Marantz AV9000S1G Service Manual download pdf (Page 29)

51 52

8. TROUBLE SHOOTING

no

yes

no

yes

no

yes no

no

yes yes no

yes no

yes

yes

No Power

Standby LED

Lights up on

standby mode?

FLD shows

"ERROR

PWR1" ?

Supply +15VA

to PY04?

PY04 has problem.

QY01(92p or 93p) lnput level

is too low.

Can P804

supply +24V ?

Connection has

problem (J803)

Relay(L802)

control is OK ?

P804 or Connection has

problem

P804 or Main Transf(L001)

or Fuse has problem

Vkk or FIL is not supplied

to PU04

Power supply circuit has

problem.

Check +5VL or

PDOWN signal.

Supply +24V

to PY04?

Can P804

supply +15VA

?

no

yes no

yes

No sound

from PRE out on

Analog STEREO mode

Volume or HDAM or QC06

or Relay for Preout has any

problem

Test tone out

is OK ?

Analog audio input sel.

(PS04)has problem

Source Direct

is OK ?

(Volume, HDAM are OK)

Tone Control (P104) has problem

(Volume, HDAM are OK)

no

DIR circuite(P604)

has any trouble

yes

no

no

DAC circuite(P604)

yes

has any trouble

(DIR is no problem)

yes

Volume, Tone, or HDAM

(on P104) has any trouble.

Pre out relay has any trouble.

no

DSP (Q601 or Q651)

has any trouble

(DAC is no problem)

yes

DSP(Q601) input stage has

any trouble.

to be check QR06

No sound

from PRE out on PCM

STEREO(Digital In)

Analog Stereo

and 6-direct

are OK ?

Test tone is

OK ?

Encode status

LED shows ?

Source Direct

is OK ?

Volume,Tone, HDAM or

no

Pre out relay has any trouble.

To be check P104

yes

DIR(QR01) or Q601

no no

has trouble

yes yes

no

DIR(QR01) or QR06

no

L/R DAC has trouble

has any trouble.

to be check

signal(SDIDR)

yes yes

Error Mute circuite has Q601 or Q651 has trouble.

trouble.

To be check QR04 or QR05

No sound

from PRE out on

AC-3/DTS decode

6ch Direct

is OK ?

Test tone is

OK ?

DD, DTS, PCM

are shown?

DD, DTS, PCM

are shown?

DAC & DSP are no problem

Decoding is no problem

P604 has trouble

PCM S-Dirct

is OK?

L/R DAC is no problem

DIR & Q601 input is no problem

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