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M800-00

To Remove Cased Mica Capacitors

A4.1

Copyright TEL

31/08/96

4

To Remove Cased Mica Capacitors

Cased mica capacitors can be removed by heating the top with a heavy-duty soldering
iron and gently lifting the capacitor off the PCB with a solder-resistant spike or equiva-
lent.

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Summary of Contents for T800 II Series

Page 1: ...M800 00 1 Copyright TEL 30 04 98 T800 Series II Ancillary Equipment Service Manual Issue 101 May 1998 M800 00 101 ...

Page 2: ... 911 96 746 0 Fax 49 911 96 746 79 Hong Kong Tait Mobile Radio HK Ltd Room 703A New East Ocean Centre 9 Science Museum Road Tsim Sha Tsui East Hong Kong Phone 852 2369 3040 Fax 852 2369 3009 New Zealand Tait Communications Ltd Unit 4 75 Blenheim Road P O Box 1185 Christchurch Phone 64 3 348 3301 Fax 64 3 343 0558 Singapore Tait Electronics Far East Pte Ltd 4 Leng Kee Road SIS Building 05 11A Singa...

Page 3: ...ch page and its publication date is listed in the List of Effective Pages and a new list containing any new revised pages and their publica tion dates will be sent with each revision package Any portion of text that has been changed is marked by a verti cal line as shown at left in the outer margin of the page Where the removal of an entire paragraph means there is no text left to mark an arrow as...

Page 4: ...it Electronics Ltd Christchurch New Zealand Updating Equipment And Manuals In the interests of improving performance reliability or servicing Tait Electronics Ltd reserve the right to update their equipment and or manuals without prior notice Copyright All information contained in this manual is the property of Tait Electronics Ltd All rights are reserved This manual may not in whole or part be co...

Page 5: ...ree parts as listed below with each part being further sub divided into sections There is a detailed table of contents at the start of each part and or section Part Title A General Servicing Procedures B T807 808 Switching Power Supply C T800 22 0000 Base Station Repeater Rack Frame ...

Page 6: ...t B I 31 08 96 II 31 08 96 blank 1 1 31 08 96 1 2 31 08 96 blank 1 3 31 08 96 1 4 31 08 96 1 5 31 08 96 1 6 31 08 96 1 7 31 08 96 1 8 31 08 96 1 9 31 08 96 1 10 31 08 96 blank 2 1 31 08 96 2 2 31 08 96 blank 2 3 31 08 96 2 4 31 08 96 2 5 31 08 96 2 6 31 08 96 3 1 31 08 96 3 2 31 08 96 blank 3 3 31 08 96 3 4 31 08 96 3 5 31 08 96 3 6 31 08 96 3 7 31 08 96 3 8 31 08 96 3 9 31 08 96 3 10 31 08 96 bla...

Page 7: ...08 96 fold out 8 2 30 31 08 96 fold out blank 8 2 31 31 08 96 8 2 32 31 08 96 8 2 33 31 08 96 blank 8 2 34 31 08 96 8 2 35 31 08 96 fold out 8 2 36 31 08 96 fold out blank 8 2 37 31 08 96 8 2 38 31 08 96 8 2 39 31 08 96 fold out 8 2 40 31 08 96 fold out 8 2 41 31 08 96 fold out 8 2 42 31 08 96 fold out blank 8 2 43 30 11 97 8 2 44 31 08 96 8 2 45 31 08 96 blank 8 2 46 30 11 97 8 2 47 31 08 96 fold...

Page 8: ...4 98 3 2 6 30 04 98 3 2 7 30 04 98 3 2 8 30 04 98 3 2 9 30 04 98 3 2 10 30 04 98 3 2 11 30 04 98 fold out 3 2 12 30 04 98 fold out 3 2 13 30 04 98 fold out 3 3 1 30 04 98 3 3 2 30 04 98 blank 3 3 3 30 04 98 3 3 4 30 04 98 blank 3 3 5 30 04 98 fold out 3 3 6 30 04 98 fold out 3 3 7 30 04 98 fold out 3 3 8 30 04 98 3 3 9 30 04 98 3 3 10 30 04 98 3 3 11 30 04 98 3 3 12 30 04 98 blank ...

