CHAPTER 1 Subject INTRODUCTION
d. Components of Radio Sets.
AN/VRC-88A/D/F SHORT RANGE RADIO WITH DISMOUNT EQUIPMENT
1.1. SCOPE
AN/VVRC-91A/D/F SHORT RANGE AND LONG RANGE RADIO WITH DISMOUNT EQUIPMENT
AN/VRC-92A/D/F DUAL LONG RANGE RADIO
1.2. CONSOLIDATED INDEX OF ARMY PUBLICATIONS AND BLANK FORMS
1.7. NOMENCLATURE CROSS-REFERENCE LIST
SECTION II PRINCIPLES OF OPERATION
1.9. DC POWER INPUT AND DISTRIBUTION
AM-7239A/D Power Distribution
AM-7239E Power Distribution
(2) Placing VAA into Local or Remote Mode (AM-7239A)
9 Power Distribution in Power Amplifier Mount (PA mount)
1.1O. RECEIVE SIGNAL PATH
b. Analog Voice Transmit Signals
1.12. FREQUENCY HOPPING OPERATION
1.14. RT MAIN PANEL DISPLAYS
1.15. a. RT SELF-TEST (RT-1523 THROUGH RT-152313)
1.17. POWER AMPLIFIER
SECTION III PRINCIPLES OF MAINTENANCE OPERATION
1.21. POST-REPAIR USE OF OPERATIONAL CHECK
SECTION IV PREPARATION FOR STORAGE OR SHIPMENT
1.26. INTERMEDIATE STORAGE
CHAPTER 2 MANPACK RADIO
2.1. ASSEMBLY INSTRUCTIONS. Cont
2.2. OPERATIONAL CHECK
STEP 3. RT SELF-TEST - TM-11-5820-890-20-1_42
STEP 5. TRANSMITTER CHECKS - TM-11-5820-890-20-1_43
STEP 6. RECEIVER CHECKS - TM-11-5820-890-20-1_44
Step 8. HRCRD CHECK
VARIABLE WILL NOT LOAD. (Sheet 1 of 1)
LOW OR NO POWER OUT. (Sheet 1 of 1)
LOSS OF SIDETONE. (Sheet 1 of 2)
LOSS OF SIDETONE. (Sheet 2 of 2)
RADIO WILL NOT OPERATE WITH DATA DEVICES. (Sheet 1 of 2)
RADIO WILL NOT OPERATE WITH DATA DEVICES. (Sheet 2 of 2)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 1 of 4)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 2 of 4)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 3 of 4)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 4 of 4)
RT WILL NOT LOAD FREQUENCIES FROM RCU. (Sheet 1 of 1) - TM-11-5820-890-20-1_56
NO CALL FUNCTION AT THE RCU. (Sheet 1 of 1)
NO INTERCOM TALK FUNCTION FROM RCU TO RT. (Sheet 1 of 1)
NO CALL FUNCTION AT THE RT. (Sheet 1 of 1)
NO INTERCOM TALK FUNCTION FROM RT TO RCU. (Sheet 1 of 1) - TM-11-5820-890-20-1_60
CHAPTER 3 VEHICULAR RADIO CONFIGURATIONS
IMPORTANT POINTS TO REMEMBER IN USING THE OPERATIONAL CHECK
STEP 2. POWER CHECKS
STEP 3. RT SELF-TEST - TM-11-5820-890-20-1_64
STEP 5. TRANSMITTER CHECKS - TM-11-5820-890-20-1_65
STEP 6. RECEIVER CHECKS - TM-11-5820-890-20-1_66
STEP 8. LS-671 CHECKS
STEP 9. RCU/RT SELF-TEST
3.2. TROUBLESHOOTING FLOWCHARTS
Short Range Radio, RT-A
Short Range Radio, RT-B
Long Range Radio, FIT-A
Long Range Radio, RT-B
VAA CB1 TRIPS WHEN SET TO ON. (Sheet 1 of 2)
VAA CB1 TRIPS WHEN SET TO ON. (Sheet 2 of 2)
VAA DS1 NOT LIT WHEN CB1 IS SET TO ON. (Sheet 1 of 4)
VAA DS1 NOT LIT WHEN CB1 IS SET TO ON. (Sheet 2 of 4)
VAA DS1 NOT LIT WHEN CB1 IS SET TO ON. (Sheet 3 of 4)
VAA DS1 NOT LIT WHEN CB1 IS SET TO ON. (Sheet 4 of 4)
RT-A LS-671 DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 1 of 4)
