Aiwa SCA-48 Service manual
SC-A48
ALH(B)
SC-C48
AU(W)
SERVICE MANUAL
ACTIVE SPEAKER
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
SC-A48 AU<B>(S/M Code No.09-994-328-6T2)
.
S/M Code No. 09-994-328-6R2
REVISION
DATA
SPECIFICATIONS
ALH MODEL AU MODEL
Power requirements Domestic AC power using the
Speakers 77 mm full range antimagnetic
Power output 4 W+4 W (150 Hz-20 kHz, T.H.D
Frequency response 70 Hz-20 kHz
Input terminals/sensitivity INPUT: 300 mV/5 kΩ, stereo
Design and specifications are subject to change without
•
notice
.
Dimensions (W/H/D) 85 * 210 * 160 mm
Weight L: 582 g (1.3 lbs.)/R: 682 g (1.5
Design and specifications are subject to change without
•
notice
.
supplied AC adaptor
type speakers/4 Ω (2)
less than 1%, 4 Ω)
mini-plug (1)
(3 3/8 * 8 3/8 * 6 3/8 in.)
lbs.)
ACCESSORIES/PACKAGE LIST
REF. NO PART NO. KANRI DESCRIPTION
1 88-YP7-906-010 IB,LH(ESP)<ALHB>
1 88-YP7-905-010 IB,U(ESF)<AUWC>
!
2 87-B30-218-010 AC ADAPTOR,AC-D1301HRNC<ALHB>
!
2 87-B30-219-010 AC ADAPTOR,AC-D1301UNC<AUWC>
!
3 87-099-789-010 PLUG,ADPTR IR44<ALHB>
NO.
2
IC BLOCK DIAGRAM
ELECTRICAL MAIN PARTS LIST
REF. NO PART NO. KANRI DESCRIPTION
NO.
IC
87-017-982-010 IC,BA5412
87-A20-946-040 C-IC,MM1434XF
87-017-888-080 IC,NJM4558MD
TRANSISTOR
89-318-155-080 TR,2SC1815 (0.4W)
DIODE
87-017-120-080 ZENER,HZS9C3
87-020-465-080 DIODE,1SS133 (110MA)
87-017-978-080 DIODE,1N4003
MAIN C.B
C1 87-010-178-080 CHIP CAP 1000P
C2 87-010-178-080 CHIP CAP 1000P
C3 87-010-401-080 CAP, ELECT 1-50V
C4 87-010-401-080 CAP, ELECT 1-50V
C5 87-010-401-080 CAP, ELECT 1-50V
C6 87-010-401-080 CAP, ELECT 1-50V
C7 87-010-405-080 CAP, ELECT 10-50V
C8 87-010-402-080 CAP, ELECT 2.2-50V
C9 87-010-197-080 CAP, CHIP 0.01 DM
C10 87-010-197-080 CAP, CHIP 0.01 DM
C11 87-010-197-080 CAP, CHIP 0.01 DM
C12 87-010-197-080 CAP, CHIP 0.01 DM
C13 87-010-405-080 CAP, ELECT 10-50V
C14 87-010-405-080 CAP, ELECT 10-50V
C17 87-010-400-080 CAP, ELECT 0.47-50V
REF. NO PART NO. KANRI DESCRIPTION
C18 87-010-400-080 CAP, ELECT 0.47-50V
C21 87-010-405-080 CAP, ELECT 10-50V
C22 87-010-405-080 CAP, ELECT 10-50V
C23 87-010-178-080 CHIP CAP 1000P
C24 87-010-178-080 CHIP CAP 1000P
C25 87-010-237-080 CAP, ELECT 1000-16V
C26 87-010-237-080 CAP, ELECT 1000-16V
C27 87-010-380-080 CAP, ELECT 47-16V
C28 87-010-380-080 CAP, ELECT 47-16V
C29 87-010-380-080 CAP, ELECT 47-16V
C30 87-010-380-080 CAP, ELECT 47-16V
C33 87-010-384-080 CAP, ELECT 100-25V
C34 87-010-405-080 CAP, ELECT 10-50V
C35 87-010-101-080 CAP, ELECT 220-16
C36 87-010-405-080 CAP, ELECT 10-50V
C37 87-010-385-080 CAP, ELECT 220-25V
C38 87-010-405-080 CAP, ELECT 10-50V
C39 87-010-401-080 CAP, ELECT 1-50V
C40 87-010-401-080 CAP, ELECT 1-50V
C41 87-016-081-080 C-CAP,S 0.1-16 RK
C42 87-010-260-080 CAP, ELECT 47-25V
C43 87-010-379-080 CAP, ELECT 22-16V
J1 87-099-399-010 JACK,DC TYPE-4 N-EIAJ
J2 87-YP6-609-010 JACK,3.5 BLK ST
!
PR1 87-A90-726-080 PROTECTOR,1.6A 491SERIES 60V
S1 84-SP3-623-010 SW,PUSH 2-2-2
S2 84-SP3-623-010 SW,PUSH 2-2-2
VR1 87-YP5-622-010 104-10KA-11001,VR RTRY 10KAX2
VR2 87-YP5-622-010 104-10KA-11001,VR RTRY 10KAX2
LED C.B
D4 88-YP6-615-010 153-L-34GD,LED L-34GD GRN
NO.
IC, MM1434XF
IC, NJM4558MD
• Regarding connectors, they are not stocked as they are not the initial order items.
The connectors are available after they are supplied from connector manufacturers upon the order is received.
TRANSISTOR ILLUSTRATION
ECB
2SC1815
43
Loading...