Sony srs 18 service manual

Page 1

SRS-18

SERVICE MANUAL 1 U3 Model

Canadian Model
AEP Model

E Model

EXPLODED VIEW

SPECIFICATIONS
AmpIiIier secllon (Lefl channel) - Dimensions: Approx. ET:
. Power output 200 mW+200 mW 70x 84x 58 mm (w/hld). _ _
- Input Impedance: 50 ohms (271. 33/, x 23/. inches) ; gig-373:3? 3:31,}:2 (C)
(3' 1 H" _ . ' WES: 9"? m9 (9'5 I 3 3-831-441-11 cusmoW. LIo. 3mm CASE
Speaker secxlon (Left channellRIghl nor Incl. bauenes 4 44414224 CABINET (II BACK (BLACK)
Chm") ' S"" 55: SW 4 4-947-822-H CABINET (L). BACK (WIIITE) (AEP E)
- System: Full-range. 57 mm dia (2V. bauenes SUM-3 (NS) (2) 4-947 821 N CABINET II.)- BACK (RED) (AEP E)
inches], Bass reflex enclosure - OptionaI accessories: ' ' ' '
- Nommal impedance: 4 ohms Plug adaptor 5 4.941.323.01 CABINET (II). BACK (BLACK)
(OFF/DIRECT) P0234? PCZasMS- a 4-941-323-11 CARIRET (RI. BACK (WHITE) (AEP. E)
- Power handlmg capacxly Connecung cord RK-G138 5 4_947'323_2 CABINET (II). BACK (RED) (AEP. E)
(OFFD'HECII 20° "w "3) Design and soecIquauons 5 4-947-324-01 LID. erIIv CASE (BLACK)
6:22;), (max) subject to change wnnom nolice s 4-947-6244I LID. 3mm CASE (WHITE) (AEP. E)
. Powe' requirement: Dc 3 V. 6 4-947-824-21 LID. BATTERV CASE (RED) (AEP, E)
Iwo size AA (R6) banerles (lelt 7 * 4-947-821-01 PLATE. ELIIID
speaker only) 3 t 4-9A8-MS-DI TERMINAL BOARD. PLUS
- BalleryliIe[a(1o mw+Io mW 9 9-511-845-XX RETAINER. SPEAKER
OUIDUUZ Approx» 5 "Ws Wm" 10 X-AQM-OEI-I CABIMEHL) ASSYIR). FRONTGIED) (AEP. E)
Sony banenes SUM-3 (NS). ID X-4942-053-I CABINET (I) ASSV (W). FRONT (WHITE) (AEP. E)
Approx- 30 OU'S WI!" 50ml III X-49l2-055-1 CABINET) ASSHB). FRONT (BLACK)
alkaline baueries AM3 (N)
II WASH-0524 CABIREHR) ASSHR). FRONHRED) (AEP. E)
II X-4942-054-I CABINETUI) ASSYIW). FRONT (WHITE) (AEP. E)
II X-4942-056-1 CAHIMEHR) ASSY(B). FRONT (BLACK)
l2 7-685-534-19 SCREW HIT? 2.6)(8
0 Items marked " II are not stocked since I3 1590375 CORD MIT PLUG)
they are seldom required for routine H 1'690'379' CORD (WITH PLUG)
service, Some delay should be antici- Sp] 1-544.535-n SPEAKER (5.70M)
name) when ordering these items. SP1 1-544-585-II SPEAKER (5. 70M)

SPEAKER SYSTEM
SONY;

Page 2

5315-18

ELECTRICAL PARTS LIST

NOTE:
0 Due to standardization. replacements in 0 Items marked at are not stocked since

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

they are seldom required for routine
service Some delay should be antici-
pated when ordering these items.
SEMICONDUCTORS

In each case, u: u, for example:

original one. uAr..: uPA...: uPAm,
RESISTORS uPB. pPBm, uPC...: POM,
All resistors are in ohms uPDm: uPDm
METAL: Metal-film resistor CAPACITORS
METAL OXIDE: Metal Oxide-film resis- up; MF
0' 0 CDILS
F: nonflarnmable uH: uH
Ref. No. Part Nor Description Remark
1! I-641<456-1I AMPLIFIER BOARD
fltfltfiflfl
< CAPACITOR >
C1 1-15I-051-00 CERAMIC 0.0qu I0% 50V
C2 I-IZS-ISA-II ELECT ATuF 20% 8.3V
C3 I-Ilfi-lST-il ELECT 10uF 20% 16V
CA I-IST-lQS-II FILM 0. 39M 5% 50V
C5 I-l26<154-IL ELECT lI'luF 20% 6.3V
CC i-lSI-051-00 CERAMIC 0.0TDF 10% 50V
CT I-lIS-ISA-H ELECT 47uF 20% 6. 3V
CB 1-i28-110-6I ELECT 470uF 20% 4V
(:0 l-ISI-051-00 CERAMIC 0.01uF 10% 50V
CIO 1-126-157-11 ELECT 10uf 20% IEV
CII 1-126-154-11 ELECT "HF 20% 5. 3V
CIZ I-IST'IBS-II FILM 0 UP 5% 50V
013 I-161-051-00 CERAMIC 0.0qu 10% 50V
C14 1~IZB-IIO6I ELECT 470uF 20% IV
< DIODE >
DI 8-719-924-34 LED PRZIHD
( LC )
lCl 845944243 lC LMBSIII
< JACK )
Ji 1-569-215-H JACK
< RESISTOR >
RI 1-249-407-11 CARBON W) 5% l/AW
R2 1-249-395-11 CARBON 15 5% VII
R3 1-249-407-11 CARBON 150 5% VIII
RA l-Z47-190-II CARBUII 20 5% 1/404
R5 L-ZAB-AII-II CARBOII 330 5% I/IW
( SWITCH >
81 1-554-205-00 SWITCH. SLIDE (POWER)

HHtflflflnfiuflfltflflMttHHHHIHtitflfluflflfl

MISCELLANEOUS

mum":
13 I-690-378-11 CORD (WITH PLUG)
14 1-690-3TD-II CORD (WITH PLUG)
SP1 I-SU-SBS-II SPEAKER (5.700

SP2 1-544-585-11 SPEAKER (5.1ch