Marantz SR-12S1 Service Manual download pdf (Page 56)

76

no

yes

no

yes

no no

yes

yes yes

no

yes

no no

yes yes

No sound from SPK

Test Tone is

OK ?

Audio/Visual Function SW

is OK

ADC (QK51,52:PD04) has

some problem

Main in or

Pre out is OK ?

Power amp circuit P114,154,

Relay Driver circuit P124,P164

has some problem

Analog input

is OK ?

SPK SETUP MENU

Encode status

shows ?

DIG SEL:QA03,04,07(PD04),

DIR:QR50(P604),DSP:Q610,640

has some problem.

P654 Connection has problem

TAPE or VCR

OUT is OK ?

Audio Function SW

(QS01,02- PS04)

Visual Function SW

(QQ01,02-PQ04)

has some problem

7.1ch input

is OK ?

Audio SW-QS70 (PS54),

Volume, mute Tr (PG04)

has some problem.

Digital input

is OK ?

DIG.SEL, DIR is OK

DSP:Q610,640,DAC:QD01-04

(PD04) has some problem.

P654 Connection has problem

DSP:Q610,640(P604)

has some problem ?

Confirm

No Sound

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