When No Power ON
FL is not turned ON
FL indication is unusual
START
Is FL turn on ?
Is tray open ?
Is the indication
of FL normal ?
Do the video and
sound come on ?
Power ON
Yes
Yes
Yes
Yes
No
No
No
Turn on the power again
after 2 - 3 minutes.
Blow out thermistor or fuse on the POWER TRANSFORMER PC BOARD.
(Check the each voltage.)
FL controller IC (Q70I) on the DISPLAY CIRCUIT PC BOARD is damaged.
Blow out fuse or thermistor on the OUTPUT TERMINAL BOARD.
FL indication is dark or flickers.
No
Indicates the error message
Refer to the section "ERROR CODE".
Refer to the section "ERROR CODE".
Check the connection between OUTPUT TERMINAL BOARD and
DVD MAIN BOARD. (CN401 and CN501)
Indicate the error message.
Check the following connections :
Power supply voltage check. DVD MAIN BOARD Assy
DVD MAIN BOARD - OUTPUT TERMINAL BOARD
OUTPUT TERMINAL BOARD - DISPLAY CIRCUIT BOARD
Check each voltage (EV+5V, SW+5V, SW+3.3V, SW+12V, +6V and -28V)
(If above voltage are not supplied, check the fuse or thermistor. F911/912, R901/902)
Check the following connections :
DVD MAIN BOARD - LOAB Assy (5P connector assy E705)
Spindle
does not turn.
Carriage does
not move.
Yes
Laser diode
does not light.
Focus does
not in.
Yes
No
Check the following connections :
DVD MAIN BOARD - Spindle motor (12P flexible cable, CN105)
DVDM Assy - Carriage motor (4P flexible cable, CN104)
No
Check the following connection :
DVD MAIN BOARD - Pickup Assy (26P flexible cable, CN101)
Check it whether the pickup is defectiveness.
Check the LD current value.
Short or open the zener diode
on the OUTPUT TERMINAL BOARD.
(D1609)
OK
Condition
DV-SP800
TROUBLE SHOOTING
Summary of Contents for DV-SP800
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