Manual for DBR10/DBR12/DBR15

Manual for DBR10/DBR12/DBR15

Brand: YAMAHA

Category: Audio/Video

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 6:53 p.m.

Manual Publish Date: 2014-07-01

Warranty Information

Refer to authorized service representative for all service requirements.

  • This manual provides service information for the YAMAHA DBR series powered speaker systems (DBR10, DBR12, DBR15).
  • It includes specifications, panel layouts, dimensions, disassembly procedures, circuit board layouts, LSI pin descriptions, parts lists, block diagrams, and circuit diagrams.
  • Key sections cover component identification, disassembly steps for various parts (grille, speakers, baffle, amp assembly, circuit boards), and important safety notices.
  • Specific procedures are detailed for each model in the DBR series.
  • The manual emphasizes safety precautions, including static discharge and proper handling of components.

Troubleshooting and error codes

IssuePossible CauseSolution
No SoundNo powerCheck AC power cord and power switch.
No SoundInput signal issueCheck input cable and signal source.
No SoundVolume set to minimumAdjust LEVEL knobs.
Distorted SoundInput signal too highReduce input signal level.
Distorted SoundClippingCheck LEVEL knobs and input signal.
PROTECTION Indicator litOverload or thermal protection activatedTurn off the unit, check for speaker impedance, and allow to cool.
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