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VTC Pro Audio NS21P Service Manual

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Download this manual See also: Owner's Manual
CANADA
Yorkville Sound
550 Granite Court
Pickering, Ontario
L1W-3Y8 CANADA
Voice: (905) 837-8481
Fax: (905) 837-8746
www.vtcproaudio.com
U.S.A.
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: (716) 297-2920
Fax: (716) 297-3689
NS21P
Service Manual
MODEL TYPE: YS1074
Manual-Service-VTC-NS21P-00-1v0.pdf

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Summary of Contents for VTC Pro Audio NS21P

  • Page 1 NS21P 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 Service Manual MODEL TYPE: YS1074 www.vtcproaudio.com...

  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS This lightning flash with arrowhead symbol, within The exclamation point within an equilatereal triangle is an equilateral triangle, is intended to alert the user to intended to alert the user to the presence of important the presence of uninsulated “dangerous voltage” operating and maintenance (servicing) instructions in within the product’s enclosure that may be of sufficient the literature accompanying the appliance.
  • Page 3 VTC NS21P Parts List 12/2/2010 YS # Description Qty. YS # Description Qty. YS # Description Qty. YS # Description Qty. 6400 3MM LED 1V9 6MA HIGHEFF 5880 100U 35V 20%CAP T&R 8X11MM .2EL 2051 1/4W 1K5 FUSIBLE T&R RES 8681 4-40 X 0.94"...
  • Page 4 NS21P LINE / SPKR LOUD DEEP LEVEL SHAPE HF ROLLOFF MONO BLEND INPUT...
  • Page 5 BLACK W5:D TO SPEAKER - W5:C W6:D 4 BLACK 4080 2.0UH W6:C 4 250V 6500 275V 2.7mH W6:B 4 250V 2.0UH 4080 W6:A 4 100V 400V W5:B TO SPEAKER + W5:A M1373PCB_DATABASE_HISTORY MODEL(S):- CROW BAR DATE VER# DESCRIPTION OF CHANGE 07-JAN-2009 1.00 FIRST DESIGN 14DEC09...
  • Page 6 M1373 V3.00 EMC FILTER 275V 5262 4080 2.0UH CLINCH 2ozCopper INSERT ORIGIN LONG AXIS ORIGIN BlankSize - 15500x7000 SEE LAYOUT DOCUMENTATION...
  • Page 7 SEE LAYOUT DIAGRAM M1373 PRODUCTION NOTES M1373PCB_DATABASE_HISTORY MODEL(S):- CROW BAR DATE VER# DESCRIPTION OF CHANGE 07-JAN-2009 1.00 FIRST DESIGN 14DEC09 2.00 PC#7925 CHANGE L4, L5 FROM YS#3769 TO YS#4080 09-FEB-2010 3.00 PC7993: Reduce panel to 3x5 boards...
  • Page 8 GAIN Function 1/4W TL072 MINI TL072 470R P1:A 10K 2339 SIGNAL Function R116 U6:A SPACER GROUND 1/4W 1/4W U6:B GNDA 470N 470N 4K12 SIGNAL TO P1:B 10K 4148 HERE MINI 2339 AMP INPUT R159 U5:B 100V R117 1.0W R180 9K76 Rolloff TL072 NET00023...
  • Page 9 R157 +15V LIMIT FROM W29 RIBBON CABLE PIN #8 1/4W FBACK+ FBACK+ R147 100P 100V 10K0 1/4W R108 NET00256 MINI R158 SIGNAL 1/4W 10K0 MINI R151 1/4W MC33078P MINI 1/4W 1/2W 4148 100K 10K0 2N5401 SINGNAL1=GNDA 10K0 150K0 MINI R109 1/4W MINI MINI...
  • Page 10 IEC_RECT NA: 12A CE: 12A DPDT Switch BRKR1 R140 250V POWER SUPPLY W5:A CHASSISSCREW 74HC14N 74HC14N Circuit Breaker ACDETECT U26:B U26:A R141 3722 CHASSISSCREW 1/4W 1/4W 74HC14N 74HC14N 74HC14N 74HC14N 680N K1:A 4148 R177 U26:F U26:E U26:D U26:C MINI 6603 6603 C106 250V...

  • Page 11: Power Supply

    POWER SUPPLY POWER AMP M1375 3/3 M1375 1/3 +15V_LS Thermal Breaker ACDETECT 96 DEG C +130V -130V PSGND +15V -15V Product Product LS2100P LS2100P LS2100P LS2100P PCB# PCB# M1375 M1375 Sheet Sheet Date: Date: Thu Jun 24, 2010 Thu Jun 24, 2010 Rev: Rev: Filename:...
  • Page 12 2328 C126 C131 C130 C11 C12 100N NS21P 100N 100N 220R 4148 4148 R123 100N 18uH 470N 470N 14K0 TL072 4148 18uH 220P TACK ON 8K25 220K TL072 4148 C120 TL072 RESISTORS TL072 R127 4148 R126 470K 18uH TL072 YS#4792...
  • Page 13 SEE LAYOUT DIAGRAM NS21P M1375 PRODUCTION NOTES 1. LEDS LD1, LD2, AND LD3 ARE TO BE HAND INSERTED. 2. INSTALL YS#8937 TIE AROUND C104. SEE PIC. 3. RTV ALL ELECTROLYTIC CAPACITORS. 4. PCBSA: DO NOT STUFF J3, J5. J7, P2, P3, OR S1.