YORKVILLE NX520P Service Manual
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YORKVILLE NX520P Service Manual

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See also: Owner's Manual
SERVICE MANUAL
nx520p
TYPE:YS1002
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-nx520p-1v2.pdf

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  • Page 1 SERVICE MANUAL nx520p TYPE:YS1002 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 6 8 7 1 MC7 9 1 5 CT TO2 2 0 N 1 5 V0 REG 8 5 4 0 CAST BAR HANDLE " YORKVILLE" YS BLUE 4 9 8 3 1 / 4 W 1 0 K 5 %MINI T&R RES...
  • Page 3 LINK +24 PHANTOM MIC LEVEL MIXER ON / OFF LINE / CD LEVEL LINE / CD NX520P LEVEL NOTES: ALL LINK CONNECTIONS FUNCTION AS INPUTS OR OUTPUTS. EXTERNAL MIXERS CONNECT TO LINK INPUTS Yorkville...

  • Page 4: Main Input

    +15V MAIN INPUT 100V 100N 100V {Function} -15V -15V MINI NE5532N 1/8W 2K49 681R FLMP U13:A FLMP 1/4W 1/4W 1/4W U14:A 100V 681R 3453 +15V 1N4148 U12:A LVGND U13:C 1/8W MINI MINI MINI U14:C 100V 274R TO POWER AMP PCB FROM MIXER FLMP U15:B...

  • Page 5: Power Supply

    POWER SUPPLY 18AWG TO POWER AMP PCB BLACK SILENT 18AWG 3682 +150VRAIL SILENT YELLOW PURPLE +130V IEC_RECT #3645 MR752 +150V 1N4004 18AWG N288 SCH_DPDT ORANGE FUSE 1N4004 3682 LIVE +44V #3585 N278 BLACK 3682 PRIMARY 18AWG +22V +15V +54VRAIL 1N5402 N346 +54V BLACK...
  • Page 6 +44V M1159A.PCB_DATABASE_HISTORY MODEL(S):- NX520P IRFP140N DATE VER# DESCRIPTION OF CHANGE 6931 AUG 22 2001 2.00 1st RUN CHANGES FOR VER.2.00 HORN AMP 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 CHANGE R28 FROM 10K TO 4K7 AND R34 FROM 33K TO 47K 680P...
  • Page 7 M1159A.PCB_DATABASE_HISTORY ETCH GUIDE C137 C126 R191 R190 MODEL(S):- 100N M1159 /A NX520P 100N R206 C139 R197 10K0 C129 R168 C106 220R 220R 10K0 C102 MIXER_INPUT DATE VER# DESCRIPTION OF CHANGE EF500P/NX520P R207 R203 C108 R201 JAN/21/2002 4.10 CORRECTION R121 100K TO 27K RING-SW VER-5.00 TRANS BLK...
  • Page 8 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 9 TO220 TO220 TO220 TO220 IRFP9140N IRFP9140N BDX54C BDX54C BDX53C BDX53C IRFP140N IRFP140N MC7915CT MC7915CT MC7815CT MC7815CT IRFP350 IRFP350 IRFP350 IRFP350 100N C103 340V R220 C118 2.0W 140V 100N 680R 37K90 1/2W TO92 1N4148 37K90 BAT85 680P BC550C 270R 100K 2N5401 TO92 BC560C R219...

  • Page 10: 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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