SERVICE MANUAL MODEL TYPE: YS1037 NX750P WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA U.S.A. Yorkville Sound Yorkville Sound Inc. 550 Granite Court Pickering, Ontario L1W-3Y8 CANADA 4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (905) 837-8481 Fax: (905) 837-8746 Voice: (716) 297-2920 Fax: (716) 297-3689 Quality and Innovation Since 1963 Printed in Canada Manual-Service-nx750p-R2-00-2v3.
IMPORTANT SAFETY INSTRUCTIONS This lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
NX750P Parts List 11/9/2012 YS # 5906 5907 5908 6825 6892 6438 6827 6934 6421 6733 6426 6432 6436 6440 6450 6461 6463 6465 6824 6728 6871 6872 5101 5102 5103 5107 5108 5114 5105 5119 6873 6911 6912 6931 6932 6967 6804 6840 6884 6640 6887 6603 6605 6964 5190 6517 6858 5401 5817 5406 5203 5199 5410 5412 5201 5816 5422 5208 5275 5209 6451 5271 5204 5207 5210 5215 5222 5224 5226 5212 5228 5242 5314 5229 5231 5233 5234 5266 5254 5255 Description RED 3MM LED 1V9 20MA.4SPCER T&R YEL 3MM LED 1V9 20MA.
SERVICE BULLETIN IMPORTANT SERVICE NOTICE! NX55P and NX750P M1309V06 and newer version circuit boards are NOT backwards compatible with ANY previous versions of M1309 boards! Note: Due to ongoing changes in the layout of the power supply and the power amplifier, the circuit board M1309V06 (Version 06) and newer versions are not compatible with board M1309V05 (version 05) or previous versions, the pin-outs on the connectors have been re-arranged.
750 P 750 WATT POWERED LOUDSPEAKER ENCLOSURE LINK +24 PHANTOM MIC LEVEL MIC 1 MIXER ON / OFF 3 2 LINE / CD LEVEL 1 2 3 3 2 1 Yorkville LINE / CD NX750P LEVEL NOTES: ALL LINK CONNECTIONS FUNCTION AS INPUTS OR OUTPUTS. EXTERNAL MIXERS CONNECT TO LINK INPUTS BLOCK-NX750p-1v0.
WOOFER LIMITER CONTROL 1/4W 6858 NSL-32SR2 1 1/8W 4 VV+ 8 4 V- 22AWG SOLID U20:C V+ R139 1/4W 33K W5:E W5:D 6 6 22U C87 NE5532N R123 1/4W 470R D34 4148 MINI 6858 1 NSL-32SR2 U15:A 2 LIMITER D39 BAT85 0A2 0A2 D40 BAT85 MINI 1K0 R130 R140 1/4W 10K RAD 50V 2U2 C88 +15V LVGND1 63V LIMIT L3 YEL 5907 Alternate R153 1K5 +15V RAD LIMITER SENSE NE5532N R154 47K * RAD 10U C23 16V * R152 4148 56K D62 R156 15K MINI .
+56V D R1 1/4W 22K 4U7 C9 63V MJE340 Q11 6873_S TO126 RAD 1/4W 1/4W 4148 R25 100K FUSIBLE . 1N5242B D11 12V0 0W5 MINI R27 100R S1 4 1.0W 1.0W HORN-POS IRFP9140N Q1:A 6932 TO247 . FLMP HORNGND MINI +5V_MOD 6 3 U2:C V- 7 OUT R36 1/8W 100R0 5 WOOFGND MC33078P MC33078P - WOOFGND R35 1/8W 100R0 1/4W MPSA92 U3:C Q13 5114 WOOFGND TO92 +5V_MOD +5V_MOD 4 D R37 1/4W 150R G +15V_MOD S .
V05 V05 V06 . . . . . V07 V V V V ELIMINATED THE NEED TO TACK ON PARTS. PC8185: CHANGE #3453 TO #4100 GG PC8244 - CHANGED PADS ON 3696 RELAY - ML PC8326 - MOVED Q16, C97 & C98. ADDED TRACE BETWEEN ADJACENT PADS OF C95 & C96. - ML PC8325 - UPDATED HOLE SIZES FOR CONN 4151 - ML FIXED PSU NET NAMES AS PER PAUL B. - ML PC8448: #3392, #4100 new pattern, move DS to BOT GG N N N N 6492 {AWG} Green IGND 2487 R98 6 5 6 W34:B 4 T7.
C106 W34 W32 300 3 W31 1 4146 4 1N5402 4007 1N5402 SOCKET UPSIDE DOWN W33 T7.0 R61 1N5402 D58 D49 D50 D52 4007 1N5402 C105 NORMAL 1 1 M1231 V07 2/3 SOCKET D60 470P C67 1N5402 RT V D51 1N5402 D55 1N5402 D54 D57 C65 100N 1M R103 R94 10K 3 T7.
