Arcam PA240 Service Manual Download Page 3

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EN-3

Contents

Safety Summary

EN-4

Safety Guidelines

EN-5

Electrostatic Discharge (ESD) Precautions

EN-7

General Information

EN-8

PA240 Specifications

EN-9

Functional Verification and Test Procedure

EN-10

Troubleshooting EN-12
Theory of Operation

EN-13

Power Amplifier PCB - L292

EN-13

Pre-amplifier PCB - L288

EN-13

Mains Input PCB - L283

EN-13

Lifter PCB - L308

EN-13

These service instructions are only intended for use by

qualified personnel. Do not perform any servicing other than

that contained in these instructions unless qualified to do so.

Refer to the Safety Guidelines prior to performing any service

L288 Pre Amplifier PCB Issue 3

EN-14

L292 Power-Amplifier PCB Issue 3

EN-24

L283 PSU PCB Issue 1

EN-40

L308 Lifter PCB Issue 1

EN-44

L285 Front Panel PCB Issue 1

EN-49

Overall Dimensions

EN-52

Exploded Drawings

EN-54

Summary of Contents for PA240

Page 1: ...SERVICE MANUAL POWER AMPLIFIER PA240 ISSUE A ...

Page 2: ...EN 2 Revision History Issue A Initial release ...

Page 3: ...3 Mains Input PCB L283 EN 13 Lifter PCB L308 EN 13 These service instructions are only intended for use by qualified personnel Do not perform any servicing other than that contained in these instructions unless qualified to do so Refer to the Safety Guidelines prior to performing any service L288 Pre Amplifier PCB Issue 3 EN 14 L292 Power Amplifier PCB Issue 3 EN 24 L283 PSU PCB Issue 1 EN 40 L308...

Page 4: ...not remove unit covers Qualified maintenance personnel must make component replacements and internal adjustments To avoid personal injuries always disconnect power and discharge circuits before touching them DO NOT SERVICE OR ADJUST ALONE Do not attempt internal service or adjustment unless another person capable of rendering first aid resuscitation is present DO NOT SUBSTITUTE PARTS OR MODIFY INS...

Page 5: ...e mains supply is to remove the mains plug The equipment must be installed in a manner that makes disconnection possible Abnormal smell If an abnormal smell or smoke is detected from the equipment turn the power off immediately and unplug the equipment from the wall outlet Contact your dealer and do not reconnect the equipment Damage requiring service The equipment should be serviced by qualified ...

Page 6: ...rack Handle the power cord carefully Hold the plug when unplugging the cord Keep the unit free from moisture water and dust Unplug the power cord when not using the unit for long periods of time Do not obstruct the ventilation holes Do not let foreign objects into the unit Do not let insecticides benzene and thinner come in contact with the unit Never disassemble or modify the unit in any way Vent...

Page 7: ...ircuit boards with care When removing circuit boards handle only by non conductive surfaces Never touch open edge connectors except at a static free work station Minimize handling of circuit boards Handle each circuit board by its edges Do not slide circuit boards over any surface Insert circuit boards with the proper orientation Use static shielded containers for storing and trasporting circuit b...

Page 8: ...ty HIGHLIGHTS Balanced XLR and Single ended RCA analogue inputs Stereo Dual Mono and Bridged operating modes RS232 and IP control Total harmonic distortion noise 0 002 ROUTINE MAINTENANCE There is routine maintenance that should performed on a periodic basis to prevent the unit from degrading in performance and cosmetic condition Clean the exterior with a soft lint free cloth Do not use alcohol be...

Page 9: ...e 1kHz 790W Harmonic distortion 80 power 8Ω at 1kHz 0 001 Inputs RCA Type XLR Type 31dB 25dB 31dB 25dB Input sensitivity 200W 8Ω 1 15V RMS 2 3V RMS 2 3V RMS 4 6V RMS Signal Noise ratio A wtd 10W 8Ω 110dB 114dB 110dB 114dB Input impedance 10kΩ Frequency response 20 20kHz 0 05dB General Mains voltage 110 120V or 220 240V 50 60Hz Maximum power consumption 1 5kW Low power standby consumption 0 5W Netw...

