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FMJ P7
7-Channel Amplifi er

Service Manual

ARCAM

Issue 1.0

Содержание FMJ P7

Страница 1: ...P7 FMJ P7 7 Channel Amplifier Service Manual ARCAM Issue 1 0...

Страница 2: ...ription Component overlay 1 0 Parts list 1 1 Circuit diagrams 1 1 Controller board L925 Circuit description Component overlay 1 0 Parts list 1 2 Circuit diagrams 1 2 Transformer specifications L911TX...

Страница 3: ...Technical Specifications Contents Technical specifications Rear panel silk screen...

Страница 4: ...per channel Total harmonic distortion At any level up to rated power into 4 or 8 ohms 0 05 20Hz 20kHz Typically 0 005 at 1kHz Frequency response 0 2dB 20Hz 20 kHz 1dB at 1Hz and 100kHz Residual hum an...

Страница 5: ...ING CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION THIS PRODUCT IS CERTIFIED...

Страница 6: ...Amplifier Board L924 Contents Circuit description Component overlay Parts list Circuit diagrams...

Страница 7: ...mponents that allow for this R236 thru R239 are not presently fitted meaning that RLY101 is not included in the feedback loop SK104 connects to the microcontroller PCB Note that all signals on this co...

Страница 8: ...is configured as an inverting integrator with a time constant of 0 47 seconds Any positive DC offset at the output of the amplifier will cause the output of the op amp to go negative increasing the c...

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Страница 10: ...10 100N C306 2C410 Capacitor SM 1206 X7R Ceramic 50V 10 100N C318 2N710 Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 100UF 25V C319 2N710 Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 100UF 25V...

Страница 11: ...1 1C210 Resistor Carbon Film 2W 5 1K0 R242 1C210 Resistor Carbon Film 2W 5 1K0 R245 1A022 Resistor 1206 Surface Mount 0 25W 1 22R R246 1A022 Resistor 1206 Surface Mount 0 25W 1 22R R247 1A115 Resistor...

Страница 12: ...15N Transistor SAP15NY TR212 4AFMMT497 Transistor FMMT497 SOT23 Package TR213 4AFMMT597 Transistor FMMT597 SOT23 Package TR214 4B1740 Transistor 2SA1740 SOT 89 Package TR215 4CSAP15P Transistor SAP15P...

Страница 13: ...B 0V_SIG 0V_HF THERMPROT SK105 4MM 2W HOR TP100 TP101 TP112 TP111 TP103 TP102 TP104 TP105 TP106 TP107 TP108 TP109 TP110 1 2 PL100 2WVERTJUMPER NB Nets 24V_DIG and 0V_DIG are isolated from amplifier ci...

Страница 14: ...C214 100U EL 100V TR211 SAP15N TR216 SAP15P R250 150R SM R248 150R SM TR212 FMMT497 R257 1K SM R255 6K8 SM R241 1K CF 2W R242 1K CF 2W 3 2 1 8 4 IC200A TL072CD 5 6 7 IC200B TL072CD NFB R229 22R MF R2...

Страница 15: ...FMMT497 R314 100R SM R315 100R SM R333 22K SM D303 BAS16W SM 0V_HF 0V_HF C321 100U NP R334 4K7 SM 0V_DIG EMITTER1 EMITTER2 OUTPUT 55V 55V BASE1 BASE2 R335 22R SM R336 22R SM 1 2 4 3 BR300 BRGBU8D 0V_...

Страница 16: ...Controller Board L925 Contents Circuit description Component overlay Parts list Circuit diagrams...

Страница 17: ...ration The control PCB provides a means of configuring the unit for 115V or 230V operation This is achieved by having 2 connectors marked with the appropriate voltage for each of the units 3 transform...

Страница 18: ...rol Transformer Thermal trip monitoring The main power transformers have thermal trips built into them These are normally closed and go open when the trip temperature is exceeded The trips are put in...

Страница 19: ...onitors the average voltage on the WATCHDOG line and if it falls outside its required voltage then it removes the power supply to the relays which has the effect of muting the amplifier outputs and re...

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Страница 21: ...m Pitch 50V 20 1nF C202 2A210 Capacitor Ceramic 5mm Pitch 50V 20 1nF D100 3B4003 Diode 1N4003 DO 41 Package D101 3B4003 Diode 1N4003 DO 41 Package D102 3B4003 Diode 1N4003 DO 41 Package D103 3B4003 Di...

