Related Manuals for Shure Pro Master 700
Summary of Contents for Shure Pro Master 700
- Page 1 Price $1 0.00 700 AND 706 SERIES SERVICE MANUAL Manufactured by SHURE BROTHERS INC. 222 Hartrey Avenue Evanston, Illinois 60204 U.S.A. Printed in U.S.A. Copyright 1981, Shure Brothers Inc. AL663 (Al) 27A8027...
-
Page 2: Specifications
SPECIFICATIONS* ......Distortion .THD typically less than 0.1% at Type .Solid-state power console using 40 Hz and 1 kHz, 0.25% at 15 discrete components and inte- kHz;... - Page 3 SPECIFICATIONS* (continued) ..Frequency Response 2 2 dB, 40 to 20,000 Hz, BAL LO Input Clipping Level. BAL LO IMP 700 mV to 21 mV (INPUT ATTEN IMP INPUT to SPEAKER OUT- -30 to 0) PUTS HI IMP 10V to 335 mV (INPUT...
-
Page 5: Table Of Contents
TABLE OF CONTENTS Section Page ....... SPECIFICATIONS ........DESCRIPTION . -
Page 7: Description
Model 700 DESCRIPTION FINDER circuit switches the LEDs from power amp peak The Shure PRO MASTERTM Power Consoles are port- output level indicators to visual indicators of feedback able, high-power, eight-input mixer-amplifiers designed for frequency for eliminating feedback by graphic equalizer use by professional entertainers and sound system oper- adjustment. -
Page 9: Maintenance
%-inch and 3-pin pedances match the inputs impedance microphones through a line matching trans- jacks in use) used. former (Shure A95FP) to a HI IMP INPUT. 2. Make sure microphone is not used with accessory equip- TROUBLESHOOTING ment on other input. -
Page 10: Circuit Operation
simple but powerful tool for troubleshooting. For example, No DB PEAK/frequen- 1. M a k e c e r t a i n FEEDBACK in a 700 console a suspected channel A equalizer can be cy band LEDindicators FINDER switch is set to A, B, checked by patching between the A MIX OUTPUT and flashing (console ON or OFF (not between posi-... -
Page 11: Db Peakifeedback Findertm Leds
Amplifier U916B clips the input signal to establish a Note that the circuit is sensitive to the actual power square wave of approximately 1.2 Vpp. U916B also con- supply voltages; if the ac line input voltage is less than tains the FEEDBACK FINDER THRESHOLD control (R999) 120V, clipping and overload indication will take place at a lower output level. -
Page 12: Service Instructions
To maintain the highest possible performance and bottom panel). Carefully rotate the console until the bottom reliability Shure factory replacement parts should be used. panel rests on the work surface and extend either side When ordering replacement parts, specify the Shure Re-... - Page 13 /INPUT ALIGN. BRKT. PRINTED CIRCUIT BOARD AND PARTS LOCATION FIGURE 1...
-
Page 14: Reverb Pan Assembly
about 5" over the edge of the work surface. Remove the Component Board two exposed screws from the bottom panel. Rotate the Numbering Function console 180° and remove the remaining two exposed Input Controls (Ch. 1-6) 100s, 200s, 300s screws. Lift the cover straight up. When clear of the bottom Equalizer 400s panel, rotate it until the cover rests on its rear bumpers. -
Page 15: Dc Output Balance Adjustment
clipj and pop the rotary pot shafts into position. The re- maining shafts will fall into position. Before snapping the Use a small screwdriver with an insulated shaft to board into its locked position on the standoffs, check that make this adjustment; hazardous voltages are pres- the LEDs are aligned with their respective holes. -
Page 16: Db Peak Led Calibration
The scope display should appear as in Figure 2A or B PNP transistor. Refer to the NOTES TO SERVICE ILLUS- if the Full Wave is out of balance, or as in Figure 2C TRATIONS for transistor lead codes. if it is in balance. OUTPUT TRANSISTORS 4. -
