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74

QSC Audio Products, Inc.

TD-000083-00

= Signal path

A_VN

A_+15V

A_V_MON

A_PROTECT

A_CLIP

PWR_GND

PWR_GND

A_CLIP_FEED

J501:16

J501:9

J501:10

J501:11

J501:12

J501:13

J501:14

J501:15

+POL+

A_POT_TOP

A_POST_POT_N

A_POST_POT_P

SIG_GND

A_STANDBY_LED

SIG_GND

A_VP

A_REREF

J501:2

J501:3

J501:4

J501:5

J501:6

J501:7

J501:8

-POL-

J501:1

R509

10K-DET

-THRU-PCB

TL072

U501:1

TL072

U501:2

+POL+

PowerLight 6.0

PFC

PowerLight 6.0 II
PowerLight 9.0

PFC

Display board, Channel A

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Summary of Contents for PowerLight Series

Page 1: ...Light 6 0 II PowerLight 6 0PFC PowerLight 9 0PFC ON OFF PROTECT STANDBY POWER 1 CHANNEL 2 9000 WATT P OWER FACTOR CORRECTED PROFESSIONAL AMPLIFIER 22 22 32 32 24 24 26 26 28 28 30 30 00 00 20 20 18 18...

Page 2: ......

Page 3: ...caudio com product information and support http www qscstore com parts and accessory sales PowerLight Series Technical Service Manual Copyright 2004 QSC Audio Products Inc All rights reserved Document...

Page 4: ...2 QSC Audio Products Inc TD 000083 00 PowerLight 9 0PFC PowerLight 6 0PFC PowerLight 9 0 II...

Page 5: ...pinouts 25 4 2 Parts lists 33 ChassisAssembly QSCpart WP 000268 00 33 ChassisAssembly QSCpart WP 000268 02 34 ChassisAssembly QSCpart WP 000260 00 35 ChassisAssembly QSCpart WP 000260 02 36 ChassisAss...

Page 6: ...een LED CONNECTORS Input Active balanced Euro style terminal block Neutrik Combo XLR and 6 3 mm TRS tip and pin 2 positive Output Touch Proof binding posts 60A rated and Neutrik Speakon 1 per channel...

Page 7: ...flat against the circuit board with one end of the component immersed in the melted solder Figure 1 4 3 Hold the component in place and take the soldering iron away 1 1 Service bulletins Contact QSC T...

Page 8: ...e remaining solder 3 Repeat the process until all the pins are free and you can remove the component Insertion 1 With a soldering iron and 60 40 or 63 37 eutectic type solder melt just enough solder o...

Page 9: ...rly four octaves above the high end of the audio spectrum This makes the amplifier less susceptible to RF interference high frequency oscillations etc The audio signal passes through a pre clipper whi...

Page 10: ...the procedure for removing both audio and both power supply modules However if you only need to work on one channel you do not need to remove the modules from the other Tools and materials needed Phi...

Page 11: ...audio module to the chassis partition One screw is at the corner near the power supply connections and the other is about 6 cm 2 5 inches behind the housekeeping supply connections 11 Locate the powe...

Page 12: ...front of the chassis partition 28 Remove the side facing screw from the front of the partition on channel 1 s side 29 Remove two black pan head screws from the center line of the chassis partition 30...

Page 13: ...Drop the module into place on the standoffs and slide it forward 2 Using the 11 32 nutdriver or socket wrench attach the AC wires to the module The black wire attaches in front closer to the front of...

Page 14: ...line along the center of the side panel 18 Set the amp back down Reconnect the five power supply wires 0 through 4 to their respective screw terminals at the front of the module Make sure they are pla...

Page 15: ...you will need to remove the board if the gain pots become damaged or badly contaminated See Figure 2 7 2 3 AC line filter The AC line filter is an important part of the amplifier because it reduces no...

