JVC XP-A1000BK - Page 42

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XP-A1000BK

W@

Digital

1/0

Circuit

DSP

Circuit

Check

the

pattern

output

from

IC606

and

IC607

to

IC604.

Are

the

IC604

LRCK

and

BCLK

signals

in

the

normal

condition

?

NO

Check

the

Clock

List.

YES

(C604

is

defective.

1-42

(No.

20062)

Is

digital

data

output

from

IC

707

pin@

?

Is

digital

data

output

from

IC

707

pin@?

Check

the

pattern

output

from

IC

707

pin

©

to

P603.

Do

IC606

and

IC607

pins

©

receive

digital

data

?

YES

{s

digital

data

output

from

IC606

and

IC607

pins

©

?

YES

Is

digital

data

output

from

pins

@

and

of

IC604

?

NO

YES

Is

digital

data

output

from

pins

@)

and

©

of

IC604

?

NO

YES

Check

the

pattern

output

from

IC604

to

P103.

Check

the

related

patterns

output

from

P603

to

iC707,

and

check

soldering.

1C707

is

defective.

Check

the

pattern

output

from

J603

pin

@

to

IC606

and

IC607.

the

clocks

of

IC606

and

IC607,

including

LRCK,

BCLK,

CK

256

fs,

etc.,

in

the

normal

condition

2

YES

NO

Check

the

Clock

List.

IC

607,

IC612,

1C613,

IC606,

IC610,

and

1C611

are

defective.

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