Page 10: ...her channel 7 Check THD into 4R XLR input 4R load balanced feed to analyser input Generator output to 1kHz level to get approx 19V output typically 2 8 3V into one channel 10 22kHz input filter THD should be 0 0012 typically 0 0007 Repeat for other channel 8 Check dual mono operation Connect only left XLR input Switch to Dual Mono mode with rear panel switch Generator output to 1kHz level to get a...

Page 11: ...ear panel switch Double AP output signal level THD should be 0 01 typically 0 002 Check all other channel 13 Check short circuit protection Set input level to get approx 3V on the speaker output Short one of the outputs Unit should shut down nicely Repeat for other channel ...

Page 12: ...e the fault type according to the list below FLASHING WHITE The internal temperature of the unit reached an unsafe level Allow the PA720 PA240 PA410 to cool off FLASHING RED The PA720 PA240 PA410 amplifier detected a speaker short circuit Should this happen please inspect all the speaker cables to make sure none of them are shorted together This fault is very common when bare wires are being used ...

Page 13: ... all the functions of the PA240 such as input type selection muting controlling the power supply RS232 communications interfacing to the network module and monitoriong the amplifier status The MCU is powered by 3 3V generated locally from the 5V rail by REG500 Network Interface The network interface consists of an ethernet phy IC300 which is the interface to to the outside world This is controlled...

Page 14: ...EN 14 EN 14 L288 Pre Amplifier PCB Issue 3 ...

Page 15: ...urface Mount 0 125W 1 4K7 R177 1M247 1 1 Resistor 0805 Surface Mount 0 125W 1 62K R102 R122 R131 R144 R154 R167 1M362 6 0 Resistor 0805 Surface Mount Thin Film 0 125W 1 47R R100 R103 R105 R112 R114 R128 R132 R139 R141 R150 R153 R155 R156 R164 R169 R172 R180 1MA047 17 1 Resistor 0805 Surface Mount Thin Film 0 125W 1 100R R319 1MA110 1 1 Resistor 0603 Surface Mount 0 063W 0R0 R181 R182 R2 R3 R325 R3...

Page 16: ...114 C115 C116 C117 C204 C207 C208 C209 C210 C212 C213 C214 C215 C216 C217 C218 C219 C220 C234 C304 C307 C308 C309 C310 C311 C312 C313 C315 2JC410 34 1 Capacitor SM 0603 X7R Ceramic 10 16V 100N This part is RoHS compliant C200 C201 C202 C203 C205 2JD410 5 2 Capacitor SM 0603 X5R Ceramic 10 6 3V 10uF C235 2JG610 1 1 Capacitor SM 0805 X5R Ceramic 10 6 3V 10uF C211 C228 C306 C316 2JH610 4 1 Capacitor ...

Page 17: ... Signal BAV70 SOT 23 Package D102 3AV70 1 1 Zener Diode 0 25W Surface Mount BZX84C12V SOT 23 Package DZ100 3CW312V 1 1 Zener Diode 0 25W Surface Mount BZX84C3V0 SOT 23 Package DZ300 3CW33V0 1 1 LED 0603 RED This part is RoSH compliant LED200 LED201 LED202 3D018 3 1 Diode Schottky BAT54S SOT 23 Package D100 D101 D103 D106 D108 D111 3F54S 6 A Transistor MMBTA06L SOT23 Package TR301 TR302 4A06L 2 1 T...

Page 18: ... SM0603 120R 100MHz L201 L203 7F013 2 1 Ferrite Bead SM0603 330R 100MHz 2A L200 L207 7F062 2 1 Ferrite Bead SM0603 220R 100MHz 1 4A L1 L205 L206 7F220 3 1 Crystal Oscillator 50MHz 3 3V GXO 5331 X200 7X090 1 1 Crystal 8MHz SM X300 7X091 1 1 USB Type A receptacle Upright Neltron 5075AUR 04 WH CON201 8B0019 1 1 RJ45 8WAY Connector with magnetics Tian Mu Elec CON200 8B0058 1 1 Phono Skt 4 Way Black Tr...

