Panasonic PT-EW630UL

-85-
Troubleshooting
IC301
SYSTEM CONTROL
<PW392>
IC5201
FPGA
<XC3S50A>
IC7960
IC7850
IC7801
DAC
FAN
CONTROL
<M62393>
K78H
FN908
(PANEL)
S16V
K78G
FN907
(PANEL)
K78F
FAN_SPEED[5]
FAN_SPEED[6]
FAN_SPEED[7]
FAN_SPEED[10]
FAN_SPEED[9]
FAN_SPEED[8]
FAN_SPEED[3]
FAN_SPEED[1]
FAN_SPEED[0]
FN906
(PANEL)
TPFN6
IC7721
Q7722
FAN_CONT2
FAN_ENB1
Q7782
Q7784
FAN_ENB3
Q7783
6
3
8
Q7721
L7721
K78J
FN909
(PANEL)
K78D
FN904
(LAMP)
TPFN4
TPFN2
IC7881
3
4
2
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
IC7921
3
4
2
1
FAN_CONT4
7
K78A
FN901
(POWER)
TPFN1
IC7821
3
4
2
1
FAN_CONT5
15
K78B
FN903
(LAMP)
TPFN3
IC7841
3
4
2
1
FAN_CONT6
14
K78C
FN905
(EXHAUST)
TPFN5
K8C
IC7861
3
68
4
2
1
1
2 461210
1086
2412
3 3 11
13 13
5 9 5
11
FAN_PLS[6] FAN_PLS[7] FAN_PLS[8] FAN_PLS[9]
FAN_PLS[10] FAN_PLS[3] FAN_PLS[1] FAN_PLS[0] FAN_PLS[5] FAN_PLS[5]
1
137
FAN_CONT7
13
PW_SCL0_S5V
PW_SDA0_S5V
PW_SCL0
PW_SDA0
FAN_DRIVE
WINDS_SENS
Q7702
Q7881
Q7921
Q7821
Q7841
Q7861
WIND SENSOR
S901
FAN_PLS[4]
FAN_SPEED[4]
FAN_SPEED[2]
No power (fan control)
Check that the FAN_DRIVE is
correct.
Power-on: High
Check that the fan
voltage is correct on
each fan.
Check that the fan lock
signal is correct on each
fan.
Error: High
FN902
FN905
FN901
FN909
FN910
FN906
FN903
FN904
FN907
FN908
FN911