Power supply and DC-DC converter
SW_REG
DC/DC Converter
6.5V
UV_DET
12V
UV_DET
PD_TRG
L_act
RST2 (L_act)
PD_DCDC1 (L_act)
PD_TRG (H_act)
PSW1 (L_act)
POWER (H_act)
V+3V_DD
L_act
V+12V
V+3V_DD
0V_DET
V+1V_DD
0V_DET
V+1V_DD
RST_IC
V+3V_DD
RST_IC
MAIN_UCOM
PULL_U
POWER SUPPLY Unit AV BOARD Assy
REG Assy
MR MAIN BOARD Assy
SENSOR
Fan and temperature sensor
Drive Circuit
FAN_12V
FAN_CONT
FAN_NG (H_act)
TEMP2TEMP2
FRONT Assy
MR MAIN BOARD Assy
V+3V_COM
PULL_U
V+3V_COM
PULL_U
MAIN_UCOM
Port Name SD/PD Indication Assigned Pin Active
PD_MAIN (PD_TRG) MR_PWR 38 Power-down with H
PD_DCDC1 ASIC power supply 43 Shutdown with L
RST2 ASIC power supply 98 Shutdown with L
Port Name SD/PD Indication Assigned Pin Active
FAN_NG FAN 31 Shutdown with H
TEMP2 Abnormally high
temperature in the
MR
50 Shutdown when the
value exceeds the
predetermined value
Circuit diagram
Circuit diagram
Specifications for port monitoring
Specifications for port monitoring