Page 19: ...n 1 00MM Vertical SM FFC 30WAY CON5 8K8330 1 1 Con 1 00MM Vertical FFC 20WAY 52806 Series CON1 CON2 8K8520 2 1 Switch Slide SPDT OS102011MA1QN1 SW300 SW301 A1414 2 1 Switch Slide SP3T OS103011MA7QP1 SW302 A1415 1 1 Relay 2P2T G6K 12V SM RLY100 RLY101 RLY102 RLY103 RLY104 RLY105 RLY106 RLY107 RLY108 A237 9 1 F344 M3 R A BRACKET FIX1 FIX2 F344 2 1 Blank L288PB AMP024 Input PCB PCB1 L288PB 1 3 End of...

Page 20: ...MCU BIAS1 MCU BIAS2 MCU BIAS3 BIAS CH SEL SPK MUTE AGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 52806 CON1 MOLEX 14V 14V 3V3 STBY 5V STBY Blank L288PB AMP024 Input PCB L288PB PCB1 1 DANTE RESET DANTE EN DANTE PIC RS232 DANTE TX DANTE RX DANTE PRES DANTE 1 DANTE 1 DANTE 2 DANTE 2 1 2 3 4 5 6 7 8 52808 CON3 MOLEX FD1 FD2 TOOL1 TOOL2 TOOL3 TOOL4 1 FIX3 Dia 3 2mm 0W063 R3 0R0 1 FIX4 Dia 3 2...

Page 21: ...GND AGND AGND 2 3 1 8 4 IC101A TL072CD 6 5 7 IC101B TL072CD 0W125 R103 47R AGND 0W063 R110 1K0 2 3 1 8 4 IC100A TL072CD 6 5 7 IC100B TL072CD AGND AGND AGND 0W063 R120 22K 0W063 R101 1K0 0W063 R115 1K0 0W063 R117 1K0 0W063 R125 1K0 0W063 R111 10K 0W063 R118 47K 0W063 R104 100K 0W063 R107 100K 0W063 R108 100K 0W063 R119 100K 0W063 R121 100K 0W063 R124 100K 50V C100 100N 50V C109 100N 100V C124 1uF 5...

Page 22: ...11 R1OUT 12 R1IN 13 T1OUT 14 GND 15 VCC 16 STATIC PROTECTED SO16 WIDE IC201 MAX3232ECWE 50V C216 100N 50V C218 100N 50V C217 100N 50V C219 100N DGND DGND 50V C212 100N DGND L206 220R 100MHz TX 232 RX 232 RS232 RX RS232 TX RS232 TX RS232 RX 3V3 MCU 3V3 MCU 50V NPO C221 22P 50V NPO C222 22P DGND RS232 ETHERNET USB 0W063 R212 560R 0W063 R217 560R 0W063 R220 560R DGND D200 PESD5V0U1BB D201 PESD5V0U1BB...

Page 23: ...P T2 RS232 RX RS232 TX RS232 TX RS232 RX DEBUG SETTINGS E2 TRIGGER OUTPUT 50V NPO C314 22P DGND 50V NPO C305 22P TRIGGER OUT DEBUG CLK DEBUG DATA TRIGGER IN 3 10 1 23 22 21 L R L R 11 2 HSJ1003 SKT300 HOSIDEN X300 8MHz 0W063 R304 33R 0W063 R305 33R 50V C300 33P 50V C301 33P DGND DGND RED LED GREEN LED 1 2 3 4 5 6 M20 973 CON300 HARWIN 0W063 R320 10K 0W063 R321 10K 3V3 MCU DGND MODEL 0W063 R301 10K...

Page 24: ...EN 24 EN 24 L292 Power Amplifier PCB Issue 3 ...

Page 25: ...210 1 1R0 0 5W R1115 R1116 R217 R218 R219 R239 R240 R241 R3115 R3116 R417 R418 R419 R439 R440 R441 1AA810 16 A Resistor 2512 Surface Mount 1W 1 47R R1002 R1099 R3002 R3099 1AB047 4 1 Resistor 2512 Surface Mount 1W 1 1K5 R1028 R1074 R3028 R3074 1AB215 4 1 Resistor 1206 Surface Mount 0 5W 1 0R47 R212 R213 R214 R244 R245 R246 R412 R413 R414 R444 R445 R446 1AC947 12 1 Resistor Carbon Film 2W 5 100R R5...

