Sanyo XM150 - No Power (Fan Control)

-68-
Troubleshooting
IC301
SYSTEM CONTROL
<PW392>
IC5201
FPGA
<XC3S50A>
IC7801
DAC
FAN
CONTROL
<M62393>
K78H
FN908
(PANEL)
S16V
K78G
FN907
(PANEL)
K78F
FN906
(PANEL)
TPFN6
IC7721
Q7722
FAN_CONT2
FAN_ENB1
PF_FN906
Q7782
Q7784
FAN_ENB3
Q7783
6
3
8
Q7721
L7721
Q7792
PF_FN904
Q7891
PF_FN909
Q7793
K78J
FN909
(PANEL)
K78D
FN904
(LAMP)
TPFN4
TPFN2
IC7881
3
42
1
K78E
FN902
(PBS)
IC7701
FAN_CONT1
FAN_CONT3
6
5
4
12
2, 3
3
8
Q7701
L7701
K78K
FN910
(PANEL)
K78L
FN911
(PANEL)
TPFN11
PF_FN902
Q7942
IC7921
3
42
1
FAN_CONT4
7
K78A
FN901
(POWER)
TPFN1
PF_FN901
Q7842
IC7821
3
42
1
FAN_CONT5
15
K78B
FN903
(LAMP)
TPFN3
PF_FN903
Q7843
IC7841
IC7802
AND
3
42
1
FAN_CONT6
14
K78C
FN905
(EXHAUST)
TPFN5
K8C
PF_FN905
Q7794
IC7861
IC886
PRESS-SENS
<HSPPAR003>
3
68
281
4
2
1
2
147 211 201 227 226 183 212
4
1
137
FAN_CONT7
FAN_DRIVE_B
13
6
PW_SCL0_S5V
PW_SDA0_S5V
PW_SCL0
PW_SDA0
FAN_DRIVE
PRESS_SENS
WINDS_SENS
Q7702
Q7781
Q7921
Q7821
Q7841
Q7861
WIND SENSOR
S901
No Power (Fan control)
Check that the Fan
voltage is correct on
each fan.
Check that the Fan Lock
si g nal is c o rre c t on
each fan.
Error: High
Check that the FAN_DRIVE
and FAN_DRIVE_B signals
are correct.
Power-on: High
FN902
FN905
FN901
FN910
FN908
FN909
FN903
FN904
FN906
FN907
FN911