Standard Horizon MATRIX GX3000S, Service Manual

Page: 41 / 54

41
CNTL Unit
Circuit Diagram
13.80 V
4.93 V
13.76 V
5.05 V
2.87 V
5.00 V
2.45 V
0 V
KEY BEEP: 0.5 Vp-p
5.4 Vp-p
4.4 Vp-p
CPU5V
RESET
90 msec
CONTRAST
Min.: 1.32 V
Max.: 3.65 V
CONTRAST
Min.: 0.73 V
Max.: 3.04 V
DIMMER OFF: 0 V
DIMMER MAX.: 8.07 V
DIMMER OFF: 13.75 V
DIMMER MAX.: 11.46 V
DIMMER OFF: 0 V
DIMMER MAX.: 4.19 V
DIMMER OFF: 0 V
DIMMER MAX.: 4.77 V
3 µsec
MAX. 4.56 V
PTT ON: 0 V
MIC DWN: 3.40 V
MIC UP: 2.00 V
PTT ON: 0 V
PTT ON: 0 V