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Aiwa AV-HD50 Service Manual
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Aiwa AV-HD50 Service Manual

Aiwa AV-HD50 Service Manual

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AV-HD50
EZ,K
SERVICE MANUAL
STEREO AV RECEIVER
• Replace this Service manual with "Revision Publishing" when it is issued.
S/M Code No. 09-00C-439-7T1

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Summary of Contents for Aiwa AV-HD50

  • Page 1 AV-HD50 EZ,K SERVICE MANUAL STEREO AV RECEIVER • Replace this Service manual with “Revision Publishing” when it is issued. S/M Code No. 09-00C-439-7T1...
  • Page 2 O APPEARANCE 8A-AR6-037-010 — PANEL,REAR EZSC EZSC AV-HD50 O APPEARANCE 8A-AR6-038-010 — PANEL,REAR KSC AV-HD50 O APPEARANCE 8A-AV6-008-010 0E BADGE,AIWA 25 SIL EZSC AV-HD50 O APPEARANCE 8A-AV6-008-010 0E BADGE,AIWA 25 SIL AV-HD50 O CODEC 0301 87-A12-091-080 0E CAP,E 10-50 SMG...
  • Page 3 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X CODEC JR 0301 88-118-000-080 0E C-JUMPER,S EZSC AV-HD50 X CODEC JR 0301 88-118-000-080 0E C-JUMPER,S AV-HD50 X CODEC JR 0302 88-118-000-080 0E C-JUMPER,S EZSC AV-HD50 X CODEC JR 0302 88-118-000-080 0E C-JUMPER,S...
  • Page 4 DESCRIPTION SUFFIX MODEL NAME O DIGITAL IN 0408 87-010-263-080 0E CAP,E 100-10 M 11L SME EZSC AV-HD50 O DIGITAL IN 0408 87-010-263-080 0E CAP,E 100-10 M 11L SME AV-HD50 O DIGITAL IN 0409 87-010-196-080 0E C-CAP,S 0.1-25 Z F C2012...
  • Page 5 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X DIGITAL IN 0422 88-118-221-080 0E C-RES,S 220-1/10W J EZSC AV-HD50 X DIGITAL IN 0422 88-118-221-080 0E C-RES,S 220-1/10W J AV-HD50 X DIGITAL IN 0423 88-118-221-080 0E C-RES,S 220-1/10W J EZSC AV-HD50...
  • Page 6 UNIT NAME REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME S DSP 0501 87-020-465-080 0E DIODE,1SS133 EZSC AV-HD50 S DSP 0501 87-020-465-080 0E DIODE,1SS133 AV-HD50 S DSP 0502 87-020-465-080 0E DIODE,1SS133 EZSC AV-HD50 S DSP 0502 87-020-465-080 0E DIODE,1SS133...
  • Page 7 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X DSP 0521 88-118-102-080 0E C-RES,S 1K-1/10W J EZSC AV-HD50 X DSP 0521 88-118-102-080 0E C-RES,S 1K-1/10W J AV-HD50 X DSP 0522 88-118-102-080 0E C-RES,S 1K-1/10W J EZSC AV-HD50 X DSP...
  • Page 8 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O FUNCTION 0107 87-010-322-080 0E C-CAP,S 100P-50 J CH GRM AV-HD50 O FUNCTION 0108 87-010-322-080 0E C-CAP,S 100P-50 J CH GRM EZSC AV-HD50 O FUNCTION 0108 87-010-322-080 0E C-CAP,S 100P-50 J CH GRM...
