Aiwa SC-UC78 は、コンパクトなサイズながら、高音質なサウンドと幅広い機能を備えたアクティブスピーカーシステムです。PCやスマートフォン、ゲーム機などの様々な機器を接続して使用することができ、迫力のあるサウンドを楽しむことができます。
また、USB端子を装備しており、MP3やWMAなどの音楽ファイルを再生することも可能です。さらに、本体に搭載されたボリューム調整ダイヤルやヘッドホン端子など、操作性の良い設計が特徴です。
SC-UC78は、デスクトップやリビングなど、様々なシーンで活躍するスピーカーシステムです。
Aiwa SC-UC78 は、コンパクトなサイズながら、高音質なサウンドと幅広い機能を備えたアクティブスピーカーシステムです。PCやスマートフォン、ゲーム機などの様々な機器を接続して使用することができ、迫力のあるサウンドを楽しむことができます。
また、USB端子を装備しており、MP3やWMAなどの音楽ファイルを再生することも可能です。さらに、本体に搭載されたボリューム調整ダイヤルやヘッドホン端子など、操作性の良い設計が特徴です。
SC-UC78は、デスクトップやリビングなど、様々なシーンで活躍するスピーカーシステムです。
ACTIVE SPEAKER SYSTEM
SC-UC78
S/M Code No. 09-993-326-9R1
D<S>
SERVICE MANUAL
REVISION
DATA
MODEL CODE : 8ZYP5-0137(S)
R
L
aiwa
aiwa
2
SPECIFICATIONS
•
3
!
!
!
!
4
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
IC
87-A20-754-010 0E IC,BA4558N-DX
87-001-596-010 1B IC,NJM4580L
87-001-629-110 1H IC,LA4630
87-A20-356-080 1E C-IC,MM1326AJBE
8Z-YP5-607-010 2B IC,UDA1321T
87-A21-195-080 1B IC,RE5RE33AA
TRANSISTOR
89-213-702-010 1A TR,2SB1370 (1.8W)
89-110-155-080 0E TR,2SA1015(0.4W)
89-318-155-080 0E TR,2SC1815 (0.4W)
89-420-612-010 1A TR,2SD2061 (2W)
DIODE
87-020-465-080 0E DIODE,1SS133 (110MA)
87-A40-458-080 0E ZENER,MTZJ18B
87-017-933-080 0E ZENER,MTZJ10D
86-SP2-646-010 0E 151-540235,DIODE IN5402LT
MAIN C.B
C1 87-018-131-080 0E CAP, CER 1000P-50V
C2 87-018-131-080 0E CAP, CER 1000P-50V
C3 87-018-127-080 0E CAP, CER 470P-50V
C4 87-018-127-080 0E CAP, CER 470P-50V
C5 87-010-495-040 0E CAP,E 2.2-50 GAS
C6 87-010-495-040 0E CAP,E 2.2-50 GAS
C7 87-018-209-080 0E CAP, CER 0.1-50V
C8 87-010-405-080 0E CAP, ELECT 10-50V
C25 87-010-404-080 0E CAP, ELECT 4.7-50V
C26 87-010-404-080 0E CAP, ELECT 4.7-50V
C27 87-010-248-080 0E CAP, ELECT 220-10V
C28 87-010-248-080 0E CAP, ELECT 220-10V
C31 87-010-491-040 0E CAP,E 0.22-50 GAS
C32 87-010-491-040 0E CAP,E 0.22-50 GAS
C33 87-010-406-080 0E CAP, ELECT 22-50
C34 87-010-406-080 0E CAP, ELECT 22-50
C35 87-010-235-080 0E CAP,E 470-16 SME
C36 87-010-235-080 0E CAP,E 470-16 SME
C45 87-010-384-080 0E CAP, ELECT 100-25V
C46 87-018-209-080 0E CAP, CER 0.1-50V
C47 87-A10-797-040 0E CAP,E 47-35 M 5L SRM
C48 87-010-394-080 1A CAP ELECT220-35V
C50 87-018-209-080 0E CAP, CER 0.1-50V
C51 87-010-396-080 1A CAP,E 470-35 SME
C52 87-010-393-080 0E CAP, ELECT 100-35V
C53 87-A10-641-090 -- CAP,E 4700-35 UTES
C54 87-018-209-080 0E CAP, CER 0.1-50V
C55 87-018-209-080 0E CAP, CER 0.1-50V
C56 87-018-209-080 0E CAP, CER 0.1-50V
C57 87-018-209-080 0E CAP, CER 0.1-50V
C58 87-018-202-080 0E CAP.CERAM.6800PF
C59 87-018-202-080 0E CAP.CERAM.6800PF
C60 87-010-494-040 0E CAP,E 1-50 GAS
C61 87-018-209-080 0E CAP, CER 0.1-50V
C62 87-010-405-080 0E CAP, ELECT 10-50V
C63 87-010-263-080 0E CAP, ELECT 100-10V
C64 87-018-131-080 0E CAP, CER 1000P-50V
C77 87-010-405-080 0E CAP, ELECT 10-50V
C78 87-010-405-080 0E CAP, ELECT 10-50V
CN1 87-099-543-010 1A CONN,10P TKC-M10P-B1
CN3 87-099-043-010 0E CONN 2P EH
CN7 87-099-043-010 0E CONN 2P EH
J2 87-YP5-607-010 1H JACK 3.5 ST W/SW HP
J3 87-YP5-619-010 1H JACK DIN 5P
!