Page 16: ...ower cord assy 30A 125V 1 SW 000027 SW Switch AC 1 Key QSC Part Description Qty 1 2 3 4 5 WP 000181 00 Line filter PCB assy 230V 1 C0 000099 00 Connector line side flange 1 SC 083061 PU Screw 8 18 3 8...

Page 17: ...their associated components requires that the power supply modules be removed from the amplifier Tools and materials required Soldering iron Rosin core solder 60 40 or 63 37 eutectic type Long nose pl...

Page 18: ...it is not a 0 1 F 250V capacitor early modules will have the original 0 047 F 400V component instead replace it with QSC part CA 410009 00 5 Remove resistors R5 through R8 see Figure 2 11 and replace...

Page 19: ...nd next to the power transformer If you remove the diodes thoroughly clean away the old thermal grease from that portion of the heat sink and from the mica insulators apply fresh thermal grease when y...

Page 20: ...AP test procedure files are available on the QSC Technical Support CD ROM Pfcxf tst Pfcpwr2k tst Pfcpwr20 tst and Pfctherm tst The PFC power supply fixture The PFC power supply fixture is a special t...

Page 21: ...g insulated threaded posts to secure the wires to the terminals 5 Connect the power supply module s five black DC output wires labeled 0 through 4 to the screw terminals on the lower barrier strip Fig...

Page 22: ...e AC voltage 120 volts AC for a 120V module or 230 volts AC for a 230V module The power supply will turn on and begin to draw current when the AC voltage reaches about the halfway point 3 Adjust VR4 t...

Page 23: ...rwise already been calibrated at some time leave VR3 alone until after the first power sweep 2 Set the Variac to 130 volts for 120V modules or 260 volts for 230V modules 3 Run the AP test file Pfcpwr2...

Page 24: ...er or international distributor The power supply modules and line filter modules in the PowerLight 6 0 II PowerLight 6 0PFC and PowerLight 9 0PFC are made for specific AC line voltages they cannot be...

Page 25: ...four fans should start up Check current draw 7 At this point the current draw for a PowerLight 6 0PFC or PowerLight 6 0 II should be about 2 A or less for a 120 volt model or 1 A or less for a 230 vol...

Page 26: ...eping supply that is on the line filter assembly 6 If the voltage is good reconnect the housekeeping supply wires 7 Disconnect the latching connector on the cabling that goes to the input board If the...

Page 27: ...A NON INVERTING INPUT A V OUTPUT B INVERTING INPUT B NON INVERTING INPUT B V IC 000024 00 Controller PWM SG3525AN 16 pin DIP 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 SYNC RT VRE F OUTPUT B VC GROUND SHU...

Page 28: ...20 IC 000235 00 Top switch TOP224 TO 220 DRAIN SOURCE CONTROL IC 000055 30 Regulator power factor UC3854B 16 pin SMT 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GND PKLMT CAO ISENSE MOUT IAC VAO VRMS GTDRV...

Page 29: ...reference 2 5V LM4040DIM3X 2 5 3 pin SOT 30 SMT 1 2 3 IC 000071 00 Sensor temperature LM35DZ TO 92 V S V OUT GND IC 000073 30 Transconductance op amp DUAL LM13600M 16 pin SMT 1 2 3 4 5 6 7 8 16 15 14...

Page 30: ...iode Zener 47V 1W 1N4756 DO 41 QD 000159 20 Diode Zener 47V 1W 1N4756 DO 41 A K QD 000042 00 Diode rectifier ultrafast 400V 3A MUR440 DO 201AD 50 ns A K PD 000036 30 Power supply signal management GAL...

Page 31: ...C C E B QD 000078 10 Transistor NPN Darlington 30V 0 5A 1 5W MPSA13 TO 92 QD 000102 30 Diode 75V 0 075A IMBD4148 SOT 23 4 ns QD 000108 30 Diode 200V 0 2A BAS21 SOT 23 50 ns QD 000137 30 Diode Schottky...

