Sony WM-150 User Manual

WM-150
4-1.
SEMICONDUCTOR
LEAD
LAYOUTS
CXA1249M
LA4538TP1
LAG674F
8765
1234
(TOP viEW)
TA7793FN-EL
TA7795FNER.
DTFC114TU |
2SA1611-M6
2$B1295-UL6
XN1215
XN1401
XN1501
5
XN4608
6 +
t
4 Z ro
6
4 1. on
, 3 3
GL102R5S
an
Recs
Wns 7
Y
\)
4 a
ede oie
NJL5161K-A
SECTION
DIAGRAMS
4
Note on Printed Wiring Boards
O———
:
parts
extracted
from
the
component
side.
@——__:
parts
extracted
from
the
conductor
side.
=
=:
parts
Mounted
on
the
conductor
side.
_&
indicates
side
identified
with
part
number.
=
1
Pattern
on
the
side
which
is
seen.
(SIDE
B)
:
Pattern
on
the
side.
(SIDE
A)
r
|
u
Note on Schematic Diagram:
All capacitors are in wF unless otherwise noted. pF: uwuF
SOWV
or:
less
are
not
indicated
except
for
electrolytics
and tantalums.
All resistors are in & and “W or less unless otherwise
specified.
: B+ bus.
[___]: adjustment for repair.
Total current is messured with no cassette installed.
Power
voltage
is
dc
1.3V
and
fed
with
regulated
dc
power
supply from battery terminal.
Voltage
and
waveforms
are
de
with
respect
to
ground
under
no-signal
conditions.
no mark: PLAY
( ): FF/REW
Voltages are taken with a VOM (50kQ/V).
Voltage variations may be noted due to normal produc-
tion tolerances.
Signal path.
>» : PB
Switch
Ref. No. Switch
S301 , FWD/REV
$302 TAPE
DOLBY NR
DBB
PLAY, FF REW
PLAY
SIDE A
MAIN BOARD

Sony WM-150 Specifications

General

Brand	Sony
Model	WM-150
Category	Cassette Player
Language	English