  • Page 9 UNIT NAME REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O FUNCTION 0171 87-A12-091-080 0E CAP,E 10-50 SMG AV-HD50 X FUNCTION CLP0001 87-033-220-010 0E PIN,DIA1 COATING EZSC AV-HD50 X FUNCTION CLP0001 87-033-220-010 0E PIN,DIA1 COATING AV-HD50 O FUNCTION...
  • Page 10 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X FUNCTION 0101 88-118-332-080 0E C-RES,S 3.3K-1/10W J AV-HD50 X FUNCTION 0102 88-118-332-080 0E C-RES,S 3.3K-1/10W J EZSC AV-HD50 X FUNCTION 0102 88-118-332-080 0E C-RES,S 3.3K-1/10W J AV-HD50 X FUNCTION...
  • Page 11 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X HP AMP 0403 88-118-104-080 0E C-RES,S 100K-1/10W J AV-HD50 X HP AMP 0404 88-118-104-080 0E C-RES,S 100K-1/10W J EZSC AV-HD50 X HP AMP 0404 88-118-104-080 0E C-RES,S 100K-1/10W J AV-HD50 X HP AMP 0405 88-118-472-080 0E C-RES,S 4.7K-1/10W J...
  • Page 12 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O LPF/BUFFER 0622 87-A12-091-080 0E CAP,E 10-50 SMG AV-HD50 O LPF/BUFFER 0623 87-010-178-080 0E C-CAP,S 1000P-50 K B C2012 EZSC AV-HD50 O LPF/BUFFER 0623 87-010-178-080 0E C-CAP,S 1000P-50 K B C2012 AV-HD50...
  • Page 13 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O LPF/BUFFER 0723 87-010-154-080 0E C-CAP,S 10P-50 D CH GRM AV-HD50 O LPF/BUFFER 0724 87-010-154-080 0E C-CAP,S 10P-50 D CH GRM EZSC AV-HD50 O LPF/BUFFER 0724 87-010-154-080 0E C-CAP,S 10P-50 D CH GRM...
  • Page 14 UNIT NAME REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME S LPF/BUFFER IC 0701 87-A21-760-040 1A C-IC,NJM4580V AV-HD50 S LPF/BUFFER IC 0721 87-A21-760-040 1A C-IC,NJM4580V EZSC AV-HD50 S LPF/BUFFER IC 0721 87-A21-760-040 1A C-IC,NJM4580V AV-HD50 S LPF/BUFFER IC 0741 87-A21-760-040 1A C-IC,NJM4580V...
  • Page 15 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X LPF/BUFFER 0641 88-118-223-080 0E C-RES,S 22K-1/10W J AV-HD50 X LPF/BUFFER 0642 88-118-223-080 0E C-RES,S 22K-1/10W J EZSC AV-HD50 X LPF/BUFFER 0642 88-118-223-080 0E C-RES,S 22K-1/10W J AV-HD50 X LPF/BUFFER...
  • Page 16 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X LPF/BUFFER 0728 88-118-104-080 0E C-RES,S 100K-1/10W J AV-HD50 X LPF/BUFFER 0729 88-118-472-080 0E C-RES,S 4.7K-1/10W J EZSC AV-HD50 X LPF/BUFFER 0729 88-118-472-080 0E C-RES,S 4.7K-1/10W J AV-HD50 X LPF/BUFFER...
  • Page 17 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X LPF/BUFFER 0782 88-118-224-080 0E C-RES,S 220K-1/10W J AV-HD50 X LPF/BUFFER 0783 88-118-224-080 0E C-RES,S 220K-1/10W J EZSC AV-HD50 X LPF/BUFFER 0783 88-118-224-080 0E C-RES,S 220K-1/10W J AV-HD50 X LPF/BUFFER...