Страница 22: ...ADER 10WAY R100 1W115A Resistor Axial Wirewound 17W 5 150R R101 1W115A Resistor Axial Wirewound 17W 5 150R R102 1W115A Resistor Axial Wirewound 17W 5 150R R103 1E410 Resistor Carbon Film 1W 5 100K R10...

Страница 23: ...6WAY SK106 8K2306 CON MINIFIT HCS 6WAY SK107 8K2304 CON MINIFIT HCS 4WAY SK108 8K6602 CON KK SERIES 0 1in VERTICAL FRICTION LOCK HDR 2WAY SK109 8K6602 CON KK SERIES 0 1in VERTICAL FRICTION LOCK HDR 2...

Страница 24: ...dge Ltd Pembroke Avenue Cambridge CB5 9PB Waterbeach 23425 Control PCB L925CT1_1 2 SCH Interface PCB L925CT2_1 2 SCH Main Switch and LED Display L925CT3_1 2 sch 1 0 7 02 02 KAL 02_E041 PRODUCTION ISSU...

Страница 25: ...ULT5 FAULT6 FAULT7 FLT_TEMP FLT_VI FLT_DC 22VD_SW GND1 1 2 3 5 6 SK102 MOLEXPWR6 PWM OUT 1 2 3 5 6 SK101 MOLEXPWR6 D101 1N 003 D105 1N 003 D102 1N 003 D106 1N 003 C102 1M0 25V F X105 F XING HOLE 3 5 F...

Страница 26: ...AFLT_VI AFLT_DC AFLT_TEMP ASIG_PRES AFLT_VI AFLT_DC AFLT_TEMP ASIG_PRES AFLT_VI AFLT_DC AFLT_TEMP ASIG_PRES 22VD SW2 GND2 GND2 22VD SW2 GND2 GND2 22VD SW2 GND2 22VD SW2 GND2 AFAULT1 AFAULT2 AFAULT3 A...

Страница 27: ...05 LED RED GRN R310 220R MF R311 220R MF GND3 R G LED306 LED RED GRN R312 220R MF R313 220R MF GND3 GND3 BRED1 BRED2 BRED3 BRED4 BRED5 BRED6 BRED7 BGRN1 BGRN2 BGRN3 BGRN4 BGRN5 BGRN6 BGRN7 MAINS_SW1 F...

Страница 28: ...Transformer Specifications Contents L911TX Power amp 115 230VAC L912TX Aux 115 230VAC L920TX Power amp 100VAC L921TX Aux 100VAC...

Страница 29: ...indings connect to 2 way molex connector 39 01 3028 Use MOLEX pin 44476 3112 MOLEX connectors have pin numbers indicated on them 3 Primary wires are enclosed in a common sleeve Each secondary winding...

Страница 30: ...gths in mm Lengths are 5 0 0 5 Please adhere rubber insulating pad to bottom of transformer as shown Electrical Specification 1 Transformer to have dual 115V primaries to allow parrallel operation for...

Страница 31: ...ry windings connect to 6 way MOLEX connector 39 01 2065 Secondary windings connect to 2 way molex connector 39 01 3028 Use MOLEX pin 44476 3112 MOLEX connectors have pin numbers indicated on them 3 Pr...

Страница 32: ...mmon screen Use PVC sleeving 4 All wire lengths in mm Lengths are 5 0 0 5 Please adhere rubber insulating pad to bottom of transformer as shown Electrical Specification 1 Transformer to have dual 100V...

Страница 33: ...Mechanical Assembly Contents General assembly parts list Assembly diagrams Front panel TX tray Rear panel Chassis...

Страница 34: ...TTOM 1 E910PK CARDBOARD PARTITION FOR MAINS LEAD 1 E911PK CARTON 1 E920PK POLY SHEET 1300x1000mm 350 GAUGE TO PACKAGE UNIT 1 E926MC POWER SWITCH BRACKET MOUNTS SWITCH TO FASCIA 1 E932MC BUSH POWER BUT...

Страница 35: ...T SHAKEPROOF M4 STEEL ZINC PLATE BLACK CHASSIS SAFETY EARTH 1 TRANSFORMER EARTH SCREEN WIRE 1 2 HL5EB WASHER PLAIN M5 STEEL ZINC PLATE BLACK AUX TX TO TRAY MODULE TO TRAY 15 WASHER M3 FIBRE ADHESIVE B...

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Страница 40: ...ARCAM All parts can be ordered via spares arcam co uk Pembroke Ave Waterbeach Cambridge CB5 9PB ENGLAND TEL 44 0 1223 203 203 FAX 44 0 1223 863 384...

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