Mobile Base MCH–8 Technical Documentation [This page intentionally left blank] Page – 10 Original 50/96
Mobile Base MCH–8 Technical Documentation Assembly Parts ITEM 1 2 3 4 5 6 7 8 9, 10 11 12 13 15 15 15 15 16 17 18 C1 Q’TY 2 2 2 2 4 2 Original 50/96 CODE DESCRIPTION VALUE, TYPE 9450280 9460094 9460093 9460095 9450278 9460135 6400088 9560013 9780089 9780088 9450279 6293010 9380154 9380154 9380154 9380154 6400318 6293447 9560012 0200182 Front cover 1D 23116 Synchro element 1D 23119 Locking knob 1D 23118 Release slide 2D 23357 Release button 1D 23117 Pushing slide 1D 24549 Slide spring 4D 24036 Sp
Mobile Base MCH–8 Technical Documentation Exploded View Page – 8 Original 50/96
Mobile Base MCH–8 Technical Documentation Parts List of DH1 (Version 1.3) Code: 0200182 ITEM CODE DESCRIPTION R102 R103 R107 R108 C101 C102 C103 C104 C105 C106 C107 C108 C109 L103 L104 L106 X101 X102 1413924 1413917 1413924 1411645 2310343 2310343 2310343 2310343 2310343 2310784 2310343 2310343 2310424 3641306 3606946 0164030 5469778 5416638 9853923 9853923 Chip resistor 220 Chip resistor 150 Chip resistor 220 Chip resistor 560 Ceramic cap. 22 p Ceramic cap. 22 p Ceramic cap. 22 p Ceramic cap.
Mobile Base MCH–8 Technical Documentation Circuit Diagram of DH1 (Version 6.
Mobile Base MCH–8 Technical Documentation 5 M2BUS Serial mbus data between handportable, accessories and junction box 6 HOOK NC 7 PHFS NC 8, 16 VC Supply voltage/charging current for handportable 12 V ±1 V or 800 mA ±70 mA 9 GND Ground 10 XEAR Audio signal from handportable to junction box, current sink from this pin to handportable turns on +5 V supply voltage in junction box 11 DSYNC NC 12 RDA NC 13 BIND 14 VF NC 15 DCLK NC Functional Description The DH1 module contains f
Mobile Base MCH–8 Technical Documentation Technical Specification Modes of Operation When handportable is in the MCH–8 holder unit audio signals turn to junction box and rf signal to booster or mobile antenna. Also battery of handportable is charged by junction box through MCH–8. External Signals and Connections Mobile base module DH1 has two external connectors, the handportable connector X101 and the junction box connector X102.
Mobile Base MCH–8 Technical Documentation Mobile Base MCH–8 Introduction MCH–8 is the holder unit of the handportable in a mobile environment. The main function of the MBH–8 is to secure the phone firmly in the car and provide a basis for the connection of signals between the phone and the accessories. It connects handportable to junction box, booster and mobile antenna. MCH–8 Technical Summary HF operations are possible when transceiver is installed into the mobile base with the HFJ–3 junction box.
Mobile Base MCH–8 Technical Documentation CONTENTS Mobile Base MCH–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
After Sales Technical Documentation Mobile Base MCH–8 Original 50/96 NMP Part No.