TECHNICAL MANUAL FOR COMPACT VHF DSC RM2042

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3 SERVICE <strong>RM2042</strong>INTEGREATED CIRCUIT, DIGITAL:68HC000 (68-LEAD PLCC PACKAGE)*DTACK*BG*BGACK*BRVCCCLKGNDGNDNC*HALT*RESET*VMAE*VPA*BERR*IPL2*IPL110111213 5714 5615161718192021222324252627 987654321686766656463626160595855D13D14D15GNDGNDA2354 A22TOP VIEW53 A2152 VCC51 A2050 A1949 A1848 A1747 A1646 A1545 A1444 A13*PL0FC2FC1FC0NCA1A228293031323334353637383940414243A3A4A5A6A7A8A9A10A11A12R/W*LDS*UDS*ASD0D1D2D3D4D5D6D7D8D9D10D11D12MSM5165/OKI & HM6264/HITACHI (28-LEAD FLAT-PACK)27PC512 (28-LEAD PLCC PACKAGE)A0A1A2A3A4A5A61110987650A74A829AA9A10A11A12A13A14A1528242733031215*E23(PWR DWN)AAAAAAAA134151819202122Q1Q2Q3Q4Q5Q6Q7Q8*G/VPP25&ENPAGE 3-149403
3 SERVICE <strong>RM2042</strong>28C64A (32-LEAD PLCC PACKAGE)71051/NEC & 82C51/OTHERS (28-LEAD PLCC PACKAGE)71054/NEC & 82C54/OTHERS (28-LEAD PLCC PACKAGE)9403PAGE 3-15
Page 1: TECHNICAL MANUALFORCOMPACT VHF DSC
Page 5: RM2042CONTENTS1 INTRODUCTION1.1 GEN
Page 9 and 10: RM20421 INTRODUCTIONThe RM2042 VHF
Page 11 and 12: 1 INTRODUCTION RM20421.2 TECHNICAL
Page 13 and 14: 1 INTRODUCTION RM2042LASTThis butto
Page 15: 1 INTRODUCTION RM2042MICROPROCESSOR
Page 19: RM2042CONTENTS2 INSTALLATION2.1 MOU
Page 22 and 23: 2 INSTALLATION RM2042H2067 MOUNTING
Page 24 and 25: 2 INSTALLATION RM2042This mounting
Page 27 and 28: 2 INSTALLATION RM20422.5 ELECTRICAL
Page 29: RM2042CONTENTS3 SERVICE3.1 MAINTENA
Page 32 and 33: 3 SERVICE RM20423.3 PROPOSAL FOR NE
Page 34 and 35: 3 SERVICE RM2042CHECK OF RECEIVER S
Page 36 and 37: 3 SERVICE RM2042CHECK OF TX AF DIST
Page 38 and 39: 3 SERVICE RM20423.6.3 ADJUSTMENT OF
Page 40 and 41: 3 SERVICE RM20423.9 NECESSARY ADJUS
Page 42 and 43: 3 SERVICE RM20423.10 PIN CONFIGURAT
Page 46 and 47: 3 SERVICE RM204271055/NEC & 82C55/O
Page 48 and 49: 3 SERVICE RM204274HC32 (SO-14 PACKA
Page 51: RM2042CONTENTS4 MECHANICAL DESCRIPT
Page 55: RM2042CONTENTS5 CIRCUIT DESCRIPTION
Page 58 and 59: 5 CIRCUIT DESCRIPTION AND SCHEMATIC
Page 85: RM2042CONTENTS6 MICROTELEPHONE INST
Page 88 and 89: 6 MICROTELEPHONE INSTALLATION RM204
Page 95 and 96:
RM20427 PARTS LISTVHF DSC RM2042 SA
Page 97 and 98:
7 PARTSLIST RM2042POSITION DESCRIPT
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
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