
4-6
N o display on VFD , and buttons do not w ork
N o
N o
N o
Yes
Yes
N o display on VFD , and
buttons do not w ork
C heck w hether there is
correct contact betw een
C O N 301 and C N 5
C orrect connection
Fix pow er supply board top
a pow er supply for should
electric circuit
C heck the U 2’s pin 99-101 arrive
the C N 5 connect condition
C orrect connection
R eplace U 301 or VFD
Yes
Yes
Yes
N o
check-24V+12V,VC C (+5v)
voltage on the pow er and
front board
C heck there are VSTB,
VSD A0 and VSC K signals
on C O N 301 on the front
1.C heck w hether bad solder exists on
U 301 and pins of VFD ,
2.C heck w hether the circuit connected to
K302, K303, K304 and K301 is broken,
3.C heck w hether R 300, R 301 and R 302
are open-circuit.
Trouble shooting chart
CN 5 (PIN 3 V.SCK )
CN 5 (PIN 5 V SD A 0)
CN 5 (PIN 4 V STB)
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Summary of Contents for DVP5100
Page 29: ... 7 3 7 3 PowerBoar d Top Si de www freeservicemanuals info It s Free ...
Page 34: ... 8 6 8 6 DVP5100 K M peg Boar d Top si de www freeservicemanuals info It s Free ...
Page 35: ... 8 7 8 7 DVP5100 K M peg Boar d Bot t om si de www freeservicemanuals info It s Free ...
Page 40: ... DVP5500S DVP5505S M peg Boar d Top si de 8 12 8 12 www freeservicemanuals info It s Free ...
Page 43: ...DVP5100 K Exploded View 9 1 www freeservicemanuals info It s Free ...
Page 44: ...DVP5500S DVP5505S Exploded View 9 3 www freeservicemanuals info It s Free ...