YORKVILLE ef500p Service Manual
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YORKVILLE ef500p Service Manual

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See also: Service Manual , Owner's Manual
SERVICE MANUAL
ef500p
WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA
U.S.A.
Yorkville Sound
Yorkville Sound Inc.
550 Granite Court
4625 Witmer Industrial Estate
Pickering, Ontario
Niagara Falls, New York
L1W-3Y8 CANADA
14305 USA
Voice: (905) 837-8481
Voice: (716) 297-2920
Fax: (905) 837-8746
Fax: (716) 297-3689
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-ef500p-1v0.pdf

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Summary of Contents for YORKVILLE ef500p

  • Page 1 SERVICE MANUAL ef500p WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA U.S.A. Yorkville Sound Yorkville Sound Inc. 550 Granite Court 4625 Witmer Industrial Estate Pickering, Ontario Niagara Falls, New York L1W-3Y8 CANADA 14305 USA Voice: (905) 837-8481 Voice: (716) 297-2920 Fax: (905) 837-8746...

  • Page 2: Important Safety Instructions

    4944 1/4W 220R 5% .2"U T&R RES CH1255 EF500P 120VAC POWER TRANSFMR T'RD No naked flame sources, such as lighted candles, should be éclaboussures et qu'aucun objet rempli de liquide tel que des vases 5226 _68N 100V 5%CAP T&R RAD .2"FLM...

  • Page 3: Main Input

    IGND LVGND3 MINI MINI U29:B M1159.PCB_DATABASE_HISTORY 100N 100V 100V NE5532N U29:C 100N 100N 100N 100N 100N 100N 100N MODEL(S):- N155 EF500P R173 R174 R175 C119 C120 C121 C122 C123 C124 C125 NE5532N 1/8W 1/4W -15V 1/4W 100V 100V 100V 100V...
  • Page 4 +44V M1159.PCB_DATABASE_HISTORY MODEL(S):- EF500P IRFP140N DATE VER# DESCRIPTION OF CHANGE 6931 AUG 22 2001 2.00 1st RUN CHANGES FOR VER.2.00 HORN AMP N277 1/4W 1/4W TO247 SEE ATTACHED NOTES ON P.C.B. DATA BASE. 2K21 IRFP140N PHANTOM SUPPLY MINI FLMP SEPT 18 2001 2.00...
  • Page 6 THESE MAY BE USED FOR MARCONI TEST POINTS SO HAVE THIS LAYER ON IF DOING ANY MODIFICATIONS. MJE340 2K21 12V0 2.-NOTE THAT HORN WIRES FOR NX520P AND EF500P ARE OPPOSITE IN COLOR Function 1.0W W.R.T. PCB INSERTION. CHECK PROPER LAYOUT FOR CORRECT COLORS 0R47...
  • Page 7 2) R50 , 75R 3) R65 , 1K and 4) D20 , 18 volt zener. D) Yorkville Part #’s (Q15 = 6914) (Q17 = 5107) (U10 = 6603) (U8 = 6887) (R60 = 2034) When all the bits have been replaced and the other parts measured, you are ready to fire it up.
  • Page 8 TO220 TO220 TO220 TO220 IRFP9140N IRFP9140N BDX54C BDX54C BDX53C BDX53C IRFP140N IRFP140N MC7915CT MC7915CT MC7815CT MC7815CT IRFP350 IRFP350 IRFP350 IRFP350 100N TO92 TO92 TO92 TO92 TO92 TO92 Replace parts outlined in red Check parts outlined in green. TO92 TO92 5.0W 100N 5.0W 5.0W...

  • Page 9: Silent On/Off

    FLMP WOOFGND +5V_MOD WOOFER AMP 100N 100V 140V IRFP350 1/4W 6914 150R TO247 MINI IRFP350 BAT85 1/4W +4V7_LS 6964 U3:B 1N5248B 74HC86N U5:D 100N 18V0 250V 140V 100V 100N 6605 100V 74HC86N U5:C 233UH UF4004 74HC86N 3786 U5:B 6605 SMALL +4V7_LS U8:A +15V_LS...

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