18
DVD-1930
FLOW CHART NO.17
[No Disc] indicated. (When the focus servo is not functioning.)
FLOW CHART NO.18
[No Disc] indicated. (When the laser beam does not light up.)
Replace the DVD Main CBA Unit.
Replace the DVD Mechanism.
No
Yes
Replace the DVD Main CBA Unit.
Replace the DVD Mechanism.
No
Yes
No improvement can be found.
Original DVD Main CBA Unit is poor.
No improvement can be found.
Original DVD Main CBA Unit is poor.
FLOW CHART NO.16
[No Disc] indicated. (When the focus error occurs.)
Replace the DVD Main CBA Unit.
No improvement can be found.
Original DVD Main CBA Unit is poor.
Replace the DVD Mechanism.
No
Yes
Yes
FLOW CHART NO.15
The disc tray cannot be opened and closed.
Replace the DVD Main CBA Unit.
Original DVD Main CBA Unit is poor.
Replace the DVD Mechanism.
No improvement can be found.
No
Yes
FLOW CHART NO.14
The disc tray cannot be opened and closed. (It can be done using the remote control unit.)
Is the normal control voltage inputted to Pin(4) of
IC2001? Refer to "FLOW CHART NO.12" <The key
operation is not functioning.>
Refer to "FLOW CHART NO.15" <The disc tray
cannot be opened and closed.>
Replace the "OPEN/CLOSE" button (SW2108).
No
FLOW CHART NO.19
Both functions of picture and sound do not operate normally.
Replace the DVD Main CBA Unit.
Replace the DVD Mechanism.
No
Yes
No improvement can be found.
Original DVD Main CBA Unit is poor.
Содержание DVD DVD-1930
Страница 31: ...31 DVD 1930 DVD Main 1 7 Schematic Diagram 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT...
Страница 32: ...32 DVD 1930 DVD Main 2 7 Schematic Diagram...
Страница 34: ...34 DVD 1930 DVD Main 3 7 Schematic Diagram...
Страница 35: ...35 DVD 1930 DVD Main 4 7 Schematic Diagram...
Страница 36: ...36 DVD 1930 DVD Main 5 7 Schematic Diagram...
Страница 37: ...37 DVD 1930 DVD Main 6 7 Schematic Diagram...
Страница 38: ...38 DVD 1930 DVD Main 7 7 Schematic Diagram...
Страница 40: ...40 DVD 1930 AV 2 3 Schematic Diagram 2...
Страница 42: ...42 DVD 1930 5 1ch Amp Schematic Diagram 2...
Страница 48: ...48 DVD 1930 Packing A22 S1 S2 S4 Unit S2 X10 X5 X2 X4 X12 X1 A30 A30...