SEE LAYOUT DIAGRAM M1231 V07 PRODUCTION NOTES 1. NOTE THAT THERE ARE SEVERAL LINES ON THE DSBOTMASK LAYER. THESE MAY BE USED FOR MARCONI TEST POINTS SO HAVE THIS LAYER ON IF DOING ANY MODIFICATIONS. 2.MAKE SURE TO RTV ALL LARGE CAPACITORS TO SOMETHING CLOSE **************IMPORTANT****************** 3. ADD AMPLE RTV UNDER ENTIRE BASE OF OUTPUT COIL L1 4. LEADS FOR 5 WATT RESISTORS MUST BE BENT ON THE MACHINE LEAD LOOP MUST NOT BE ABOVE TOP OF RESISTOR 5 WATT 5.
SEE LAYOUT DIAGRAM PIN CONFIGURATION M1231.PCB_DATABASE_HISTORY MODEL(S):# 1 2 3 4 5 6 7 8 9 10 11 12 13 NX750P DATE VER# DESCRIPTION OF CHANGE AUGUST 2004V1.00 MADE FROM M1158-V.200 NOV-26-2004 . PC#6772: REV. WIRE COLORS ON WOOFER & HORN (GT) MAY30th 2005V2.00 CHANGED POWER SUPPLY CAPACITORS TO NEW . . FIVE LEG #5862 3300U & FORCE UPDATED BOARD (M.R) . . C102 FROM 22N #6435 TO 100N #5242 SEP-21-2005 . PC#6979:GT:R6&R23 #4815 12R->#2038 11R FUSIBLE OCT-31-2005 .
C106 W34 W32 3 4 4151 1 MPSA92 R4 C2 W12 D1 R33 R58 1K5 5.0W 6R2 R78 R128 R82 R53 RT V BLK 3U3 140V 5949 RT V 2R2 3U3 340V 5951 RT V R17 R46 R39 RT V C31 RT V NEG-WOOFER SEE NOTE 5 BlankSize - 11000x10000 Pcb Mech 100N 37K4 0.6W 18k7 0.6W BAT85 1R 1/2W D15 150R 1U 63V 63V 1U BAT85 18V0 D20 D19 18k7 4N7 100N D22 10V0 75R R41 C35 1M 1M R57 D16 18V0 D17 UF4004 M1231 U30 C53 6967 IRFP23N50L R50 100N R37 C24 C25 4U7 63V RT V 6967 IRFP23N50L 5.
A B C D E F G H I J K L M N O P Q 1 1 2 2 3 3 4 4 5 5 6 6 M1369 PCB_DATABASE_HISTORY MODEL(S):- 7 3392 W AMPIN + W3 4 W5:B R2 180K RAD 3392 9 R1 180K G TO92 5190 Q2:A MBS4992 RAD 1/4W 10U C1 16V 1/4W 8 MT1 MT2 1/4W 2 Q1 STM-BTB-600BRG 6517 RAD 7 8 LEAD/PIN REFERENCE W AMPIN W4 9 4 W5:A STM-BTB-600BRG H AMPIN + W1 MBS4992 4 3392 DATE 28-NOV-2007 02-JUN-2008 19-JAN-2009 06-MAY-2011 28-JUN-2012 D D D D D D D D R3 10R 1 3392 # 1 2 3 4 5 6 7 8 9 10 11
M1369 V05 W1 CROWBAR H AMPIN - W2 H+ HW+ W- 6517 STM-BTB-600BRG TO220 W AMPIN+ 3538 BlankSize - 13500x9000 H AMPIN + W5 Q1 CLINCH ORIGIN 180K R1 R2 180K 16V 10U MBS4992 W4 C1 SHORT AXIS W AMPIN - 10R R3 W3 Q2 5190 INSERT VCDORIGIN LONG AXIS
SEE LAYOUT DIAGRAM M1369 PCB_DATABASE_HISTORY MODEL(S):# 1 2 3 4 5 6 7 8 9 10 11 12 13 DATE 28-NOV-2007 02-JUN-2008 19-JAN-2009 06-MAY-2011 28-JUN-2012 D D D D D D D D CROW BAR VER# DESCRIPTION OF CHANGE 1.00 FIRST DESIGN 2.00 UPDATE TABS CHANGE THE BECLOC HOLE TO NON PLATED 3.00 V04 Reduce size of the panel. - GG V05 PC8448 - Updated tab pattern - ML N V V N V N N V V N V N N V V N LEAD/PIN REFERENCE STM-BTB-600BRG MBS4992 MT1 G MT2 TO-220 MT1 G MT2 TO-92 M1369 V05 PRODUCTION NOTES 1.
BROWN BLUE CH1337E NX750P EXPORT -CE- 230V MAR 23 /05
0 60Hz 100Hz LF ROLLOFF LIMIT 8 dB PWR 12 dB 12 TREBLE 12 dB 12 BASS 6 NX750P LEVEL OFF ON MIXER 0 LINE 10 / CD 0 MIC 10 MIXER CLIP YS#9916 Gray Knob (qty: 1) YS#9917 Green Knob (qty: 2) LINK YS#89915 Red Knob (qty: 2) OUTPUT OUTPUT BAL INPUT LINE / CD INPUT MIC WIRING-Z452D-nx750p-control-KNOB-COLORS-1v1.