Sony SRS-A202 (serv.man2) Service Manual ▷ View online
5
SRS-A202
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or
• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in Ω and
1
/
4
W or less unless otherwise specifed.
• C : panel designation.
Note: The components identified by mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
• A : B+ Line.
• Voltages are dc with respect to ground under no-signal conditions.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
• Voltages are dc with respect to ground under no-signal conditions.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Signal path.
F
: AUDIO
For Printed Wiring Boards:
Note:
• X : parts extracted from the component side.
•
Note:
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
(The other layers’ patterns are not indicated.)
6
SRS-A202
SECTION 3
EXPLODED VIEWS
NOTE :
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• 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.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
parts list.
3-1. MAIN SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
3-252-239-01 KNOB (VOLUME)
2
3-252-234-01 CABINET (L), FRONT
3
3-252-238-01 KNOB (POWER)
*
4
A-3683-848-A AMP BOARD, COMPLETE
*
5
A-3683-849-A POWER BOARD, COMPLETE
*
6
1-688-506-11 PWB, CORD CLAMPER
7
3-252-236-01 CABINET (L), REAR (AUS)
7
3-252-236-11 CABINET (L), REAR (E)
7
3-252-236-21 CABINET (L), REAR (SP)
0 8
1-696-847-11 CORD, POWER (AUS)
0 8
1-769-744-81 CORD, POWER (SP)
0 8
1-783-531-11 CORD, POWER (E)
9
4-217-350-11 STOPPER, CORD
10
3-252-235-01 CABINET (R), FRONT
11
3-252-237-01 CABINET (R), REAR
12
3-247-426-21 RUBBER, SEAL
#1
7-685-148-14 SCREW +P 3X12 TYPE2 NON-SLIT
#2
7-685-646-14 SCREW +BVTP 3X8 TYPE2 N-S
0 FS1
1-532-463-51 FUSE (1A 250V) (AUS,SP)
0 FS1
1-533-892-21 FUSE, GLASS CYLINDRICAL (1A 250V) (E)
SP1
1-825-345-11 SPEAKER (057F027) (L-CH)
SP2
1-825-345-11 SPEAKER (057F027) (R-CH)
0T901
1-439-675-11 TRANSFORMER, POWER (AUS,SP)
0T901
1-439-676-11 TRANSFORMER, POWER (E)
1
2
4
12
3
8
10
11
9
5
7
6
SP1
FS1
T901
SP2
#2
#2
#2
#2
#2
#2
#1
#1
#1
#1
not
supplied
12
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Ver. 1.2
• Abbreviation
AUS
:Australian
SP
:Singapore
7
SRS-A202
NOTE :
• Due to standardization, replacements in the
• Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
specified in the diagrams or the components
used on the set.
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• RESISTORS
All resistors are in ohms
METAL : Metal-film resistor
METAL OXIDE :Metal oxide-film resistor
F : nonflammable
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
ordering these items.
Some delay should be anticipated when
ordering these items.
• SEMICONDUCTORS
In each case, u :
µ , for example :
uA.... :
µ A.... , uPA.... : µ PA....
uPB.... :
µ PB.... , uPC.... : µ PC....
uPD.... :
µ PD....
