Sony ICF-PRO70 Service Manual page 25
Pll synthesized receiver
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Also See for ICF-PRO70:
- Service manual (7 pages) ,
- Service manual (38 pages) ,
- Service manual (35 pages)
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3-3.
CONVERTER
BOARD
SCHEMATIC
DIAGRAM
(ONLY
FOR
ICF-PRO80)
© See pages 25, 26 for Printed Wiring Boards.
ICONVERTER MAIN BOARD]
0704
0703
ND487CI-3R
TLRI24
0702
HSM2693
caeseng. ipetbencasbe ey) gacceee
ORY BATTERY
& SIZE"Aa"
(IEC DESIGNATION
R6)
p70!
Q701
s702
IC7OI
aio
1ssi23
2SK360
MPCIESIG
RF AMP
174 -223MHz
RF AMP
4
115.15 —174MHz
C723
L7i4
0.0!
0.04yH
CN702
CONVERTER
'
3-4.
CONTROL
SECTION
PRINTED
WIRING
BOARDS
@
See page 22 for Semiconductor Lead Layouts.
@
See pages 27 to 29 for Schematic Diagram.
[MICRO COMPUTER BOAI
(IC SIDE)
@ SEMICONDUCTOR
LOCATION
Ref. No. | Location |
' ' oOon-=
Po
. =
q =
© d=
foow
Cc
E
Cc
F
G
G-1
G
E
H
Cc
H 5
1-5
2
N&O
5 D
°
mamnon
NOM
DGaAnNa0
> oo
Topo
ormsoibw
[KEY BOARD] (DIODE SIDE)
Note:
%*A
— *C
are
soldered,
or
not
by
receivable
frequency
F
FLEXIBLE "8" BOARD
coverage of the set as shown below.
Refer to "NOTES ON MODEL TYPES AND RECEIVABLE
[KEY BOARD] (SWITCH SIDE)
FREQUENCIES"
on page 3 for each type of 1CF-PRO70.
$802~S810
©: soldered
X: unsoldered
H
SCAN/
LIMIT
START
Refer
to
Note
on
page
30
for
KA-KC
soldering
on
key
board.
(1)
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