GAI-Tronics 701-302ICS ICS AC-Powered Page/Party Plug-in Amplifiers - Manual (Page 18)

Pub. 42004-730L2B
ICS AC-Powered Page/Party
®
Plug-in Amplifiers Page: 16 of 20
f:\standard ioms - current release\42004 instr. manuals\42004-730l2b.doc
04/11
Problem Potential Cause
Handset
microphone audio
is too low/loud
(Not applicable to
speaker amplifier
models.) • Disconnect headset, if connected (auxiliary jack models only).
• Adjust the
LINE ADJ
on the Main PCBA.
• Check jumper settings or cable connections at P4 on the Main PCBA.
• Ensure proper termination of Page/Party
® lines.
• Check handset connections.
• Check proper cable terminations between Termination and Main PCBAs.
• Check operation of hookswitch.
• Replace handset.
Handset receiver
audio is too
low/loud.
(Not applicable to
speaker amplifier
models.)
• Adjust the receiver volume potentiometer on Main PCBA.
• Check jumper settings or cable connections at P4.
• Ensure proper termination of Page/Party
® lines.
• Check handset connections.
• Check proper cable terminations between Termination and Main PCBAs.
• Check operation of hookswitch.
• Replace handset.
Table 2. Additional Troubleshooting for VLC Models 701-302ICSVC, 701-304ICSVC, and
751-001ICSVC
Problem Potential Cause
Speaker volume is
too low/loud. • Refer to the “Audio Alignment” section for the specific VLC model.
• Ensure the nominal page line level is correct.
Cannot place a
page. Refer to “Audio Alignment” and “Page Disable Control” sections for the specific
VLC model.
RTU output is not
functional. • Refer to “Remote Output Switching” section for the specific VLC model.
• Check fuse F1 on RTU PCBA.
• Check the cable connection at P5 on the RTU and VLC PCBA.
• Check RTU terminal connections on TB7 on the RTU PCBA in the
enclosure.
• Check operation of connected device.
RTU input does
not function. Inputs are only available with SmartSeries models.