RT-A LS-671 DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 2 of 4)
RT-A LS-671 DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 3 of 4)
RT-A LS-671 DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 4 of 4)
NO REMOTE POWER FROM RT-B LS-671. (Sheet 1 of 3)
NO REMOTE POWER FROM RT-B LS-671. (Sheet 2 of 3)
NO REMOTE POWER FROM RT-B LS-671. (Sheet 3 of 3)
PA MOUNT CB1 TRIPS AND VAA DS1 IS LIT. (Sheet 1 of 1)
PA MOUNT DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 1 of 3)
PA MOUNT DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 2 of 3)
PA MOUNT DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 3 of 3)
RT DISPLAY DOES NOT LIGHT AND VAA DS1 IS LIT. (Sheet 1 of 1)
RT DISPLAY READS FAIL 6. (Sheet 1 of 1)
COMSEC ALARM NOT HEARD AT HANDSET OR WILL NOT CLEAR (NO EXTERNAL DEVICE). (Sheet 1 of 3)
COMSEC ALARM NOT HEARD AT HANDSET OR WILL NOT CLEAR (NO EXTERNAL DEVICE). (Sheet 2 of 3)
COMSEC ALARM NOT HEARD AT HANDSET OR WILL NOT CLEAR (NO EXTERNAL DEVICE). (Sheet 3 of 3)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 1 of 5)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 2 of 5)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 3 of 5)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 4 of 5)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 5 of 5)
VARIABLE (COMSEC OR FH DATA) WILL NOT LOAD. (Sheet 1 of 2)
VARIABLE (COMSEC OR FH DATA) WILL NOT LOAD. (Sheet 2 of 2)
FAILED FORWARD AND REVERSE POWER CHECK. (Sheet 1 of 3)
FAILED FORWARD AND REVERSE POWER CHECK. (Sheet 2 of 3)
FAILED FORWARD AND REVERSE POWER CHECK. (Sheet 3 of 3)
NO SIDETONE (FORWARD/REVERSE POWER CORRECT RF PWR IN HI). (Sheet 1 of 1)
FORWARD POWER INCORRECT THRU PA IN RF PWR HI. (Sheet 1 of 2)
FORWARD POWER INCORRECT THRU PA IN RF PWR HI. (Sheet 2 of 2)
RT-A: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 1 of 2)
RT-A: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 2 of 2)
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 1 of 3
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 2 of 3)
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 3 of 3)
RT-A: LESS THAN 30 W FORWARD POWER OUT OF PA FROM EITHER 43 TO 61.4 MHZ OR 61.4 TO 88 MHZ. (Sheet 1 of 1)
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM EITHER 43 TO 61.4 MHZ OR 61.4 TO 88 MHZ. (Sheet 1 of 2)
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM EITHER 43 TO 61.4 MHZ OR 61.4 TO 88 MHZ. (Sheet 2 of 2)
RT SIG DISPLAY INCORRECT WITH RT RF PWR SWITCH SET TO PA. (Sheet 1 of 2)RT SIG DISPLAY INCORRECT WITH RT RF PWR SWITCH SET TO PA. (Sheet 1 of 2)
RT SIG DISPLAY INCORRECT WITH RT RF PWR SWITCH SET TO PA. (Sheet 2 of 2)
RT SIG DISPLAY DOES NOT LIGHT WHEN LS-671 PTT IS PRESSED. (Sheet 1 of 3)
RT SIG DISPLAY DOES NOT LIGHT WHEN LS-671 PTT IS PRESSED. (Sheet 2 of 3)