PR2 87-A90-091-080 1A PROTECTOR,2A 491
!
PR3 87-A90-091-080 1A PROTECTOR,2A 491
R67 87-029-167-060 0E RES,FUSE 10-1/4W J
FRONT C.B
C9 87-010-405-080 0E CAP, ELECT 10-50V
C10 87-010-405-080 0E CAP, ELECT 10-50V
C15 87-010-406-080 0E CAP, ELECT 22-50
C16 87-010-406-080 0E CAP, ELECT 22-50
C17 87-010-260-080 0E CAP, ELECT 47-25V
C18 87-018-209-080 0E CAP, CER 0.1-50V
C19 87-010-405-080 0E CAP, ELECT 10-50V
C20 87-010-405-080 0E CAP, ELECT 10-50V
C21 87-018-209-080 0E CAP, CER 0.1-50V
C24 87-010-260-080 0E CAP, ELECT 47-25V
C66 87-010-405-080 0E CAP, ELECT 10-50V
C67 87-010-405-080 0E CAP, ELECT 10-50V
C76 87-010-405-080 0E CAP, ELECT 10-50V
C79 87-018-209-080 0E CAP, CER 0.1-50V
C79 87-018-209-080 0E CAP, CER 0.1-50V
C80 87-010-405-080 0E CAP, ELECT 10-50V
D1 87-YP5-627-010 0E 153-DLTL4231,LED DIA3 GRN
CN2 87-009-797-010 1A CONN,10P TKC-M X
S2 84-SP3-623-010 1H SW,PUSH 2-2-2
VR1 87-YP5-622-010 1B 104-10KA-11001,VR RTRY 10KAX2
VR2 87-YP5-623-010 1B 102-20KB-11001,VR RTRY 20KBX1H
USB C.B
C201 87-010-190-080 0E S CHIP F 0.01
C202 87-010-190-080 0E S CHIP F 0.01
C203 87-010-314-080 0E C-CAP,S 22P-50V
C204 87-010-314-080 0E C-CAP,S 22P-50V
C205 87-010-178-080 0E CHIP CAP 1000P
C206 87-010-311-080 0E CAP 12P
C207 87-010-149-080 0E C-CAP,S 5P-50 CH
C208 87-016-044-040 0E CAP,E 100-16 GAS
C209 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C210 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C211 87-016-044-040 0E CAP,E 100-16 GAS
C212 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C213 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C214 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C215 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C216 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C217 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C218 87-010-497-040 0E CAP,E 4.7-35 GAS
C219 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C220 87-010-497-040 0E CAP,E 4.7-35 GAS
C221 87-010-497-040 0E CAP,E 4.7-35 GAS
C222 87-010-178-080 0E CHIP CAP 1000P
C223 87-010-178-080 0E CHIP CAP 1000P
C224 87-010-196-080 0E CHIP CAPACITOR,0.1-25
C225 87-010-196-080 0E CHIP CAPACITOR,0.1-25
CN201 87-009-311-010 0E CONN 5P 51048
J201 87-A60-853-010 -- JACK,USB-B
L201 87-A91-164-010 1H FLTR,ZJY-M4A
L202 87-003-142-080 0E COIL,3.3UH LAL02
L203 87-A50-182-080 0E C-COIL,3216 BLM31A601S
L204 87-A50-182-080 0E C-COIL,3216 BLM31A601S
L205 87-A50-182-080 0E C-COIL,3216 BLM31A601S
X201 8Z-YP5-608-010 1C VIB,48MHZ XTAL
PT2 C.B
!
87-033-213-080 0E CLAMP, FUSE
CN6 87-099-043-010 0E CONN 2P EH
!
F1 87-035-489-010 1A FUSE,4A125V D UL
!
T1 82-304-743-010 0E TERMINAL, 1P
!
T2 82-304-743-010 0E TERMINAL, 1P
65
REF. NO PART NO. KANRI DESCRIPTION
NO.
