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DVD-S657/DV-S5860
QQ
3 7 63 1515 0
A
Is logo displayed
on TV screen?
Yes
TE
L 13942296513
Does the tray
automatically close when
it is open?
Yes
www
.
B
14
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Is
No
Main Clock
normal ?
Is
reset signal
normal ?
Is
signal on FLASH
normal ?
Is
signal on DRAM
normal ?
Is image signal
at connector (Ref 1301) in
Mono Board normal?
Is image signal
at output terminal in AV
Board normal?
Check TV connection cable.
Are signals TROUT
No
(Pin 48 of MT1389) and TRIN
(Pin 49 of MT1389)
TRCLOSE & TROPEN
LOAD+ & LOAD-
x
ao
u163
y
Check the circuits connecting
i
to the DVD mechanism
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2 9
8
No
Check 74HCU04 and peripheral circuit.
Yes
No
Check NCP303 and peripheral circuit.
Yes
No
Check peripheral circuit of FLASH.
Yes
No
Check peripheral circuit of DRAM.
Yes
No
Check MT1389 and peripheral circuit.
Yes
Q Q
3
6 7
1 3
1 5
No
Check video filter circuit and
amplification circuit in AV board.
Yes
No
correct ?
Yes
Are signals
No
correct ?
Yes
Are signals
No
correct ?
Yes
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
Check the position-switch on
the DVD mechanism
Check the circuit between
MT1389 and MM1646
Check MM1646 and peripheral
circuit
m
Board
Ref
Name
MONO
7102
NCP303
MONO
7103
74HCU04
MONO
7111
MM1646
MONO
7112
MT1389
MONO
7302
DRAM 64M
MONO
7303
FLASH 16M
9 9
9 9
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