19
HTP-072
5
6
7
8
5
6
7
8
A
B
C
D
E
F
N
o FL DISPLAY
Are the voltage 2.3 Vac to 2.5 Vac?
(FRO
N
T Assy C
N
701 pins 7, 9)
This is just for general reference and does not including every single case.
Yes
N
o
N
o
N
o
N
o
N
o
N
o
N
o
Replace Power transformer.
Replace FLT701 or
replace FRO
N
T Assy.
Check Q17, R64, R65, R66, D23,
ZD24, ZD25 on MAI
N
Assy
or replace MAI
N
Assy.
Check FLT701, R779, R780 or
replace FRO
N
T Assy.
Yes
Check L701, IC701 or
replace FRO
N
T Assy.
N
o
N
o
Check Q702, Q703, R777, R778
or replace FRO
N
T Assy.
Replace CP14.
N
o
Is the voltage -30 V?
(FRO
N
T Assy C728 - side)
Is the voltage 3.3 V?
(FRO
N
T Assy C730 + side)
Are the voltage 2.28 Vac?
(FRO
N
T Assy FLT701
pins 1, 2, 38, 39)
Are the voltage -30 V?
(FRO
N
T Assy C
N
705
pins 24, 25)
Are the voltage -30 V?
(CPU Assy C
N
704B
pins 24, 25)
Are the voltage -30 V?
(CPU Assy CP2
pins 10, 11)
Are the voltage -30 V?
(MAI
N
Assy CP14
pins 10, 11)
Is the voltage 2.27 Vac
to 2.28 Vac?
(Transformer orange wire)
Yes
Replace FFC.
Replace FRO
N
T Assy.
Replace FLT701.
Yes
Yes
Is damage in FLT701?
Yes
Yes
Replace CP2 or replace CPU Assy.
Yes
Yes
N
o
No FL DISPLAY
Summary of Contents for HTP-072
Page 9: ...9 HTP 072 5 6 7 8 5 6 7 8 A B C D E F ...
Page 73: ...73 HTP 072 5 6 7 8 5 6 7 8 A B C D E F ...
Page 80: ...80 HTP 072 1 2 3 4 A B C D E F 1 2 3 4 C SIDE B CP2001 CP2000 Q2043 Q2041 IC2018 Q2038 ...
Page 81: ...81 HTP 072 5 6 7 8 5 6 7 8 A B C D E F C C D MAIN ASSY SIDE B CP2003 CP2006 CP2005 CP2200 ...
