MICROFILM
SRS-A15/A25/PC15
SERVICE MANUAL
ACTIVE SPEAKER SYSTEM
SPECIFICATIONS
US Model
SRS-A15/PC15
E Model
Canadian Model
AEP Model
SRS-A15/A25/PC15
UK Model
Australian Model
SRS-A25
Photo : SRS-A15
Amplifier section
Power output
1.5W + 1.5W
Input cord
Left: Stereo mini plug
(A15,A25 : 1.0m/PC15 : 2.0m)
Right: monaural mini plug
(A15,A25 : 1.0m/PC15 : 1.5m)
Input impedance
4.7 kiloohms (at 1kHz)
Speaker section
System
Full-range, bass reflex type
Speaker unit
Full-range (magnetically shielded):
57mm (2 1/4 in.)
Nominal impedance 8 ohms (OFF/DIRECT)
Rated input power
1.5W (OFF/DIRECT)
General
Power requirement
DC 9V, six R6 (size AA) batteries
(left speaker only)
Battery life (at 5 mW + 5 mW output)
Approx. 10 hours with Sony batteries R6,
Approx. 29 hours with Sony alkaline batteries LR6
Dimensions
Approx. 90 x 160 x 120 mm
(w / h / d) (3 5/8 x 6 3/8 x 4 3/4 in.)
Mass
Left speaker : Approx. 360g
(13 oz.) not incl. batteries
Approx. 470g (1lb 1 oz.) incl. batteries
Right speaker : Approx. 290g (10 oz.)
Optional accessories AC power adaptor (1) (A25)
Design and specifications are subject to change without notice.
2
SECTION 1
GENERAL
LOCATION AND FUNCTION OF CONTROLS
This section is extracted from
instruction manual.
5
6
SECTION 3
EXPLODED VIEW
NOTE :
· -XX, -X mean standardized parts, so they
may have some difference from the original
one.
· Color indication of Appearance Parts
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.
· The mechanical parts with no reference
number in the exploded views are not
supplied.
· Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Les composants identifiés par une
marque
! sont critiques pour la sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
The components identified by mark
!
or dotted line with mark
! are critical
for safety.
Replace only with part number specified.
1
X-4949-631-1 CABINET (L) ASSY, FRONT (SRS-A15)
1
X-4949-633-1 CABINET (L) ASSY, FRONT (SRS-PC15)
1
X-4949-635-1 CABINET (L) ASSY, FRONT (SRS-A25)
2
4-998-759-01 KNOB (VOLUME)
3
2-141-216-01 SPACER (VOL)
4
4-998-760-01 BUTTON (POWER)
* 5
A-4542-508-A AMPLIFIER BOARD, COMPLETE
6
X-4949-632-1 CABINET (R) ASSY, FRONT (SRS-A15)
6
X-4949-634-1 CABINET (R) ASSY, FRONT (SRS-PC15)
6
X-4949-636-1 CABINET (R) ASSY, FRONT (SRS-A25)
7
3-555-858-01 CUSHION (25X15X0.5)
8
4-999-232-01 SPRING, BATTERY COIL
9
4-999-231-01 SPRING, MINUS COIL
10
4-981-128-01 CUSHION
11
4-998-800-01 LID, BATTERY CASE
12
4-941-496-01 TERMINAL, BATTERY
13
4-998-797-01 CABINET (L), REAR
14
4-998-798-01 CABINET (R), REAR
15
1-696-003-41 CORD (WITH PLUG) (INPUT R-CH)
(SRS-PC15)
15
1-696-003-51 CORD (WITH PLUG) (INPUT R-CH)
(SRS-A15/A25)
16
1-559-891-31 CORD (WITH PLUG) (INPUT L/R)
(SRS-A15/A25)
16
1-559-891-41 CORD (WITH PLUG) (INPUT L/R) (SRS-PC15)
17
4-902-509-01 CUSHION, F
SP1
1-505-851-11 SPEAKER (L-CH)
SP2
1-505-851-11 SPEAKER (R-CH)
#1
#1
#1
#1
#2
#2
#2
#2
1
2
3
4
5
6
7
17
8
8
9
10
11
12
13
14
15
16
SP1
SP2
NOTE :
· 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.
· -XX, -X mean standardized parts, so they
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
· Items marked " * "are not stocked since
they are seldom required for routine service.
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
· Abbreviation
SP
: Singapore
AUS
: Australian
HK
: Hong Kong
C&SA : Central and South America
Les composants identifiés par une
marque
! sont critiques pour la sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
When indicating parts by reference num-
ber, please include the board.