TRANSISTOR ILLUSTRATION
PT1 C.B
!PT1 87-YP5-609-010 2Y PT,D
•
• 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.
88
A
Resistor Code
Chip Resistor Part Coding
Figure
Value of resistor
Chip resistor
Wattage Type Tolerance
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
CJ
CJ
CJ
Form
LW t
1.6 0.8 0.45
2 1.25 0.45
3.2
1.6
108
118
128
: A
: A
CHIP RESISTOR PART CODE
0.55
Resistor Code
Dimensions (mm)
Symbol
1/16W 1005 5% CJ
1.0 0.5 0.35 104
L
t
W
E C B BCE
2SA1015
2SC1815
2SB1370
2SD2061
IC BLOCK DIAGRAM
IC, MM1326AJBE
GP1/DI28
IC, UDA1321T
IC DESCRIPTION
I/O
87
SCHEMATIC DIAGRAM-1 (MAIN/FRONT)
AC: 100V 50/60Hz
1
234567
8
9
10
11 12 13
14
A
B
C
D
E
F
G
H
I
J
K
109
WIRING-1 (MAIN/FRONT)
1211
SCHEMATIC DIAGRAM-2 (USB)
1
234567
8
9
10
11 12 13
14
A
B
C
D
E
F
G
H
I
J
K
1413
WIRING-2 (USB/PT)
1615
MECHANICAL EXPLODED VIEW 1/1
aiwa
D
D
E
D
9
10
11
12
14
15
16
4
17
18
19
8
20
P.C.B
21
22
23
14
HI-SINK
24
25
28
26
27
G
E
A
A
E
F
E
E
E
E
E
B
C
A
A
8
1
2
3
4
5
6
7
8
8
13
CABI BAFFLE
D
D
H
A
A
C
B
B
B
D
D
D
17
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
MECHANICAL PARTS LIST 1/1
1 87-YP5-203-010 1F 401-1LG7YP-5,FRAME L
2 8Z-YP5-009-010 -- CABI,FRONT L S
3 87-YP5-606-110 1H SPKR ST 77 4OHM
4 8Z-YP5-017-010 -- GRILLE,SIDE S
5 8Z-YP5-011-010 -- CABI,REAR L S
6 87-YP5-204-010 1C 401-107YP-5,RING DUCT
7 87-YP5-605-210 2P SPKR,W 100 6OHM
8 87-YP5-208-010 0E 430-F7YP-5,FOOT BOT
9 87-YP5-202-010 1F 401-1RG7YP-5,FRAME R
10 8Z-YP5-014-010 -- KNOB,RTRY S
11 87-YP5-008-110 1B WINDOW,LED
12 8Z-YP5-007-010 -- CABI,FRONT R S USB
13 87-YP5-620-010 1H 186-7YP-5,CORD ASSY DIN
14 87-084-078-010 0E NYLON RIVET
15 8Z-YP5-609-010 -- F-CABLE,5P 2
16 8Z-YP5-008-010 -- CABI,REAR R S USB
!
17 85-SP3-624-010 1F AC CORD,D
18 86-SP2-637-010 -- BUSHING,AC U
19 8Z-YP5-612-010 -- CORD ASSY,3.5ST-VW1
20 87-YP5-236-010 1B COVER,TERMINAL AC
21 87-YP5-220-010 -- HLDR,HT
22 8Z-YP5-201-010 -- HLDR,JACK-USB
23 8Z-YP5-202-010 -- HLDR,PWB-USB
24 87-YP5-209-010 1A HLDR,PWB
25 8Z-YP5-013-010 -- BTN,KNOB Q SOUND S
26 87-YP5-626-010 -- SW,PUSH 1-1-1 SY16-52-3
27 8Z-YP5-012-010 -- BTN,KNOB POWER S
28 87-YP5-213-010 1A HLDR,LED
A 87-067-581-010 0E TAPPING SCREW, BVT2+3-15
B 87-067-945-110 0E VFT2+3-12(F10)
C 87-YP5-227-010 -- VFT2+3-18 W/O (F10)
D 87-067-822-010 0E BVT2+3-20 W/O SLOT
E 87-067-703-010 0E TAPPING SCREW, BVT2+3-10
F 87-067-688-010 0E BVTT+3-6
G 87-067-566-010 0E TAPPING SCREW, VFTT+3-6
H 87-067-873-010 0E BVT2+3-25 W/O SLOT
Basic color symbol Color Basic color symbol Color Basic color symbol Color
B Black C Cream D Orange
G Green H Gray L Blue
LT Transparent Blue N Gold P Pink
R Red S Silver ST Titan Silver
