QSC mx 1500a Schematics

Page 1

DIODES
E AI

8

THIS DOCUMENT CONTAINS PROPRIETARV
INFORMAIION WHICH IS THE PROPERTY
or use AUDIO PRODUCTS. THAT MAV NOT
BE DISCLOSED. REPRODUCED OR USED

REVISIONS 311.1qu mm

OWG N0.

REV

WITHOUT EXPRESS WRITTEN CONSENT FROM
OSC AUDIO PRODUCTS DESCRIPTION DATE APPROVED
REVISED PER ECO 272a (EFF. 9-1-95) 5-20-95 SA
REVISED PER ECO 3358 (EFF. 2725797) 272e797 Ts
REVISED PER ECO 347IA (EFF 9726797) ZEZUES7 T3
D REVISED PER ECO 4744 (EEEJPIraz) DD
SCHEMATIC,CHAPOWERAMPLIFIER,MX1500A 7777777777777777777777777777777777
U5O1 WP7600005700 I
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3.5K75WEI61 M221
7 7 7 7 7 GATE DRNER JSBI
KER US I 3 I45
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0523 R545 {I7 {I7 7 7I " . I-I m . :1 H
1N4934 I 3.5K75W7101 I:
'5 d5; 7 7 7 7 7 7 77 T 4x.a47-40av
E +15V DPAMP DSIO
T IN4744A715V 5 7
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C525 R522 R5a7
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WK A R540 332 Ix TDD W592 25C32955
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an RN . . J7 R5431 A 1713515
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. 5532 " 175% mm
v 220,. H 1N4s34 :
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R5 C525 1 LL11 mmm I: 052
IWK 220-25VT TN4744A-15V j RNEOI :3 2N2927A
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E IS LAID OUT ON RIGHT SIDE OF PCreeISIBrbu CIRCUIT SAME AS CHANNEL A ABOVE
PA IT NUMDERING SCHEDULE. REFERENCE DESIGNATION '_
0525. 525 ARE USED ON MPx 36B MAIN AMP PCB Assn OSC P/N WP-DODT 13-90, PART NUMEER'NG SCHEDULE FOR P555 USED IN "X45964 HIGHEST NO. USED
D APPEAR ON PC-W'5I9'50» PCB NUMBER DESCRIPTION CH A PARTS CH B PARTS PARTS IN COMMON DESCRPTON CH A CH B
. PAFIAENCLOSED WITHIN DOTIED OUTLINE -------- HAVE VOLTAGES GREATER THAN 42v. pc_aa15n_afl mspuw pea 1817ng 281-299 10-29 V I VENDOR
. PARTS IARI GE RECTIFIER BR 523. 505. 1.5A zeav. OSC P/N 057L522673X. FCEWISWEW AMP PCB 59'7599 59"599 5 '59 E DIODE D525 5525 UNLESS WEN 5mm,
ERS D517. 517. MARKED 7.5V. Low LEAKAGE OSC P/N QDreGBZSrZT Fciammsim AC PCB 99141;. (CH A C" 5 ON SAME PCB) CONNECTOR J503 J603 DIMENSIONS ARE IN INCHES AUDIO PRODUCTS, INC.
. a 5 3. O4 593, 504 ARE SWITCHING FUS. OSC P/N QDrOEQDMrQD, 'NDUCTOR L5 L501 95 PE 5 I 579 COSTA MESA. CALIFORNIA
w m, WWW ownESsflNCE @ O39 OHM: MAX SCHEDULE OF TEST POINTS LED LDSOT LDSOI
. ' ' ' TRANSISTOR 05I 3 DOT 3
5. 5 5 IS POSrTIvE TEMPERATURE COEFFICIENT RESISTOR. MTD TO HEAT CH A CH B RESISTOR R549 R649 SCH EMATIC D'AG RAM
ESISTANCE TOO OHM COLD, RISING AT 55 c. OSC P/N RE-OODOas-VP J5e2-I Jsoz-I NEGATIVE LIMITING VOLTAGE RES NETWORK RN50} RN68: DEW EDGE; XXX W W
CAPACITORS TOOV UNLESS OTHERWISE NOTED. J582-Z 02-2 WSW L'MT'NG VOLTAGE Ic U583 U683 IZ 86W» Em B
ERAI CE 28: FOR ELECTROLv-nC TYPES. Tex ON OTHER WPES. 3552-3 J602-3 NOT USED POTENTIOMETER vR503 vR503 O AIN LI FIER PCB
JsaziA 352274 AMPLIFIER LOOP OPAMP OUTPUT
RES STORS 1/47WATT. 5x UNLESS NOTED. J52275 .1602-5 SWITCHED POS AMPLIFIER RAIL" CAUTION. HIGH VOLTAGE RELAY K501 K501 SCALE an FILE No SHEET
1:57,: errurn u: AquIrIrw mm mm ulru Inn'ur m r r m ram -¢m I a Iu-UU
UNIF OTHERWI F FFKIFg 5 I 1 M
DO NOT SCALE DRAWING 151mm I u»