Page 26: ...1M310 4 1 Resistor 0805 Surface Mount 0 125W 1 47K R1111 R1112 R3100 R3111 1M347 4 1 Resistor 0805 Surface Mount 0 125W 1 120K R506 1M412 1 1 Resistor 0805 Surface Mount 0 125W 1 220K R1032 R1082 R3032 R3082 1M422 4 1 Resistor 0805 Surface Mount 0 125W 1 3M3 R1000 R3000 1M533 2 A Resistor 0805 Surface Mount 0 125W 1 4R7 R1075 R3075 1M847 2 1 Resistor 0805 Surface Mount Thin Film 0 125W 1 10K R202 ...

Page 27: ... 063W 1 330R This part is RoSH compliant R1045 R1049 R3045 R4049 1N133 4 1 Resistor 0603 Surface Mount 0 063W 1 360R R1089 R1094 R3089 R3094 1N136 4 1 Resistor 0603 Surface Mount 0 063W 1 430R R1035 R1059 R3035 R3059 1N143 4 1 Resistor 0603 Surface Mount 0 063W 1 1K0 R1018 R1025 R1069 R1093 R1102 R1103 R1108 R14 R3018 R3025 R3069 R3093 R3102 R3103 1N210 14 1 Resistor 0603 Surface Mount 0 063W 1 1K...

Page 28: ...00 J3003 J400 J401 J402 J403 J404 J405 J406 J407 J408 J409 J410 J411 J412 J413 J414 J415 J416 J417 1X020A 40 1 Capacitor SM 0805 X7R Ceramic 10 50V 100N C1044 C1045 C3044 C3045 2J410 4 1 Capacitor SM 0805 X7R Ceramic 10 50V 470N C1008 C1026 C3008 C3026 2J447 4 1 Capacitor SM 0805 X7R Ceramic 10 100V 220N C1003 C1032 C3003 C3032 2JA422 4 1 Capacitor SM 1206 X7R Ceramic 10 100V 100N This part is RoH...

Page 29: ...M 0805 NPO Ceramic 5 100V 6P8 C1047 C3047 2L868 2 1 Capacitor SM 0805 NPO Ceramic 1 50V 470P C1014 C1023 C3014 C3023 2LD147 4 1 Capacitor Surface Mount Electrolytic Dia 4mm 10UF 35V C503 2M610B 1 1 Capacitor Radial Electrolytic Dia 6 3mm Pitch 5mm 22UF 100V C1006 C1029 C3006 C3029 2N622A 4 1 Capacitor Radial Electrolytic Dia 12 5mm Pitch 5mm 220UF 100V C1001 C1035 C3001 C3035 2N722C 4 A Capacitor ...

Page 30: ... D401 D402 D403 D404 D405 3BS2D 12 1 Zener Diode 0 5W GLZ27D MELF Package DZ1001 DZ1002 DZ3001 DZ3002 3CGLZ27 4 1 Zener Diode 0 25W Surface Mount BZX84C15V SOT 23 Package DZ500 DZ501 3CW315V 2 1 Zener Diode 0 25W Surface Mount BZX84C5V6 SOT 23 Package DZ1000 DZ1003 DZ3000 DZ3003 3CW35V6 4 1 LED 0603 RED This part is RoSH compliant LED1000 LED1001 LED3000 LED3001 3D018 4 1 D NSR1020 SHKY SOD 323 D1...

Page 31: ...TR1002 TR3002 4B15032G 2 1 Transistor MJE15033G TO220 Package RoHS TR1021 TR3021 4B15033G 2 1 Transistor 2SC2690A TO126 Package TR1001 TR3001 4B2690 2 A Transistor KSC3503ESTU TO126 Package TR1020 TR3020 4B3503 2 1 Transistor PZTA42T1G SOT223 TR1000 TR3000 4B42T1G 2 1 Transistor PZTA92T1G SOT223 TR1027 TR3027 4B92T1G 2 1 Transistor TIP31C TO220 Package TR506 4BTIP31C 1 0 Transistor TIP32C TO220 Pa...

Page 32: ...JST XH Series Socket 8WAY Vertical CON3 8K3708 1 1 Con JST VH Series Vertical 7WAY ROHS compliant CON6 CON7 8K3807 2 1 Con Single ROW Hdr 0 1IN Vertical 2WAY CON1000 CON200 CON201 CON202 CON400 CON401 CON402 CON9 8K6201 8 1 Con 1 00MM Vertical FFC 20WAY 52806 Series CON1 CON2 8K8520 2 1 Relay 1P2T 24V RLY1 RLY2 A220 2 1 1 0A Bussman 3216 Fast 1206 RoHS FS1000 FS1001 FS3000 FS3001 C32210 4 1 7 0A B...

