Yorkville NX720S Bedienungsanleitung PDF herunterladen (Seite 5)

3

STEREO ACTIVE SPEAKER CONFIGURATION

*

INPUT Switch set to LINE

MIXER

NX720S

STEREO PASSIVE SPEAKER CONFIGURATION

*

INPUT Switch set to SPKR

PWR

AMP

NX720S #1 NX720S #2

*

INPUT Switch set to LINE

MIXER

STEREO ACTIVE SPEAKER CONFIGURATION

NX720S #1 NX720S #2

BLOCK-DIAG-NX720S-00-1v0.ai

CLIP DETECT

CIRCUIT

REF IN

INPUT

DIFF AMP

INTEGRATED

ERROR AMP

RAMP

GENERATOR

GND AT

OUTPUT

U9. Q8, U10

LEVEL SHIFT

U6

GATE DRIVE

BUFFERS

1

2

3

-120

U7

R47

WOOFER

WOOFER

OUTPUT

TRANSISTORS

OUTPUT

FILTER

MODEL TYPE:YS1055

EQ

LP

HP

EQ

HP

LIMITER

LED

RMS

LIMITER

POWER

SUPPLY

CLASS-D

AMPLIFIER

(WOOFER)

*CLASS-D AMPLIFIER (WOOFER)

*BLOCK DIAGRAM

LOCATED BELOW

NOTE: Shorting R47 will eliminate

feedback and audio signal allowing

troubleshooting of Level Shift, drivers

and output devices

SILENT ON/OFF

VIA Q19

SLOW DETECT

FAST DETECT

LP

LP VARIABLE

LP

LP VARIABLE

LEVEL

1

3

2

1

3

2

1

3

2

2

3

1

LINE / SPKR

Bl oc k Di ag ra m fo r

NX 7 20S

D E S I G N E D & M A N U FA

C T U R E D B Y Y O R K V I L L E S O U N D

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