Page 32: ...Diode rectifier fast 600V 60A DSEI60 06A TO 247AD 35NS QD 000160 00 Diode rectifier ultrafast 200V 60A APT60D20B TO 247AD 85 ns K A K back of case QD 000118 00 Bridge rectifier 1000V 1A 4 pin DIP AC...

Page 33: ...200V 74A 416W IXTK74N20 TO 264 G S D D back of case QD 000157 10 Diode 1000V 1 5A 1N5399 DO 15 A K QD 000163 30 LED red SML 010 voltage reference A K QD 000176 00 MOSFET N channel 55V 81A 170W IRFP054...

Page 34: ...ck of case QD 001340 LR LED red T 1 3 4 voltage reference QD 000229 10 Diode 250V 0 25A BAV21 DO 35 50NS QD 004148 DX Diode 75V 0 075A 1N4148 DO 35 4ns A K QD 000235 00 Rectifier dual common cathode 5...

Page 35: ...0042 00 WP 000135 00 For individual replacement parts the lists on this and the following pages are organized by module or major assembly Chassis Assembly QSC part WP 000268 00 Where used PowerLight 6...

Page 36: ...ONDUCTOR EVICTOR 12 L 2 WP 000176 00 PCB ASSY DISPLAY PL9 0 1 WP 000177 00 PCB ASSY LINE FILTER PL9 0 120V 1 WP 000266 00 PCB ASSY POWER SUPPLY EVICTOR 120V 2 WP 000271 00 CHASSIS ASSY REAR PL6 0II 1...

Page 37: ...PL 000125 00 INSULATOR POWER SUPPLY LOWER REAR PL9 0 FISH PAPER 1 PL 000125 00 INSULATOR POWER SUPPLY LOWER REAR PL9 0 FISH PAPER 1 PL 000130 00 INSULATOR PARTITION LOWER FRONT LEFT PL9 0 FISH PAPER...

Page 38: ...CHASSIS MAIN PL9 0 1 CH 000080 00 PAN MAIN PL9 0 1 CH 000084 00 PARTITION LINE FILTER PL9 0 1 CH 000086 00 RACK EAR REAR PL9 0 2 CH 000087 00 RACK EAR FRONT PL9 0 2 CO 000099 00 JACK IEC 3 POS FEMALE...

Page 39: ...0086 00 RACK EAR REAR PL9 0 2 CH 000087 00 RACK EAR FRONT PL9 0 2 HW 060006 SO STANDOFF 0 250 HEX 6 32 1 186 L ALUMINUM MALE FEMALE 4 HW 060080 HW STANDOFF 0 250 HEX 6 32 0 500 L ALUMINUM MALE FEMALE...

Page 40: ...000272 00 AGENCY VOLTAGE CE 1 NW 080001 NW LOCK WASHER 8 EXTERNAL TOOTH ZINC PLATE 1 NW 080500 KP KEPS NUT 8 32 7 NW 100710 NW LOCK WASHER 10 EXTERNAL TOOTH NICKEL PLATED 4 NW 250705 04 HEX NUT 1 4 2...

Page 41: ...NGLE 1 POS FEMALE 60A BLACK 2 CO 000147 00 BINDING POST SINGLE 1 POS FEMALE 60A RED 2 LB 000216 00 WARNING SHOCK CAUTION PL9 0 FCC CLASS A 1 LB 000218 00 PRODUCT REAR PL9 0 1 MS 000105 00 FAN 24VDC 3...

Page 42: ...0 C402 CA 410004 10 0 1UF 20 PCNT 50V CERAMIC Z5U DIPPED 4 C301 C303 C401 C403 CO 000168 00 XLR COMBO 3 POS FEMALE VERTICAL 2 J301 J401 IC 000072 OP OPAMP DUAL TL072 2 U300 U400 PC 000175 00 INPUT PL9...

