Aiwa SC-UC78 Service Manual
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Aiwa SC-UC78 Service Manual

Aiwa SC-UC78 Service Manual

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SC-UC78
U<W>
R
L
SERVICE MANUAL
ACTIVE SPEAKER SYSTEM
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
SC-UC78 (D<S>,UW)(S/M Code No.09-993-326-9T1).
S/M Code No. 09-993-326-9R2

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Summary of Contents for Aiwa SC-UC78

  • Page 1 SC-UC78 U<W> SERVICE MANUAL ACTIVE SPEAKER SYSTEM This Service Manual is the “Revision Publishing” and replaces “Simple Manual” SC-UC78 (D<S>,UW)(S/M Code No.09-993-326-9T1). S/M Code No. 09-993-326-9R2...

  • Page 2: Specifications

    SPECIFICATIONS • Design and specifications are subject to change without notice...

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION !PR2 87-A90-069-080 FUSE,2A 125V 251 !PR3 87-A90-069-080 FUSE,2A 125V 251 87-A20-754-010 IC,BA4558N-DX 87-029-167-060 RES,FUSE 10-1/4W J 87-001-596-010 IC,NJM4580L 87-001-629-110 IC,LA4630 87-A20-356-080 C-IC,MM1326AJBE FRONT C.B 8Z-YP5-607-010 IC,UDA1321T 87-010-405-080...

  • Page 4: Chip Resistor Part Code

    REF. NO PART NO. KANRI DESCRIPTION 82-304-743-010 TERMINAL, 1P PT1 C.B !PT1 87-YP5-608-110 PT,U • 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. CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure...

  • Page 5: Ic Block Diagram

    IC BLOCK DIAGRAM IC DESCRIPTION IC, MM1326AJBE IC, UDA1321T Pin No. Pin Name Description GP2/DO General purpose pin 2 or data output for extra DSP chip. GP3/WSO General purpose pin 3 or master word select output for extra DSP chip. GP4/BCKO General purpose pin 4 or master bit clock output for extra DSP chip.
  • Page 6 SCHEMATIC DIAGRAM-1 (MAIN/FRONT) AC: 120V 60Hz...
  • Page 7 WIRING-1 (MAIN/FRONT)
  • Page 8 SCHEMATIC DIAGRAM-2 (USB)
  • Page 9 WIRING-2 (USB/PT)

  • Page 10: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1/1 P.C.B HI-SINK a i w CABI BAFFLE...

  • Page 11: Mechanical Parts List

    MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 87-YP5-203-010 401-1LG7YP-5,FRAME L 21 87-YP5-220-010 HLDR,HT 2 87-YP5-003-110 CABI,FRONT L 22 8Z-YP5-201-010 HLDR,JACK-USB 3 87-YP5-606-110 SPKR ST 77 4OHM 23 8Z-YP5-202-010 HLDR,PWB-USB 4 87-YP5-011-010 331-7YP-5,GRILL SIDE 24 87-YP5-209-010 HLDR,PWB...

  • Page 12: Accessories/Package List

    ACCESSORIES/PACKAGE LIST REF. NO PART NO. KANRI DESCRIPTION 1 8Z-YP5-611-010 CORD ASSY,USB 1.5M 2 8Z-YP5-901-010 IB,U(3L)<UW> 2 8Z-YP5-902-010 IB,D(J)<D<S>>...

  • Page 13: Mechanical Section

    REFERENCE NAME LIST ELECTRICAL SECTION MECHANICAL SECTION DESCRIPTION REFERENCE NAME DESCRIPTION REFERENCE NAME ANTENNAS ADHESHIVE SHEET ADHESHIVE CHIP AZIMUTH C-CAP CAP, CHIP BAR-ANT BAR-ANTENNA C-CAP TN CAP, CHIP TANTALUM BATTERY C-COIL COIL, CHIP BATT BATTERY C-DI DIODE, CHIP BEARING C-DIODE DIODE, CHIP BUTTON C-FET...
  • Page 14 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore 931196...

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