Page 17: Printed Circuit Board Connectors
OPTIONAL ACCESSORIES The following optional accessories are specially de- OHMMETER CONNECTIONS OHMMETER READING signed for use with the Shure 700 Series Power Consoles: A700C Protective Cover Transistor "PIYs" Lead 64Minus" Lead Transistor... -
Page 18: Operation At Other Voltages
OPERATION AT OTHER VOLTAGES 3. Unsolder the white (AC) lead and solder it to the terminal with blue and yellow leads. The Model 700 and 706 consoles are supplied wired for operation at an input of 120 Vac *10°/~, 50/60 Hz. For oper- 140V Operation: ation at 240V, 220V, 200V, 140V or 100V, follow the steps 1. -
Page 19: Replacement Parts List
REPLACEMENT PARTS LIST This list describes parts for Models 700, 700E6, 706 and 706E6. Major differences between parts are shown by multiple listings of the part with parenthetical notation of the models. When servicing 706 and 706E6 consoles, disregard refer- ence designations given for parts not present in these models. - Page 20 REPLACEMENT PARTS LIST Replacement Kit Consists Of: Reference Replacement Commercial Designation Kit No.* Alternate Qty. Part No. Description C315, C316, 86N628 Capacitor, Electrolytic, Sprague 30D- C605, C703, 100 ,LF, 25 Wvdc TE1211; Mallory C718, C928, MTA-100F35; CDE C929 NLW-100-25 C447, C448, 86F629 Capacitor, Electrolytic, Sprague...
- Page 21 REPLACEMENT PARTS LIST Replacement Kit Consists Of: Reference Commercial Replacement Alternate Designation Kit No.* Qty. Part No. Description 80A380 Fuse, Slo-Blo, 5A, 250V (700E6) Littelfuse 213005 80E159 Fuse, Slo-Blo, 4A, 250V (706) Littelfuse 31 3004 808258 Fuse, Slo-Blo, 3.15A, 250V (706E6) Littelfuse 21303.15 F501 -F504 80A268...
- Page 22 REPLACEMENT PARTS LIST Replacement Kit Consists Of: Commercial Reference Replacement Alternate Designation Kit No.* Description Part No. Qty. Transistor, Silicon, PNP TI TIS93 RKC66 86A335 Q501, Q603, Q607 TI TIS92 Transistor, Silicon, NPN Q502 RKC65 86A334 None 86A8301 Transistor, Silicon, Power, PNP Q601 Motorola MPS-A06 Q602, Q605,...
- Page 23 REPLACEMENT PARTS LIST Replacement Kit Consists Of: Reference Commercial Designation Alternate part Description 46A82 Potentiometer, Audio None Taper, 1OOk Potentiometer, IOk, Dc None Output Balance 46F33 45HC152B Resistor, 1.5k, 5W, 10% IRC or Dale PW-5A 46G33 Potentiometer, 100, Dc None Bias Current 45HB309C Resistor, 0.3, 7W, 5%...
- Page 24 REPLACEMENT PARTS LIST Replacement Kit Consists Of: Commercial Reference Replacement Alternate Designation Kit No.* Description Part No. None Input Transformer and Shield Assembly Raytheon lntegrated Circuit, Quad RC4156DB * Operational Amplifier Raytheon LM339DB lntegrated Circuit, Quad Comparator Raytheon RC4156DB lntegrated Circuit, Quad Operational Amplifier Motorola lntegrated Circuit,...
-
Page 25: Notes To Service Illustrations
Transistor lead codes are shown in Figure 4. Acceptable Shure part numbers are not shown in the Parts List if replacements are shown in the Parts List. parts are readily available through local electronics parts The following ground symbols denote: suppliers. - Page 26 ÿ ire NOTE: The Interchange" footnotes shown below 5. Measurements made with ac VTVM of 1 megohm or the connector tables in the circuit diagrams are for manu- greater input impedance. facturing purposes only. Wires should not be interchanged 6. No load on SPEAKER OUTPUTS jacks (J16-J19). 7.
- Page 27 INPUTS LINE INPUT + 5 5 V FZA. O V E R L O A D MODEL 700 AND 706 BLOCK DIAGRAM FIGURE 5...
