
PA Hot
Measurement:
PA temperature continously high.
PA/Temp Att = 1 and PA At/ PA Protect = 1 in more than 5 min.
Protection made:
Key inhibit for 5 min.
Display:
Flash "Protec".
Possible cause:
Fan failure or air filter blocked.
TX Inhibit
Measurement:
External "TX Inhibit" input is activated.
Action made:
TX key inhibit.
PA SWR
Measurement:
PA SWR was high.
Protection made:
Output power reduced to safe limits.
Possible cause:
High SWR or change in antenna impedance.
23
24
25
SERVICE
POWER PROTECTION
5-12
TRP 9250 TECHNICAL MANUAL
Summary of Contents for TRP 9250
Page 1: ...TRP 9250 250 Watt Radio Transceiver for MF HF SKANTI...
Page 5: ...ff qom VORM qb ekf i j kr i...
Page 7: ...INTRODUCTION 1 2 TRP 9250 TECHNICAL MANUAL...
Page 17: ...OPERATION 2 OPERATION Table of Contents 2 2 TRP 9250 TECHNICAL MANUAL...
Page 73: ...INSTALLATION 3 INSTALLATION Table of contents 3 2 TRP 9250 TECHNICAL MANUAL...
Page 99: ...INSTALLATION 3 28 TRP 9250 TECHNICAL MANUAL...
Page 139: ...TECHNICAL DESCRIPTION 4 TECHNICAL DESCRIPTION Table of Contents 4 2 TRP 9250 TECHNICAL MANUAL...
Page 147: ......
Page 149: ......
Page 150: ......
Page 152: ...SERVICE 5 SERVICE Table of contents 5 2 TRP 9250 TECHNICAL MANUAL...
Page 166: ...SERVICE POWER PROTECTION 5 16 TRP 9250 TECHNICAL MANUAL...
Page 174: ...SERVICE SERVICE RELATED PROG KEY OPERATIONS 5 24 TRP 9250 TECHNICAL MANUAL...
Page 194: ...DSC 9000 FRONT PANEL DSC OPERATION DSC 9000 FRONT PANEL 6 2 TRP 9250 TECHNICAL MANUAL...
Page 264: ...DSC OPERATION 6 72 TRP 9250 TECHNICAL MANUAL...
Page 266: ...DSC INSTALLATION 7 DSC INSTALLATION Table of Contents 7 2 TRP 9250 TECHNICAL MANUAL...
Page 288: ...DSC INSTALLATION 7 24 TRP 9250 TECHNICAL MANUAL...