RT SIG DISPLAY DOES NOT LIGHT WHEN LS-671 PTT IS PRESSED. (Sheet 3 of 3)
NO SIDETONE HEARD AT LS-671. (Sheet 1 of 3)
NO SIDETONE HEARD AT LS-671. (Sheet 2 of 3)
NO SIDETONE HEARD AT LS-671. (Sheet 3 of 3)
RADIO WILL NOT OPERATE WITH DATA DEVICES. (Sheet 1 of 2)
RADIO WILL NOT OPERATE WITH DATA DEVICES. (Sheet 2 of 2)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 1 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 2 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 3 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 4 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 5 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 8 of 8) - TM-11-5820-890-20-1_132
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 7 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 8 of 8) - TM-11-5820-890-20-1_134
RT WILL NOT LOAD FREQUENCIES FROM RCU. (Sheet 1 of 1) - TM-11-5820-890-20-1_135
NO CALL FUNCTION AT THE RCU. (Sheet 1 of 2)
NO CALL FUNCTION AT THE RCU. (Sheet 2 of 2)
NO INTERCOM TALK FUNCTION FROM RCU TO RT. (Sheet 1 of 2)
NO INTERCOM TALK FUNCTION FROM RCU TO RT. (Sheet 2 of 2)
NO CALL FUNCTION AT THE RT. (Sheet 1 of 1)
NO INTERCOM TALK FUNCTION FROM RT TO RCU. (Sheet 1 of 1) - TM-11-5820-890-20-1_141
CHAPTER 4 CABLES
4.1. TROUBLESHOOTING CABLES
4.2. a. SCHEMATICS
b. CG-3855 (RF Cable)
d. CX-13291 (PA Control Cable)
e. CX-13292 (LS-671 Cable)
f. CX-13298 (RXMT Cable)
g. CX-13300 (Intercom Cable)
h. CX-13301 (M551 Power Cable)
i. CX-13302 (Power Cable)
j. CX-13303 (Power Cable)
k. CX-13304 (Power Cable)
I. CX-13305 (Power Cable)
m. CX-13306 (Power Cable)
n. CX-13308 (Data Cable)
o. CX-13310 (HYX-57 Cable)
p. CX-13311 (MST-20 Adapter Cable)
q. CX-13312 (PSC-3 Adapter Cable)
r. CX-13313 (VIC Interface Cable)
s. CX-13402 (TACFIRE Magic Cable)
t. CX-13417 (Splitter Cable)
u. CX-13450 (Power Cable)
v. CX-13465 (Digital Adapter Cable)
w. W4 (Audio/Data Fill Cable)
CHAPTER 5 COMPONENT REPLACEMENT/REPAIR
d. Vehicular Antenna
g. Mounting Base
5.2. COMPONENT REPLACEMENT
b. RT-A Power Amplifier (PA)
c. Vehicular Amplifier-Adapter (WA)
d. Mounting Base (MB)
e. RT-B PA
g. Loudspeaker (LS-671) (Shelf Mount)
h. Loudspeaker (LS-871) (Dashboard Mount)
i. Vehicular Antenna Elements
j. Vehicular Antenna Subassembly
5.3. COMPONENT REPAIR
a. RECEIVER-TRANSMITTER (RT)(RT-1523 SERIES) -cont
b. VEHICULAR AMPLIFIER-ADAPTER (VAA) (AM-7239 SERIES)
c. MOUNTING BASE (MT-6352 SERIES
c. MOUNTING BASE (MT-6352 SERIES
c. MOUNTING BASE (MT-6352 SERIES)
d. POWER AMPLIFIER MOUNT (PA MOUNT) (MT-6353)
e. LOUDSPEAKER LS-671
f. VEHICULAR ANTENNAS (AS-3900)
g. BATTERY BOX (CY-8523A/B)
g. BATTERY BOX (CY-8523A/B) -cont
g. BATTERY BOX (CY-8523A/B) -cont
APPENDIX A REFERENCES
APPENDIX C EXPENDABLE/DURABLE SUPPLIES AND MATERIALS
SUBJECT MATTER INDEX
INDEX Cont
d. Components of Radio Sets.
