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Troubleshooting – Bogen V35 User Manual

Page 15

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Troubleshooting

13

• Amplifier not plugged in.
• AC outlet dead.
• Power switch off.
• Circuit breaker tripped.

• Speaker connections on amplifier incorrect.
• Trans / Direct Out selector not set correctly.
• Poor / broken speaker wiring.
• Defective speakers.

• Poor electrical connections at input.
• Input cable routed near AC cables, power transformer,

or other EMI radiating devices.

• Electrically noisy devices operating on the same AC

circuit.

• Poor equipment grounding.

- Ensure that all AC safety grounds are connected.
- Make sure that all components in audio chain are tied to
the same ground.

NO SOUND

NOISE/HUM

PROBLEM

CONDITION

CAUSE

DISTORTED

SOUND

Power Indicator LED is off.

Power Indicator LED is red.
Input Signal / Clip LED is off.

• No signal from source.
• Module not installed correctly.

Power Indicator LED is red.
Input Signal / Clip LED is green.
LED Output Meter is operating.

Power Indicator LED is red.
Input Signal / Clip LED is green.
LED Output Meter is not in red.

• Signal from source is already distorted.
• Poor speaker connections.
• Trans-Out load on wrong tap.
• Bass control boosted too much.

POOR

LOW FREQ.

RESPONSE

(NO BASS)

Power Indicator LED is red.
Input / Signal Clip LED is green.
LED Output Meter not in red.

• Lo-cut switch is set to ON.
• Speakers wired out of phase.
• Check module bass control setting (if available).
• Check bass control setting.
• Note: Transformer-coupled speakers have less
bass response.

Power Indicator LED is red.
Volume controls are in normal
operational position.

Power Indicator LED is red.
Input Signal / Clip LED is green.
LED Output Meter is off.

• Master or input channel volume control turned down.
• Insert loop is “broken.”

(RCA Plug in Sig Proc IN connector)

Power Indicator LED is red.
Input Signal / Clip LED is red.
LED Output Meter is not in red.

• Input signal level to module too high

(should cause red LED).

• Input module gain too high (if available).
• Input module being overdriven by a high input signal.

Power Indicator LED is red.
Input Signal / Clip LED is green.
LED Output Meter in red.

• Input volume controls set too high.
• Input master volume control set too high.

• Partial short on the output.

Power Indicator LED is red.
Input Signal / Clip LED is green.
Volume Controls are turned up
and show little activity.
Unit is extremely hot.

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