Service Manual

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1. Introduction
This manual provides the technical information to support the service activities of TSM501 / VTL501 model,
which operates on Single mode Digital CDMA Telephone.
This manual is supplied in the electronic format for easy distribution and reference.
Also refer to the following documents:
-. Service Drawings of TSM501 / VTL501 model phone (Schematic diagrams and Parts layout)
-. Service Part List of TSM501 / VTL501 model phone
-. Owner’s Operating Manuals of TSM501 / VTL501 model phone
2. Specification
This chapter provides the product configuration and product specifications of TSM501 / VTL501 model,
which operates on Single mode Digital CDMA Telephone and accessories
2.1 Product Structure
[Table 2.1] Standard Package
ITEM TYPES
1 Handheld Portable Telephone
TSM501 / VTL501
2 Lithium Ion Battery(850mAh)
TSM501 / VTL501
3 AC Charger
TSM501 / VTL501 T.C
4 Earphone-Mic Earphone-Mic is offered by VITELCOM
5 Handstrap Handstrap is offered by VITELCOM
6 Owner’s Operating Manual
TSM501 / VTL501 Manuals
2.2 TSM501 / VTL501 Specifications
ITEM 800MHz Band
1 Radio Frequency TX: 824 to 849MHz
RX:869 to 894MHz
2 Number of Channels 832
3 Duplex Spacing 45MHz
4 Digital Mode
4.1 Channel Spacing 1.23MHz
4.2 Frequency Stability +/-300Hz
4.3 RF Output Power 24dBm