Service Manual

December 2008 5300 ES Series Mobile Radio Service Manual 1-1
S ECTION
1
Section 1General Information
This service manual contains operation, programming, alignment, and service information
for the EFJohnson Technologies 5300 ES Series mobile radio. The 53SL and Ascend
(Multi-Net) models are similar in appearance and covered by separate manuals. The
distinguishing characteristics of the 5300, 53SL, and Ascend models are as follows:
5300 Series Mobile
• Part No. 242-53xx-xxx (see Section 1.2)
• “RS-5300” label on top edge of front panel
• Black front panel bezel
53SL Series Mobile
• Part No. 242-54xx-xxx (see Section 1.2)
• “53SL” label on top edge of front panel
• Black front panel bezel
Ascend Series Mobile
• Part No. 242-5580-xxx (see Section 1.2)
• “ASCEND” label on top edge of front panel
• Black front panel bezel
1.1 Radio Description
The 5300 ES Series mobile radios can operate on various types of channels and with
various signaling protocols. Repeater talk-around is also available.