Page 43: ...T SLIDE PCB MOUNT 1 SW1 WC 000128 00 RIBBON CABLE ASSY 28 AWG 16 CONDUCTOR PL9 0 8 75 L 2 WP 000178 00 PCB ASSY INPUT DAUGHTER PL6 0 PL9 0 1 Input PCB Assembly QSC part WP 000265 00 Where used PowerLi...

Page 44: ...CA 122002 30 220PF 5 PCNT 50V CERAMIC NPO 0805 2 C54 C124 CA 130000 30 300PF 5 PCNT 50V CERAMIC NPO 0805 1 C130 CA 133002 30 330PF 5 PCNT 50V CERAMIC NPO 0805 5 C115 C132 C133 C730 C732 CA 147004 30 4...

Page 45: ...R ROUND 0 047 ID X 0 25 OD X 0 155 L NYLON 6 PL 905385 SP SPACER ROUND 0 047 ID X 0 25 OD X 0 385 L NYLON 1 PT 250000 AT TRIM 5K 20 PCNT 0 15W 1 VR1 QD 000024 QD DIODE ZENER 6 2V 0 25W DZ901116G DO 35...

Page 46: ...050 SPACER R68 R97 RE 15002 30 1 5 5 PCNT 1W THICK FILM 2512 200V 3 R722 R724 RE 22100 30 2 21 1 PCNT 1 10W THICK FILM 0805 100V 8 R41 R126 R128 R131 R134 R154 R182 R466 RE 24001 00 2 4 5 PCNT 5W META...

Page 47: ...67 R277 R278 R341 R363 RE 133006 30 3 3K 0 1 PCNT 1 10W THICK FILM 0805 100V 6 R213 R228 R235 R245 R297 R315 RE 134802 30 3 48K 1 PCNT 1 10W THICK FILM 0805 100V 14 R11 R53 R55 R71 R74 R75 R87 R143 R2...

Page 48: ...100V CERAMIC NPO 0805 1 C50 CA 122002 30 220PF 5 PCNT 50V CERAMIC NPO 0805 2 C54 C124 CA 130000 30 300PF 5 PCNT 50V CERAMIC NPO 0805 1 C130 CA 133002 30 330PF 5 PCNT 50V CERAMIC NPO 0805 5 C115 C132 C...

Page 49: ...L 000091 00 INSULATOR STEP SWITCH PL9 0 THERMALLY CONDUCTIVE 1 PL 000092 00 ISOLATOR SPRING PL9 0 FR 4 PCB 1 PL 000094 00 INSULATOR CAPACITOR PL9 0 FISH PAPER 1 PL 000112 00 RIVET 0 156 X 0 322 PLASTI...

Page 50: ...METAL OXIDE FP 2 THIS PART HAS TWO DIFFERENT PREP PREP BY HAND AT VERTICAL POSITION PREP BY XURON TOOL IF COMPONENT IS BIG USE 050 SPACER R700 R701 RE 15001 00 1 5 2 PCNT 3W METAL OXIDE FP 2 THIS PAR...

Page 51: ...124902 30 2 49K 1 PCNT 1 10W THICK FILM 0805 100V 3 R345 R355 R366 RE 128702 30 2 87K 1 PCNT 1 10W THICK FILM 0805 100V 21 R9 R17 R19 R32 R51 R67 R73 R89 R102 R221 R229 R242 R247 R249 R265 R267 R277...

Page 52: ...plifier QSC Part Description Qty Comments Reference CA 068002 30 68PF 5 PCNT 50V CERAMIC NPO 0805 1 C40 CA 110001 10 100PF 5 PCNT 500V MICA DIPPED 1 C147 CA 110002 30 100PF 5 PCNT 50V CERAMIC NPO 0805...