AN/VRC-88A/D/F SHORT RANGE RADIO WITH DISMOUNT EQUIPMENT
1.1. SCOPE
AN/VVRC-91A/D/F SHORT RANGE AND LONG RANGE RADIO WITH DISMOUNT EQUIPMENT
AN/VRC-92A/D/F DUAL LONG RANGE RADIO
1.2. CONSOLIDATED INDEX OF ARMY PUBLICATIONS AND BLANK FORMS
1.7. NOMENCLATURE CROSS-REFERENCE LIST
SECTION II PRINCIPLES OF OPERATION
1.9. DC POWER INPUT AND DISTRIBUTION
AM-7239A/D Power Distribution
AM-7239E Power Distribution
(2) Placing VAA into Local or Remote Mode (AM-7239A)
9 Power Distribution in Power Amplifier Mount (PA mount)
1.1O. RECEIVE SIGNAL PATH
b. Analog Voice Transmit Signals
1.12. FREQUENCY HOPPING OPERATION
1.14. RT MAIN PANEL DISPLAYS
1.15. a. RT SELF-TEST (RT-1523 THROUGH RT-152313)
1.17. POWER AMPLIFIER
SECTION III PRINCIPLES OF MAINTENANCE OPERATION
1.21. POST-REPAIR USE OF OPERATIONAL CHECK
SECTION IV PREPARATION FOR STORAGE OR SHIPMENT
1.26. INTERMEDIATE STORAGE
CHAPTER 2 MANPACK RADIO
2.1. ASSEMBLY INSTRUCTIONS. Cont
2.2. OPERATIONAL CHECK
STEP 3. RT SELF-TEST - TM-11-5820-890-20-1_42
STEP 5. TRANSMITTER CHECKS - TM-11-5820-890-20-1_43
STEP 6. RECEIVER CHECKS - TM-11-5820-890-20-1_44
Step 8. HRCRD CHECK
VARIABLE WILL NOT LOAD. (Sheet 1 of 1)
LOW OR NO POWER OUT. (Sheet 1 of 1)
LOSS OF SIDETONE. (Sheet 1 of 2)
LOSS OF SIDETONE. (Sheet 2 of 2)
RADIO WILL NOT OPERATE WITH DATA DEVICES. (Sheet 1 of 2)
RADIO WILL NOT OPERATE WITH DATA DEVICES. (Sheet 2 of 2)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 1 of 4)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 2 of 4)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 3 of 4)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 4 of 4)
RT WILL NOT LOAD FREQUENCIES FROM RCU. (Sheet 1 of 1) - TM-11-5820-890-20-1_56
NO CALL FUNCTION AT THE RCU. (Sheet 1 of 1)
NO INTERCOM TALK FUNCTION FROM RCU TO RT. (Sheet 1 of 1)
NO CALL FUNCTION AT THE RT. (Sheet 1 of 1)
NO INTERCOM TALK FUNCTION FROM RT TO RCU. (Sheet 1 of 1) - TM-11-5820-890-20-1_60
CHAPTER 3 VEHICULAR RADIO CONFIGURATIONS
IMPORTANT POINTS TO REMEMBER IN USING THE OPERATIONAL CHECK
STEP 2. POWER CHECKS
STEP 3. RT SELF-TEST - TM-11-5820-890-20-1_64
STEP 5. TRANSMITTER CHECKS - TM-11-5820-890-20-1_65
STEP 6. RECEIVER CHECKS - TM-11-5820-890-20-1_66
STEP 8. LS-671 CHECKS
STEP 9. RCU/RT SELF-TEST
3.2. TROUBLESHOOTING FLOWCHARTS
Short Range Radio, RT-A
Short Range Radio, RT-B
Long Range Radio, FIT-A
Long Range Radio, RT-B
VAA CB1 TRIPS WHEN SET TO ON. (Sheet 1 of 2)
VAA CB1 TRIPS WHEN SET TO ON. (Sheet 2 of 2)
VAA DS1 NOT LIT WHEN CB1 IS SET TO ON. (Sheet 1 of 4)
VAA DS1 NOT LIT WHEN CB1 IS SET TO ON. (Sheet 2 of 4)
VAA DS1 NOT LIT WHEN CB1 IS SET TO ON. (Sheet 3 of 4)
VAA DS1 NOT LIT WHEN CB1 IS SET TO ON. (Sheet 4 of 4)
RT-A LS-671 DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 1 of 4)
