M3500B/M5500B Service Manual
3
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27
Operational Problems
3
Audio
The following table covers problems that might arise with the audio tones or
voice prompts. Before replacing any parts, check to see if the cables and flex
circuits are properly connected. See "Servicing Notes" on page 4-1.
Fails Display Test in Diagnostic
Mode (indicator LEDs).
Control PCA failure.
Replace Control PCA.
Manual Keypad failure.
Replace Manual Keypad.
Table 3-12 Operational Problems - Display (Continued)
Symptom
Possible Causes
Suggested solution
Table 3-13 Operational Problems - Audio Tones/Voice Prompts
Symptom
Possible Causes
Suggested solution
No audio at all.
Speaker failure.
Replace Speaker Assembly.
Control PCA failure.
Replace Control PCA.
Audio is distorted.
Damage to speaker label.
Replace speaker label.
Speaker failure.
Replace Speaker Assembly.
Control PCA failure.
Replace Control PCA.
Buzzing noise when audio active.
Damage to speaker label.
Replace speaker label.
Debris between speaker and
speaker label.
Remove speaker label, clean out
debris, install new speaker label.
Speaker hardware loose.
Tighten hardware as needed.
Speaker failure.
Replace Speaker Assembly.
Control PCA failure.
Replace Control PCA.
Tones present but no voice prompt
(in AED Mode).
Control PCA failure.
Replace Control PCA.
Voice prompt present but no tones.
Control PCA failure.
Replace Control PCA.
Summary of Contents for Heartstart XLT
Page 1: ...H E A R T S TA R T X LT S e r v i c e M a n u a l M 3 5 0 0 B M 5 5 0 0 B ...
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Page 3: ...Service Manual M3500B HeartStart XLT M5500B Heartstart 4000 Defibrillator Monitor ...
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Page 224: ...M3500 90900 Printed in USA February 2003 Second Edition M3500 90900 2 ...