27
SC-71
5
6
7
8
5
6
7
8
A
B
C
D
E
F
NO FL DISPLAY
This is just for general reference and does not including every single case.
No FL DI
S
PLAY
Dimmer ?
No
"FL OFF"LED
Light on ?
Yes
No
JP6001 6, 7pin
4.3Vac
Yes
No
No
V6001(FL Display)
damage ?
Yes
No
Yes
Replace V6001
(FL Display)
Check the path of FL AC1 and 2 power
supply or replace DI
S
PLAY A
SS
Y
Check DI
S
PLAY A
SS
Y
Check DI
S
PLAY A
SS
Y
JP6001 5pin -30V (VF)
JP6001 4pin +5V
No
Yes
Check the path of V+5_V,-VF
(
S
ignal path is same as FL AC1 and 2)
All NG
All NG
Replace MAIN TRAN
S
Diagnose or replace
NG A
SS
Y
Other results
Other results
Diagnose the circuits
(around D6010)
or replace DI
S
PLAY A
SS
Y
Diagnose around IC6003
or replace DI
S
PLAY A
SS
Y
Check DI
S
PLAY A
SS
Y
Check DI
S
PLAY A
SS
Y
X6002 Oscillating
(5MHZ)
Yes
No
Replace X6002, IC6003
or DI
S
PLAY A
SS
Y
Check the path of FL AC1 and 2
DI
S
PLAY A
SS
Y
V-REG_
SS
A
SS
Y
MAIN TRAN
S
V-REG_
SS
A
SS
Y
(around IC7552,D7563)
or replace V-REG_
SS
A
SS
Y
Check DI
S
PLAY A
SS
Y
V6001(FL Display)
1, 62pin 4.3Vac
Check DI
S
PLAY A
SS
Y
IC6003(FL COM)
1pin +5.0V (V+5_V)
6pin +5.0V (XFLR
S
T)
Check the path of V+5_V or XFLR
S
T
or replace DI
S
PLAY A
SS
Y
No
Yes
