Sony SRF-46 Service Manual ▷ View online
– 8 –
•
IC Block Diagram
IC1 CXA1129N-T4
1
2
6
8
FM/TV
RF AMP
FM/TV
MIX
FM/TV
1ST LOCAL
OSC
AFC
AM
RF AMP
OVER LOAD
AGC
MIX
1
MIX
2
PSN
1
PSN
2
AGC
AF AMP
LPF
DETUNE
DET
FM
LPF
AM
BPF
LOCAL
OSC
1/2
COUNTER
FM/TV
SELECT
FM
DISCRI
FM
LIMITTER
AMP
AM IF AMP
(FM TUN IND)
AM
DET
AGC
TUNING
IND
VCO
MUTE
SEP
CONTROL
ST.
DECORDER
INPUT
BUFF
VCO
LEVEL
CONTROL
BUFF
AMP
DC
AMP
PD
SYNC
DET
R CH
AMP
L CH
AMP
AMP
LOAD
SELECT
1/2
COUNTER
FM/AM
SELECT
M/ST.SW
ST.IND
FM/TV
30 29
25
24 23
26
28
27
22
20
3 4 5
7
9
10
11
12
13 14
15
16
17
18
19
21
FM/AM
FM/TV
38KHz
0
π
/2
FM/TV
FM/AM
19KHz
π
/2
19KHz
0
38KHz
FM IN
TV IN
NC
FM RF
GAIN ADJ
OL AGC
2ND OSC
AM OSC
TUN IND
PLL1
PLL2
VCO OSC
VCO CONT
R OUT
L OUT
ST IND
PD2
PD1
MPX IN
DET OUT
MUTE
AGC2
NC
FM IF
NC
TV OSC
FM OSC
AGC1
AM IN
NC
– 9 –
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
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.
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
•
The mechanical parts with no reference num-
ber in the exploded views are not supplied.
ber in the exploded views are not supplied.
•
Accessories and packing materials are given
in the last of the electrical parts list.
in the last of the electrical parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
SECTION 6
EXPLODED VIEW
6
8
9
11
5
4
1
3
12
1
3-011-433-01 CABINET (FRONT) (BLACK)
1
3-011-433-11 CABINET (FRONT) (GREEN) (Canadian)
2
3-011-435-01 KNOB (POWER) (BLACK)
2
3-011-435-11 KNOB (POWER) (GREEN) (Canadian)
3
3-011-437-01 PLATE, TRANSPARENT
* 4
A-3679-848-A MAIN BOARD, COMPLETE (EXCEPT Italian)
* 4
A-3679-864-A MAIN BOARD, COMPLETE (Italian)
5
7-685-531-11 SCREW +BTP 2.6X4 TYPE2 N-S
10
7
2
6
3-375-762-01 CLIP, BELT
7
3-011-424-01 LID, BATTERY CASE
8
7-685-105-19 TAPPING +P 2X8 NON-SLIT
9
3-011-434-01 CABINET (REAR) (Canadian)
9
3-011-434-11 CABINET (REAR) (EXCEPT Canadian)
10
3-011-436-01 KNOB (TUNE)
11
3-011-432-01 SPRING, BATTERY
12
3-011-431-01 TERMINAL, BATTERY
– 10 –
Ref. No.
Part No.
Description
Remark
NOTE:
•
Due to standardization, replacements in the
parts list may be different from the parts speci-
fied in the diagrams or the components used on
the set.
parts list may be different from the parts speci-
fied in the diagrams or the components used on
the set.
•
-XX and -X mean standardized parts, so they
may have some difference from the original one.
may have some difference from the original one.
•
RESISTORS
All resistors are in ohms.
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
All resistors are in ohms.
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
•
Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when order-
ing these items.
are seldom required for routine service.
Some delay should be anticipated when order-
ing these items.
•
SEMICONDUCTORS
In each case, u: µ, for example:
uA. .
In each case, u: µ, for example:
uA. .
: µA. .
uPA. . : µPA. .
uPB. .
: µPB. .
uPC. . : µPC. .
uPD. .
: µPD. .
•
CAPACITORS
uF: µF
uF: µF
•
COILS
uH: µH
uH: µH
Ref. No.
Part No.
Description
Remark
When indicating parts by refer-
ence number, please include the
board.
ence number, please include the
board.
