GAI-Tronics 751-005 Краткое руководство - Страница 2

Просмотреть онлайн или скачать pdf Краткое руководство для Усилитель GAI-Tronics 751-005. GAI-Tronics 751-005 4 страницы. Speaker amplifier

Model 751-005 Speaker Amplifier

Adjustment

Model 751-005 Speaker Amplifier mates with an enclosure wired directly to a speaker. The speaker

volume adjustment is located under the GAI-Tronics nameplate on the front panel. Refer to Figure 1.

Use a small flat-blade screwdriver to adjust the speaker sound volume.

Figure 1. Model 751-005 Speaker Amplifier Outline Diagram

Maintenance

Fuses

WARNING

Do not remove fuses when energized. Replace with the same type and size fuse.

F2 = T.630A, 250V, 5×20 mm, IEC 60127-2.

Troubleshooting

The table below lists some hints to aid technicians in troubleshooting:

Problem

Feedback/distortion (a hum or

buzz on the line) occurs during

all Page/Party

station operation.

Associated speaker level requires

adjustment.

f:\standard ioms - current release\42004 instr. manuals\42004-366b.doc

11/10

The line may be improperly terminated. Inspect the system cable

for loose connections, shorts, and grounds. Line balance assembly

connections are critical.

Adjust the speaker volume control located on the amplifier front

panel, behind the nameplate. Refer to Figure 1. Use a small

standard screwdriver to perform these adjustments.

Pub. 42004-366B

Solution

2 of 3

Page: