DAV-DZ350/DZ650/DZ950
DAV-DZ350/DZ650/DZ950
19
19
3. Flow When “PROTECT” is Displayed
4. Flow When “REG ERR” is Displayed
5. Flow When “LOCKED” is Displayed
“PROTECT” is
displayed on the
fluorescent
indicator tube.
Check that the speakers are connected.
NG
After the speakers are disconnected, check that
the “PROTECT” is displayed on the fluorescent
indicator tube.
NG
Check the connection state of the speakers.
OK
OK
Check that voltage (+3.3 V) is outputted from the
emitter of Q500 on the MAIN board.
NG
OK
Check that there is no heat damage in the
appearance of IC501/IC502/IC503 on the
MAIN board.
OK
Exchange the MAIN board.
NG
Exchange the IC501/IC502/IC503.
Part No.
9-885-183-86
Description
IC TAS5352A
Exchange the MAIN board.
Exchange the MAIN board.
“REG ERR” is
displayed on the
fluorescent
indicator tube.
Exchange the MAIN board.
“LOCKED” is
displayed on the
fluorescent
indicator tube when
the EJECT button
on main unit.
Press the EJECT and STOP button on main unit
five seconds or more simultaneously.
Check that “UNLOCKED” is displayed on the
fluorescent indicator tube, after “PLEASE WAIT”
is displayed.
NG
OK
Press the EJECT button on main unit, and check
that the display on the fluorescent indicator tube
is disappeared.
NG
Exchange the MAIN board.
OK
End
SECTION 4
TROUBLESHOOTING
1. Mecha check
fl
ow
2. Flow When “OVERLOAD” is Displayed
Check that the disc
playback is
possible.
OK
OK
Check that the FFC1 is correctly inserted in
CN100 on the MAIN board.
NG
Reinsert the FFC1.
NG
Check that FFC1 is not disconnected.
NG
Exchange the FFC1.
Part No.
9-885-183-84
OK
Check that the DVD IM LOADER (CMS-LS5FP)
is normal.
NG
Description
WIRE KIT (FFC) (24P)
OK
Exchange the MAIN board.
Exchange the LOADER and TRAVERSE.
Part No.
9-885-194-42
9-885-194-43
Description
LOADER
TRAVERSE (Optical pick-up
block:
CMS-S79RFVP)
Exchange the LOADER.
Part No.
9-885-194-42
Description
LOADER
Check that the
tray opens and
closes.
NG
OK
“OVERLOAD” is
displayed on the
fluorescent
indicator tube.
After the internal USB wire of CN202 on the
MAIN board is disconnected, check that the
display disappears if the power is turned on again.
NG
Exchange the MAIN board.
OK
Exchange the FUNCTION KEY board.
Part No.
9-885-183-81
Description
FUNCTION KEY BOARD, COMPLETE
(Included in complete PANEL,
SWITCH board)
Ver. 1.5