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ブロック図 – Yamaha PC5500 User Manual

Page 9

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24

376

480

88

100.5

308

3.8

380 ( 15 inch)

455.8( 18 inch)

439

53

292

24

12.5

45

27

(STEREO)

(BRIDGE)

(STEREO)

(BRIDGE)

D-SUB 15 female MONITOR/REMOTE

INPUT

CHANNEL B

SPEAKERS

CHANNEL A

SPEAKERS

(Pre Relay Output Level/ch)
(CLIP/LIMIT IND./ch)
(OUTPUT ON IND./ch)
(TEMP IND.)
(MUTE/ch)
(POWER OFF)

PARALLEL

BRIDGE

STEREO

(Heat Sink)

Temperature Sensor

INPUT SIGNAL /ch

OUTPUT SIGNAL /ch

CLIP/LIMIT /ch

PROTECTION /ch

POWER

TEMP

+(–)

+(+)

(Att)

(Att)

CHANNEL B

(PARALLEL)

(BRIDGE)

CHANNEL A

Protection Circuit

Bch Power Amp Circuit

Clip Detecter

PC Limiter

Ach Power Amp Circuit

-1

PC Limiter

LIMITER

LIMITER

Clip Detecter

OFF

ON

OFF

ON

GND

PIN 1

6

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