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Summary of Contents for Ecler MPA280
- Page 1 MPA280 SERVICE MANUAL...
- Page 2 SERVICE MANUAL MPA280 INDEX - BLOCK DIAGRAM - SCHEMATICS - COMPONENTS LOCATION SCHEMA - TESTING AND QUALITY CONTROL - TECHNICAL CHARACTERISTICS - WIRING DIAGRAM - MECHANICAL DIAGRAM - PACKING DIAGRAM...
- Page 9 PARTS LIST: PRINTED CIRCUIT 11.0649 REV: MODEL: MPA280 DRW.Nº 33.0259 and 260PL REPLACES: DATE: 15.01.98 SHEET 1 OF REPLACED BY: REFERENCE VALUE CODE C101 22µ/35 FCCE200220 C102 C100p FCXCN21000 C103 22µ/35 FCCE200220 C104 C100p FCXCN21000 C105 22µ/35 FCCE200220 C106 C100p...
- Page 10 PARTS LIST: PRINTED CIRCUIT 11.0649 REV: MODEL: MPA280 DRW.Nº 33.0259 and 260PL REPLACES: DATE: 15.01.98 SHEET 2 OF REPLACED BY: REFERENCE VALUE CODE C159 FCXCN40330 C160 470n FCXCN44700 C161 470n FCXCN44700 C162 22µ/35 FCCE200220 C163 10µ/50 FCCE200220 C164 10µ/50 FCCE200220 C165 22µ/100...
- Page 11 PARTS LIST: PRINTED CIRCUIT 11.0649 REV: MODEL: MPA280 DRW.Nº 33.0259 and 260PL REPLACES: DATE: 15.01.98 SHEET 3 OF REPLACED BY: REFERENCE VALUE CODE IC102 TL072 FCIC072010 IC103 TL072 FCIC072010 IC104 TL072 FCIC072010 IC105 TL072 FCIC072010 IC106 TL072 FCIC072010 IC107 TL072...
- Page 12 PARTS LIST: PRINTED CIRCUIT 11.0649 REV: MODEL: MPA280 DRW.Nº 33.0259 and 260PL REPLACES: DATE: 15.01.98 SHEET 4 OF REPLACED BY: REFERENCE VALUE CODE R128 MF1k FCXR131000 R129 MF1k FCXR131000 R130 MF340k FCXR153400 R131 MF1k FCXR131000 R132 FCXR031500 R133 MF1k FCXR131000...
- Page 13 PARTS LIST: PRINTED CIRCUIT 11.0649 REV: MODEL: MPA280 DRW.Nº 33.0259 and 260PL REPLACES: DATE: 15.01.98 SHEET 5 OF REPLACED BY: REFERENCE VALUE CODE R186 FCXR033000 R187 20 Ohms FCXR012000 R188 20 Ohms FCXR012000 R189 20 Ohms FCXR012000 R190 20 Ohms...
- Page 14 NORMS FOR CHECKING THE MPA POWER AMPLIFIER. - Connect a charge of 4Ω in each output channel CH1 CH2, CH3 and CH4 - Put the SIGNAL INPUT button on CH4 MONO - Put a 1 kHz 0dB signal in INPUT CH1 - Check that the 4 signal present and 4 clip led indicators are on.
- Page 15 MPA280 QUALITY CONTROL. We will use a mixer with unbalanced output and a nominal output level of 1V RMS as the signal source for our tests. Connect the mixer outputs to the power amplifier inputs. Plug the power amplifier to mains (check that its specified voltage matches that of mains) and make sure that SP and the power switch LEDs all light up .
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Page 16: Technical Characteristics
TECHNICAL CHARACTERISTICS Output power (WRMS, 20Hz-20kHz, 1% THD) 1 Channel 4 Ohm 4 Channels 4Ohm 4x55W 4 Channels 8 Ohm 4x40W 2 Channels 8 Ohm 2x112W Frequency response @ max output power(-1dB) 12Hz - 200kHz Harmonic Dist. + Noise @ 1kHz <0.06% Intermodulation distortion (SMPTE) 50Hz and 7kHz @ 4:1 ratio, nominal power... - Page 19 PARTS LIST: MECHANICAL DIAGRAM REV: MODEL: MPA280 DRW.Nº 30.0085 REPLACES: DATE: 17.03.98 SHEET REPLACED BY: QUANTITY VALUE CODE FRONT PANEL WD.00.2243 FCMECMPA30 LOWER COVER WD.00.2240 FCMECMPA20 REAR PANEL WD.00.2254 FCMECMPA60 COVER WD.00.2241 FCMECMPA50 LEFT LATERAL WD.00.2242 FCMECMPA40 RIGHT LATERAL WD.002242...
- Page 21 REPLACES: DATE: 18.05.98 SHEET REPLACED BY: QUANTITY VALUE CODE METAL WASHER 5x11.5x0.8 FCARN50000 WASHER AT 5x11.5x3.5 ABS FCARAT3000 PACKING BOX MPA280 FCCAJP8800 FUSE T 6.3A FCFUS50180 BASE ADHESIVE FCPIE11255 PROTECTING M872/1 FCCANT0075 BAG FOR MANUAL 120x180mm FCBOL00200 PLASTIC BAG 43x60cm...