
TEST 4
Test 4 tests the volume control on RX/EX Signal Path PCB 715. The test is carried out, by
turning on the microprocessor controlled tone generator, and verifying that AF check toggles
condition, and keeps it with increasing volume level. Mute is checked in a similar way.
Error code
Possible error source
PCB
00
OK
01
Volume control
715
Cabling 910 - 715
02
AF mute
715
Cabling 910 - 715
TEST 7
Test 7 tests Master Oscillator PCB 712/713.
Tests if the MO is oscillating, using MO check.
Error code
Possible error source
PCB
00
OK
01
Master oscillator
712/713
Cabling 910 - 911 or 911 - 712/713
TEST 8
Test 8 tests Synthesizer PCB 911, all local oscillators.
Tests that the synthesizer is able to lock in midrange .
Band : 45 - 52.5 MHz
1.LO : 50.00000 MHz
3.LO : 456.50 kHz.
The test is OK if SYNCHECK = 1.
Error code
Possible error source
PCB
00
OK
01
Synthesizer
911
Cabling 910 - 911
SELF TEST
SERVICE
TRP 9250 TECHNICAL MANUAL
5-29
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...