Sony ICF-7600DA - Page 52

4. SCHEMATIC DIAGRAM The following portions have been
changed from Serial No. 62,627 and later
Service manual page 33
MUTING Section
Service manual page 33
AGC AMP (1C7) Section
bap” : changed portion
— Main board —
4—.
Service manual pages 31, 32
2nd
MIX
AMP,
SW
RF
AMP,
VCO
BUFFER,
AM
B+
Section
D29-31
Se | 1S2837
MW/LW_0
aa
ROA
330:
UP
TO
SERIAL
NO.7901
3
(5.5) 100 680: Saar atts Ria R16
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ag]
eo
auser-s
$5
ia
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ne
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el
fy
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8
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8)
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(6)
aay
16S
[
1
36
cuz
ay
bY
tio.
10.45
uis
ou
cm
|
NS
oN
[|
|
|
0.022!
047
A
\
Ces
(0.8)
MW/LW
i
0.47
«Ql
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N
ud
‘
FERRITE-ROD!'b>
0
(0.5)
ANTENNA
(2
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Bdi7
(0)
e
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ee
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s
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0.01
ie 8 = SI 8 Cites |?) —
Netosel et 3.57 R82 fe] s R21
ou
oT
oO
av
oa
=
&
ir
hae SERIAL NO.7902 AND LATER
— Key board —
SW R77 100
Rt
\k
Service manual page 40
RX CONTROLLER / LCD DRIVER (IC201) Section
2.65
(2.650) VCO(H)
#8 | gaz vco(L) Ls «on 2p R35
%
ag |
220pH
1.5k: SERIAL NO.7902 AND LATER
1T33
C43
L2i
SW LOW
osc
100 p2I 2 R26 | 560 L23 R30 \g{ 5k Q8 100
2SC2223-FI3 2.9
Sw OSC (2.9)
Loo | 92 209
CH)** | 28k209-0
VICIZ4EK 1.34 * 1K
POWER SWITCH E02 PCO
CONTROL
Gs
2
C42 0.01
g
00
%R95 100: UP TO SERIAL NO.7901
(Q7)CE 2 a ee _ wean) 278 $204
site | Roa eae PERRRERES
220k 1M (2293081 X32 INRAN ISHII GGIND)
a
. )
é mC:
;
:
=
0)
:
; = g " 2 3 8
2 2 = ail es a tee C54 a = C56 R] R
ala
0.01!
3p
0.01]
3p
“
0.01
3
0.01
fageee
Q5
Q6
[Cus
2.75
“ciog_
2SK238-KI6A
2SK209-G
120p
|
:
ra
Fioosiov
SW
RF
AMP
[¥1
1.6V P-P i iS
J
R207
[
|
- rar E
013
68k
ATER
UP TO SERIAL NO.7901 I3ySEC
ay ee el C221
{_\
Teen hea es a0
ae a ome
Service manual page 33
FM IF AMP, DET MIX AMP, AF AMP (IC4) Section
MiX AMP, AF AMP
QI8
DTCI24EK
FM/AM
SELECT SWITCH
DI
I
I
| F
ts
I
0 SERIAL NO.7901: 1000/10V
iAL NO.7902 AND LATER: 470/10V
C210 C211
\OpF :UP TO SERIAL NO.790! 20pF: UP TO SERIAL NO.7901
_
I5pF:SERIAL
NO.7902
AND
LA
3GPE:
SERIAL
NO.799—
NO.62626
C63
2p:
US,
Conedion,E
MODEL
US
CANADIAN
.E
MODE
R78
|
VOLUME
—
ee
24:
SERIAL
NOL
AND
LATER
fe
oy
Sp AEE: Ue, TRENCH US Dee er ae y 1 L29 R79 RVI 50k ee i a tt
ITALIAN, SAUDI ARABIA MODEL =: IT32 i LSM MN LALA LALA LM SM ESM SHLAA LAER EAE LH EMEA SALEM EH EA SHE RHOEH OME
ne 4 FM BPF in
QI6 FM RF lop] Mosc & RSF 8 - ‘ — Itali ==
28K238-KI6 Ate = Lee yer =, alae” & it, peel cs. ‘ tealien mode)
Beri
4
a
Saauele
:
=
ea
4
cra
FMBUFFER
$
The
schematic
diagram
in
Italian
model
is
the
an
v d ! 4 .
‘
Hs
1a
'
same
as
those
in
AEP
model
except
for
the
lia
a $ following portion. aE i
é § .
ptt ‘ te : different portion
026 ‘ :
1S2837 ; Service manual page 31 hoz yA
} RF TUNING COIL Section EXCEPT
4 7 ITALIAN MODEL
US
CANADIAN
C4
‘
2$k238-ki5 | US, ‘ 2
2SK238-KI6 XAIO3IM
E
MODEL
.
IF
AMP,
DET
:
;
§
=
:
'
=
$
‘
7
{
‘
— => DI
12 ISSi23