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Alto AU-800P Service Manual

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MODEL: AU-800P
www.altoproaudio.com
Version 1.0
Revised on Jan,2010

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Summary of Contents for Alto AU-800P

  • Page 1 MODEL: AU-800P www.altoproaudio.com Version 1.0 Revised on Jan,2010...

  • Page 2: Table Of Contents

    CONTENTS 1. Introduction..........................1 2. Specification..........................3 3. Block Diagram..........................4 4. Schematic Diagram........................5 5. Wiring Diagram........................7 6. PCB Layout..........................8 7. Test Procedure........................10 8. Exploded View & Mechanical Parts List.................12 9. BOM List..........................14...

  • Page 3: Introduction

    Impedance: 300 + 20% at 1kHz Sensitivity: -71dB 3dB Direction: Omni-directional For the AU-800P, there are several types of clip microphone are included in this product range, please make sure that the proper microphone has been selected for your typical sound reinforcement system before installation.
  • Page 4 HM-58, Condenser microphone Preset impedance: 700ohm; Freq. response: 200-8KHz; Sensitivity: -65dB at 1KHz; Directional: Uni-directional; Weight: 54g (0.12Ib) Main features: -AU-800R, PLL UHF Diversity Receiver, -Friendly interface of front panel LCD status display; -Auto Scan function for easy and convenient operation; -Switching diversity control to receive the RF signal;...

  • Page 5: Specification

    DC 15V/ 500mA (AC 115V/230V 50/60Hz adaptor) Power supply 210(W) *55 (D)* 44(H)mm; (8.2"* 6.1"*1.7'') Dimensions 0.99Kg Weight MODEL AU-800H AU-800P Specification Oscillation mode PLL UHF SYNTHESIZED UHF 470-900 MHz Dependent on applicable country regulations Carrier frequency band 50 Hz-15KHz ( +/-3dB) Frequency response Frequency stability +/-0.005% (-10...

  • Page 6: Block Diagram

    3. Block Diagram --- 4 ---...

  • Page 7: Schematic Diagram

    4. Schematic Diagram --- 5 ---...
  • Page 8 --- 6 ---...

  • Page 9: Wiring Diagram

    5. Wiring Diagram --- 7 ---...

  • Page 10: Pcb Layout

    6. PCB Layout --- 8 ---...
  • Page 11 --- 9 ---...

  • Page 12: Test Procedure

    7. Test Procedure AU-800P Finished Product Test Procedure Test Instruments 1. Signal Generator: 8903B 2. Oscilloscope: LS8106 3. Modulation Meter: JMM-2200 4. Frequency counter: EFC-3203A 5. DC Power Supply: 3303A. 6. Digital Multi-meter 7. Frequency Spectrum: E4403B Settings 1. Signal Generator: 1kHz/65mV.
  • Page 13 6.1. Switch the key CH/ON and adjust to proper position, then switch SELECT to check if there’ s any change. 6.2. Switch the key CH/On to “ LOCK” , SELECH key invalid. Then switch CH/On to “ UNLOCK” , SELECT key can function normally. 6.3.

  • Page 14: Exploded View & Mechanical Parts List

    8. Exploded View & Mechanical Parts List MODEL No: AU-800P --- 12 ---...
  • Page 15 Mechanical Parts List Part No Description Specification NI04125 LCD cover-transparent PC MOD-16P 7*43*67.82_V1.0 NI04304 ZC-top cover-ABS AU-800P ALTO_V1.0 HF00052 Antenna-RS YH940805 4*82.4mm MK00114 Spring tab-battery point UP-8P 0.3t*17*12*1.6 (+)_V1.0 MK00113 Spring tab-battery point UP-8P 17*12*10 (-)_V1.0 MK00112 Spring tab-battery point UP-8P 25.5*10.5*10*1.6 ±_V1.0...

  • Page 16: Bom List

    Description Specification Insert location Remark PE02297 MICROPHONE AU-800P(LV)_F7_ALTO NI04125 acrylic panel-RS MOD-16P 7*43*67.82_V1.0 0001 0002 NI04304 top cover AU-800P ALTO_V1.1 0003 NI04191 bottom cover UP-8P 12*69*91.1_V1.0 MK00112 spring piece-RS UP-8P 25.5*10.5*10*1.6 ±_V1.0 0004 0005 MK00113 spring piece-RS UP-8P 17*12*10_V1.1 0006...
  • Page 17 Class Part No Description Specification Insert location Remark 0011 SF00078 transistor DTC614TU(UMT3)/(ROHM) Q10,Q13 0012 SF00067 transistor-RS-ACT BFG425W/(PHI) Q3,Q6,Q7,Q8,Q12 0013 SF00068 transistor 2SK2731-T146/(ROHM) 0014 SF00062 transistor-RS-ACT 2SC4226-T1B(R25)(SC70)/(NEC) Q1,Q11 0015 SF00069 transistor RTR030P02-TL(TSMT3)/(ROHM) 0016 SF00073 transistor AD8541ART(SOT23)/(ADI) 0017 SE00006 SMD varactor 1SV270 0018 SG00007 SMD integrated circuit MB15E03SLPFV-ER(SOP16)/(FUJTTSU)
  • Page 18 Class Part No Description Specification Insert location Remark 0077 CI00049 SMD ceramic capacitor 0603 15PF/50V C0G±5%(C1608C0G1H150JT)/TDK C67,C120,C138 0078 CO00093 SMD inductance 5.6nH±0.2nH(LQW18AN5N6C00D)/(MURATA) L2,L8 0079 CO00095 SMD inductance 100nH±5%(SWI0603CTR10J)/(AOBA) 0080 CL00011 SMD tantalum capacitor-RS-ACT 100uF/10V case C C119 0081 CO00097 SMD inductance-RS 80 ±25%(MLB-160808-0080A-N2)/(MALA) T1,T4,T5,T7,T10,T11 C1,C3,C4,C5,C18,C24,C49,C61,C62,...

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