Sony ICF-SW1 - Section 5 Diagrams; Block Diagram; Semiconductor Lead Layouts; Circuit Boards Location

1
2
NEW TYPE
3
4
NEW TYPE
5 6 7 8 9 | 10 11
5-5. SCHEAMTIC DIAGRAM @ See page 14 for liquied-crystal panel (LCD801).
@ See page 35 for IC block diagrams.
ANT 2
LW/MW
FERRITE-RO
ANTENNA
ANTI
FM/SW
TELESCOPIC
ANTENNA
(MAIN BOARD]
Fw Osc
R220 22k
L205 0. 47H
2804178
OR ee ey
FM OSC
BUFFER
axe pa
oe CN
4 2
3 C) 2. Eo
—(2.9)
(2.9) Mai
2SK2096
CONSTANT
CURRENT
asot
2SK209Y pot
PLL LPF 188304
ee
£00? \ sav
VCO
| [MICRO COMPUTER BOARD]
0
nr
rr
ce
eo
ee
eee
RN
8
rrr
cements
rere
emo
rnveem
ee
ee
LW/MW
RF AMP
rs) (2.9)
(2.75) (2.9)
IST MIX2.75))
Qs
2SK6I3-
se (2.75)
Q4
2SK613-2
IST MIX
E i)
C29 0 06
0.01 g7 (2.85) 2SK209Y
prci24eu ((0)) IF AMP
SWITCHING
IST OSC
28C4178 0.01
IST OSC 7 284178
ae
20mSEC =
12 6 (2.1)
4 (2.1)
Q8l6
2SB8 15B6
B+ SWITCH
efi
6.4
(2.4)
((6.4))
c----
ic]
R849 10k
ase Rae
XN1215 C830 =
LCD13 SWITCHING 0.01
LED DRIVE
Q804
28€41771.35
AEP TYPE 2,E TYPE 2,
Saudi Arabia Model
oxsie}. oe
12
NEW TYPE
13 14 15 16 17 18 19 20 21 22
2.9
C409 0.01
a0
1008]
DESTINATION
|
NEW
TYPE
Serial
No.
FM RF AMP (Ss ca
geek
D
2p
UW
|.
23901
and
later
FM osc rtSs Canadian A24701 and later
cane
wackiae
AEP
24801
and
later
SI Ti2p "6.01 UK 33401 and later
aie
E
;
22691
and
later
Raa 6.01 Rags Australian 30501 and later
R442
: 100k 2.25
oe ee ani (2.7)
ac) » 4 SY
FM SD
LEVEL SHIFT
IC 402
bag coM
L
FM MP
Q
DICI24EU
BAND SWITCH
(FM/AM)
1C801
uPD1715G- 558 -22 Pens
SYSTEM CONTROL KO
7LCD DRIVER
vp
KI
AEP TYPE I-/2,
AEP TYPE 3-!|,-2
E TYPE 2,
Saudi Arabia
Mod
DECODER
(C804
$802
DTC 4TU
LIGHT epi
SiO SWITCHING
ENTER/ a
TIME SET
C820 5) pase ‘ip
0.14 pSEC Taal SIO | f ‘3 WAIN POWER
ei EXECUTE | | 4 ‘|i Lx 0
O
: 2 6 i «ft s8o3 tg ! @ 31072
o21 sii2 | sua 1 oft d
PA gh al
7 2 Sota? # TLUR1 22
0.14 wSEC S116 Sl7 08!
| ee Sa A, ec
iE STANDBY i A S101-SI09, SII S14
= 823 l2Y sis Sil 1 PRESET / BAND R829
RB44 Toop _SI8 ai me ese DIRECT TUNE ALARM SET 10k
:
POWER
|
[SLEEP]
:
Ve
ae
ae
SUT
< ON/OFF 3 MANUAL
e r S16
wo
3 pee gee yee ret, eee en ee,
[a aj
2.1
ROD (2.9)
BAR
(2.9)
» 410
0 28C4I77
0.t
C435 C436
XN4608
0.
0068
0.
0068
FM MULTI
VCO SWITCH
HIGH CUT als g 9408
cil C422 SWITCH DICI24EU (2,65) 25C4177 DTC 2KEU
SWITCHING BUFFER ee
3
D604
3.
9k
B+
SWITCH
1$S304
J601
ae
0809
oc-
Cc
R620
poWER
AMP
Toei
iSs303
XN4608-
3
CONVERTER
B+
SWITCH
2
cy
()
SWITCH : Or a en rales aK 4,
80a
:
Y
DTCI24EU
je
()
TOTAL
CURRENT
FM :37mA_/”
LW/WW:35mA
SW: 35mA
DRY BATTERY
© SIZE"AA"
(IEC DESIGNATION R6)
R622
7. OK 2PCS ,3V
§ SP60!
SPEAKER
O
Bt SWITCH
QBil
D808
1S$304 2SB8!5B6
ima LO)
Sw
SWTCHING
2.65
(2.2.2.2) FOYT 3
3V
2.l
$601 IC60! BA5208 AF
oe TONE POWER AMP
re Pee 0606 9607
2.65 2SD1048X7 2SD1048X7
I
al
'
Bae
s
(2st)
112.68)
———
MUTING
————
7 102.00) (2.20) Schematic Diagram Note:
!
I
50WV
or
less
are
not
indicated
except
for
electrolytics
Voltage
variations
may
be
noted
due
to
normal
produc-
a
2
|
and
tantalums.
tion
tolerances.
a
1
Z © All capacitors are in wF unless otherwise noted. pF: uuF @ = Voltages are taken with a VOM (50 kQ/V)
2.1
Q8is
{1.45) 2SB815B6 E
((1.45)) al
B+ SWITCH e All resistors are in 2 and 1/,W or less unless otherwise
specified.
Voltage
variations
may
be
noted
due
to
normal
produc-
A:
internal
component.
tion
tolerances.
ommmee = B+ bus. @ Signal path,
L_} : adjustment for repair. c> : FM
Power voltage is dc 3 V and fed with regurated dc power = © LW/MW
supply from external power voltage jack. => SW
@ Voltage and waveforms are dc with respect to ground
} under detuned conditions.
ll no mark: FM
( jy : SW
2.1 ( ) : LWIMWw
Waveforms are taken with a oscilloscope.
ROD
BAR
eoeoee
FM 2V
cw ewe ———EEe ee ee