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LZB 115 2508 R1A General Informati on
Chapter 1 - General Information
Introduction
This manual is intended to assist certified Service Technicians in repair of the CA638 and CF688 cellular
phones.
Table 1-1
Chapter 6 -
provides a list of the standard accessories for the CA638 and CF688 cellular phones. Refer to
Accessories for more information.
Table 1-1. Accessories
Accessory Name
Economy N iCD Economy
Slim NiMH Battery NM-6050
UltraSlim NiMH Battery NM-6100
High Performance NiMH Battery NM-6055
High Capacity NiMH Battery NM-6170
Standard Charger – 8h * SC-6000
Rapid Charger * BC-6000
Vehicle Power and Charge VP-6000
Desk Top Ch arger * MC-6000
Travel Charger TC-6000
Portable Handsfree Unit PO-6000
Enhanced Vehicle Handsfree Solution HF-6300
Deluxe Vehicle Handsfree Solution HF-6600
Mobile Office Solution AC28
Mobile Data Cable Kit
* Note: This model has variations depending on the electrical requirements in the country
used. Contact your Regional Service Representative for more information.
Model Number
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General Information LZB 115 2508 R1A
Maintenance/Repair Philosophy
Table 1-2 explains the maintenance levels of all Ericsson products.
Table 1-2. Maintenance/Repair Levels
Maintenance
Level
Level 1 Local
Level 2 Authorized
Level 3 Authorized
Level 4 Authorized
Level 5 Ericsson Repair
Function
Responsible
Distributor
Regional Service
Center
Regional Service
Center
Global Repair
Center
Center
Definition
Complete unit swap
Repair/exchange of mechanical parts
Not allowed to open unit
Level 1 plus:
Allowed to open units and exchange
parts
Boards and labeled frames must remain
mated
Level 2 plus:
Allowed to replace some solderable parts
Level 3 plus:
Refurbishing and relabeling allowed
Allowed to maintain revision status
All mechanical and component repair
Revisions to This Man ual
This manual will be revised throughout the life cycle of the product as revisions to the units and accessories are implemented. User comments are appreciated. A Repair Manual Review Form has been included
at the end of this manual for processing of user comments.
Other Produc t Do cum entation
Refer to the following publications for information not contained in this manual:
• CA638 User’s Manual (Publication Number XX/LZT 123 4426)
• CF688 User's Manual (Publication Number XX/LZT 123 4408)
• Service Center Certification Manual, Level III (Publication Number LZB 119 3020)
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LZB 115 2508 R1A General Informati on
Spare Parts
Please contact your Regional Service Representative for spare parts information.
Warranty Information
Please contact your Regional Service Representative for warranty information, or refer to the CF688 User
Manual.
ESD Guidelines
Observe the following guidelines for ESD protection when performing the repairs documented in this
manual:
• Workbench surfaces must be protected by leading material and connected to ground.
• Always wear a wriststrap or heelstrap that is connected to ground.
• Ensure that all tools such as soldering irons or torque drivers are properly grounded.
• PCBs and other ESD-sensitive components must be transported and stored in non-conducting
packages such as ESD-safety bags and boxes.
• Periodically test ESD equipment with and electrostatic voltmeter to ensure proper protection.
For more information on ESD requirements and practices, refer to the following:
• Service Center Certification Manual, Level III (Publication Number
LZB 119 3020)
• Ericsson Standard ST22, “Electrical Standard”
Personnel and Equipment Safety
To protect personnel from injury and equipment from unnecessary damage, the following are used to
highligh t possible ha zards:
NOTE
Used to tell the operator things that are helpful in understanding a concept or
performing a proced ure.
CAUTION
Used to tell the operator that a certain action or condition could be harmful to the
equipment.
WARNING
Used to tell the operator that a certain action or condition could be harmful or fatal
to the operator or others.
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General Information LZB 115 2508 R1A
List of Acronyms and Abbreviations
Table 1-3 lists the acronyms and abbreviation used in this manual.
Table 1-3. List of Acronyms and Abbreviations
Acronym/
Abbreviation Definition
AC Authentication Center
ACCH Analog Control Channel
A/D Audio to Digital
ADC American Digital Cellular
AF Audio Frequency
AFC Automati c F r equency Cont rol
AFMS Audio From Mobile Station
AGC Automatic Gain Control
A-Key Authentication Key
AM Amplitude Modulation
AMPS Advanced Mobile Phone System
ASIC Application Specific Integrated Circuits
ATMS Audio to Mobile Station
AUTH Authentication
AUTHR Authentication Response
AVC Analog Voice Channe l
B-Number Dialed Number
BAR Beep, Alarm, Ring
Basic Pad Packet Assembly/Disassembly Service
BER Bit Error Rat e
BFU Battery Fuse Unit
BP Bit Position
BS Base Station
BSIC Base Station Identity Code
CH Channel
CI
CP C entral Processor
CPS Centra l Processor Subsystem
CU Control Unit
DAMPS Digital Advanced Mobile Phone System
DCCH Digital Control Channel
E-Clock System Clock Frequency
ESD Electrostatic Sensitive Device
ESN Electronic Serial Number
FM Frequency Modulation
FSK Frequency Shift Keying
FVC Forward Voice Channel
GSM Global System for Mobile Communications
HLR Home Location Register
IIdle
IC Integrated Cir cuit
ID Identification
IE In formation Element
IS Industry Standard
Cell Identity
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LZB 115 2508 R1A General Informati on
Acronym/
Abbreviation Definition
ISDN In tegrated Services Digital Network
Kc Cyphering Key
Ki Individual Subscriber Identification Key
LAC Location Area Code
LAI Location Area Identity
LAN Local Area Network
MDVC Mobile Digital Voice Channel
MEK Message Encryption Key
MS Mobile S tation
MSC Mobile Switching Center
MSID Mobile Station Identification
MSIN Mobile Station Identification Number
MU Mobile Unit
NB Normal Burst
OMC Operations and Maintenance Center
OMS Operations and Maintenance Subsystem
OSS Operations and Support Systems
PAD Packet Assembly/Disassembly
PCH Paging Channel
PCS Personal Communications Services
PIN Personal Identification Number
PLMIN Public land Mobile Network
PSU Power Supply Unit
PTSN Public Telephone Switching Network
PWR Power
RRamp Time
RAND Random Number
RBS Radio Base Station
RF Radio Frequency
RRX Radio Receiver
RSA Rural Service Area
RSS Received Signal Strength
RX Receive
SAT Supervisory Aud io Tone
SID System Identification
SIM Subscriber Identity Module
SMS Short message Service
SNB Subscriber Number
S/N Signal-to-Noise Ratio
SS Switching System
ST Signaling Tone
TACS Total Access Communications System
TRM Transceiver Module
TRU Transceiver Unit
TRX Transceiver
TS Time Slot
TSS Trunk and Signaling System
TX Transmit
VC Voice Channel
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