PDP-436SXE
136
1
2
3
4
1
2
3
4
C
D
F
A
B
E
7.2.2 PROCESSING IN ABNORMALITY
Power supply and DC-DC converter
SW_REG
DC/DC Converter
MODULE_Ucom
IIC Communication
Device
3-wire serial Communication NG
IIC Communication NG
PSW2 (L_act)
RELAY (H_act)
ASIC
ON/OFF
ANT
V+5.1V_STB
V+3.3V_STB
Overcurrent
Detection
Inversion
MAIN_UCOM
Latch
POWER SUPPLY Unit
POWER SUPPLY Unit
R06 D-TUNER Assy
OBE MAIN Assy
OB DIGITAL Assy
Port Name
SD/PD Indication Assigned Pin
Active
ANT_POW_EU
DTB antenna
short-circuit
IF_37
Warning with L
Circuit diagram
Power supply for DTB Antenna (436SXE Model Only)
Circuit diagram
Specifications for port monitoring
ANT_POW_B
H: OFF
L: ON
ANT_POW_EU
Observation
OBE MAIN Assy
DTB_UCOM
STI5517DWAL
MAIN_UCOM
At short: L hold
H : ON
L : OFF
STV0361L