New Holland CX720 Repair Manual page 1467

Problem
Poor quality/distorted
sound from all speakers
No sound from speakers
Transceiver Power Outlet
not operating
DISTRIBUTION SYSTEMS - ELECTRONIC SYSTEM
Possible Cause
Circuit
Audio unit
Audio speakers
Circuit
Audio unit
Speakers
Circuit
Audio unit
Circuit
Perform relevant speaker circuit test(s).
If speaker(s) and circuit(s) are good, audio
unit is bad.
G - Speaker Resistance TestAudio sys-
tem - Testing (A.50.A.87 - G.40.A.20).
Perform relevant speaker circuit test(s).
If speaker(s) and circuit(s) are good, audio
unit is bad.
G - Speaker Resistance TestAudio sys-
tem - Testing (A.50.A.87 - G.40.A.20).
Perform relevant speaker circuit test(s).
If speaker(s) and circuit(s) are good, audio
unit is bad.
A - Audio system power and ground supply
test.Audio system - Testing (A.50.A.87 -
G.40.A.20).
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A.50.A / 73
Correction