Roland DR-880 Dokumentacja Pobierz pdf (Strona 28)

29

Dec.2004 DR-880

BLOCK DIAGRAM

fig.block.eps

DRAM(4M/WORKING)

OUTPUT

VOLUME

TC203C180AF

INDIVIDUAL A

FLASH MEMORY(16M)

TC223C080AF-101

LCD DRIVER

MASK ROM

(WAVE 128M)

ESP

4

XP7

MIDI IN

UPD703106(V8 50 MA1)

CPU

VOLUME

DRAM(

4M)

MIDI OUT

(MIDI or STRAGE)

DIGITAL OUT

CODEC

LED

USB Controller IC

SW BOARD

ASSY

LCD

POWER

SW

A+12V

BRC ADAPTOR

AC 14 V

A-1 2V

D3.3 V

GUITAR IN

FOOT SW 3.4 / EXP

PEDA

L

FOOT SW 1.2

LED DRIVER

LCD BACK LIGHT

DAC/DIT

A3.3 V

AF-AD

PHONES

OUTPUT R

OUTPUT L( MONO)

OUTPUT R

OUTPUT L( MONO)

INDIVIDUAL B

CLOCK OUTSYNC

JK3

JK1 A

JK6

JK7

JK11

JK8

JK9

JK10

JK1 B

JK12

A

A

A

A

A

D

D

2

1

3

JK5

1

2

3

JK4

1

2

3

1

2

4

1

2

4

12

22

11

1

2

3

2

1

1

2

3

1

2

4

1

2

3

SW1A

12

11

13

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