• CAPACITORS
uF :
µ F
• COILS
uH :
µ H
SECTION 4
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
*
A-3683-848-
AMP BOARD, COMPLETE
*********************
*********************
< CAPACITOR >
C1
1-107-714-11 ELECT
10uF
20%
16V
C2
1-107-714-11 ELECT
10uF
20%
16V
C3
1-107-714-11 ELECT
10uF
20%
16V
C4
1-126-960-11 ELECT
1uF
20%
50V
C5
1-126-960-11 ELECT
1uF
20%
50V
C8
1-126-960-11 ELECT
1uF
20%
50V
C9
1-126-960-11 ELECT
1uF
20%
50V
C10
1-126-967-11 ELECT
47uF
20%
50V
C11
1-126-967-11 ELECT
47uF
20%
50V
C12
1-126-933-11 ELECT
100uF
20%
16V
C13
1-126-933-11 ELECT
100uF
20%
16V
C14
1-126-933-11 ELECT
100uF
20%
16V
C15
1-130-497-00 MYLAR
0.15uF
5%
50V
C16
1-130-497-00 MYLAR
0.15uF
5%
50V
C17
1-126-935-11 ELECT
470uF
20%
6.3V
C18
1-126-935-11 ELECT
470uF
20%
6.3V
C19
1-126-964-11 ELECT
10uF
20%
50V
C20
1-126-964-11 ELECT
10uF
20%
50V
C21
1-126-941-11 ELECT
470uF
20%
25V
C22
1-126-942-61 ELECT
1000uF
20%
25V
C101
1-162-294-31 CERAMIC
0.01uF
10%
50V
C102
1-162-294-31 CERAMIC
0.01uF
10%
50V
C103
1-162-306-11 CERAMIC
0.001uF
30%
16V
C104
1-162-306-11 CERAMIC
0.001uF
30%
16V
C105
1-162-306-11 CERAMIC
0.01uF
20%
16V
C106
1-164-159-21 CERAMIC
0.1uF
50V
< DIODE >
D1
8-719-991-33 DIODE 1SS133T-77
D2
8-719-991-33 DIODE 1SS133T-77
D3
8-719-812-43 DIODE TLG124A (1)
D4
8-719-063-79 DIODE 1N4002B
D5
8-719-063-79 DIODE 1N4002B
D6
8-719-063-79 DIODE 1N4002B
D7
8-719-063-79 DIODE 1N4002B
< IC >
IC1
8-759-426-51 IC BA5417
< JACK >
JK1
1-566-822-51 JACK (INPUT 2)
< TRANSISTOR >
Q1
8-729-030-06 TRANSISTOR DTC144TSA
Q2
8-729-030-06 TRANSISTOR DTC144TSA
< RESISTOR >
R1
1-249-429-11 CARBON
10K
5%
1/4W
R2
1-249-429-11 CARBON
10K
5%
1/4W
R3
1-249-429-11 CARBON
10K
5%
1/4W
R4
1-249-429-11 CARBON
10K
5%
1/4W
R5
1-247-843-11 CARBON
3.3K
5%
1/4W
R6
1-247-843-11 CARBON
3.3K
5%
1/4W
R7
1-249-418-11 CARBON
1.2K
5%
1/4W F
R8
1-249-418-11 CARBON
1.2K
5%
1/4W F
R9
1-247-807-31 CARBON
100
5%
1/4W
R10
1-247-807-31 CARBON
100
5%
1/4W
R13
1-247-807-31 CARBON
100
5%
1/4W
R14
1-247-807-31 CARBON
100
5%
1/4W
R15
1-249-385-11 CARBON
2.2
5%
1/6W F
R16
1-249-385-11 CARBON
2.2
5%
1/6W F
R17
1-247-843-11 CARBON
3.3K
5%
1/4W
R18
1-247-843-11 CARBON
3.3K
5%
1/4W
R19
1-249-421-11 CARBON
2.2K
5%
1/4W F
R21
1-249-421-11 CARBON
2.2K
5%
1/4W F
< VARIABLE RESISTOR >
RV1
1-227-587-11 RES, VAR, CARBON 5K/5K (VOL)
< SWITCH >
S1
1-786-445-11 SWITCH, PUSH (1)
************************************************************
AMP
When indicating parts by reference num-
ber, please include the board.
ber, please include the board.
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Ver 1.1 2003.04
• Abbreviation
AUS
:Australian
SP
:Singapore
8
SRS-A202
Ref. No.
Part No.
Description
Remark
*
A-3683-849-A POWER BOARD, COMPLETE
***********************
1-533-233-31 FUSE HOLDER
< CONNECTOR >
CN1
1-564-321-00 PIN, CONNECTOR(3.96mm PITCH)2P
************************************************************
MISCELLANEOUS
**************
*
6
1-688-506-11 PWB, CORD CLAMPER
0 8
1-696-847-11 CORD, POWER (AUS)
0 8
1-769-744-81 CORD, POWER (SP)
0 8
1-783-531-11 CORD, POWER (E)
0 FS1
1-532-463-51 FUSE (1A 250V) (AUS,SP)
0 FS1
1-533-892-21 FUSE, GLASS CYLINDRICAL (1A 250V) (E)
SP1
1-825-345-11 SPEAKER (057F027) (L-CH)
SP2
1-825-345-11 SPEAKER (057F027) (R-CH)
0T901
1-439-675-11 TRANSFORMER, POWER (AUS,SP)
0 T901
1-439-676-11 TRANSFORMER, POWER (E)
************************************************************
ACCESSORIES
************
************
3-251-854-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
GERMAN,SPANISH,DUTCH,SWEDISH,ITALIAN,
PORTUGUESE)
POWER
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Ver. 1.2
Display