Page 53: ...Q105 Q107 Q110 Q114 QD 000104 30 TRANSISTOR PNP 40V 0 2A 0 2W MMST3906 SOT 23 7 Q94 Q95 Q100 Q101 Q104 Q111 Q112 QD 000108 30 DIODE 200V 0 2A BAS21 SOT 23 50NS 1 D87 QD 000110 30 DIODE ZENER 6 2V 0 3...

Page 54: ...02 30 150K 1 PCNT 1 8W THICK FILM 1206 200V 2 R341 R342 RE 339202 30 392K 1 PCNT 1 8W THICK FILM 1206 200V 1 R340 RE 348702 30 487K 1 PCNT 1 8W THICK FILM 1206 200V 4 R321 R322 R326 R328 SC 063100 PP...

Page 55: ...30 FUSE 0 5A 32V 1206 FAST MS 000115 30 1 F1 PC 000266 00 POWER SUPPLY EVICTOR 1 PL 000010 00 BUMPER ADHESIVE BACKED 0 5 X 0 5 POLYURETHANE BLACK 8 PL 000114 00 INSULATOR IGBT RECTIFIER 1 25 X 3 20 TH...

Page 56: ...CNT 1 10W THICK FILM 0805 100V 1 R20 RE 197602 30 9 76K 1 PCNT 1 10W THICK FILM 0805 100V 1 R338 RE 210003 30 10 0K 1 PCNT 1 10W THICK FILM 0805 100V 12 R5 R9 R11 R17 R19 R24 R25 R63 R64 R336 R363 RE...

Page 57: ...LAT WASHER 6 ZINC PLATE 2 NW 180001 03 FLAT WASHER 0 177 STAINLESS STEEL 12 PC 000173 00 POWER SUPPLY PL9 0 1 PL 000010 00 BUMPER ADHESIVE BACKED 0 5 X 0 5 POLYURETHANE BLACK 3 PL 000059 00 INSULATOR...

Page 58: ...WG 1 CONDUCTOR 1 3 L 3 W11 W13 WC 2 5218 JW JUMPER TEFLON INSULATION 18 AWG 1 CONDUCTOR 2 5 L 0 250 LEAD LENGTH 1 W8 WP 000056 00 FET ASSY MATCHED PL6 0 PL9 0 1 Q1 4 USE THE SCREWS IN THE PACKAGE TO A...

Page 59: ...RE 24001 00 2 4 5 PCNT 5W METAL OXIDE FP NON INDUCTIVE 1 USE 050 SPACER R15 RE 47501 10 4 75 1 PCNT 1 4W METAL FILM 4 R5 R8 RE 001003 00 10 10 PCNT 5W WIRE WOUND VERTICAL NON INDUCTIVE 8 R16 R18 R22 R...

Page 60: ...7004 30 0 047UF 20 PCNT 50V CERAMIC X7R 1206 1 C65 CA 410002 10 0 1UF 5 PCNT 100V FILM DIPPED 1 C47 CA 410006 30 0 1UF 10 PCNT 50V CERAMIC X7R 1206 2 C7 C8 CA 510001 10 1 0UF 20 PCNT 50V CERAMIC Z5U D...

Page 61: ...LM 0805 100V 2 R50 R97 RE 130102 30 3 01K 1 PCNT 1 10W THICK FILM 0805 100V 2 R13 R14 RE 134802 30 3 48K 1 PCNT 1 10W THICK FILM 0805 100V 1 R68 RE 147502 30 4 75K 1 PCNT 1 10W THICK FILM 0805 100V 8...

Page 62: ...N BOTTOM SIDE NW 062010 FW FLAT WASHER 6 ZINC PLATE 2 NW 180001 03 FLAT WASHER 0 177 STAINLESS STEEL 12 PC 000173 00 POWER SUPPLY PL9 0 1 PL 000010 00 BUMPER ADHESIVE BACKED 0 5 X 0 5 POLYURETHANE BLA...