  • Page 18 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O MICON 0119 87-010-322-080 0E C-CAP,S 100P-50 J CH GRM AV-HD50 O MICON 0120 87-010-322-080 0E C-CAP,S 100P-50 J CH GRM EZSC AV-HD50 O MICON 0120 87-010-322-080 0E C-CAP,S 100P-50 J CH GRM...
  • Page 19 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O MICON 0207 87-010-178-080 0E C-CAP,S 1000P-50 K B C2012 AV-HD50 O MICON 0301 87-010-196-080 0E C-CAP,S 0.1-25 Z F C2012 EZSC AV-HD50 O MICON 0301 87-010-196-080 0E C-CAP,S 0.1-25 Z F C2012...
  • Page 20 UNIT NAME REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME S MICON 0403 87-A30-075-080 0E C-TR,2SA1235F AV-HD50 X MICON 0101 88-118-102-080 0E C-RES,S 1K-1/10W J EZSC AV-HD50 X MICON 0101 88-118-102-080 0E C-RES,S 1K-1/10W J AV-HD50 X MICON...
  • Page 21 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X MICON 0141 88-118-101-080 0E C-RES,S 100-1/10W J AV-HD50 X MICON 0142 88-118-101-080 0E C-RES,S 100-1/10W J EZSC AV-HD50 X MICON 0142 88-118-101-080 0E C-RES,S 100-1/10W J AV-HD50 X MICON...
  • Page 22 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X MICON 0208 88-118-472-080 0E C-RES,S 4.7K-1/10W J AV-HD50 X MICON 0209 88-118-224-080 0E C-RES,S 220K-1/10W J EZSC AV-HD50 X MICON 0209 88-118-224-080 0E C-RES,S 220K-1/10W J AV-HD50 X MICON...
  • Page 23 K NO. = Only use japanese. UNIT NAME REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O OTHERS 8A-AR6-203-010 — HLDR,PWB AV-HD50 O OTHERS 8A-AR6-212-010 — HLDR,PWB TU EZSC AV-HD50 O OTHERS 8A-AR6-212-010 — HLDR,PWB TU AV-HD50 O OTHERS 8A-AR6-214-010 — HLDR,FAN...
  • Page 24 DESCRIPTION SUFFIX MODEL NAME O POWER AMP 0234 87-010-154-080 0E C-CAP,S 10P-50 D CH GRM EZSC AV-HD50 O POWER AMP 0234 87-010-154-080 0E C-CAP,S 10P-50 D CH GRM AV-HD50 O POWER AMP 0235 87-010-322-080 0E C-CAP,S 100P-50 J CH GRM...
  • Page 25 K NO. DESCRIPTION SUFFIX MODEL NAME O POWER AMP 0340 87-016-369-080 0E C-CAP,S 0.033-25 K B GRM EZSC AV-HD50 O POWER AMP 0340 87-016-369-080 0E C-CAP,S 0.033-25 K B GRM AV-HD50 O POWER AMP 0401 87-A12-088-080 0E CAP,E 2.2-50 SMG EZSC...
  • Page 26 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME S POWER AMP 0204 87-A40-956-080 0E DIODE,EK04 EZSC AV-HD50 S POWER AMP 0204 87-A40-956-080 0E DIODE,EK04 AV-HD50 S POWER AMP 0205 87-A40-269-080 0E C-DIODE,MC2836 EZSC AV-HD50 S POWER AMP 0205 87-A40-269-080 0E C-DIODE,MC2836...
  • Page 27 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X POWER AMP 0204 88-118-223-080 0E C-RES,S 22K-1/10W J EZSC AV-HD50 X POWER AMP 0204 88-118-223-080 0E C-RES,S 22K-1/10W J AV-HD50 X POWER AMP 0205 88-128-220-080 0E C-RES, 22-1/8W J EZSC AV-HD50...

