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MICROFILM
SERVICE MANUAL
Dolby
noise
reduction
manufactured
under
license
from
Dolby
Laboratories
Licensing
Corporation.
"DOLBY"
and the double-D symbol
DQ
are trademarks of
Dolby
Laboratories
Licensing
Corporation.
SPECIFICATION
Radio
section
(WM-F702)
Frequency
range
US
model:
FM:
87.9-107.9
MHz
AM:
530-1,670
kHz
AEP,
UK
model:
FM:
87.5-108
MHz
AM:
531~1,602
kHz
ET, AUS
model:
TV:
1-12
CH
FM:
76.0-90,0MHz
AM:
531-1,629
kHz
Antenna
FM: Headphone
cord
antenna
AM: Built-in
ferrite
bar
antenna
Tape
player section
and genera!
Frequency
response
(DOLBY
NR off)
15~— 18,000
Hz
Output
Headpnones
(PHONES /REMOTE)
Jack
load
impedance
8-300 Q
Power
output
5mW+5mW
at DC
operation.
162
Power
requirements
1.5 VDC
Rechargeabie
battery
One
R6
(size
AA)
battery
Battery
life
dio
R
i
ee
fully charged
Approx. 1.5 hours
Approx. 2.5 hours
Sony
AM3 (N)
Approx. 10 hours
Rechargeabie
NC-6WM
with
Sony
AM3
(N)
Approx.
10
hours
Approx.
12 hours
For
maximum
performance
we
recommend
the
use
of
aikaline
batteries.
Dimensions
WM-702
:
Approx,
104.8X72.2X19.1mm
(w/h/d)
WM-F702:
Approx.
104.8X72.2x23.3mm
(w/h/d)
excl. projecting
parts
and
controls
WM-702
:
Approx.
106.4% 74.6 20.7mm
(w/h/d)
WM-F702:
Approx.
106.4x74.6x25.4mm
(w/h/d)
incl. projecting
parts
and
controls
Weight
WM-702 :
Approx.
150g
WM-F 702:
Approx.
190g
incl. rechargeable
battery,
excl, other
accessories
Accessories
supplied
Battery
case (1)
Battery
charger
(1)
Rechargeable
battery
(1)
Lithium
battery
(WM-F701
ONLY,
1)
Stereo
headphones
with
remote
controller
(open-air
type. 1)
Plug
adaptor
(1)
Carrying
case
(1)
US Model
WM-F702
AEP Model
UK Model
E Model
WM-702
WM-F702
Photo : WM-F702
Model
Name
Using Similar
Mechanism
Tape Transport
Mechanism
Type
| MT-WM702-17
WM-701C
TABLE OF CONTENTS
Section
Title
Page
Specifications --+-- saceccaseerssscenoeees seeses s e e eeteeerneseens teeeeecesseevesees 1
SERVICING
NOTE:
GENERAL
4-1,
Semiconductor
Lead
Layouts
4-2,
Printed
Wiring
Boards
—Cassette
Section
str: 8
4-3.
Schematic
Diagram
~—Cassette
Section—srterrrr 11
4-4,
IC Block
Diagrams srrrterssssessseesseeeeteeeenes istiogtece 414
4-5,
Printed
Wiring
Boards
—Radio
Section
srr
15
4-6,
Schematic
Diagram
—~Radio
Section— srrrrressr
17
EXPLODED
VIEWS ceccecesees belssusesseeseatastsietes sisnpedee coed]
Q
ELECTRICAL
PARTS
LIST -s:ssesccsseeees Nerrres satiecs wees 23
wm-702: CASSETTE PLAYER
Design
and
specifications
subject
to
change
without
notice.
Note:
AUS:
Austrarian
model
WM-F702
i
A
10
ASSETTE
PLA
R
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