
TEST 23
Test 23 performs receiver test on RX/EX Signal Path PCB 715 in Telex mode and with Telex
filter, if a such is mounted. 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.
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, option filter
715
Cabling 910 - 715 or 911 - 715
02
AGC
715
Cabling 910 - 715 or 911 - 715
99
No optional filter installed
715
TEST 24
Test 24 tests squelch 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 500 Hz tone in the audio part. This makes the squelch open. Then a 2 kHz is generated
making the squelch close. Squelch hold time is also checked.
Band : 45 - 52.5 MHz
1.LO : 44.99900 MHz
3.LO : 456.00 kHz
3.LO : 457.00 kHz
Error code
Possible error source
PCB
00
OK
01
Squelch circuit not able to open
715
Cabling 910 - 715 or 911 - 715
02
Squelch circuit not able to close
715
Cabling 910 - 715 or 911 - 715
03
Squelch hold time
715
SELF TEST
SERVICE
TRP 9250 TECHNICAL MANUAL
5-35
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...