Yamaha DBR Series Service Manual

54
DBR10/DBR12/DBR15
Todebuggingmode
Todiagnosismode
IsUART-0
connected?
YES
NO
Isdebuggingmodestarting
switchturnedon?
［POWERLED］turnedon
［PROTECTIONLED］turnedon
DSPinitialized（resettingcancelled）
（/DSP-RES）
ADCpowerdowncancelled
（/AD-PDWN）
DSPboot•initializingprocess
DSPmuteprocess
AMPENABLE
（AMP-ENA）
DSPmutecancelled
NO
YES
DACmutecancelled
100msecfromthe
ADCpowerdowncancelled
LINEoutputmutecancelled
（LINE-MUTE）
［PROTECTIONLED］turnedoff
Modelnumber
Notset?
NO
Isitdiagnosticmode?
YES
StartsasDBR15.

NO
YES
Internaldatainitialized
Soundoutputstarted
IsFLASHrewritingmode
startingswitchturnedon?
NO
YES
PowerON（Reset）
ToFLASHrewritingmode（Built-inROMBootLoader）
Tomodelnumber
settingmode

STARTING SEQUENCE

Yamaha DBR Series Specifications

General

Type	Powered Speaker
Amplifier Class	Class-D
Inputs	XLR, 1/4" TRS, RCA
Outputs	XLR
Enclosure Material	Plastic
Mounting Options	Pole mount
Coverage angle	90° x 60°
I/O Connectors	XLR, 1/4" TRS, RCA
Woofer Size	12"
Tweeter Size	1.4"
Protection	Overcurrent protection