Marantz SA-12, S-1 Service Manual

Date: 16-Mar.-2004 Model: DV-12S2

Page: 1 / 1 REF.NBR: MZ04-028

SERVICE BULLETIN

Circulation: Application:

x for information customer

complaint in case of service
mandatory

...................

[PHENOMENON]

ON/ OFF timing of Press the PROGRESSIVE button on the Front Panel, can not set the PAL progressive mode,
the phenomenon is sometimes happened.

[SOLUTION]

1) Update the Main microprocessor (QU01) software version to

Only Lot number
MZxxxxxx01xxxx

Subject:

Can not set the PAL progressive mode.

Int.ref:

[ Ver 2.10 ]

Please refer to the service manual DV-12S2
(QU01) UP DATE PROCEDURE” and “ 9. SERVICE MODE AND TROUBLE SHOOTING”.

[NECESSARY PART]

Update of the firmware disc

*DV12S2CDR

page10 to 15, about details of “8. MAIN MICROPROCESSOR

*DV12S2CDR

File name is “DV12S2CDR.zip”

[REMARKS]

The countermeasure apply to this claim only.

Approved by S.NAGAO Written by

WQ-19 2 817

/additional rule 3 (1st Issue 2003-03-19)

SERVICE BULLETIN

Date: 27-Feb.-2004 Model: DV-12S2

Page: 1 /1 REF.NBR: MZ04-018

Subject:

Circulation: Application:

x for information customer

complaint in case of service
mandatory

...................

[PHENOMENON]

1) FRONT L/R 1 2 and SURR.L/R, CENTER L/R, SUB W L/R of AUDIO OUTPUT are simultaneously
Connected to amplifier.

2) If the Amplifier which used the electronic switch is turned off, another sound will be distorted.

[REASONS]

FRONT L/R 1 2 are connected parallel, therefore, if the Amplifier input of another side short-circuits,

it will influence

[SOLUTION]

On the PA01-AUDIO CIRCUIT BOAD

1. Resistor 1k ohm is added to 2 of FRONT L/R 1 2.

2. Cut pattern.

See Below

Int.ref:

Cut pattern

Output signal distortion.

Cut pattern

1 k ohm

[NECESSARY PART]

Carbon film fixed resistor,1k ohm +-5% 1/6W
(part no.

[REMARKS]

The countermeasure apply to this claim only.

GD05102160

WQ-19 2 817

)

Approved by S.NAGAO Written by

Solder side of FRONT L/R 1 2

R

/additional rule 3 (1st Issue 2003-03-19)

L