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Chassis Block Diagrams
Fan control circuit
S16V
215
P_FAIL
Power-On:H
190
FAN_SW1
Power-On:H
98
FAN_SW2
30
128
374
SCL0
212, 293
SDA0
9
Q7801
2
Q7813
Q7862
IC7841
Regulator
Q7802
LAM_SCI
IC9885
SUB CPU
TPFANA
Q7812
FAN_A
10
D3613
IC7811
6
8
12
Q7864
TPFANB
FAN_B
TPFANC
D3614
FAN_C
Q7842
D3644
Q3601
P_FAIL
Power Error: On
FAN_ERR
IC4891
NAND
1
2
SIGNAL/MODE
POWER-ON
FAN_SW1
H
NORMAL
P_FAIL
H
IC8811
IC8821
TEMP.
TEMP.
SENSOR1
SENSOR2
<MCP9801T-M>
<ADT75BRMZ>
<ADT75BRMZ>
2
1
2
1
R/C
-60-
FN003
K6E
1
2
D3623
FN004
K6G
1
2
D3622
FN005
K6S
1
2
D3621
FN001
K6P
1
2
D3628
FN002
K6K
1
1
2
1
D3626
P_Fail: H
LAMP
COVER
K8S
SW902
4
2
1
STAND-BY
LAMP
L
BALLAST
4
K8H
BOARD
ERROR
L
IC8831
TEMP.
SENSOR3
2
1
MAIN
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