Page 9: ... 2 General Caution CMOS Devices Caution Beryllium Oxide Power Transistors 1 1 1 1 1 2 2 2 1 2 2 Mechanical Pozidriv Recess Head Screws Disassembly Reassembly 2 1 2 1 2 1 3 3 1 3 1 1 3 1 2 3 2 Component Replacement Leaded Components Desoldering Iron Method Component Cutting Method Surface Mount Devices 3 1 3 1 3 1 3 1 3 2 4 To Remove Cased Mica Capacitors 4 1 5 5 1 5 2 5 3 5 4 Software History BASE...

Page 10: ...AII M800 00 31 08 96 Copyright TEL ...

Page 11: ...le to damage from static charges Care when handling these devices is essential For correct handling proce dures refer to the manufacturers data books e g Philips data books covering CMOS devices or Motorola CMOS data books Section 5 Handling etc Figure 1 1 Typical Antistatic Bench Set Up An antistatic bench kit refer to Figure 1 1 is available from Tait Electronics Ltd under the usual consumable g...

Page 12: ... use all contain some beryllium oxide This substance while perfectly harmless in its normal solid form can become a severe health hazard when it has been reduced to dust For this reason the power transistors should not be broken open mutilated filed machined or physically damaged in any way that can produce dust particles ...

Page 13: ...e preferred standard on all Tait manufactured equip ment The very real advantages of this type of screw will not be realised unless the cor rect screwdrivers are used by servicing personnel 2 2 Disassembly Reassembly Instructions on disassembly reassembly for individual equipment are given in the rele vant part of this manual ...

Page 14: ...A2 2 Mechanical M800 00 31 08 96 Copyright TEL ...

Page 15: ...4 circles have been com pleted Remove the tip while continuing suction to ensure that all solder is removed from the joint then stop the suction Before pulling the lead out ensure it is not stuck to the plating If the lead is still not free resolder the joint and try again Note The desoldering iron does not usually have enough heat to desolder leads from the ground plane Additional heat may be app...

Page 16: ...dling removal and replacement techniques This equipment should be serv iced only by an approved Tait Dealer or Service Centre equipped with the necessary facilities Repairs attempted with incorrect equipment or by untrained personnel may result in permanent damage If in doubt contact Tait Electronics Ltd or your nearest Tait Branch or Subsidiary ...

Page 17: ... A4 1 Copyright TEL 31 08 96 4 To Remove Cased Mica Capacitors Cased mica capacitors can be removed by heating the top with a heavy duty soldering iron and gently lifting the capacitor off the PCB with a solder resistant spike or equiva lent ...

Page 18: ...A4 2 To Remove Cased Mica Capacitors M800 00 31 08 96 Copyright TEL ...

Page 19: ...1 are as follows Full support for different display adaptors Programming of CTCSS frequency data optional for individual channels Full cursor control in edit mode User selectable output file format hex or binary Support for wider range of T800 equipment DOS shell facility implemented CTCSS defeat possible when CTCSS tone is not selected Channel numbering changed from 0 127 to 1 128 An X included o...

Page 20: ...Automatic insertion feature to input frequencies Note The datafiles produced by BASEPROG V1 0 and PGM800 V2 01 are still compatible with PGM800 V2 21 5 4 PGM800Win V1 00 PGM800Win V1 00 is different in concept from DOS versions of PGM800 in that it is WindowsTM driven It includes many new and improved features over DOS versions of PGM800 Major changes are outlined below The Windows environment mak...

Page 21: ...n warning messages and will not be accepted for entry into the standard library module User defined modules can be created allowing variation from the standard library module Channel numbers default to 0 127 to match the EPROM memory locations how ever the user can change this setting so that the channel numbers run from 1 128 to suit his her particular needs The ability to program T800 Series II ...

Page 22: ...A5 4 Software History M800 00 31 08 96 Copyright TEL ...

Page 23: ...ical Instructions TIs are issued by the Radio Infrastructure Engineering Division of Tait Electronics These TIs may be used to update equipment or information or to meet specific operational requirements TIs applicable to specific T800 Series ancillary equipment are listed in the relevant part of this manual ...

Page 24: ...A6 2 Technical Instructions M800 00 31 08 96 Copyright TEL ...

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