Page 63: ...ER PVC INSULATION 14 AWG 1 CONDUCTOR 1 3 L 3 W11 W13 WC 2 5218 JW JUMPER TEFLON INSULATION 18 AWG 1 CONDUCTOR 2 5 L 0 250 LEAD LENGTH 1 W8 WP 000056 00 FET ASSY MATCHED PL6 0 PL9 0 1 Q1 4 USE THE SCRE...

Page 64: ...METAL OXIDE FP NON INDUCTIVE 1 USE 050 SPACER R15 RE 47501 10 4 75 1 PCNT 1 4W METAL FILM 4 R5 R8 RE 001003 00 10 10 PCNT 5W WIRE WOUND VERTICAL NON INDUCTIVE 8 R16 R18 R22 R29 R30 R32 R34 RE 010003 1...

Page 65: ...047UF 20 PCNT 50V CERAMIC X7R 1206 1 C65 CA 410002 10 0 1UF 5 PCNT 100V FILM DIPPED 1 C47 CA 410006 30 0 1UF 10 PCNT 50V CERAMIC X7R 1206 2 C7 C8 CA 510001 10 1 0UF 20 PCNT 50V CERAMIC Z5U DIPPED 3 C3...

Page 66: ...K 0 1 PCNT 1 10W THICK FILM 0805 100V 3 R57 R58 R83 RE 210003 30 10 0K 1 PCNT 1 10W THICK FILM 0805 100V 9 R21 R31 R39 R73 R95 R96 R91 R93 R94 RE 212702 30 12 7K 1 PCNT 1 10W THICK FILM 0805 100V 3 R4...

Page 67: ...1 4W METAL FILM 4 R513 R517 R613 R617 RE 027005 BC 270 5 PCNT 1 4W CARBON FILM 4 R503 R516 R603 R616 RE 047501 BM 475 1 PCNT 1 4W METAL FILM 6 R514 R518 R519 R614 R618 R619 RE 064901 BM 649 1 PCNT 1...

Page 68: ...INDUCTOR COMMON MODE TOROID 8 5MH PL9 0 2 RED 2 4 BLK 1 3 USE SMALL HOLE L1 L5 LB 160226 01 FUSE 15A 250V UL 2 Line Filter Assembly QSC part number WP 000177 00 Where used All models 120 volts This is...

Page 69: ...these FETs should always be replaced as a matched group After any FET replacement the power supply module must be recalibrated and aligned as instructed in this manual QSC Part Number WP 000056 00 Pa...

Page 70: ...68 QSC Audio Products Inc TD 000083 00 5 Schematic diagrams...

Page 71: ...Technical Service Manual 69 PowerLight 6 0 II PowerLight 6 0PFC and PowerLight 9 0PFC 220p C1 PowerLight 6 0PFC PowerLight 6 0 II PowerLight 9 0PFC Input Daughterboard...

Page 72: ...SC Audio Products Inc TD 000083 00 SW1 3 SW1 4 SW1 1 SW1 2 U400 2 TL072 U400 1 TL072 220p C400 220p C402 220p C300 220p C302 U300 2 TL072 U300 1 TL072 E3 E2 PowerLight 6 0PFC PowerLight 6 0 II Input B...

Page 73: ...t 6 0 II PowerLight 6 0PFC and PowerLight 9 0PFC Signal path Signal path opp polarity SW1 3 SW1 4 SW1 1 SW1 2 U400 2 TL072 U400 1 TL072 220p C400 220p C402 220p C300 220p C302 U300 2 TL072 U300 1 TL07...

Page 74: ...P_VMON MSP_IMON MSP_IMON D_GND MSP_VMON STANDBY SIG_GND SIG_GND MODE_FLAG CH_IN_N CH_IN_N 5 3 2 1 280 KHz LPF POL POL 15V 5 4 3 2 1 I_SET PSENABLE_K PSENABLE_A 8 7 6 SHED_V SHED_V PWR_GND PWR_GND PSEN...

