BLOCK DIAGRAM

CH. 1SPEAKEROUT

+-

 

 

OUTPUT RELAY

 

OL –3

–6

–9 –20 SIG

 

 

METER

DRIVE

 

CH1 SIG

 

 

 

 

 

CHANNEL1 POWER AMPLIFIER

MUTE

 

 

FUSE

 

+115VDC

+100VDC

+15VDC

 

 

 

LIMITER

 

CH.1 GAIN

LIMIT–OFF-LOW OUTSTEREO-MONO-BRIDGED

CH.1

SPEAKON

 

BRIDGED MONO SPEAKON

1+

1-

1+

1-

 

 

 

 

PROTECT

SHORT

 

 

CH.1DISSIPATION

 

 

 

 

 

 

 

MUTE DCOFFSET PROTECT

 

 

 

 

SHORT1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHORT

 

 

TRANSIENTSOAFLT STEADYSTATESOAFLT OUTPUTDISSIPATION

 

 

 

 

 

 

PROTECTIONCIRCUITRY

OUTPUTSTAGECURRENT OUTPUTSTAGEVOLTAGE

LOWVOLTAGEDETECT

IN-RUSHCONTROL

 

 

FUSE

 

 

 

+15VDC

–100VDC

–115VDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22VAC

 

INVERTER (FOR BRIDGED MONO OPERATION)

Σ

(THECHANNELSARE SUMMEDINMONO ORBRIDGEDMODE)

OL

CH 2

+115VDC

LIMIT–OFF-LOW OUT

CH.2

SPEAKON

1+

1-

–3 –6

–9 –20 SIG

METER

DRIVE

SIG

 

 

FUSE

+100VDC

+15VDC

STEREO-MONO-BRIDGED CH.2 GAIN

CH. 2SPEAKEROUT

+-

RELAY

OUTPUT

CHANNEL2

POWER

AMPLIFIER

MUTE

LIMITER

CH–1

CONTROL

LIMITER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MUTE

UN-MUTE

MUTE

UN-MUTE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

C

C

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

52

80

52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CH.1MUTE

CH.2MUTE

 

 

 

FAN

 

 

 

 

 

 

 

PROTECT

SHORT

 

 

 

CH.2DISSIPATION

 

 

 

HOTLED

COLDLED

 

 

 

 

 

 

 

 

 

FUSE

ARELEDSSHORT(THE

MODE)BRIDGEDINJOINED

PROTECTIONCIRCUITRY

OUTPUTSTAGECURRENT

OUTPUTSTAGEVOLTAGE

2

22VACLOWVOLTAGEDETECT

CONTROLRUSH-IN

VDC115CH.1CH.2115VDC

TEMPERATUREOVER

DETECTOR

 

SPEEDVARIABLEFANCONTROLLER

 

CONTROLSPEEDC65–C45 CH.1

CONTROLSPEEDC65–C45 CH.2

CH.1DISSIPATIONFANIDLE/VARIABLECH.1POWERDETECTOR FANIDLE/VARIABLECH.2POWERDETECTORCH.2DISSIPATION

 

1SHORT

2SHORT

MUTE OFFSETDC PROTECT

SHORT

SHORT

TRANSIENTSOAFLT STEADYSTATESOAFLT OUTPUTDISSIPATION

+ +

– –

TRANSFORMER

THERMALSWITCH

 

1CH TEMP SENSOR

00

CH200

TEMP SENSOR

+30VDC -30VDC

+15VDC

 

100VDC–

115VDC–

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STEREO-MONO-BRIDGED

 

 

 

 

 

 

 

 

 

+

VDC CH.2100VDC

–

 

 

22VAC

VDC

+15VDC

 

-15VDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

100

–

 

 

+

30 –

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CH.1

 

 

 

 

 

 

 

 

 

 

CH–2

 

 

LIMIT–OFF-LOWOUT

 

 

 

IN-RUSHCONTROL

 

TOROIDALPOWER

TRANSFORMER

 

 

 

 

 

 

 

 

 

 

 

 

 

CH1 SIG

60-90-120Hz

LOW

HIGH

CROSSOVER

 

THRU–LOW–HIGH

CH2 SIG

60-90-120Hz

LOW

HIGH

CROSSOVER

THRU–LOW–HIGH

POWER SWITCH

IN-RUSH LIMIT

LAMP

 

 

FREQ

 

LOWCUT FILTER

 

 

 

 

FREQ

 

LOWCUT FILTER

 

FUSE

 

 

 

 

LINEINPUT

(1/4"TRS)

LINEINPUT (XLR-FEMALE)

THRUOUTPUT (XLR-MALE)

 

 

 

LINEINPUT

(1/4"TRS)

LINEINPUT (XLR-FEMALE)

THRUOUTPUT (XLR-MALE)

 

 

 

TRANSFORMER

THERMAL

MACKIEDESIGNS M•2600 BLOCKDIAGRAM

9/21/1998

42