Panasonic GD93 Mobiele telefoon
Fabrikant:
Model:
GD93
Datum:
2000
Categorie:
Groep:
Omschrijving:
Personal Cellular Telephone
Servicehandboek
Handleidingen type:
Servicehandboek
Pagina’s:
46
Grootte:
1.25 Mbytes (1313420 Bytes)
Taal:
english
Herziening:
0
Handleidingen-ID:
Datum:
2000 01 01
Kwaliteit:
Elektronisch document, geen scan, zeer goed leesbaar.
Upload datum:
2017 04 24
MD5:
5fc4a649b2e36a79c5b67d05de9351a4
Downloads:
621

Informatie

1 INTRODUCTION 1.1 Purpose of this Guide ... . ... 1 1.2 Structure of the Guide ... . ... 1 2INTERFACES AND TEST POINTS 2.1 Interfaces ... . ... 3 2.2 Test Points ... . ... 5 3RF OVERVIEW 3.1 Introduction ... . ... 7 3.2 Functional Description ... . ... 7 45678TRANSMITTER 4.1 Introduction ... . ... 11 4.2 Uplink Frequencies ... . ... 11 4.3 Functional Description ... . ... 12 RECEIVER 5.1 Introduction ... . ... 15 5.2 Downlink Frequencies ... . ... 15 5.3 Functional Description ... . ... 16 BASEBAND OVERVIEW 6.1 Introduction ... . ... 19 6.2 Keypad ... . ... 19 6.3 Subscriber Identity Module ... . ... 20 6.4 Time Processing Unit (TPU) ... . ... 20 6.5 CPU Memory ... . ... 21 6.6 LCD ... . ... 21 6.7 Real Time Clock ... . ... 21 6.8 Microphone ... . ... 22 6.9 Speaker ... . ... 23 6.10 Timers ... . ... 24 6.11 UART ... . ... 24 6.12 Acessory ASIC ... . ... 25 HERCULES 7.1 Introduction ... . ... 27 7.2 Digital Signal Processor ... . ... 27 7.3 CPU ... . ... 27 7.4 Memory Interface ... . ... 29 7.5 Interrupt Handler ... . ... 29 7.6 General Purpose I/O ... . ... 30 7.7 Dedicated I/O ... . ... 30 OMEGA 8.1 Introduction ... . ... 31 8.2 Uplink I and Q ... . ... 31 8.3 Downlink I and Q ... . ... 32 8.4 Power Amplifier Ramp ... . ... 32 8.5 AFC Control ... . ... 33 8.6 Audio ... . ... 34 8.7 Auxiliary A/D ... . ... 34 8.8 Charging Voltage Control ... . ... 34 9POWER SUPPLIES 9.1 Introduction ... . ... 35 9.2 Overview ... . ... 35 9.3 Power-up ... . ... 35 9.4 Power-down ... . ... 36 9.5 Power Management ... . ... 37

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