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| 8. | 7. | (+) / (±) indicate A. |
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W1 TESTCIRCUIT | W3 10 μF,10V 1 kHz | 30.1K | 6. . . . . Standard symbolsindicatevoltagesformicon. Symbols with dark edges indicatevoltagesformicoff(seenote 4). Note: Mic is truned off byholdingthemembraneswitch closed, shorting J4. W2 | 5. . . . . . All voltagesmeasuredwithameteroroscilli- scope having 10 megaohm orgreaterinputimpedancewith preamp input driven by a 0.1Vrms,1kHzsignalthroughthe test circuit shown below. A ShureM367mixerorequivalent, with 48 V phantom power switchedon,suppliestherequired power and load to the preamp.Valuesshownmayvary+/± 20%. |
| D.C. Voltage | |
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LogicGround | CaseGround | ||||||
| 0.1Vrms | 1.82K |
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| C.polarityrelativetoinputtest |
| D.C.Voltage, |
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| signal. |
| Mic Off |
3. 1. . . . . . All resistors1/10 Watt, 1%, 0805 unless otherwise specified. 4. 2. . . . . . Electrolytic capacitors shown in μF, ±10%, 50V or more, unless otherwise specified. 5. 3. . . . . . The elements U1E and U2C designate Pow- er (+Vcc) and Ground Terminals only the corresponding ICs. 6. 4.A.C. . . . .Voltage. The A.C.followingVoltage,symbolsMic Offdenote: Printed Clrcuit | NOTES: |
Ground |
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approximately 3 m
(10 ft)
MX412D: 355.4 mm (14 in.)
MX418D: 501.7 mm (19 3/4 in.)
102.1mm (4 9/16 in.)
50.8 mm
(2 1/32 in.)
161.9mm (6 3/8 in.)
FIGURE 5 •FIGURE 5 •ABBILDUNG 5
•FIGURA 5 •FIGURA 5
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| RED ROUGE ROT ROJO ROSSO |
| BLACK NOIR SCHWARZ NEGRO SCHEMATURA |
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+Vcc+Vcc+Vcc
NOT INSTALLED
+Vcc |
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc
+Vcc | FIGURE 6 •FIGURE 6 •ABBILDUNG 6 |
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| FIGURA 6 •FIGURA 6 |
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| RED (+) | ORANGE NARANJA ARANCIA |
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| ROUGE | LED IN S ENTREE DEL S LED EIN |
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+Vcc | ROT | ENTRADA DE LED S INGRESSO LED |
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ROJO |
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SHIELD | ROSSO | WHITE S BLANC S WEISS- |
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BLINDAGE |
| BLANCOS BLANCA |
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SCHILD |
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| SWITCH OUT S COUPURE |
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BLINDAJE |
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| AUSCHLATER AUS |
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SCHEMATURA |
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| BLACK- | SALIDAD DE INTERUPTER |
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| USCITA INTERUTORE |
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| NOIR |
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| SCHWARZ- |
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| NEGRO | GREEN S VERT S GRUN SVERONE |
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| NERO | LOGIC GROUND S MASSE LOGIQUE S LOGISCHE ERDE | |
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| STIERRA DE CIRCUITOS LOGICOS S MASSA LOGICA | |
CABLE TYPE S TYPE DE CABLE S KABLTYP S TIPO DE CABLE | |||
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| TIPO DE CAVO |
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| FIGURE 7 •FIGURE 7 •ABBILDUNG 7 | ||
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| FIGURA 7 •FIGURA 7 |
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WHITE/SHIELD BLANC/BLINDAGE WEIû/SCHILD |
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BLANCO/BLINDAJE BIANCO/SCHERMATURA |
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RED ROUGE ROT ROJO ROSSO |
| 220 pF | W3 |
BLACK NOIR SCHWARZ NEGRO NERO |
| ||
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| FET |
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| W2 |
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| 220 pF |
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| 86E8958 | W1 |
MIC |
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|
ELEMENT |
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| SHIELD BLINDAGE SCHILD BLINDAJE SCHERMATURA | |
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| RED ROUGE ROT ROJO ROSSO |
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| BLACK NOIR SCHWARZ NEGRO NERO |
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| MICROPHONE WIRING DIAGRAM | |
FIGURE 9 •FIGURE 9 •ABBILDUNG 9 •FIGURA 9 •FIGURA 9 | FIGURE 8 •FIGURE 8 •ABBILDUNG 8 | |
FIGURA 8 •FIGURA 8 | ||
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12