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SC-7070
Gigatelecom SC-7070 Manuals
Manuals and User Guides for Gigatelecom SC-7070. We have
1
Gigatelecom SC-7070 manual available for free PDF download: Service Manual
Gigatelecom SC-7070 Service Manual (31 pages)
Single Mode Digital CDMA Telephone
Brand:
Gigatelecom
| Category:
Telephone
| Size: 1.44 MB
Table of Contents
Table of Contents
2
1 Introduction
3
Service Manual SC-7070, Rev 1.0 26, August
3
2 Specification
4
GSD556 Specifications
4
Battery Specifications
5
AC Charger Specifications
5
3 Technical Description
6
Overview
6
RF Part Description
9
Description of Frequency Synthesizer Circuit
9
Description of Rx Part Circuit
10
Description of Tx Part Circuit
12
Logic Part Description
15
Keypad/Lcd, Receptacle Part(CON451)
15
Voice Processing Part
15
Mobile Station Modem( ; MSM5100, U301)
15
Memory Part (U351)
17
Power Supply Part
17
Power up Sequence
19
Place a Battery Pack
19
Press and Hold [END] Key
19
Regulators Activated
19
VCTCXO Activated
19
Reset Pulses Generated
19
MSM5100(U301) Starts
19
Phone Wakes up
19
4 Servicing Tools
20
5 Measurement
22
Measurement Configuration
22
Cdg2 Menu
23
Hardware Control MENU
23
6 Assembling and Disassembling
24
7 Replacing Parts
31
GSD556 Sm_01.Doc
31
Gigatelecom Proprietary
31
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