Sony ICF-C390 / ICF-C390L Service Manual ▷ View online
– 11 –
– 12 –
ICF-C390/C390L
5-2. SCHEMATIC DIAGRAM (ICF-C390/C390L : FRENCH MODEL)
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
Note:
Note:
The components identi-
Les composants identifiés
fied by mark
!
or dotted par une marque
!
sont cri-
line with mark
!
are cri-
tiques pour la sécurité.
tical for safety.
Ne les remplacer que par
Replace only with part
une piéce portant le
number specified.
numéro spécifié.
r
Refer to page 17 for IC Block Diagrams.
•
U
: B+ Line.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
• Abbreviation
CND : Canadian
FR
: French
IT
: Italian
AUS : Australian
CIS
: Russian
ES
: Spanish
C&SA : Central and South America
E4
E4
: 110 – 120V, 220 – 230V AC 50/60Hz selectable
E13
: 220 – 230V AC area
– 15 –
– 16 –
r
Refer to page 17 for IC Block Diagrams.
ICF-C390/C390L
5-4. SCHEMATIC DIAGRAM (ICF-C390L : AEP, UK MODEL)
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
Note:
Note:
The components identi-
Les composants identifiés
fied by mark
!
or dotted par une marque
!
sont cri-
line with mark
!
are cri-
tiques pour la sécurité.
tical for safety.
Ne les remplacer que par
Replace only with part
une piéce portant le
number specified.
numéro spécifié.
•
U
: B+ Line.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW,LW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
– 17 –
r
IC BLOCK DIAGRAM
IC1 CXA1019S
GND
GND
FM DISCRI
NF
VOL
AM OSC
AFC
FM OSC
Reg OUT
FM RF
AM RF IN
N. C
FM RF IN
FE GND
FM/AM
IF OUT
21
22
23
24
25
26
27
28
29
30
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
AF POWER AMP
AM IF DET AGC
AM FE
FM
DISCRIMINATOR
FM FE
TUNING
METER
FM IF
GND
GND
AF OUT
Vcc
RIPPLE
FILTER
AF IN
DET OUT
AFC AGC
AFC AGC
IF ND
METER
N. C
FM IF IN
AM IF IN
FM/AM
BAND
SELECT
– 18 –
SECTION 6
EXPLODED VIEW
NOTE :
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ••• (RED)
KNOB, BALANCE (WHITE) ••• (RED)
↑
↑
Parts color Cabinet's color
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference
number in the exploded views are not
supplied.
supplied.
• Accessories and packing materials are given
in the last of this parts list.
• Abbreviation
AUS
: Australian
FR
: French
IT
: Italian
CIS : Russian
ES
: Spanish
C&SA : Central and South America
E4
E4
: 110–120V, 220–230V AC,50/60Hz selectable
E13
: 220–230V AC area
Les composants identifiés par une
marque
marque
! sont critiques pour la sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
portant le numéro spécifié.
The components identified by mark
!
or dotted line with mark
! are critical
for safety.
Replace only with part number specified.
Replace only with part number specified.
T50
S58
ANT1
SP1
1
2
19
3
4
5
6
7
8
9
10
11
12
13
14
15
LED50
US, Canadian,
C&SA model
C&SA model
AUS model
EXCEPT US,
Canadian, C&SA,
AUS, UK model
Canadian, C&SA,
AUS, UK model
UK model
E4 model
ES model
E4 model
EXCEPT US,
Canadian, C&SA model
Canadian, C&SA model
17
18
15
15
15
16
19
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