Marantz PM8003 Service Manual

Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
Integrated Amplifier
PM8003 /
F N/N1SG
/N1B/U1B
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. ALIGNMENTS ....................................................................................................................... 2
3. SERVICE MODE ................................................................................................................... 4
4. PROTECTION MODE ........................................................................................................... 5
5. WRITING MAIN MICROPROCESSOR PROCEDURE ......................................................... 7
6. WIRING DIAGRAM ............................................................................................................. 25
7. BLOCK DIAGRAM .............................................................................................................. 27
8. SCHEMATIC DIAGRAM ...................................................................................................... 29
9. PARTS LOCATION .............................................................................................................. 37
10. EXPLODED VIEW AND PARTS LIST ................................................................................. 47
11. MICROPROCESSOR AND IC DATA ................................................................................... 51
12. ELECTRICAL PARTS LIST ................................................................................................. 56
13. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE ...............................72
PM8003
Part no. 90M25AJ855010
First Issue 2008.08
MZ
PM8003
INTEGRATED AMPLIFIER PM8003
AUX/DVD MUTERECORDER 21TUNERPHONO CD
POWER AMP DIRECT
INPUT SELECTOR VOLUME
MAXMIN
SOURCE DIRECT
STANDBY
POWER ON/OFF
PHONES
BALANCE
RL
TREBLEBASS
+
-
+
-
OFF
A+B
A
SPEAKERS
B

Marantz PM8003 Specifications

General

Brand	Marantz
Model	PM8003
Category	Amplifier
Language	English

Summary

1. TECHNICAL SPECIFICATIONS

2. ALIGNMENTS

Idling Current Alignment

Procedure for adjusting the idling current of the amplifier using variable resistors.

DC Offset Voltage Adjustment

Procedure for adjusting the DC offset voltage at the speaker output terminals.

4. PROTECTION MODE

PROT-1 (pin6) Function

Detects abnormalities like DC offset voltage, abnormal current, and heat sink temperature.

PROT-2 (pin7) Function

Detects abnormalities in power amp, preamp, and function relay power supply circuits.

5. WRITING MAIN MICROPROCESSOR PROCEDURE

Necessary Equipment for Microprocessor Update

Lists required hardware and software for writing microprocessor data.

Microprocessor Writing Procedure

Step-by-step guide for connecting the unit and PC for writing data.

8. SCHEMATIC DIAGRAM

P401 PHONO AMP PWB Schematic

P101 MAIN PWB Schematic

Schematic diagram for the Main Printed Wiring Board.

PU01 U-COM PWB Schematic

Schematic diagram for the U-COM Printed Wiring Board.

P701 POWER STAGE PWB Schematic

Schematic diagram for the Power Stage Printed Wiring Board.

11. MICROPROCESSOR AND IC DATA

QU01 TMP86FH47UG Microprocessor Data

Technical data and pin configuration for the TMP86FH47UG microprocessor.

12. ELECTRICAL PARTS LIST

Resistor Specifications

Capacitor Specifications

Electrolytic Capacitor Specifications

Film Capacitor Specifications

Safety Warnings for Components

Important safety warnings regarding component replacement.

13. MICROPROCESSOR REPLACEMENT GUIDE

Microprocessor Replacement Confirmation

Mask ROM Replacement Procedure

Flash ROM Replacement Procedure

Empty Flash ROM Replacement Procedure