Yamaha Disklavier MPX100II Manuale di servizio - Pagina 11

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MPX100II

• YMW265B-F (XK281B00)

CDO

MELO0

MELO1

MELO2

MEL03

MELI1

DACLR

SHL

SHR

2CHIP

Vss

XTAL

EXTAL

MCLKO

MCLKI

HCLKO

QCLKO

SYWI

SYWO

SYOD

MD0

MD1

MD2

MD3

MD4

MD5

MD6

MD7

MA0

MA1

MA2

MA3

MA4

MA 5

MA6

MA 7

MA8

MA 9

MA10

Vss

MA11

MA12

MA13

MA14

MA15

MA16

MA17

MA18

MA19

MA20

MA21

MA22

MA23

CVG (Convolution Voice Generator)

FUNCTION

Read

Write

Chip select

CD output

MEL stereo output

MEL stereo mixing input

DAC L/R output

Latch enable

Sample/Hold L channel output

Sample/Hold R channel output

2 chips mode (0 = 1 chip, 1 = 2 chips)

Slave/Master select (0 = master, 1 = slave)

Power supply (+ 5V)

Ground

Initial clear

Crystal osc.

Crystal/Ext, clock

12.8MHz osc. output

12.8MHz master clock input

6.4MHz clock output (NSYS)

3.2MHz clock output (MEL, LDSP, DAC)

12.8MHz sync. signal input

12.8MHz sync. signal output

6.4MHz/3.2MHz sync. signal output

Wave ROM output enable

Wave ROM data bus

(Power supply ( + 5V))

(Ground)

Wave ROM address bus

Wave ROM chip select

FUNCTION

Wave ROM chip select

Key on & LFO on output

NSYS output (8-channel x 4)

Key on & LFO on input

NSYS input (8-channel x 4)

Power supply ( + 5V)

Ground

NSYS input

MEL stereo mixing input

MEL reverberation input

RAM chip enable

RAM data bus

RAM output enable

RAM address bus

Power supply ( + 5V)

Ground

RAM write enable