Page 33: ... R2 OUT R BIAS R1 BIAS R3 BIAS R2 BIAS R3 BIAS R2 BIAS R1 Arc Welder Right L292 CT5 R Channel Output SchDoc L INPUT L INPUT R INPUT R INPUT OUT L OUT R OUT L OUT R OUT L OUT R PA SHORT DC OFFSET DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 52806 CON2 MOLEX LIFT TEMP T2 LIFT TEMP T1 AC FAIL MCU BIAS1 MCU BIAS2 MCU BIAS3 BIAS CH SEL SPK ON 3V3 OUT L SHORT L3 SHORT R2 SHORT L2 SHORT R3 PA ...

Page 34: ...C1037 1uF 50V C1030 1N0 AGND 0W063 R1054 0R0 0W063 R1044 0R0 0W063 R1018 1K0 0W063 R1024 68R 0W063 R1019 47R 0W125 R1080 10K 0W125 R1031 10K 0W063 R1023 100R 100V C1004 1uF AGND 50V C1009 1N0 NF NF 0W063 R1009 10R 0W063 R1086 10R 0W063 R1065 220R NF 0W063 R1010 10R 0W063 R1087 10R 100V C1032 220N 100V C1003 220N 0W063 R1021 220R 0W063 R1076 220R 0W063 R1084 3K3 0W063 R1013 3K3 0W063 R1040 0R0 0W06...

Page 35: ...232 0 18R 2W R226 0 18R 2W R235 0 18R 2W R229 0 18R 2W R238 0 18R 2W R227 0 18R 2W R236 0 18R 2W R224 0 18R 2W R233 0 18R 2W R221 0 18R 2W R230 0 18R NF NF NF NF NF NF 0W125 R216 1K1 0W125 R215 1K1 0W125 R220 1K1 0W125 R247 1K1 0W125 R242 1K1 0W125 R243 1K1 0W125 R202 10K 0W125 R203 10K 0W125 R205 10K 0W125 R206 10K 0W125 R207 10K 0W125 R208 10K 0W125 R209 10K 0W125 R210 10K 0W125 R211 10K 0W125 R...

Page 36: ...058 1K5 0W063 R3067 68R 0W063 R3068 68R 0W063 R3030 4K7 0W125 R3077 6K8 0W125 R3047 6K8 0W063 R3090 1K5 0W063 R3088 68R 0W063 R3093 1K0 0W063 R3097 47R 0W063 R3092 100R 100V C3037 1uF 50V C3030 1N0 AGND 0W063 R3054 0R0 0W063 R3044 0R0 0W063 R3018 1K0 0W063 R3024 68R 0W063 R3019 47R 0W125 R3080 10K 0W125 R3031 10K 0W063 R3023 100R 100V C3004 1uF AGND 50V C3009 1N0 NF NF 0W063 R3009 10R 0W063 R3086 ...

Page 37: ...432 0 18R 2W R426 0 18R 2W R435 0 18R 2W R429 0 18R 2W R438 0 18R 2W R427 0 18R 2W R436 0 18R 2W R424 0 18R 2W R433 0 18R 2W R421 0 18R 2W R430 0 18R NF NF NF NF NF NF 0W125 R416 1K1 0W125 R415 1K1 0W125 R420 1K1 0W125 R447 1K1 0W125 R442 1K1 0W125 R443 1K1 0W125 R402 10K 0W125 R403 10K 0W125 R405 10K 0W125 R406 10K 0W125 R407 10K 0W125 R408 10K 0W125 R409 10K 0W125 R410 10K 0W125 R411 10K 0W125 R...

Page 38: ...9 D502 BAV99 D500 BAV99 DGND TR500 MMUN2111LT1 0W063 R502 4K7 DGND DC OFFSET DC OFFSET DETECTION 14V OUT L OUT R 0W125 R510 3K9 TR501 BC847B TR503 BC857B P500 P513 P502 P511 P506 P501 P515 P503 0W125 R500 100K 0W125 R507 100K 65V SHORT L1 SHORT R1 0W125 R506 120K TR504 MMUN2211LT1 DGND OVER CURRENT DETECTION 0W063 R504 4K7 PA SHORT SHORT L2 SHORT L3 SHORT R2 SHORT R3 100V C500 100N TR502 MMBTA92L ...

