This 5.1 speaker system comes with a 1000 Watts Peak/500 Watts RMS power for a rich THX Certified surround sound. With the ability to decode Dolby Digital and DTS encoded soundtracks.

The Z906 is who has six class D amplifiers included, but you cannot use them if you do not have the console connected.

DE-15 Console Connector

The main component is a Renesas D2-71583 intelligent digital amplifier and sound processor.

The communication between the Digital Audio Processor and the console is done through TTL serial communication at 3.3V.

The following table illustrates the pinout.

Pin	Description	Pin	Description
1		2
3		4
5		6	GND
7		8
9		10
11		12	TX
13	RX	14
15	Console Enable

D2-71583 NO is 5V tolerant.

Serial settings
Baud rate	57600
Data	8 bit
Parity	Odd
Stop	1 bit

Here is the DE-15 male as viewed from the front of the Main Board.

Commands

The following commands are single byte:

Inputs

function	cmd	description
SET_INPUT_1	0x02	enable TRS 5.1 input
SET_INPUT_2	0x05	enable RCA 2.0 input
SET_INPUT_3	0x03	enable Optical 1 input
SET_INPUT_4	0x04	enable Optical 2 input
SET_INPUT_5	0x06	enable Coaxial input
SET_INPUT_AUX	0x07	enable TRS 2.0 (console) input

GAIN_MAIN_UP	0x08	Increase Main Gain
GAIN_MAIN_DOWN	0x09	Decrease Main Gain
GAIN_SUB_UP	0x0A	Increase Subwoofer Gain
GAIN_SUB_DOWN	0x0B	Decrease Subwoofer Gain
GAIN_CENTER_UP	0x0C	Increase Center Gain
GAIN_CENTER_DOWN	0x0D	Decrease Subwoofer Gain
GAIN_REAR_UP	0x0E	Increase Rear Gain
GAIN_DOWN_UP	0x0F	Decrease Rear Gain