GV60 TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
PAGE 4.1.80
VERSION 1.0 2018-01-01
Power Supply Interface PWB Replacement
Using
as a guide, replace one of the power supply interface PWBs (A1, A17, A33, A101,
A117 and A133) as follows:
Figure 4.1.32: Power Supply Interface PWB Location
NOTE
: Cabinet A shown for reference. Cabinet B contains A101, A117, and A133.
1.
Turn off and lock out the transmitter’s main ac power, and UPS source (to LVPS modules), if
applicable.
2.
Identify the suspect power supply interface PWB, using the associated transmitter alarms, noting
there are six [A1 (Rack 1), A17 (Rack 2), A33 (Rack 3) for Cabinet A, A101 (Rack 1), A117 (Rack 2)
and A133 (Rack 3) for Cabinet B].
3.
Remove the transmitter’s appropriate lower, rear panel and open the front door.
Power Supply
Interface PWB
(Rack 1)
A1
Power Supply
Interface PWB
(Rack 2)
A17
PARTIAL REAR VIEW
(panels removed)
Power Supply
Interface PWB
(Rack 3)
A33
Содержание GV60
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Страница 463: ...VERSION 1 0 2018 01 01 MD 17 Figure MD 17 NAPA31C Power Amplifier PWB Q1 ...
Страница 466: ...VERSION 1 0 2018 01 01 MD 20 Figure MD 20 NAI23A RF Drive Splitter Changeover Assembly FRONT BACK ...
Страница 473: ...VERSION 1 0 2018 01 01 MD 27 Figure MD 27 NAL17 4 Input Reject Load Assembly TOP VIEW END VIEW 2 INPUT REJECT PWB A1 ...
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