Logitech Z4
DB9 remote pinout scematic diagram
1 L OUT
2 L IN
3 S IN
4 ON
5 +5V
6 R OUT
7 R IN
8 GND
9 LED
To run the Z4 without a remote:
Connect 4-5 Power Switch
Connect 1-2 Route Left Channel
Connect 6-7 Route Right Channel
No Sub volume adjustement:
Add 10k resistor from 1-3 Mix left channel to sub
Add 10k resistor from 6-3 Mix right channel to sub Sub
Volume adjustment:
Add 10k resistor from 1-Pot top Mix left channel to sub
Add 10k resistor from 6-Pot top Mix right channel to sub
Add wire from Pot center to pin 3
Add wire from 8- Pot bottom Uncertain what 9 is used for LED.