T Brown V Violet W White
WT Transparent White Y Yellow YT Transparent Yellow
LM Metallic Blue LL Light Blue GT Transparent Green
LD Dark Blue DT Transparent Orange
COLOR NAME TABLE
18
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES/PACKAGE LIST
1 8Z-YP5-611-010 -- CORD ASSY,USB 1.5M
2 8Z-YP5-902-010 -- IB,D(J)
19
ELECTRICAL SECTION
DESCRIPTION REFERENCE NAME
ANT ANTENNAS
C- CHIP
C-CAP CAP, CHIP
C-CAP TN CAP, CHIP TANTALUM
C-COIL COIL, CHIP
C-DI DIODE, CHIP
C-DIODE DIODE, CHIP
C-FET FET, CHIP
C-FOTR FILTER, CHIP
C-JACK JACK, CHIP
C-LED LED, CHIP
C-RES RES, CHIP
C-SFR SFR, CHIP
C-SLIDE SW SLIDE SWITCH, CHIP
C-SW SWITCH, CHIP
C-TR TRANSISTOR, CHIP
C-VR VOLUME, CHIP
C-ZENER ZENER, CHIP
CAP, CER CAP, CERA-SOL
CAP, E CAP, ELECT
CAP, M/F CAP, FILM
CAP, TC CAP, CERA-SOL
CAP, TC-U CAP, CERA-SOL SS
CAP, TN CAP, TANTALUM
CERA FIL FILTER, CERAMIC
CF FILTER, CERAMIC
DL DELAY LINE
E/CAP CAP, ELECT
FILT FILTER
FLTR FILTER
FUSE RES RES, FUSE
MOT MOTOR
P-DIODE PHOTO DIODE
P-SNSR PHOTO SENSER
P-TR PHOTO TRANSISTOR
POLY VARI VARIABLE CAPACITOR
PPCAP CAP, PP
PT POWER TRANSFORMER
PTR, RES PTR, MELF
RC REMOTE CONTROLLER
RES NF RES, NON-FLAMMABLE
RESO RESONATOR
SHLD SHIELD
SOL SOLENOID
SPKR SPEAKER
SW, LVR SWITCH, LEVER
SW, RTRY SWITCH, ROTARY
SW, SL SWITCH, SLIDE
TC CAP CAP, CERA-SOL
THMS THERMISTOR
TR TRANSISTOR
TRIMMER CAP, TRIMMER
TUN-CAP VARIABLE CAPACITOR
VIB, CER RESONATOR, CERAMIC
VIB, XTAL RESONATOR, CRYSTAL
VR VOLUME
ZENER DIODE, ZENER
REFERENCE NAME LIST
MECHANICAL SECTION
DESCRIPTION REFERENCE NAME
ADHESHIVE SHEET ADHESHIVE
AZ AZIMUTH
BAR-ANT BAR-ANTENNA
BAT BATTERY
BATT BATTERY
BRG BEARING
BTN BUTTON
CAB CABINET
CASS CASSETTE
CHAS CHASSIS
CLR COLLAR
CONT CONTROL
CRSR CURSOR
CU CUSHION
CUSH CUSHION
DIR DIRECTION
DUBB DUBBING
FL FRONT LOADING
FLY-WHL FLYWHEEL
FR FRONT
FUN FUNCTION
G-CU G-CUSHION
HDL HANDOL
HIMERON CLOTH
HINGE, BAT HINGE, BATTERY
HLDR HOLDER
HT-SINK HEAT SINK
IB INSTRUCTION BOOKLET
IDLE IDLER
IND, L-R INDICATOR, L-R
KEY, CONT KEY, CONTROL
KEY, PRGM KEY, PROGRAM
KNOB, SL KNOB, SLIDE
LBL LABEL
LID, BATT LID, BATTERY
LID, CASS LID, CASSETTE
LVR LEVER
P-SP P-SPRING
PANEL, CONT PANEL, CONTROL
PANEL, FR PANEL, FRONT
PRGM PROGRAM
PULLY, LOAD MO PULLY, LOAD MOTOR
RBN RIBBON
S- SPECIAL
SEG SEGMENT
SH SHEET
SHLD-SH SHIELD-SHEET
SL SLIDE
SP SPRING
SP-SCREW SPECIAL-SCREW
SPACER, BAT SPACER, BATTERY
SPR SPRING
SPR-P P-SPRING
SPR-PC-PUSH P-SPRING, C-PUSH
T-SP T-SPRING
TERM TERMINAL
TRIG TRIGGER
TUN TUNING
VOL VOLUME
W WASHER
WHL WHEEL
WORM-WHL WORM-WHEEL
931196
Printed in Singapore
2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111
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