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5
Fan and temperature sensor
Circuit configuration
KEY Assy
SENSOR
FAN
Specifications for port monitoring
Port Name
SD/PD Indication Determination Condition
FAN_NG2
FAN
TEMP2
High temperature at
MR
5
6
MAIN BLOCK Assy
TEMP2
FAN_VCC2
Monitoring conditions
Shutdown occurs when
RST4 = H and FAN_ON2 = H
the signal is "H."
(Monitoring starts 3 sec after the
1 S ∗ 3 times
above conditions are established.)
Shutdown occurs if any
RST4 = H
values equal to or
(Monitoring starts 1 sec after the
greater than minimum to
above conditions are established.)
require a shutdown are
detected.
1 S ∗ 3 times
KRP-M01
6
7
V+3_4V_D
PULL_U
TEMP2
V+3_4V_ACT2
PULL_U
FAN ON2
Drive
FAN CONT2
Circuit
FAN_NG2 (H act)
Shutdown occurs immediately
Blue LED flashes 10 times
In the Panel screen ON: Shutdown occurs after the
warning indication is displayed for 30 sec.
In the Functional STB: Shutdown occurs immediately
Blue LED flashes 11 times
7
8
IF_UCOM
DAC
MAIN_UCOM
Operation
67
8
A
B
C
D
E
F

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