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Chassis Block Diagrams
Fan control circuit
S15.5V
215
P_FAIL
370
P_FAIL_FAN
Power-On:H
269
FAN_SW1
Power-On:H
363
FAN_SW2
413
BALAST_AC
212, 293
SCL0
SDA0
7
Q7811
IC7811
8
7
Q7861
IC7861
8
7
Q7841
IC7841
8
Q7844
Q7801
Q7802
1
2
IC3531
D/A
<M62334>
7
IC1371
SCL0_5V
BUS-SW
SDA0_5V
TPFANA
Q7812
FAN_A
6
D3613
3
Q7813
TPFANB
Q7862
FAN_B
6
D3614
3
Q7864
P_FAIL
FAN_ERR
TPFANC
Q7842
FAN_C
6
D3644
3
P_FAIL_FAN
1
2
SIGNAL/MODE
3
POWER-ON
FAN_SW1
FAN_SW2
NORMAL
P_FAIL
8
P_FAIL_FAN
IC8811
IC8821
TEMP.
TEMP.
SENSOR3
SENSOR2
<LM76CH>
<LM76CH>
2
1
2
1
-50-
K8N
1
2
D3621
K6M
1
2
D3622
K6L
1
2
D3623
K6K
1
2
D3626
K6J
1
2
D3627
1
2
Q3601
P_Fail: H
Power Error: On
K8G
1
2
D3628
Q3601
P_Fail: H
Power Error: On
IC4891
NAND
K8S
4
3
1
STAND-BY
LAMP
H
L
BALLAST
4
K8H
BOARD
ERROR
H
L
K8H
4
MAIN BOARD
FN903
FN904
FN905
FN901
FN902
FN907
LAMP
COVER
SW901
TEMP
IC4831
TEMP.
SENSOR1
<LM76CH>
2
1
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