Page 39: ... C613 100N 50V C615 100N 50V C609 100N 50V C605 100N 0W063 R607 10M0 0W063 R609 10M0 0W063 R619 10M0 0W063 R617 10M0 0W063 R627 10M0 0W063 R629 10M0 AGND AGND AGND AGND AGND AGND AGND NF NF NF P601 P603 P607 P615 P609 P611 P605 P613 P621 P623 P617 P619 BIAS R1 BIAS R1 BIAS R1 BIAS R1 AGND BIAS R2 BIAS R2 BIAS R2 BIAS R2 BIAS R2 BIAS R3 BIAS R3 BIAS R3 BIAS R3 BIAS R3 2 3 1 IC604A DG412DY T1 E3 6 7...

Page 40: ...EN 40 EN 40 L283 PSU PCB Issue 1 ...

Page 41: ...C7 2K233X 2 A Capacitor X2 PP 275V 220NF Low Profile C5 C6 2K422B 2 1 Capacitor SM 0603 NPO Ceramic 5 50V 10N C12 C14 C16 C20 C24 C3 2LA310 6 1 Capacitor Low Impedance Radial Electrolytic 10mm Dia 5mm Pitch 470UF 16V RoHS OK C1 C18 C21 C22 2RX747B 4 1 Diode SM Small Signal BAS21 SOT 23 RoHS D1 D2 3AS21 2 1 Transistor NSS20101 SOT23 Package TR1 TR2 4A20101 2 1 IC Voltage Regulator 3 3V LM1117MPX 3 ...

Page 42: ...N7 8K3802 1 A CON JST VH Series Vertical 2Way 3 way header middle pin not fitted CON2 8K3816 1 1 Con Single ROW Hdr 0 1IN Vertical 2WAY CON4 CON6 8K6201 2 1 Fuseholder 20MM PCB This part is now rated to 6 3A FHLDR1 FHLDR2 FHLDR3 8S004 3 1 Switch Slide Volt Sel Chily SW1 A1408 1 1 Relay 2P2T 5V RLY1 RLY2 A219 2 3 Fuse Littelfuse T500mA 20MM FS1 C21105T 1 A Fuse Littelfuse T6 3A 20MM FS2 FS3 C21263T...

Page 43: ...NS INPUT PCB L283PB PCB1 1 1 FIX1 Dia 3 2mm 1 FIX2 Dia 3 2mm 1 FIX3 Dia 3 2mm 1 FIX4 Dia 3 2mm 1 2 VH CON2 JST 1 FIX5 Dia 3 2mm 1 FIX6 Dia 3 2mm 1 2 3 4 5 6 PH CON3 JST PA TEMP T2 DGND T2 50V C8005 100N 50V C8007 100N 0W125 R8015 1K0 3V3 STBY T2 DGND T2 Vs 4 Vout 3 GND 2 GND 5 IC8000 LMT89DCKR 1 FIX8000 Dia 3 2mm 1 2 3 PH CON8000 JST PA TEMP T1 3V3 STBY T1 DGND T1 50V C8006 100N 50V C8008 100N 0W1...

Page 44: ...EN 44 L308 Lifter PCB Issue 1 ...

Page 45: ...1 Resistor Carbon Film 2W 5 1K5 R17 R20 1C215 2 0 Resistor 0805 Surface Mount Thin Film 0 125W 1 10K R10 R11 R24 R6 R7 R8 R9 1MA310 7 1 Resistor 0603 Surface Mount 0 063W 1 33R R14 R23 1N033 2 1 Resistor 0603 Surface Mount 0 063W 1 330R This part is RoSH compliant R38 R39 1N133 2 1 Resistor 0603 Surface Mount 0 063W 1 1K0 R12 R21 R55 R57 1N210 4 1 Resistor 0603 Surface Mount 0 063W 1 22K R13 R22 1...

