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Chassis Block Diagrams
Fan control circuit
S15.5V
225
FAN_K8N
152
POWER_FAIL
220
FAN_SW1
226
FAN_SW2
81
BALAST_AC
135,134
SCL1
SDA1
Q7811
8
Q7861
8
3
2
IC1871
OPE.AMP
7
Power-On:H
<M62398>
2
SCL1_5
Q1371/Q1372
SDA1_5
TPFANA
Q7812
FANA
7
6
IC7811
3
Q7813
TPFANB
Q7862
FANB
7
6
IC7861
3
Q7864
P_FAIL
FAN_ERR
Power Error: On
SIGNAL/MODE
8
FAN_SW1
IC3531
D/A
P_FAIL
3
IC8811
IC8821
TEMP.
TEMP.
SENSOR3
SENSOR2
<LM76CH>
<LM76CH>
2
1
2
-41-
K6L
D3621
D3613
K6M
D3622
K8P
D3624
D5621
K6K
D3623
D3614
K6J
Q7803
D3626
K8N
D3627
Q3601
P_Fail: H
K6Q
POWER-ON
STAND-BY
H
L
NORMAL
ERROR
H
L
IC4891
NAND
1
K8S
4
2
IC8831
TEMP.
K8H
SENSOR1
<LM76CH>
1
2
1
MAIN BOARD
FN904
1
2
FN903
1
2
FN906
1
2
FN901
1
2
FN902
1
2
FN905
1
1
C7801
SUB
POWER
BOARD
LINE
FILTER
BOARD
SW901
3
1
LAMP
BALLAST
1
BOARD
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