GV10/GV7.5 TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
VERSION 3.2 2016-03-10
PAGE 4.1.73
Power Supply Interface PWB Replacement
Using
as a guide, replace the power supply interface PWB (A1) as follows:
Figure 4.1.30: Power Supply Interface PWB Location
1.
Turn off and lock out the transmitter’s main ac power, and UPS source (to LVPS modules), if
applicable.
2.
Remove the transmitter’s lower, rear panel and open the front door.
3.
From the front of the transmitter, pull the power supply modules that are mated with the power
supply interface PWB forward so that they disengage from the PWB.
4.
From the rear of the transmitter, disconnect the mating connectors and wiring from the power
supply interface PWB. Record the placement of all wiring and jumpers to ensure the replacement
PWB connections are identical.
5.
Remove 24 sets of M3 nuts and washers that secure the power supply interface PWB to the
transmitter and pull out the power supply interface PWB.
M3 securing hardware
(24 nuts/washers)
Power Supply
Interface PWB (A1)
PARTIAL REAR VIEW
(panels removed)
Summary of Contents for GV10
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Page 8: ...GV10 GV7 5 TROUBLESHOOTING MANUAL PAGE 4 VIII VERSION 3 2 2016 03 10...
Page 84: ...GV10 GV7 5 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS PAGE 4 1 76 VERSION 3 2 2016 03 10...
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Page 292: ...VERSION 3 2 2016 03 10 SD 36 Figure SD 36 NAFP109B Output Power Probe and Sample PWBs...
Page 296: ...VERSION 3 2 2016 03 10 SD 40...
Page 300: ...GV10 GV7 5 TROUBLESHOOTING MANUAL MECHANICAL DRAWINGS PAGE 4 5 4 VERSION 3 2 2016 03 10...
Page 313: ...VERSION 3 2 2016 03 10 MD 13 Figure MD 13 NAPA31C Power Amplifier PWB Q1...
Page 324: ...GV10 GV7 5 TROUBLESHOOTING MANUAL LIST OF TERMS PAGE 4 6 2 VERSION 3 2 2016 03 10...
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