Page 46: ...000UF 50V C12 C22 2N922 2 1 Diode Surface Mount Small Signal BAS16 SOT 23 Package D7 D8 3AS16 2 1 Diode SM Small Signal BAS21 SOT 23 RoHS D1 D3 D4 D6 3AS21 4 1 Diode Bridge Rectifier GSIB2520 Plastic Package 25A 200V RoHS compliant DBR1 DBR2 3BGS25 2 1 BZX84B3V3 SOT 23 Package DZ4 3CWB3V3 1 1 BZX384B3V3 SOD 323 Package This part is RoHS compliant DZ3 3CXB3V3 1 1 BZX384B5V1 SOD 323 Package This par...

Page 47: ...nsor Natsemi LM19 TO 92 Package IC1 IC2 5MLM19 2 1 Ferrite Bead SM0603 120R 100MHz L1 L10 L11 L12 L2 L3 L4 L5 L6 L7 L8 L9 7F013 12 1 Con Minifit HCS 6WAY CON3 8K2306 1 1 Con Minifit HCS 8WAY CON1 8K2308 1 1 Con JST XH Series Socket 6WAY Vertical CON4 8K3706 1 1 Con JST XH Series Socket 8WAY Vertical CON2 8K3708 1 1 Blank PCB L284PB AMP019 Lifter PCB PCB1 L284PB 1 1 End of Assembly 163 items Report...

Page 48: ...TARGND DEC L STARGND DEC L P18 P16 P23 P22 P31 P30 P26 P29 P28 P27 P32 P36 P17 P34 P33 P19 P8 P1 P44 P43 P53 P54 P56 P63 P64 P20 P24 P21 P25 P2 P3 P4 P5 P6 P7 P14 P13 P12 P11 P10 P9 P15 P35 P37 P38 P39 P40 P41 P42 P45 P46 P47 P51 P60 P55 P57 P48 P49 P50 P62 P65 P58 P59 P66 P61 P52 P68 P67 FD1 FD2 BEC1 BEC2 FD3 FD4 TOOL1 TOOL2 TOOL3 TOOL4 TOOL5 TOOL6 2W R32 0 18R 2W R46 0 18R 2W R52 0 18R 2W R2 0 1...

Page 49: ...EN 49 L285 Front Panel PCB Issue 1 ...

Page 50: ... SM RGB 1 6x1 6mm LED1 3D041 1 1 LED 0603 WHITE LNJ037X8ARA LED2 3D042 1 1 Digital Transistor MMUN2211LT1 SOT23 Package TR1 TR2 TR3 4D10KN 3 1 CON JST VH Series Horizontal 2Way 3 way header middle pin not fitted CON2 8K3813 1 1 Con 1 00MM Horiz SM FFC 8WAY CON1 8K8408 1 1 SW Push Mains Kings Tech 8A SPST PS4 A120 60 SW3 A1024 1 1 Switch Tact SM SW1 SW2 A1505 2 1 Blank PCB L285PB AMP019 Front Panel...

Page 51: ... 2mm 1 FIX2 Dia 3 2mm 1 FIX3 Dia 3 2mm DGND FP 0W063 R9 1K0 NF DGND FP 0W063 R6 1K0 NF DGND FP 0W063 R7 1K0 NF DGND FP 0W063 R8 1K0 NF 1 2 3 4 5 6 7 8 52793 CON1 MOLEX BROWN LIVE 1 SW P45 P44 1 2 VH CON2 JST BROWN TH FUSE SW Mains Switch Blank PCB L285PB AMP019 Front Panel PCB L285PB PCB1 1 S1 NO1 SW3 PS4 A120 60 P11 P12 P13 P7 P8 P9 P2 P3 P4 P5 P6 P10 P1 18_E023 PK 01 08 18 D 0 BoM release for qu...

Page 52: ...EN 52 Overall Dimensions ...

Page 53: ... 0 1 A 6 A 9 D 20 3 90 40 5 E C 4 7 8 C 4 60 70 D 7 100 2 F H B B 2 G 80 10 50 H F A1 DRAWN BY 23425 ALL DIMENSIONS IN MILLIMETERS UNLESS OTHERWISE STATED A R CAMBRIDGE LTD CHECKED BY ORIGINAL SCALE 1 2 5 FINISH DRAWING TITLE PART NUMBER AND DRAWING NUMBER DATE MATERIAL LINEAR TOLERANCE 0 2MM UNLESS OTHERWISE STATED ANGULAR TOLERANCE 1 UNLESS OTHERWISE STATED ECO NR DATE CHG ZONE DESCRIPTION OF CH...

