Marantz ST4000 - Service Manual

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Service

Manual

Please use this service manual with referring to the user guide (D.F.U) without fail.

281W855010 AO

3120 785 22013

First Issue:1999.08

ST4000/N1B

Tuner

- ST4000 -

TABLE OF CONTENTS

1. TECHNICAL SPECIFICATIONS .............................................................................1

2. WIRING DIAGRAM .................................................................................................2

3. BLOCK DIAGRAM ..................................................................................................3

4. SCHEMATIC DIAGRAM AND PARTS LOCATION .................................................5

5. MICROPROCESSOR AND IC DATA .................................................................... 11

6. ADJUSTMENT PROCEDURE .............................................................................. 13

7. EXPLODED VIEW AND PARTS LIST...................................................................16

8. ELECTRICAL PARTS LIST...................................................................................17

Printed in Japan

ST4000

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Power

power consumption	6 W

Tuner Specifications

FM frequency range	87.5 - 108 MHz
FM signal to noise ratio (mono/stereo)	70/65 dB
FM total harmonic distortion (mono/stereo)	0.2/0.3 %
FM channel selectivity	65 dB
FM usable sensitivity IHF	1.2 µV/16.4 dBf
FM stereo separation	1 kHz, 40 dB (Stereo)
AM frequency range MW/LW	152-280 / 531 - 1602 kHz
AM signal to noise ratio MW/LW	50 dB