RT-A LS-671 DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 2 of 4)
RT-A LS-671 DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 3 of 4)
RT-A LS-671 DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 4 of 4)
NO REMOTE POWER FROM RT-B LS-671. (Sheet 1 of 3)
NO REMOTE POWER FROM RT-B LS-671. (Sheet 2 of 3)
NO REMOTE POWER FROM RT-B LS-671. (Sheet 3 of 3)
PA MOUNT CB1 TRIPS AND VAA DS1 IS LIT. (Sheet 1 of 1)
PA MOUNT DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 1 of 3)
PA MOUNT DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 2 of 3)
PA MOUNT DS1 NOT LIT AND VAA DS1 IS LIT. (Sheet 3 of 3)
RT DISPLAY DOES NOT LIGHT AND VAA DS1 IS LIT. (Sheet 1 of 1)
RT DISPLAY READS FAIL 6. (Sheet 1 of 1)
COMSEC ALARM NOT HEARD AT HANDSET OR WILL NOT CLEAR (NO EXTERNAL DEVICE). (Sheet 1 of 3)
COMSEC ALARM NOT HEARD AT HANDSET OR WILL NOT CLEAR (NO EXTERNAL DEVICE). (Sheet 2 of 3)
COMSEC ALARM NOT HEARD AT HANDSET OR WILL NOT CLEAR (NO EXTERNAL DEVICE). (Sheet 3 of 3)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 1 of 5)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 2 of 5)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 3 of 5)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 4 of 5)
COMSEC ALARM NOT HEARD OR WILL NOT CLEAR (EXTERNAL DEVICES PRESENT). (Sheet 5 of 5)
VARIABLE (COMSEC OR FH DATA) WILL NOT LOAD. (Sheet 1 of 2)
VARIABLE (COMSEC OR FH DATA) WILL NOT LOAD. (Sheet 2 of 2)
FAILED FORWARD AND REVERSE POWER CHECK. (Sheet 1 of 3)
FAILED FORWARD AND REVERSE POWER CHECK. (Sheet 2 of 3)
FAILED FORWARD AND REVERSE POWER CHECK. (Sheet 3 of 3)
NO SIDETONE (FORWARD/REVERSE POWER CORRECT RF PWR IN HI). (Sheet 1 of 1)
FORWARD POWER INCORRECT THRU PA IN RF PWR HI. (Sheet 1 of 2)
FORWARD POWER INCORRECT THRU PA IN RF PWR HI. (Sheet 2 of 2)
RT-A: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 1 of 2)
RT-A: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 2 of 2)
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 1 of 3
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 2 of 3)
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM 30 TO 43 MHZ. (Sheet 3 of 3)
RT-A: LESS THAN 30 W FORWARD POWER OUT OF PA FROM EITHER 43 TO 61.4 MHZ OR 61.4 TO 88 MHZ. (Sheet 1 of 1)
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM EITHER 43 TO 61.4 MHZ OR 61.4 TO 88 MHZ. (Sheet 1 of 2)
RT-B: LESS THAN 30 W FORWARD POWER OUT OF PA FROM EITHER 43 TO 61.4 MHZ OR 61.4 TO 88 MHZ. (Sheet 2 of 2)
RT SIG DISPLAY INCORRECT WITH RT RF PWR SWITCH SET TO PA. (Sheet 1 of 2)RT SIG DISPLAY INCORRECT WITH RT RF PWR SWITCH SET TO PA. (Sheet 1 of 2)
RT SIG DISPLAY INCORRECT WITH RT RF PWR SWITCH SET TO PA. (Sheet 2 of 2)
RT SIG DISPLAY DOES NOT LIGHT WHEN LS-671 PTT IS PRESSED. (Sheet 1 of 3)
RT SIG DISPLAY DOES NOT LIGHT WHEN LS-671 PTT IS PRESSED. (Sheet 2 of 3)