The components identified by mark
!
or dotted line with mark
! are critical
for safety.
Replace only with part number specified.
SECTION 4
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
*
A-4542-508-A AMPLIFIER BOARD, COMPLETE
*************************
< CAPACITOR >
C1
1-126-961-11 ELECT
2.2uF
20%
50V
C2
1-126-961-11 ELECT
2.2uF
20%
50V
C3
1-126-961-11 ELECT
2.2uF
20%
50V
C4
1-126-961-11 ELECT
2.2uF
20%
50V
C5
1-126-961-11 ELECT
2.2uF
20%
50V
C6
1-126-961-11 ELECT
2.2uF
20%
50V
C7
1-126-925-11 ELECT
470uF
20%
10V
C8
1-126-925-11 ELECT
470uF
20%
10V
C9
1-126-925-11 ELECT
470uF
20%
10V
C10
1-126-925-11 ELECT
470uF
20%
10V
C11
1-126-935-11 ELECT
470uF
20%
16V
C12
1-162-306-11 CERAMIC
0.01uF
20%
16V
C13
1-162-294-31 CERAMIC
0.001uF
10%
50V
C14
1-162-294-31 CERAMIC
0.001uF
10%
50V
C15
1-162-294-31 CERAMIC
0.001uF
10%
50V
C16
1-162-294-31 CERAMIC
0.001uF
10%
50V
C17
1-162-294-31 CERAMIC
0.001uF
10%
50V
C18
1-162-294-31 CERAMIC
0.001uF
10%
50V
C19
1-162-294-31 CERAMIC
0.001uF
10%
50V
C20
1-162-294-31 CERAMIC
0.001uF
10%
50V
< DIODE >
D1
8-719-812-41 LED TLR124 (POWER)
< IC >
IC1
8-759-366-92 IC LA4525
IC2
8-759-366-92 IC LA4525
< JACK >
JK1
1-566-822-21 JACK (R OUT)
JK2
1-569-966-11 JACKE, DC (DC IN 9V)
< RESISTOR >
R1
1-249-425-11 CARBON
4.7K
5%
1/4W
R2
1-249-425-11 CARBON
4.7K
5%
1/4W
R3
1-249-411-11 CARBON
330
5%
1/4W
R4
1-249-411-11 CARBON
330
5%
1/4W
R5
1-249-429-11 CARBON
10K
5%
1/4W
R6
1-249-429-11 CARBON
10K
5%
1/4W
R7
1-249-429-11 CARBON
10K
5%
1/4W
< VARIABLE RESISTOR >
RV1
1-225-279-11 RES, VAR, CARBON 50K/50K (VOLUME L)
< SWITCH >
S1
1-692-040-11 SWITCH, PUSH (1 KEY) (POWER)
************************************************************
MISCELLANEOUS
**************
15
1-696-003-41 CORD (WITH PLUG) (INPUT R-CH)
(SRS-PC15)
15
1-696-003-51 CORD (WITH PLUG) (INPUT R-CH)
(SRS-A15/A25)
16
1-559-891-31 CORD (WITH PLUG) (INPUT L/R)
(SRS-A15/A25)
16
1-559-891-41 CORD (WITH PLUG) (INPUT L/R) (SRS-PC15)
SP1
1-505-851-11 SPEAKER (L-CH)
SP2
1-505-851-11 SPEAKER (R-CH)
************************************************************
ACCESSORIES & PACKING MATERIALS
********************************
!
1-467-852-11 ADAPTOR, AC (AC-E90HG) (SRS-A25:AUS)
!
1-473-578-11 ADAPTOR, AC (AC-S906)
(SRS-A25:Canadian,C&SA)
!
1-473-579-11 ADAPTOR, AC (AC-S906) (SRS-A25:AEP,SP)
!
1-473-582-11 ADAPTOR, AC (AC-S911) (SRS-A25:UK,HK)
3-862-083-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
GERMAN,SPANISH,DUTCH,SWEDISH,
ITALIAN,PORTUGUESE) (SRS-A15/PC15)
3-862-084-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
GERMAN,SPANISH,DUTCH,SWEDISH,
ITALIAN,PORTUGUESE) (SRS-A25)
************************************************************
**************
HARDWARE LIST
**************
#1
7-685-645-79 SCREW +BVTP
3X6 TYPE2 N-S
#2
7-685-648-79 SCREW +BVTP
3X12 TYPE2 N-S
AMPLIFIER
SRS-A15/A25/PC15
9-923-334-11
Sony Corporation
Personal A&V Products Company
98B0281-1
Printed in Japan © 1998.2
Published by Quality Engineering Dept.
(Shibaura)