Sony WM-FX50 - Page 12

| WM-EX50/FXS0
Tuner Board Printed Wiring Boards
|
2
__
3
ed
4
|
)
me
6
t
eet
Oe
se
Oe
=
IO
a.
Semiconductor
Semiconduct
r
layouts
(See
page
I7}
Location
AUDIO
BOARD
TUNER
[TUNER BOARD)
di
OEE SE.
SNS
2
pane 1
: P ae come gl UN! ae -
Y
— GL2PR90
ge: P
Bn_| -o-
: CA
ANODE THODE
cet
ir
MA8120
AM
9
MA110
z
cobs
MA729
—-e—-
C CATHODE
Note on Schematic Diagram :
« All capacitors are in uF unless otherwise noted. pF: uu F
5OWV or less are not indicated except for electrolytics
and tantalums.
* All resistors are in Q and %4W or less unless otherwise
specified.
. : B+ Line
ae:
‘C_]
:
adjustment
for
repair.
GOEADy
aotX
*
Power
voltage
is
dc
1.3V
and
fed
with
regulated
dc
power
supply from external power voltage jack.
« Voltage and waveforms are dc with respect to ground
Note on Printed Wiring Boards : under no-signal (detuned) conditions.
no mark : FM
» Voltages are taken with a VOM (Input impedance 10M @).
Voltage variations may be noted due to norma! produc-
tion tolerances.
EEL EE ESS BS
* BW =: parts mounted on the conductor side.
: Pattern on the side which is seen.
+ Signal path.
o> :FM
Sg
aa