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Sony WALKMAN WM-F702 - Page 24

Sony WALKMAN WM-F702
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1.
RADIO
SECTION
BLOCK
DIAGRAM
rr
TUN
VOL
—————
+
4
Cc
z
<
oO
Tr
WS.
AEP,
UK
a6
Sea
ea
ee
a)
aan
;
Fm
VCO
ET,
AUS
TV
B+
A
lege
a
Re
ies
eS
ala
|
SWITCH
|
|
1
1
{
|
an
[
ICi4
i
av
ae
os
je
vas
kere
tas
a
acta
|
TA7358FN
Pty
|
|
TV
a3
|
FRONT-END
TV
vco
BUFFER
ep
Le
IC3
Ba1362FSs
y
FM
MPX,
DET
aig
|
TV
HUT!
|
SWITCHH!
|
3
Ice2
>
CX20444
z
FRONT-END
=)
FM
IF,
DISCRI
7
AM
IF,
DET
-
rh
P8558
\/
PRESCALER
RADIO
ON/BAND
RADIO
ON
POWER
SW
LIMn
2.BV
(BACK
UP)
ass
7$
&
|
BATT
x4
75KHZ
paral
J
"14
a
(12)
(21) (20) (33)
20}-—{28)
(23) (34)
(52)
GND
65) 64)
DC-OC
CONVEATER
T3
(vcO
#)
CE
vop
(AM,
FM,
TV)
XO
X14
(VCO
L)
(AM,
FM)
(FM)
(TV)
ede
piece
Fb
FM/VHF
(RESET)
PAO
AM
PBa3
PAd
PBo
PB2
Qi)
3
E
:
PCO Pc2
PCS
=
(H!POWER
OFF)
=
E02
penises
|
FILTER
a
|
Ic&
*PD1715G6556-24
PLL
SYNTHESIZER,
Ke
CcOM1
LCO
ORIVE
SEG4-SEG16
COM3
G24
US,
AEP,
UK
Foie)
SWITCH
B
CTL
LIQUID
CRYSTAL
DISPLAY
=
CONTROL
CTL
*
Signal
path.
=
:FM
«
CND:
Canadian
model
AUS
:
Australian
model
BOARD

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