Page 54: ...EN 54 Exploded Drawings ...

Page 55: ... ORIGINAL SCALE 1 4 FINISH 8 50 2 2 8 7 6 D SHT 1 OF 5 7 A R CAMBRIDGE LTD PART NUMBER AND DRAWING NUMBER D 23425 60 E 100 1 3 B C 40 MCM 9 10 2018 PA240 AMPLIFIER MAIN ASSEMBLY B 0 0 A 0 1 A 0 0 MCM MCM MCM A 1 MCM MCM A 0 ITEM 50 NEW CABLE L214CA was L191CA LIGHT PIPE UPDATED TO E847PM2 was E847PM UPDATED PART NUMBERS TO MATCH DB ADDED BADGE REMOVAL HOLE CORRECT FP No SHT 4 SHT 2 SHT 2 13 11 201...

Page 56: ...20 ANGULAR TOL 1 DEGREE 0 70 90 ALL DIMENSIONS IN MILLIMETERS UNLESS OTHERWISE STATED 20 E F 6 DATE DRAWN BY 1 3 F A3 A 4 CHECKED BY 4 MATERIAL B C DRAWING TITLE 10 A 30 ORIGINAL SCALE 1 10 FINISH 8 50 2 2 8 7 6 D SHT 2 OF 5 7 A R CAMBRIDGE LTD PART NUMBER AND DRAWING NUMBER D 23425 60 E 100 1 3 B C 40 MCM 9 10 2018 PA240 AMPLIFIER FASCIA ASSEMBLY B 0 0 A 0 1 A 0 0 MCM MCM MCM A 1 MCM MCM A 0 ITEM...

Page 57: ...WISE STATED 0 0 0 20 ANGULAR TOL 1 DEGREE 0 70 90 ALL DIMENSIONS IN MILLIMETERS UNLESS OTHERWISE STATED 20 E F 6 DATE DRAWN BY 1 3 F A3 A 4 CHECKED BY 4 MATERIAL B C DRAWING TITLE 10 A 30 ORIGINAL SCALE 1 4 FINISH 8 50 2 2 8 7 6 D SHT 3 OF 5 7 A R CAMBRIDGE LTD PART NUMBER AND DRAWING NUMBER D 23425 60 E 100 1 3 B C 40 MCM 9 10 2018 PA240 AMPLIFIER PSU INPUT PCB B 0 0 A 0 1 A 0 0 MCM MCM MCM A 1 M...

Page 58: ... GUIDE PCB 1 80 5 5 TOLERANCES UNLESS 0 00 0 10 OTHERWISE STATED 0 0 0 20 ANGULAR TOL 1 DEGREE 0 70 90 ALL DIMENSIONS IN MILLIMETERS UNLESS OTHERWISE STATED 20 E F 6 DATE DRAWN BY 1 3 F A3 A 4 CHECKED BY 4 MATERIAL B C DRAWING TITLE 10 A 30 ORIGINAL SCALE 1 3 FINISH 8 50 2 2 8 7 6 D SHT 4 OF 5 7 A R CAMBRIDGE LTD PART NUMBER AND DRAWING NUMBER D 23425 60 E 100 1 3 B C 40 MCM 9 10 2018 PA240 AMPLIF...

Page 59: ...187CA CABLE LIFTER to POWER AMP POWER 1 59 L192CA CABLE TEMP SENSOR 1 1 60 L193CA CABLE TEMP SENSOR 2 1 80 5 5 TOLERANCES UNLESS 0 00 0 10 OTHERWISE STATED 0 0 0 20 ANGULAR TOL 1 DEGREE 0 70 90 ALL DIMENSIONS IN MILLIMETERS UNLESS OTHERWISE STATED 20 E F 6 DATE DRAWN BY 1 3 F A3 A 4 CHECKED BY 4 MATERIAL B C DRAWING TITLE 10 A 30 ORIGINAL SCALE 1 3 FINISH 8 50 2 2 8 7 6 D SHT 5 OF 5 7 A R CAMBRIDG...

Page 60: ...WWW ARCAM CO UK THE WEST WING STIRLING HOUSE WATERBEACH CAMBRIDGESHIRE CB25 9PB 44 0 1223 203200 ...

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