Page 1
SRS-PC21L
SERVICE MANUAL
AEP Model
E Model
MICROFILM
ACTIVE SPEAKER SYSTEM
Page 2
This section is extracted from
instruction manual.
SECTION 1
GENERAL
– 2 –
Page 3
Page 4
Page 5
SECTION 3
53
54
52
51
SP2
P2
EXPLODED VIEWS
NOTE:
• -XX and -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
(1) CABINET SECTION (L)
• 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.
2
8
14
(2) CABINET SECTION (R)
3
5
6
4
5
7
1
SP1
8
11
9
10
P1
12
13
Ref. No. Part No. Description Remark
1 X-4947-114-1 CABINET (L) ASSY, FRONT
2 7-685-645-79 SCREW +BVTP 3X6 TYPE2 N-S
3 4-980-945-21 LID, BATTERY CASE
4 4-308-878-XX CUSHION
5 3-895-784-01 SPRING
6 4-967-264-01 SPRING (MINUS), BATTERY COIL
7 4-941-496-01 TERMINAL, BATTERY
8 7-685-135-19 SCREW +P 2.6X10 TYPE2 SLIT
Ref. No. Part No. Description Remark
9 4-980-943-21 CABINET (L), REAR
*10 1-660-457-11 AMPLIFIER BOARD
11 4-980-946-21 BUTTON (POWER)
12 2-141-216-01 SPACER (VOL)
13 4-980-949-21 KNOB, VOLUME
14 3-831-441-11 CUSHION, CABINET UPPER 10X7X0.5
P1 1-559-891-41 CORD (WITH PLUG)(L)
SP1 1-505-281-11 SPEAKER (057F005)(L)
Ref. No. Part No. Description Remark
51 X-4949-021-1 CABINET (R) ASSY, FRONT
52 7-685-645-79 SCREW +BVTP 3X6 TYPE2 N-S
53 4-980-944-21 CABINET (R), REAR
– 5 – – 6 –
Ref. No. Part No. Description Remark
54 7-685-135-19 SCREW +P 2.6X10 TYPE2 SLIT
P2 1-696-003-41 CORD (WITH PLUG)(R)
SP2 1-505-281-11 SPEAKER (057F005)(R)
Page 6
SECTION 4
ELECTRICAL PARTS LIST
AMPLIFIER
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 and -X mean standardized parts, so they
may have some difference from the original one.
• RESISTORS
All resistors are in ohms.
MET AL: Metal-film resistor.
MET AL OXIDE: Metal oxide-film resistor.
F: nonflammable
Ref. No. Part No. Description Remark
* 1-660-457-11 AMPLIFIER BOARD
***************
< CAPACITOR >
C1 1-162-294-31 CERAMIC 0.001uF 10% 50V
C2 1-126-961-11 ELECT 2.2uF 20% 50V
C3 1-162-305-11 CERAMIC 0.0068uF 30% 16V
C4 1-126-961-11 ELECT 2.2uF 20% 50V
C5 1-126-961-11 ELECT 2.2uF 20% 50V
C6 1-126-925-11 ELECT 470uF 20% 10V
C7 1-126-935-11 ELECT 470uF 20% 6.3V
C8 1-126-935-11 ELECT 470uF 20% 6.3V
C9 1-162-851-11 CERAMIC 0.1uF 16V
C10 1-162-294-31 CERAMIC 0.001uF 10% 50V
C11 1-162-294-31 CERAMIC 0.001uF 10% 50V
C12 1-126-961-11 ELECT 2.2uF 20% 50V
C13 1-162-305-11 CERAMIC 0.0068uF 30% 16V
C14 1-126-961-11 ELECT 2.2uF 20% 50V
C15 1-126-961-11 ELECT 2.2uF 20% 50V
C16 1-126-925-11 ELECT 470uF 20% 10V
C17 1-126-935-11 ELECT 470uF 20% 6.3V
C18 1-126-935-11 ELECT 470uF 20% 6.3V
C19 1-162-851-11 CERAMIC 0.1uF 16V
C20 1-162-294-31 CERAMIC 0.001uF 10% 50V
C21 1-162-294-31 CERAMIC 0.001uF 10% 50V
< DIODE >
• 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. . : µA. . uP A. . : µP A. .
uPB. . : µPB. . uPC. . : µPC. .
uPD. . : µPD. .
• CAP ACITORS
uF: µF
• COILS
uH: µH
When indicating parts by reference
number, please include the board.
Ref. No. Part No. Description Remark
< JACK >
JK1 1-568-907-21 JACK, DC (POLARITY UNIFIED TYPE)
(DC IN 6V)
JK2 1-507-777-11 JACK, SMALL TYPE (R OUT)
< RESISTOR >
R1 1-249-425-11 CARBON 4.7K 5% 1/4W
R2 1-247-815-91 CARBON 220 5% 1/4W
R3 1-249-429-11 CARBON 10K 5% 1/4W
R4 1-249-425-11 CARBON 4.7K 5% 1/4W
R5 1-247-815-91 CARBON 220 5% 1/4W
R6 1-249-429-11 CARBON 10K 5% 1/4W
R7 1-249-420-11 CARBON 1.8K 5% 1/4W
< SWITCH >
SW1 1-692-040-11 SWITCH, PUSH (1 KEY)(POWER)
< VARIABLE RESISTOR >
VR1 1-241-755-11 RES, VAR, CARBON 15K/15K (VOLUME)
************************************************************
MISCELLANEOUS
**************
P1 1-559-891-41 CORD (WITH PLUG)(L)
P2 1-696-003-41 CORD (WITH PLUG)(R)
SP1 1-505-281-11 SPEAKER (057F005)(L)
SP2 1-505-281-11 SPEAKER (057F005)(R)
D1 8-719-812-26 DIODE TLR226 (POWER)
< IC >
IC1 8-759-366-92 IC LA4525
IC2 8-759-366-92 IC LA4525
************************************************************
ACCESSORIES & PACKING MATERIALS
********************************
3-860-815-11 MANUAL, INSTRUCTION
(ENGLISH, FRENCH, GERMAN, SPANISH,
DUTCH, SWEDISH, PORTUGUESE, ITALIAN)
– 7 –
Page 7
SRS-PC21L
9-923-251-11
Sony Corporation
Personal A&V Products Company
– 8 –
Printed in Japan © 1997. 8
97H0566-1
Published by Quality Engineering Dept.
(Shibaura)
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