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Marantz SR4500 - Service Manual

Marantz SR4500
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AV Surround Receiver
SR4500
/
PS4500
Part no. 90M07BW855010
First Issue 2004.06
ecm
Service
Manual
SR4500 /A1B/N1B/U1B
K1G/L1G/N1G
A1S/N1S/U1S
Please use this service manual with referring to the user guide (D.F.U) without fail.
SR4500
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ............................................................................................ 1
2. TECHNICAL DESCRIPTION ................................................................................................. 4
3. WIRING DIAGRAM ................................................................................................................7
4. BLOCK DIAGRAM .................................................................................................................9
5. SCHEMATIC DIAGRAM ........................................................................................................11
6. PARTS LOCATION .............................................................................................................. 27
7. IC DATA ................................................................................................................................ 38
8. EXPLODED VIEW AND PARTS LIST .................................................................................. 45
9. POWER AMPLIFIER ADJUSTMENT ................................................................................... 52
10. SERVICE MODE .................................................................................................................. 53
11. SYSTEM ERROR ................................................................................................................ 55
12. UPDATE FIRMWARE .......................................................................................................... 56
13. ELECTRICAL PARTS LIST .................................................................................................. 58
SURROUND
AV SURROUND RECEIVER SR4500
DOWN
UP
VOLUME
INPUT SELECTOR
POWER ON/OFF PHONES
STANDBY
MUTE
7.1CH INPUT
S. SPEAKER B
ATT
PURE
SETUP
DIRECT
SIMPLE
AUTO
HT-EQ
MENU
ENTER
DISPLAY
MEMORY
CLEAR
T-MODE
EXIT
BAND
MODE
DISP MULTI AUTO TUNED ST V
–
OFF NIGHT PEAK ANALOG
DIGITAL
ATT
SLEEP
SURR
AUTO
DIRECT DISC 6.1 MTX 6.1 EQ
DIGITAL
SURROUND
PCM
L
C
R
SL S SR
LFE
PS4500 /F1N
AV Surround Amplifier
PS4500

Table of Contents

Other manuals for Marantz SR4500

Preview: User Guide
User Guide43 pages
Preview: Specification Sheet
Specification Sheet2 pages

Questions and Answers

  • J
    jonathandavisSep 4, 2025
    Why no audio output from surround speakers on Marantz Stereo Receiver?
    • R
      reginahicksSep 4, 2025
      If you're not getting any audio output from the surround speakers on your Marantz Stereo Receiver, here's what to check: * Ensure the surround speaker cable is correctly connected. * If "STEREO" is selected for Surround mode, no sound will come from the surround speakers. Choose a different Surround mode. * Verify that "Surround = NONE" is not selected in SETUP mode. Make the correct setting.
  • A
    acolemanSep 4, 2025
    Why is there no audio output from the surround back speakers on my Marantz Stereo Receiver?
    • K
      Kevin MckinneySep 5, 2025
      If there is no audio output from the surround back speakers on your Marantz Stereo Receiver, check the following: * Ensure the surround back speaker cable is correctly connected. * Verify that the surround mode is set to EX/ES. * Confirm that "Surround back = NONE" has not been selected in SPEAKERS SIZE SETUP. Make the correct setting.
  • C
    christopher90Sep 5, 2025
    Why is there noise during AM reception on my Marantz Stereo Receiver?
    • E
      Erin ComptonSep 5, 2025
      If you hear noise during AM reception on your Marantz Stereo Receiver, it could be due to interference from other electrical fields. Try changing the location where the AM indoor antenna is set up.
  • W
    William PalmerSep 6, 2025
    How to stop noise during FM reception on Marantz Stereo Receiver?
    • B
      banksamySep 6, 2025
      If you are experiencing noise during FM reception on your Marantz Stereo Receiver, the radio waves from the broadcasting station might be weak. Consider installing an FM outdoor antenna.

Summary

1. Technical Specifications

FM Tuner Section

Technical parameters for the FM tuner.

AM Tuner Section

Technical parameters for the AM tuner.

Audio Section

Audio output and input specifications.

Video Section

Video input and output specifications.

2. Technical Description

DTS Audio Technologies

Explanation of DTS, DTS-ES, and DTS 96/24 audio technologies.

Dolby and SRS Audio Technologies

Explanation of Dolby Digital EX, Pro Logic IIx, and SRS Circle Surround II.

3. Wiring Diagram

4. Block Diagram

5. Schematic Diagram

6. Parts Location

7. IC Data

NJW1157 IC Data

Pinout and function details for the NJW1157 IC.

CS49400 IC Data

Pinout and function details for the CS49400 IC.

H8 S2398 IC Data

Pinout and function details for the H8S2398 microcontroller.

NJU3430 FG1 IC Data

Pinout and function details for the NJU3430FG1 IC.

8. Exploded View and Parts List

9. Power Amplifier Adjustment

Idling Current Alignment

Procedure to set idling current for power amplifier channels.

11. System Error

DSP Communication Error

Error display for DSP communication issues.

DSP Code Error

Error display for DSP code issues.

EEPROM Communication Error

Error display for EEPROM communication issues.

12. Update Firmware

Firmware Update Modes

Details on updating CPU and DSP firmware.

Firmware Version Check

How to check installed firmware versions.

13. Electrical Parts List

Resistors

List of resistor parts and specifications.

Capacitors

List of capacitor parts and specifications.

Safety Notes for Parts

Important safety information regarding replacement parts.

Marantz SR4500 Specifications

General IconGeneral
Frequency Response10Hz-100kHz (+1, -3 dB)
Total Harmonic Distortion0.08%
Input Sensitivity200mV (line)
Tuning rangeFM, AM
Damping Factor100
Input Impedance47k ohms
Power Output90W per channel (8 ohms, 20Hz-20kHz, THD 0.08%)
Signal-to-Noise Ratio105dB (line)
Video ConnectionsComposite, S-Video
Digital inputsOptical, Coaxial
Speaker Impedance6-8 ohms

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