QSC EX 4000 4000B Schematics

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QSC EX 4000 4000B Schematics

Extracted text from QSC EX 4000 4000B Schematics (Ocr-read)


Page 1

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION WHICH IS THE PROPERTY OF QSC AUDIO PRODUCTS , THAT MAY NOT BE DISCLOSED, REPRODUCED OR USED WITHOUT EXPRESS WRITTEN CONSENT FROM QSC AUDIO PRODUCTS. REVISIONS ZONE REV DESCRIPTIONDATEAPPROVED SIZE FSCM NO. DWG NO.REV SHEET SCALE COSTA MESA, CALIFORNIA FINISH MATERIALCONTRACT NO. APPROVALS DRAWN CHECKED ISSUED DO NOT SCALE DRAWING PARTS LIST DATE CAD FILE NO. APPLICATION USED ON NEXT ASSY NOTES: UNLESS OTHERWISE SPECIFIED TOLERANCES ARE: DECIMALSANGLES DECIMALSDIMENSIONS PER ANSI Y14.5-1982 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. - + O - + - + .XX .XXX 1/2 .02 .010 DEBURR EDGES .XXX R MAX XX C AUDIO PRODUCTS, INC. 1 2 3 4 1 2 3 4 D C AB D C AB CAD SEED FILE NO. TAB BLOCK DASH NO. DESCRIPTION -00 CHAN 1 & 2 -01 -02CHAN 1 CHAN 2 USED ON MPA750, EX 2500 MPA750, EX 2500 MPA1100, MPX1200, EX 4000 SCHEMATIC, BRIDGE RECTIFIER PCB SH-000040-XX A 1 OF 1 Warren R. 5-13-94 NONE SH0040A1.FCD A PROD RELEASE PER ECO 2297 WR

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CH 1 +INJ 31 CH 1 -IN GND CH 2 -IN CH 2 +IN J 32 GND GND CH 1 SPKR SIG GND GND -24 V +24 V -15 V REG +15 V REG GND GND CH 1 MUTE CH 2 MUTE CH 1 PWR-ON CH 2 PWR-ON CH 1 CLIP-LIM CH 2 CLIP-LIM 1. ALL RESISTORS 1/4W, 5%. 2. ALL CAPACITORS 100V 3. J 32, 26-PIN CONNECTOR, TO J 1 ON FRONT DISPLAY BOARD PC-004001-00. 4. PARTS FOR CH 1 NUMBERED 301-399. 5. PARTS FOR CH 2 NUMBERED 401-499. 6. PARTS IN COMMON TO BOTH CHANNELS NUMBERED 31-49. 8. PARTS WITHIN DOTTED OUTLINE FOR USER MODIFICATION. SEE MANUAL. SCHEMATIC, EX-SERIES STANDARD INPUT BOARD. 7. BOARD SHIPPED WITH W 301-304, W 401-404 MOUNTED AS SHOWN. 470 p 470 p W 303 W 304 SHIPPED XLR PIN 2 HI MOVE W 303, 304 TO ALT POSITION FOR PIN 3 HI 470 p 470 p SHIPPED XLR PIN 2 HI MOVE W 303, 304 TO ALT POSITION FOR PIN 3 HI C 402 C 401 W 403 W 404 SW 31 INPUTS PARALLELMONO-BRIDGE W 401 PIN 1 V+A PIN 2 SP-A PIN 3 GND PIN 8 GND PIN 4 +1N A PIN 5 +OUT A PIN 6 -IN A PIN 7 -OUT A PIN 9 CLIP KEY PIN 10 V-A PIN 11 V- B PIN 12 CLIP B PIN 13 GND PIN 14 -0UT B PIN 15 -IN B PIN 16 +OUT B PIN 17 +IN B PIN 18 GND PIN 19 SP-B PIN 20 V+B PIN 21 SPARE PIN 22 SPARE W 301 T 301 3 (4) 1 (1) 4 (5) 6 (8) T 401 1 (1) 3 (4) 6 (8) 4 (5) W 402 A NC R 301 C 303 C 403 R 401 NC A CH 1 THERMAL CH 2 THERMAL CH 1 AC RELAY CH 2 AC RELAY CH 2 SPKR SIG PADS FOR LEVEL 1-A OR 2-A ACCESSORY PCB W 305 W 306 W 406 W 405 A 3-POS XLR 2 3 1 A J 301 A XLR 2 3 1 A J 401 J 33 A (6, 7) A (6, 7) W 302 R 31 R 32 24K 220p C 31 -INPUT CH 1 +INPUT CH 1 -INPUT CH 2 +INPUT CH 2 4. NO CHANGE IN PINOUT OF J32, PINS 1-2620.0 K CENTER STEREO NOTES, ALL REV LEVELS NOTES, REV LEVELS A-B 1. THE FIRST YEAR OF PRODUCTION EX AMPLIFIERS SHIPPED WITH PC-004002-00 REV A OR BC 302 C 3012. FOR PC-004005-00 REV A, ADDED PADS 1-20 FOR LEVEL 1-A, 2-A INPUT ACCESSORY PCB 5. SW-31 WAS REVISED ON PC-004005-00 REV A, BUT WILL NOT AFFECT FUNCTION OF UPPER SLOT PCB. 3. ADDED J33, 5-PIN INPUT EXTENDER HEADER AND W305,306,405 & 406. 11 16 4 6 1 2 22 12 10 9 21 3 5 15 18 17 20 19 24 23 26 25 THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION WHICH IS THE PROPERTY OF QSC AUDIO PRODUCTS , THAT MAY NOT BE DISCLOSED, REPRODUCED OR USED WITHOUT EXPRESS WRITTEN CONSENT FROM QSC AUDIO PRODUCTS. REVISIONS ZONE REV DESCRIPTIONDATEAPPROVED SIZE FSCM NO. DWG NO.REV SHEET SCALE COSTA MESA, CALIFORNIA FINISH MATERIALCONTRACT NO. APPROVALS DRAWN CHECKED ISSUED DO NOT SCALE DRAWING PARTS LIST DATE CAD FILE NO. APPLICATION USED ON NEXT ASSY NOTES: UNLESS OTHERWISE SPECIFIED TOLERANCES ARE: DECIMALSANGLES DECIMALSDIMENSIONS PER ANSI Y14.5-1982 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. - + O - + - + .XX .XXXDEBURR EDGES .XXX R MAX C AUDIO PRODUCTS, INC. 1 2 3 4 1 2 3 4 D C AB D C AB CAD SEED FILE NO. A BPROD REL PER ECO 756 CHANGE VALUE R31, WAS 21 K C REVISED FOR MIN-SLOT, BR-SW SEE ECO 1097 D SEE ECO 1297 BY PHQ REVISE PER ECO 1916 1-24-92 SGM SGM 6-10-91 SCHEMATIC DIAGRAM EX SERIES STANDARD, INPUT BOARD SH-004002-00 D 1 OF 1 SH4002D1.FCD NONE 6-18-90 SH40002C1.FCD PC-004005-00 EX/MPA SERIES 13 14 7 8 L G. FOR PC-004005-00 REV B 7-15-93 PAT QUILTER