RT SIG DISPLAY DOES NOT LIGHT WHEN LS-671 PTT IS PRESSED. (Sheet 3 of 3)
NO SIDETONE HEARD AT LS-671. (Sheet 1 of 3)
NO SIDETONE HEARD AT LS-671. (Sheet 2 of 3)
NO SIDETONE HEARD AT LS-671. (Sheet 3 of 3)
RADIO WILL NOT OPERATE WITH DATA DEVICES. (Sheet 1 of 2)
RADIO WILL NOT OPERATE WITH DATA DEVICES. (Sheet 2 of 2)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 1 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 2 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 3 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 4 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 5 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 8 of 8) - TM-11-5820-890-20-1_132
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 7 of 8)
RCU DISPLAY READS OPEN DURING SELF-TEST. (Sheet 8 of 8) - TM-11-5820-890-20-1_134
RT WILL NOT LOAD FREQUENCIES FROM RCU. (Sheet 1 of 1) - TM-11-5820-890-20-1_135
NO CALL FUNCTION AT THE RCU. (Sheet 1 of 2)
NO CALL FUNCTION AT THE RCU. (Sheet 2 of 2)
NO INTERCOM TALK FUNCTION FROM RCU TO RT. (Sheet 1 of 2)
NO INTERCOM TALK FUNCTION FROM RCU TO RT. (Sheet 2 of 2)
NO CALL FUNCTION AT THE RT. (Sheet 1 of 1)
NO INTERCOM TALK FUNCTION FROM RT TO RCU. (Sheet 1 of 1) - TM-11-5820-890-20-1_141
CHAPTER 4 CABLES
4.1. TROUBLESHOOTING CABLES
4.2. a. SCHEMATICS
b. CG-3855 (RF Cable)
d. CX-13291 (PA Control Cable)
e. CX-13292 (LS-671 Cable)
f. CX-13298 (RXMT Cable)
g. CX-13300 (Intercom Cable)
h. CX-13301 (M551 Power Cable)
i. CX-13302 (Power Cable)
j. CX-13303 (Power Cable)
k. CX-13304 (Power Cable)
I. CX-13305 (Power Cable)
m. CX-13306 (Power Cable)
n. CX-13308 (Data Cable)
o. CX-13310 (HYX-57 Cable)
p. CX-13311 (MST-20 Adapter Cable)
q. CX-13312 (PSC-3 Adapter Cable)
r. CX-13313 (VIC Interface Cable)
s. CX-13402 (TACFIRE Magic Cable)
t. CX-13417 (Splitter Cable)
u. CX-13450 (Power Cable)
v. CX-13465 (Digital Adapter Cable)
w. W4 (Audio/Data Fill Cable)
CHAPTER 5 COMPONENT REPLACEMENT/REPAIR
d. Vehicular Antenna
g. Mounting Base
5.2. COMPONENT REPLACEMENT
b. RT-A Power Amplifier (PA)
c. Vehicular Amplifier-Adapter (WA)
d. Mounting Base (MB)
e. RT-B PA
g. Loudspeaker (LS-671) (Shelf Mount)
h. Loudspeaker (LS-871) (Dashboard Mount)
i. Vehicular Antenna Elements
j. Vehicular Antenna Subassembly
5.3. COMPONENT REPAIR
a. RECEIVER-TRANSMITTER (RT)(RT-1523 SERIES) -cont
b. VEHICULAR AMPLIFIER-ADAPTER (VAA) (AM-7239 SERIES)
c. MOUNTING BASE (MT-6352 SERIES
c. MOUNTING BASE (MT-6352 SERIES
c. MOUNTING BASE (MT-6352 SERIES)
d. POWER AMPLIFIER MOUNT (PA MOUNT) (MT-6353)
e. LOUDSPEAKER LS-671
f. VEHICULAR ANTENNAS (AS-3900)
g. BATTERY BOX (CY-8523A/B)
g. BATTERY BOX (CY-8523A/B) -cont
g. BATTERY BOX (CY-8523A/B) -cont
APPENDIX A REFERENCES
APPENDIX C EXPENDABLE/DURABLE SUPPLIES AND MATERIALS
SUBJECT MATTER INDEX
INDEX Cont
