25U10J03LP1 SYSTEM TROUBLESHOOTING OF MSRT ANVRC97

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25U10/J03LP1 SYSTEM TROUBLESHOOTING OF MSRT
AN/VRC-97
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COMMON DEFICIENCIES (1)

• Power Source to RT-1539

- 16 Amp Fuse - Remote Power Switch - Power
Cable 202 - Power Cable 203 - Power Source -
RT-1539
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COMMON DEFICIENCIES (2)

• RT-1539 to DSVT

- .25 Amp Fuse - Telephone Cable 201 -
HVA-9 - Signal Cable 188 - KY-68 (DSVT) -
RT-1539
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COMMON DEFICIENCIES (3)

• RT-1539 to Antenna

- Antenna - RF Cable 187 - HVA-9 - RF
Cable 200 - RT-1539 - RAU
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COMMON DEFICIENCIES (4)

• Telephone Cable 201

From To P1-1 P2-4 P1-2 P2-5
P1-3 P2-1 P1-4 P2-2
P1
P2
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ABNORMAL INDICATIONS (1)
Indication Deficiency

• Alarm/Batt OK Indicator RT-1539 To
• Flashing and DSVT Not DSVT Problem
• Ringing
• Alarm/Batt OK and Crypto Presets Wrong
• Alarm Indicators Are on, or RT-1539
• Loaded Frequency Plan Defective
• Indicator Is Flashing, and
• DSVT Is Ringing

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ABNORMAL INDICATIONS (2)
Indication Deficiency

• All Indicators OFF Power Source
• Except BATT OK to RT-1539
• Indicator Problem
• No Low Tone Heard Handset or
• In the Handset RT-1539 to
• DSVT
  Problem

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ABNORMAL INDICATIONS (3)
Indication Deficiency

• Crypto Alarm KYK-13, Fill
• Indicator Remains ON Cable, or Loading
  
• Procedures
• No Tone Heard at Load KYK-13, Fill
• or Center Position Cable, or
  Loading
• 
  Procedures

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ABNORMAL INDICATIONS (4)
Indication Deficiency

• Loaded Directory No. PC and DSN Not
• Indicator Is Flashing Correct. If
  Marker
• or Off Affiliated
  Flashing,
• MSRT
  Blacklisted
• Crypto Alarm and Crypto Key Not
• Marker Affiliated Correct
• Indicators Are
• Flashing

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POSSIBLE PROBLEMS (1)

• No Power

- Power Source - Presets - Remote Switch -
16 Amp Fuse
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POSSIBLE PROBLEMS (2)

• RT-1539 to KY-68

- Presets - .25 Amp Fuse - 201 Cable -
200 Cable - HVA-9 - 188 Cable - No or Low
Tone - Handset