannot be detected when the main board is re-
moved, because PH701 is mounted on the main
board is removed

Therefore, the auto off circuit and tape end
detection will misoperate.

Operation check can be done by the method
shown below even when the main board is removed.

- Main board (side B) -

SOUA HE WA VE OSCIL LA TOR

(E)

20Hz
DdBfV} {1V}

For PLAY, press thebbutton and turn only the
POWER switch ON.

- For FF and REW, press » or « button and turn
both POWER switch and FF/REW switch ON.

- Main board (side A) -