SECTION 7
ELECTRICAL PARTS LIST
< JACK >
HPJ
1-563-857-11 JACK, HEADPHONE (
2)
< IC >
IC1
8-752-061-76 IC CXA1129N-T4
IC2
8-759-822-48 IC LA4537M
< JUMPER RESISTOR >
J1
1-216-296-00 CONDUCTOR, CHIP (3216)
< COIL >
L1
1-410-358-41 INDUCTOR 0.39uH
L2
1-428-780-11 COIL, AIR-CORE (EXCEPT Italian)
L2
1-460-312-11 COIL (WITH CORE) (Italian)
L4
1-406-476-21 COIL (VCO)
L6
1-428-779-11 COIL, AIR-CORE (EXCEPT Italian)
L6
1-460-337-11 COIL (WITH CORE) (Italian)
L7
1-409-382-11 COIL, TRAP
< JUMPER RESISTOR >
Q1
1-216-295-00 CONDUCTOR, CHIP (2012)
< RESISTOR >
R1
1-216-061-00 METAL CHIP
3.3K
5%
1/10W
R2
1-216-034-00 METAL CHIP
240
5%
1/10W
R3
1-216-061-00 METAL CHIP
3.3K
5%
1/10W
R4
1-216-061-00 METAL CHIP
3.3K
5%
1/10W
R5
1-216-049-00 METAL GLAZE
1K
5%
1/10W
R6
1-216-311-00 METAL CHIP
6.8
5%
1/10W
R8
1-216-304-11 METAL CHIP
3.3
5%
1/10W
R9
1-216-304-11 METAL CHIP
3.3
5%
1/10W
R10
1-216-005-00 METAL CHIP
15
5%
1/10W
< VARIABLE RESISTOR >
RV1
1-241-890-11 RES, VAR, CARBON 20K/20K (VOL)
< SWITCH >
S1
1-571-478-11 SWITCH, SLIDE (SENS)
S3
1-571-478-11 SWITCH, SLIDE (POWER)
************************************************************
*
A-3679-848-A MAIN BOARD, COMPLETE (EXCEPT Italian)
*
A-3679-864-A MAIN BOARD, COMPLETE (Italian)
*********************
< BAND PASS FILTER >
BPF
1-236-711-21 FILTER, BAND PASS
< CAPACITOR >
C1
1-163-141-00 CERAMIC CHIP
0.001uF
5%
50V
C3
1-126-163-11 ELECT
4.7uF
20%
50V
C4
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C7
1-126-301-11 ELECT
1uF
20%
50V
C8
1-163-038-00 CERAMIC CHIP
0.1uF
25V
C10
1-164-222-11 CERAMIC CHIP
0.22uF
25V
C11
1-163-023-00 CERAMIC CHIP
0.015uF
5%
50V
C12
1-163-023-00 CERAMIC CHIP
0.015uF
5%
50V
C13
1-126-301-11 ELECT
1uF
20%
50V
C14
1-126-301-11 ELECT
1uF
20%
50V
C16
1-162-638-11 CERAMIC CHIP
1uF
16V
C17
1-163-102-00 CERAMIC CHIP
24PF
5%
50V
(EXCEPT Italian)
C17
1-163-104-00 CERAMIC CHIP
30PF
5%
50V
(Italian)
C18
1-124-257-00 ELECT
2.2uF
20%
50V
C20
1-126-154-11 ELECT
47uF
20%
6.3V
C21
1-126-163-11 ELECT
4.7uF
20%
50V
C22
1-126-301-11 ELECT
1uF
20%
50V
C23
1-104-396-11 ELECT
10uF
20%
16V
C24
1-126-301-11 ELECT
1uF
20%
50V
C27
1-126-154-11 ELECT
47uF
20%
6.3V
C29
1-163-038-00 CERAMIC CHIP
0.1uF
25V
C30
1-163-038-00 CERAMIC CHIP
0.1uF
25V
C31
1-104-666-11 ELECT
220uF
20%
6.3V
C32
1-126-154-11 ELECT
47uF
20%
6.3V
C33
1-126-154-11 ELECT
47uF
20%
6.3V
C34
1-163-117-00 CERAMIC CHIP
100PF
5%
50V
< TRIMMER >
CT1
1-141-304-21 CAP, TRIMMER 10PF
< VARIABLE CAPACITOR >
CV1
1-151-701-11 CAP, VAR (TUNE)
MAIN
– 11 –
Ref. No.
Part No.
Description
Remark
ACCESSORIES & PACKING MATERIALS
********************************
********************************
1-504-812-11 HEADPHONE (TRH-2)(AEP, Spanish, UK)
1-505-267-11 HEADPHONE (TRH-11)
1-505-267-11 HEADPHONE (TRH-11)
(Canadian, AEP, Italian, E)
3-859-290-11 MANUAL, INSTRUCTION (ENGLISH, FRENCH,
GERMAN,SPANISH,DUTCH, SWEDISH,
CHINESE) (Canadian, AEP, Italian, E)
3-859-290-31 MANUAL, INSTRUCTION (ENGLISH, FRENCH,
SPANISH) (Spanish, UK)
3-859-290-41 MANUAL, INSTRUCTION (ENGLISH, FRENCH,
GERMAN, SPANISH, DUTCH, SWEDISH,
Italian, PORTUGUESE) (AEP)
Click on the first or last page to see other SRF-46 service manuals if exist.