- Page 28 Pa02 STEREO HEADFWNES J813 POWER AUX INPUT JBI 3 1 8 1 4 BLU w24- IbJPUT caer IOOPF DLK *24 CONNECTOR: P802 (J21) pF AND 50V OR MORE UNLE55 OTHERWISE SHOWN, FUNCTION A L L CAPACIT- ELECTKOLYTlC CAPACITCi?S SMCWM ,kF X VOLTS.
- Page 29 INPUT CONNECTORS BOARD A8 PARTS LOCATION FIGURE 7 INPUT CONNECTORS BOARD A8 COMPONENT SIDE FIGURE 8...
- Page 30 INPUT CONNECTORS BOARD A8 FOIL SIDE FIGURE 9...
- Page 31 INPUT CONNECTORS BOARD A1 FOIL SIDE FIGURE 10...
- Page 33 NOTES CONNECTOR : PI01 ( J 2 ) \.ON INPUTS R L L ( A Z ) ADD 100 TO C , D , R AND U N U M B E R S . INPUTS 5 AND 6 (43) \"JMBLRS TO ALL ilND...
- Page 34 AUX. OUTPUT MIX OlJTPUT P701 --------x U7Ol P702 86A806 C / - - 7 - BAL LG R 7 Z 8 MONITOR 0UTPL)T A PA INPUT D7&7 C ' L - %A415 R 7 2 2 C720 REVERB SWITCH 0704 66A415 0717 ~ 7 2 4...
- Page 35 OUTPUT CONNECTORS BOARD A7 PARTS LOCATION FIGURE 15 OUTPUT CONNECTORS BOARD A7 COMPONENT SIDE FIGURE 16...
- Page 36 OUTPUT CONNECTORS BOARD A7 FOIL SIDE FIGURE 17...
- Page 37 ,TEST POINT FULL WAVE B A L TEST POINT C A L OUTPUT CONTROLS BOARD A9 FOIL SIDE FIGURE 18...
- Page 38 OUTPUT CONTROLS BOARD A9 PARTS LOCATION FIGURE 19 OUTPUT CONTROLS BOARD A9 COMPONENT SIDE FIGURE...
- Page 39 P I N & GAUGE COLOR F U N C T I O N B L A C K A 8 C 8 2 0 A U X " 7 " G R O U N D NO CONNECTION S I G N A L G R O U N D 8 LR13 A U X "7"...
- Page 40 IOOK FILTER R414 R419 LED BOARD A l l PARTS LOCATION FIGURE 22 TOP FOlL CAPACITORS INpF AND 5 0 V MORE U N L E S S OTHERWISE SHOWN. R E S I S T O R S 1 / 4 UNLESS OTHERWISE SHOWN.
- Page 41 EQUALIZER BOARD A4 COMPONENT SIDE FIGURE 25 EQUALIZER BOARD A4 PARTS LOCATION FIGURE 26...
- Page 42 EQUALIZER BOARD A4 FOIL SIDE FIGURE 27...
- Page 43 POWER AMPLIFIER BOARD A6 FOIL SIDE FIGURE 28...
- Page 44 1- D POWER AMPLIFIER BOARD A6 PARTS LOCATION FIGURE 29 POWER AMPLIFIER BOARD A6 COMPONENT SIDE FIGURE 30...
- Page 45 MOTES; ALL CAPACITORS IN AND 50 MORE UNLES5 M U E R - Q608,609,612 -615 MOUNTED O N HEAT SINKS. CONNECTOR: P601(A) (~10) 0606 CONNECTED TO HEAT 5INK OF Q612 WISE 3 H O W N , E L E L ~ ~ L Y T I C CAPKITOR5 S H O W N I N VOLTS.
- Page 46 MODEL 706: R506 AND C510 ARE NOTES: ALL CAPACITORS MORE UNL.E55 i S E R ' d I 5 E A N D SciOW:d. ELECTROLYTE C A X L T O R S 5HGWN X VOLT5 '4?SI5TORS 1 / 4 ~ I h l L E 5 5 OTHERWISE 5 M C W N .
- Page 48 REGULATED POWER SUPPLY BOARD A5 FOIL SIDE FIGURE 35...
- Page 49 T Y P E A B C J A B OR " -RED,*~G U N S W I T C H E D AC M A l N S U P P L Y - W . MAX ! O D CENTER TAP B L K V A C...