
TEST 21
Test 21 performs receiver test on RX/EX Signal Path PCB 715 in SSB mode and with SSB filter.
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. This makes the Automatic Gain Control lower the sensitivity and
the AF check indicating AF. RX mute is also checked.
Band : 45 - 52.5 MHz
1.LO : 44.99900 MHz
3.LO : 456.00 kHz
Error code
Possible error source
PCB
00
OK
01
Receiving signal path
715
Cabling 910 - 715 or 911 - 715
02
AGC 715
Cabling 910 - 715 or 911 - 715
03
RX mute
715
TEST 22
Test 22 performs receiver test on RX/EX Signal Path PCB 715 in AM mode and with AM filter.
By choosing the right synthesizer frequency the signal passes the 45 MHz filter and is mixed to
generate an unmodulated carrier . This makes the Automatic Gain Control lower the sensitivity
and the AF check indicating no AF. Band : 45 - 52.5 MHz
1.LO : 44.99900 MHz
3.LO : 456.00 kHz
Error code
Possible error source
PCB
00
OK
01
Receiving signal path, AM detector
715
Cabling 910 - 715 or 911 - 715
02
AGC
715
Cabling 910 - 715 or 911 - 715
SERVICE
SELF TEST
5-34
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: ......
Страница 149: ......
Страница 150: ......
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...