Page 75: ...IP_ MSP_IMON MSP_VMON STANDBY MSP_VMON MSP_IMON MSP_IMON D_GND MSP_VMON STANDBY SIG_GND SIG_GND MODE_FLAG CH_IN_N CH_IN_N 5 3 2 1 280 KHz LPF POL POL 15V 5 4 3 2 1 I_SET PSENABLE_K PSENABLE_A 8 7 6 SH...

Page 76: ...01 9 J501 10 J501 11 J501 12 J501 13 J501 14 J501 15 POL A_POT_TOP A_POST_POT_N A_POST_POT_P SIG_GND A_STANDBY_LED SIG_GND A_VP A_REREF J501 2 J501 3 J501 4 J501 5 J501 6 J501 7 J501 8 POL J501 1 R509...

Page 77: ...GND PWR_GND B_CLIP_FEED B_CLIP J601 16 J601 13 J601 14 J601 15 J601 9 J601 10 J601 11 J601 12 J601 6 J601 7 J601 8 B_VP B_VN J601 2 J601 3 J601 4 J601 5 J601 1 R609 10K DET THRU PCB POL POL POL B_POT_...

Page 78: ...P Values shown preclip a fixed 5 volts below the rails up to 15 amps of output current After that preclip advances 120 mV per ampere output for 12v preclip at 70 amps Gain 1 37 5 I_MON _V200 MUTE _BOP...

Page 79: ...CLIP 5V 187V 3 2 1 _N_STEP Values shown preclip a fixed 5 volts below the rails up to 15 amps of output current After that preclip advances 120 mV per ampere output for 12v preclip at 70 amps Gain 1 3...

Page 80: ...LAMP_SIG 3 2 1 _N_STEP 5 6 7 NOTE This opamp must not clamp its input terminals together TL072 or EQIV _V100 _N_STEP _V150 5 6 7 VN 5 6 7 5 6 7 VN 3 2 1 D S G Clamps caps to 48 54V D S G _V200 2 1 5 4...

Page 81: ...N G D S V_MON LOSS_OF_FEEDBACK CLAMP_SIG _N_STEP 3 2 1 5 6 7 NOTE This opamp must not clamp its input terminals together TL072 or EQIV _V100 _N_STEP _V150 5 6 7 VN 5 6 7 5 6 7 VN 3 2 1 D S G Clamps ca...

Page 82: ...N _VBOT 22u 25V C125 CW CCW W 5 U21 3 CA3054M96 14 13 4 3 2 1 CA3054M96 U21 1 DN_DRV HOT 22u 25V C129 _BOP PM_REF IX3 DR3 DR1 IX1 _BGND _VBOT _VTOP _BGND _BOP _VTOP _VBOT _BGND _BOP IX2 DR2 DR4 IX4 UP...

Page 83: ...0 resistor p 1C1 C126 22u 25V B3_N _VBOT 22u 25V C125 CW CCW W 5 U21 3 CA3054M96 14 13 4 3 2 1 CA3054M96 U21 1 DN_DRV HOT 22u 25V C129 _BOP PM_REF IX3 DR3 DR1 IX1 _BGND _VBOT _VTOP _BGND _BOP _VTOP _V...

Page 84: ...E U11 1 EL2257C 7 8 9 5 6 C E U11 2 EL2257C _VTOP _BOP D S G D S G This connects to chassis gnd at the rear panel 1 2 _SPK _SPK_GND 1 2 _BGND D S G D S G 7 8 9 5 6 C E EL2257C U12 2 1 14 13 3 2 C E U1...

Page 85: ...C U11 3 B2_N B2_P 1 14 13 3 2 C E U11 1 EL2257C 7 8 9 5 6 C E U11 2 EL2257C _VTOP _BOP D S G D S G This connects to chassis gnd at the rear panel 1 2 _SPK _SPK_GND 1 2 _BGND D S G D S G 7 8 9 5 6 C E...

