Marantz SR7400 Specification

RS232C Control Spec. Page: 3 / 17
SR7400/8400 Document Version [1.00]
1. Introduction
1-1. Purpose
This document was written in order to clarify specification for control this product by the host controller.
1-2. Scope
This document would be using by software or hardware engineers for production of this product.
This product is [marantz SR6400/SR5400]. (It’s refered to as “This product” after this.)
1-3. Abbreviations
Abbreviation Description
1-4. References
2. Global Description
2-1. Overview
A Host controller can control or watch out This product as a Slave very easily via the communication cable.
2-2. Block Diagram
2-3. Interface connecter specification of This Product
Processor Interface Signal name Connection device D-Sub Pin Connecter
- N.C. - 1
TxD (output) 2 UAR
T
RxD (input)
RS232C Level shift driver
3
- N.C. 4
- GND 5
- N.C.
-
6
CTS (input) 7 GENERAL POR
T
RTS (output)
RS232C Level shift driver
8
- N.C. - 9
RS232C
D-SUB
(9pin,male)
2-4. Assumptions and Dependencies
HOST
(Controller)
SLAVE
(This product)
RS232C cable (straight)
Connector
D-SUB (9pin, male)

Marantz SR7400 Specifications

General

Number of Channels	7
DTS Processing	DTS, DTS-ES, DTS Neo:6
Component Video Inputs	3
Tuner	AM/FM
Type	AV Receiver
THD	0.08%
Input Sensitivity	200 mV
Signal to Noise Ratio	105 dB
Frequency Response	10 Hz - 100 kHz
Weight	28.7 lbs
Total Harmonic Distortion	0.08%
Signal-to-Noise Ratio	105 dB
HDMI Inputs	No
Preamp Outputs	Yes
Output Power (8 ohms)	105 watts per channel
Digital inputs	3 optical, 2 coaxial
Input Sensitivity/Impedance	200 mV / 47k ohms