  • Page 28: Power Supply

    K NO. DESCRIPTION SUFFIX MODEL NAME ! O POWER AMP RY 0301 87-045-389-010 1C RELAY,12V OSA-SS-212DM5 EZSC AV-HD50 ! O POWER AMP RY 0301 87-045-389-010 1C RELAY,12V OSA-SS-212DM5 AV-HD50 ! O POWER AMP RY 0401 87-045-389-010 1C RELAY,12V OSA-SS-212DM5 EZSC...
  • Page 29 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O POWER SUPPLY 0065 87-A12-067-080 0E CAP,E 330-16 SMG EZSC AV-HD50 O POWER SUPPLY 0065 87-A12-067-080 0E CAP,E 330-16 SMG AV-HD50 X POWER SUPPLY 0066 88-710-009-810 1B CAP,M 1-50 J TFL EZSC AV-HD50...
  • Page 30 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME S POWER SUPPLY 0087 87-A40-553-080 0E DIODE,1N4003 LES EZSC AV-HD50 S POWER SUPPLY 0087 87-A40-553-080 0E DIODE,1N4003 LES AV-HD50 X POWER SUPPLY EP 0001 81-689-212-010 0E PLATE,EARTH EZSC AV-HD50 X POWER SUPPLY...
  • Page 31 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME S POWER SUPPLY 0085 87-A30-071-080 0E C-TR,RT1N 144C EZSC AV-HD50 S POWER SUPPLY 0085 87-A30-071-080 0E C-TR,RT1N 144C AV-HD50 S POWER SUPPLY 0086 87-A30-071-080 0E C-TR,RT1N 144C EZSC AV-HD50 S POWER SUPPLY...
  • Page 32 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X POWER SUPPLY 0085 88-128-101-080 0E C-RES, 100-1/8W J EZSC AV-HD50 X POWER SUPPLY 0085 88-128-101-080 0E C-RES, 100-1/8W J AV-HD50 X POWER SUPPLY 0086 88-121-102-080 0E RES,1K-1/8W J EZSC AV-HD50 X POWER SUPPLY...
  • Page 33 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME O PROTECTOR 0109 87-010-805-080 0E C-CAP,S 1-16 Z F EZSC AV-HD50 O PROTECTOR 0109 87-010-805-080 0E C-CAP,S 1-16 Z F AV-HD50 O PROTECTOR 0110 87-010-805-080 0E C-CAP,S 1-16 Z F EZSC AV-HD50...
  • Page 34 REF NO. PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X PROTECTOR 0109 88-118-333-080 0E C-RES,S 33K-1/10W J EZSC AV-HD50 X PROTECTOR 0109 88-118-333-080 0E C-RES,S 33K-1/10W J AV-HD50 X PROTECTOR 0110 88-118-333-080 0E C-RES,S 33K-1/10W J EZSC AV-HD50 X PROTECTOR...
  • Page 35 DESCRIPTION SUFFIX MODEL NAME O SUB WOOFER 0823 87-010-196-080 0E C-CAP,S 0.1-25 Z F C2012 EZSC AV-HD50 O SUB WOOFER 0823 87-010-196-080 0E C-CAP,S 0.1-25 Z F C2012 AV-HD50 O SUB WOOFER 0824 87-010-196-080 0E C-CAP,S 0.1-25 Z F C2012...
  • Page 36 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME S TUNER(RDS) IC 0951 87-A20-440-040 1H C-IC,BU1920FS EZSC AV-HD50 S TUNER(RDS) IC 0951 87-A20-440-040 1H C-IC,BU1920FS AV-HD50 X TUNER(RDS) JR 0991 88-118-000-080 0E C-JUMPER,S AV-HD50 X TUNER(RDS) JR 0992 88-118-000-080 0E C-JUMPER,S...
  • Page 37 PARTS CODE K NO. DESCRIPTION SUFFIX MODEL NAME X VIDEO SEL 0904 88-118-750-080 0E C-RES,S 75-1/10W J EZSC AV-HD50 X VIDEO SEL 0904 88-118-750-080 0E C-RES,S 75-1/10W J AV-HD50 X VIDEO SEL 0905 88-118-750-080 0E C-RES,S 75-1/10W J EZSC AV-HD50...

  • Page 38: Schematic Diagram - 1 (Main)

    SCHEMATIC DIAGRAM – 1 (MAIN) <1/2>...
  • Page 39 SCHEMATIC DIAGRAM – 1 (MAIN) <2/2>...

  • Page 40: Schematic Diagram - 2 (Front)

    SCHEMATIC DIAGRAM – 2 (FRONT) <1/2>...
  • Page 41 SCHEMATIC DIAGRAM – 2 (FRONT) <2/2>...
  • Page 42 SCHEMATIC DIAGRAM – 3 (AC) <1/2>...
  • Page 43 SCHEMATIC DIAGRAM – 3 (AC) <2/2>...
  • Page 44 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9301978 Printed in Singapore...