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MICROFILM

SERVICE MANUAL

WIRELESS MICROPHONE SYSTEM

US Model

Canadian Model

SPECIFICATIONS

WCS-999

Transmitter

Receiver

Ver 1.0 1999. 09

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Содержание WCS999 - Wireless Camcorder Microphone

Страница 1: ...MICROFILM SERVICE MANUAL WIRELESS MICROPHONE SYSTEM US Model Canadian Model SPECIFICATIONS WCS 999 Transmitter Receiver Ver 1 0 1999 09 ...

Страница 2: ... Section 11 4 3 Printed Wiring Boards TX Section 13 4 4 Schematic Diagram TX Section 15 4 5 Printed Wiring Boards RX Section 17 4 6 Schematic Diagram RX Section 19 5 EXPLODED VIEWS 23 6 ELECTRICAL PARTS LIST 25 Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat ...

Страница 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

Страница 4: ...G Note Follow the disassembly procedure in the numerical order given SECTION 2 DISASSEMBLY 1 two screws P2 6 4 TX board 3 case upper 2 two claws 3 case lower TX board case upper antenna case upper rear view cushion lower switch ...

Страница 5: ... 5 RX BOARD ANTENNA SETTING 3 case upper 2 two claws 3 case lower 1 two screws P2 6 4 RX board antenna case upper case upper rear view RX board cushion lower switch ...

Страница 6: ...e value of frequency counter satisfy specified value Specified values CH 1 912 78 MHz to 912 92 MHz CH 2 913 68 MHz to 913 82 MHz CH 3 914 28 MHz to 914 42 MHz Note Tool 1 4 λ sleeve antenna Production procedure 1 Cut about 80 mm of the outer cover at the other end of an approximately 2 meter coaxial cable 1 5D 2V or the equiva lent with a BNC connector 2 Pull back the outer cover and fold the wir...

Страница 7: ...hat the value of digital voltmeter satisfy specified value 6 Set the RF CHANNEL switch SW51 to 3 7 Confirm that the value of digital voltmeter satisfy specified value Specified values CH 2 1 16 V to 1 20 V CH 1 0 87 V to 0 89 V CH 3 1 37 V to 1 39 V 5 TX Modulation Sensitivity Adjustment Setting Procedure 1 Connect an AF OSC to the MIC jack J1 on the TX BASE board transmitter unit 2 Connect the RE...

Страница 8: ...LEVEL RV51 VCO VOLTAGE CT1 TX MODULATION SENSITIVITY RV1 3 LOW PASS FILTER OSC Q101 OSC BUFFER IC52 FREQUENCY DOUBLER Q1 LINE FILTER LF101 RF AMP Q2 3 MULTIVIBRATOR FOR MUTING Q109 110 REGULATOR Q103 LED DRIVE Q108 VOLTAGE DETECT IC102 DC DC CONVERTER CONTROL SWITCH Q104 105 SWITCHING Q106 CRYSTAL OSCILLATOR PHASE DETECTOR OUTPUT CIRCUIT PWM CONTROL ERROR AMP VREF CHIP ENABLE f N MIC AMP IC1 1 2 B...

Страница 9: ...51 1 2 LINE FILTER LF101 EMI FILTER LF51 LOCAL OSC Q3 LED DRIVE Q101 TUNING METER FM IF AMP FM DISCRIMI NATOR FM FRONT END AF POWER AMP DET AGC RF AMP Q1 MIXER Q4 MIX MIC J52 X1 433 92MHz 1 2 3 POWER SW101 BATT D102 ON OFF DRY BATTERY SIZE AA IEC DESIGNATION R6 1PCS 1 5V SIGNAL METER BUFFER Q151 L1 RF L2 OSC REG 1 25V VREF FM AM FE OUT FM RF IN FM IF IN FM DISCRI DET OUT MUTING Q154 P1 REC OUT VRE...

Страница 10: ......

Страница 11: ...ecified C panel designation U B Line H adjustment for repair Power voltage is dc 1 5 V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal conditions Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage vari...

Страница 12: ......

Страница 13: ...is dc 1 5V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal conditions no mark without the signal receive the signal Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to nor...

Страница 14: ...iven in the last of the electrical parts list NOTE XX and X mean standardized parts so they may have some difference from the original one Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Ref No Part No Description Remark Ref No Part No Description Remark 51 A 4540 594 A CASE RX SUB ASSY 52 2 544 527 11 KNOB C 53 2 544 526 11 KNOB P 54 A 4541 195 A RX...

Страница 15: ...0 25PF 50V C28 1 162 917 11 CERAMIC CHIP 15PF 5 50V C29 1 162 924 11 CERAMIC CHIP 56PF 5 50V C30 1 162 921 11 CERAMIC CHIP 33PF 5 50V C39 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C40 1 162 909 11 CERAMIC CHIP 4PF 0 25PF 50V C41 1 162 910 11 CERAMIC CHIP 5PF 0 25PF 50V C43 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C44 1 162 927 11 CERAMIC CHIP 100PF 5 50V C46 1 162 927 11 CERAMIC CHIP 100PF 5 50V C5...

Страница 16: ... 113 642 11 TANTALUM CHIP 47uF 20 10V C103 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C104 1 113 642 11 TANTALUM CHIP 47uF 20 10V C105 1 115 156 11 CERAMIC CHIP 1uF 10V C151 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C152 1 162 969 11 CERAMIC CHIP 0 0068uF 10 25V C153 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C154 1 126 607 11 ELECT CHIP 47uF 20 4V C155 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C156 1 109 ...

Страница 17: ... 1 164 346 11 CERAMIC CHIP 1uF 16V C5 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C7 1 107 520 11 TANTALUM CHIP 33uF 20 2 5V C8 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C9 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C10 1 135 177 21 TANTALUM CHIP 1uF 10 25V C11 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C12 1 104 851 11 TANTALUM CHIP 10uF 20 10V C54 1 135 180 21 TANTALUM CHIP 3 3uF 20 10V C55 1 164 230 11 CER...

Страница 18: ...825 11 METAL CHIP 2 2K 5 1 16W R103 1 216 839 11 METAL CHIP 33K 5 1 16W R104 1 216 825 11 METAL CHIP 2 2K 5 1 16W R105 1 218 285 11 RES CHIP 75 5 1 16W R106 1 216 849 11 METAL CHIP 220K 5 1 16W R107 1 216 833 11 RES CHIP 10K 5 1 16W R108 1 216 845 11 METAL CHIP 100K 5 1 16W R109 1 218 350 11 RES CHIP 3 9 10 1 2W R110 1 216 833 11 RES CHIP 10K 5 1 16W R111 1 216 809 11 METAL CHIP 100 5 1 16W R112 1...

Страница 19: ... 21 COIL CHIP 10nH L5 1 419 330 21 COIL CHIP 10nH TRANSISTOR Q1 8 729 043 92 TRANSISTOR 2SC5084 0 TE85L Q2 8 729 043 92 TRANSISTOR 2SC5084 0 TE85L Q3 8 729 043 92 TRANSISTOR 2SC5084 0 TE85L RESISTOR R1 1 216 825 11 METAL CHIP 2 2K 5 1 16W R2 1 216 819 11 METAL CHIP 680 5 1 16W R3 1 216 827 11 METAL CHIP 3 3K 5 1 16W R4 1 216 817 11 METAL CHIP 470 5 1 16W R5 1 216 841 11 METAL CHIP 47K 5 1 16W R6 1...

Страница 20: ... 30 WCS 999 Sony Corporation Personal Audio Company 9 927 161 11 99I0519 1 Printed in Japan C 1999 9 Published by General Engineering Dept ...

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