Page 86: ...1 2 Nominal I_SET 3ma to 5ma Amp is fully on at I_SET 1ma Above 3ma fan is unaccellerated From 3ma to 1ma speed rises Below 1ma fan speed reduces back linearily to normal speed I_SET _V50 VP Current g...

Page 87: ...IN_RETARD VN 1 2 Nominal I_SET 3ma to 5ma Amp is fully on at I_SET 1ma Above 3ma fan is unaccellerated From 3ma to 1ma speed rises Below 1ma fan speed reduces back linearily to normal speed I_SET _V50...

Page 88: ...86 QSC Audio Products Inc TD 000083 00 PowerLight 6 0PFC PowerLight 6 0 II PowerLight 9 0PFC Line Filter 120 volts...

Page 89: ...Technical Service Manual 87 PowerLight 6 0 II PowerLight 6 0PFC and PowerLight 9 0PFC PowerLight 6 0PFC PowerLight 6 0 II PowerLight 9 0PFC Line Filter 230 volts...

Page 90: ...88 QSC Audio Products Inc TD 000083 00 PowerLight 6 0PFC PowerLight 6 0 II PowerLight 9 0PFC Output Board...

Page 91: ...1 2 1 D DRAIN S SOURCE C CONTROL 2 6 3 7 10 9 14 13 B4_N B4_P B3_N B3_P 2 1 6 4 1 2 8 7 22u 25V C111 22u 25V C107 12 11 B2_P B2_N VN B1_N 22u 25V C62 VP B1_P 15V 8 4 8 4 8 4 8 4 8 4 8 4 VN VP 8 4 C7...

Page 92: ...11 V 11 V 20 V 30 V 2 1 2 1 D DRAIN S SOURCE C CONTROL 2 6 3 7 10 9 14 13 B4_N B4_P B3_N B3_P 2 1 6 4 1 2 8 7 22u 25V C111 22u 25V C107 12 11 B2_P B2_N VN B1_N 22u 25V C62 VP B1_P 15V 8 4 8 4 8 4 8 4...

Page 93: ...Technical Service Manual 91 PowerLight 6 0 II PowerLight 6 0PFC and PowerLight 9 0PFC PowerLight 6 0PFC Power Supply Controller Board...

Page 94: ...92 QSC Audio Products Inc TD 000083 00 PowerLight 6 0PFC Power Supply...

Page 95: ...Technical Service Manual 93 PowerLight 6 0 II PowerLight 6 0PFC and PowerLight 9 0PFC PowerLight 9 0PFC Power Supply Controller Board...

Page 96: ...94 QSC Audio Products Inc TD 000083 00 PowerLight 9 0PFC Power Supply...

Page 97: ...V 17 2 PRI_LO PRI_LO SHUTDOWN_NOT V 17 2 PRI_LO PRI_LO PRI_LO RELAY AMP_DRIVE NEUTRAL PRI_LO V 17 2 PRI_LO HOT PRI_HI PRICAPCT PRI_LO PRI_LO PRI_LO V 17 2 PRI_LO SWITCH_INHIBIT_DRIVE SWITCHEDHV V 17...

Page 98: ...p Threshold PRI_LO AC_LINE_LO NEUTRAL PRI_HI HOT AC_LINE D15 D18 PUMP_POS PRI_HI 2 Watts Max Dis PRICAPCT PRI_HI L1 V 5 V 5 2 Watts Max Dis PUMP_NEG PRI_LO PRI_LO PUMP_NEG PRI_HI Hard Limit at 395V 40...

Page 99: ......

Page 100: ...C and the QSC logo are registered trademarks of QSC Audio Products Inc 1675 MacArthur Blvd Costa Mesa CA 92626 USA PHONE 1 714 957 7150 TOLL FREE IN USA 1 800 772 2834 FAX 1 714 754 6173 www qscaudio...

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