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Ver 1.0  2000.01

MICROFILM

ECM-330/360

SERVICE MANUAL

ELECTRET CONDENSER MICROPHONE

SPECIFICATIONS

US Model

AEP Model

ECM-330/360

E Model

ECM-330

Photo : ECM-330

Summary of Contents for ECM-330

Page 1: ...Ver 1 0 2000 01 MICROFILM ECM 330 360 SERVICE MANUAL ELECTRET CONDENSER MICROPHONE SPECIFICATIONS US Model AEP Model ECM 330 360 E Model ECM 330 Photo ECM 330 ...

Page 2: ... 2 SECTION 1 GENERAL LOCATION AND FUNCTION OF CONTROLS This section is extracted from instruction manual ...

Page 3: ... following procedure Set Case ASSY microphone Switch board Translation board ECM 330 only 5 Remove solder Frame Grip 3 Screw KTP 2x5 4 2 1 Case ASSY microphone Lead wire Black 5 Remove solder 5 Remove solder 3 Claws 1 Claw 6 Spring ground 1 Claw White White Black Cover B Black Black Red White ECM 360 only Black ECM 360 White ECM 330 Switch board Orange Red 4 2 1 Claws Frame ...

Page 4: ...TRANSLATION BOARD ECM 330 ONLY 5 Remove solder 6 Remove solder 7 Claw 7 Claw Sheet blind 1 Claw 1 Claw White Cover A Core wire Translation board Bushing Plug P1 Orange 2 4 3 8 Frame Ground wire Bushing holder ...

Page 5: ...or Location Note on Schematic Diagram Note All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified U B Line Power voltage is dc 1 5V and fed with regulated dc power supply from battery terminal Voltages are dc with respect to ground under no signal conditions Si...

Page 6: ...nents used on the set XX X mean standardized parts so they may have some difference from the original one RESISTORS All resistors are in ohms METAL Metal film resistor METAL OXIDE Metal oxide film resistor F nonflammable Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items SEMICONDUCTORS In each case u µ for exam...

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