1-7
TH-A30
Prior to performing the following procedure, remove
the top cover, front panel assembly, power cord,
DVD mechanism assembly, jack board and DSP
board.
Disconnect the card wire from the connector CW8 on
the main board.
Disconnect the harness from the connector ACW2,
ACW3, ACW4 and ACW5 on the main board.
Remove the five screws J attaching the speaker
terminals and jack to the rear panel (see fig.7).
Remove the nine screws M2 attaching the main
board.
When the rear panel is not removed, pull up the
main board from front side.
1.
2.
3.
4.
5.
Prior to performing the following procedure, remove
the top cover, front panel assembly, DVD
mechanism assembly, jack board, DSP board and
main board.
After removing the solder part 1 soldered to the main
board, remove each screw and remove the heat sink
from the power transistor.
After removing the solder part 2 soldered to the main
board, remove each screw and remove the heat sink
from the power IC.
1.
2.
Removing the main board (See Fig.10)
Prior to performing the following procedure, remove
the top cover, front panel assembly, DVD
mechanism assembly and jack board.
Remove the harness band fixing the harness.
Disconnect the harness from the connector J9 and
J10 on the DSP board.
Disconnect the card wire from the connector J1 and
J3 on the DSP board.
Remove the one screw L attaching the DSP board.
Remove the screw M1 and remove the earth wire.
Remove the one screw I attaching the DSP board to
the rear panel (see fig.7).
Pull up the DSP board from the front side upwards
disconnecting the connector J2, J5, J6 and J7.
1.
2.
3.
4.
5.
6.
7.
Removing the DSP board (See Fig.9)
Removing the power transistor & power IC
(See Fig.10 to 12)
Fig.11
M2
M2
M2
M2
L
Solder part 1
(Each power transistor is fixed)
Solder part 2
(Power IC is fixed)
Main board
(Reverse side )
Fig.9
Fig.10
ACW2
J9
J10
ACW3
ACW5
Heat sink2
Heat sink3
Heat sink1
ACW4
CW8
J6
J5 J7
J2
J1
J3
DSP board
Harness band
(Rear panel side)
(Front panel side)
Main board
Solder part 3
(Power IC is fixed)
M1
(fixing the
earth wire)
Содержание TH-A30
Страница 29: ...1 29 TH A30 M E M O ...
Страница 38: ...H A B C D E F G 2 6 TH A30 TH A30 oard Switch board Display board d circuit boards ...
Страница 39: ...A B C D E F G 2 7 TH A30 ain board Jack board ...
Страница 40: ...H A B C D E F G 2 8 TH A30 TH A30 ader board Forward side DVD MPEG board Forward side ...
Страница 41: ...A B C D E F G 2 9 TH A30 DVD loader board Reverse side VD MPEG board Reverse side ...
Страница 42: ...H A B C D E F G 2 10 TH A30 TH A30 e side ard d side ...
Страница 43: ...TH A30 M E M O ...
Страница 65: ...TH A30 3 21 M E M O ...