
TEST 25
Test 25 tests manual Gain Control on RX/EX Signal Path PCB 715. By choosing the right
synthesizer frequency the signal passes the 45 MHz filter and is mixed to a 1 kHz tone in the
audio part. By controlling the Manual Gain Control to low sensitivity the AF check indicates no
AF. High sensitivity shows AF present.
Band : 45 - 52.5 MHz
1.LO : 44.99900 MHz
3.LO : 456.00 kHz
Error code
Possible error source
PCB
00
OK
01
Not able to lower MGC
715
Cabling 910 - 715 or 911 - 715
02
Not able to rise MGC
715
Cabling 910 - 715 or 911 - 715
TEST 26
Test 26 tests Automatic Gain Control Hang facility on RX/EX Signal Path PCB 715.
Examine hang function in three steps:
1) Check normally AGC (with 1 kHz tone)
2) Check that AGC hangs (without signal)
3) Check that AGC hang has ended (without signal)
Band : 45 - 52.5 MHz
1.LO : 44.99900 MHz
3.LO : 456.00 kHz
Band : 67.5 - 75 MHz
1.LO : 80.00000 MHz
3.LO : 456.00 kHz
Error code
Possible error source
PCB
00
OK
01
AGC 715
Cabling 910 - 715 or 911 - 715
02
AGC hang facility
715
SERVICE
SELF TEST
5-36
TRP 9250 TECHNICAL MANUAL
Содержание TRP 9250
Страница 1: ...TRP 9250 250 Watt Radio Transceiver for MF HF SKANTI...
Страница 5: ...ff qom VORM qb ekf i j kr i...
Страница 7: ...INTRODUCTION 1 2 TRP 9250 TECHNICAL MANUAL...
Страница 17: ...OPERATION 2 OPERATION Table of Contents 2 2 TRP 9250 TECHNICAL MANUAL...
Страница 73: ...INSTALLATION 3 INSTALLATION Table of contents 3 2 TRP 9250 TECHNICAL MANUAL...
Страница 99: ...INSTALLATION 3 28 TRP 9250 TECHNICAL MANUAL...
Страница 139: ...TECHNICAL DESCRIPTION 4 TECHNICAL DESCRIPTION Table of Contents 4 2 TRP 9250 TECHNICAL MANUAL...
Страница 147: ......
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Страница 152: ...SERVICE 5 SERVICE Table of contents 5 2 TRP 9250 TECHNICAL MANUAL...
Страница 166: ...SERVICE POWER PROTECTION 5 16 TRP 9250 TECHNICAL MANUAL...
Страница 174: ...SERVICE SERVICE RELATED PROG KEY OPERATIONS 5 24 TRP 9250 TECHNICAL MANUAL...
Страница 194: ...DSC 9000 FRONT PANEL DSC OPERATION DSC 9000 FRONT PANEL 6 2 TRP 9250 TECHNICAL MANUAL...
Страница 226: ...SENDING A DIRECT DIAL CALL INFO DSC OPERATION SENDING A DIRECT DIAL CALL INFO 6 34 TRP 9250 TECHNICAL MANUAL...
Страница 264: ...DSC OPERATION 6 72 TRP 9250 TECHNICAL MANUAL...
Страница 266: ...DSC INSTALLATION 7 DSC INSTALLATION Table of Contents 7 2 TRP 9250 TECHNICAL MANUAL...
Страница 268: ...DCU 9000 WITH MOUNTING BRACKET Fig 5 DSC INSTALLATION DCU 9000 WITH MOUNTING BRACKET 7 4 TRP 9250 TECHNICAL MANUAL...
Страница 279: ...MOUNTING BRACKET TERMINAL BOARD Fig 22 MOUNTING BRACKET TERMINAL BOARD DSC INSTALLATION TRP 9250 TECHNICAL MANUAL 7 15...
Страница 288: ...DSC INSTALLATION 7 24 TRP 9250 TECHNICAL MANUAL...