Philips LC4.6U, Руководство по обслуживанию

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4.3 Remoção do Painel / Conjunto
4.3 .1 Tampa Traseira
Atenção: Desconectar o cabo de força antes de remover a
tampa traseira.
1. Remova os parafusos, que prendem a tampa traseira.
Os parafusos estão localizados em cima, em baixo e
lateralmente; próximo às conexões I/O Lateral e Traseira.
Existem também três parafusos fundos localizados perto
do suporte.
2. Solte a tampa traseira do gabinete. Certifique-se que os
fios e os cabos flexíveis não foram danificados durante a
remoção da tampa.
4.3.2 Painel I/O Lateral
1. Desconecte os cabos do painel.
2. Para remover o suporte completo, remova os dois parafu-
sos do outro lado do painel.
3. Solte as duas braçadeiras e retire o painel do suporte.
4.3.3 Painel Chaves/LED
1. Remova os dois parafusos.
2. Desconecte o cabo traseiro do painel.
4.3.4 Painel de Controle Superior
1. Remova os dois parafusos.
2. Solte as duas braçadeiras e retire o painel do suporte.
4.3.5 Painel de Pequenos Sinais (SSB) e Filtro Comb 3D
Figura 4-4 Painel de Conectores SSB
Figura 4-5 Blindagem do SSB
1. Remova o parafuso médio (1) inferior do painel conector
(o que segura o suporte SSB).
Nota : Algumas vezes é mais fácil soltar o painel conector
inteiro e removê-lo junto com o SSB.
2. Remova todos os parafusos laterais do painel conector (2).
3. Remova os dois parafusos fêmeas do conector VGA (3).
4. Solte a trava plástica (4) de proteção e desconecte todos
os cabos do SSB.
Nota : Tome cuidado com o frágil conector LVDS no SSB.
5. Agora, remova completamente o SSB (junto com todas as
proteções) do aparelho.
6. Com o SSB fora, remova os parafusos da proteção (5).
7. Remova a proteção, dobre para o lado esquerdo (conforme
foto).
8. Remova os parafusos que seguram o painel e remová-o. Na
parte traseira do SSB o Filtro Comb 3D está fixado com clips
plástico.
Notas:
• Atenção especial para a espuma EMC na proteção SSB.
Ela deve ser recolocadasem sua posição iniciais durante a
remontagem do aparelho.
• Isole os pinos do tuner, assim eles não encostaram na prote-
ção ( veja a figura “Jumper de serviço SDM” no capítulo 5).
4.3.6 Painel de Alimentação do LCD
1. Desconecte todos os cabos do painel.
2. Remova os parafusos e retire o painel.
4.3.7 Painel de Áudio/LCD Standby
1. Desconecte todos os cabos do painel.
2. Remova os parafusos e retire o painel.
4.3.8 Painel LCD
Figura 4-6 Painel LCD
1. Remova os parafusos T10 do chassis (1).
2. Remova todos os parafusos T20 do painel LCD (2).
3. Importante: Desligue o conector LVDS (3) do painel LCD.
Tome cuidado
, este conector é muito frágil!
4. Desligue os conectores seguintes (4).
- Luz traseira LCD (desconecte na lateral LCD).
- Alto-falante ( mais fácil desconectar o alto-falante e libe-
rar um pouco os suportes do cabo).
- Cabo de Controle Superior (desconecte na lateral SSB).
- LED entre cabo/ Painel Chave e SSB.
5. Solte o chassis (junto com todos os paineis) do painel LCD.
6. Depois de remover o chassis, você pode liberar o display
LCD do aparelho.
4.9 Remontagem
Para remontar o aparelho, faça todo o processo na ordem
inversa.
Notas:
• Na remontagem, certifique-se que todos os cabos estão na
posição original e conectados.Veja fig. “ Posição dos cabos.
• Atenção especial: não danifique as espumas EMC na
proteção SSB. Verifique se as espumas EMC estão colo-
cadas corretamento em suas posições.
Mechanical Instructions EN 7 LC4.6U AA 4.
4.3
Assy/Panel Removal
4.3.1
Rear Cover
Warning: Disconnect the mains power cord before you remove
the rear cover.
1.
Remove the screws, which secure the rear cover. The
screws are located at the top, bottom, left and right sides;
next to the Side/IO and Rear connections. There are also
three deeper located screws next to the stands.
2.
Lift the rear cover from the cabinet. Make sure that wires
and flat foils are not damaged during cover removal.
4.3.2
Side I/O Panel
1.
Disconnect the cable from the panel.
2.
To replace the complete bracket, remove the two fixation
screws on either side of the panel.
3.
Release the two fixation clamps and lift the panel out of the
bracket.
4.3.3 LED/Switch Panel
1. Remove the two fixation screws.
2.
Disconnect the cable from the rear of the panel.
4.3.4 Top Control Panel
1.
Remove the two fixation screws.
2.
Release the two fixation clamps and lift the panel out of the
bracket.
4.3.5
Small Signal Panel (SSB) and 3D Comb Filter
Figure 4-4 SSB Connector plate
Figure 4-5 Shielding of the SSB
1.
Remove the middle fixation screw (1) from the bottom side
of the connector plate (as this holds the SSB bracket).
Note: Sometimes it is easier to loosen the complete
connector plate and remove it together with the SSB.
2.
Remove all connector fixation screws (2) from the front
side of the connector plate.
3.
Remove the two female screw locks (3) of the VGA
connector.
4.
Release the plastic cable clips (4) on the shielding and
disconnect all cables from the SSB.
Note: Be careful with the fragile LVDS connector on the
SSB.
5.
Now, completely remove the SSB (together with all the
shieldings) from the set.
6.
Once the SSB is out, remove the fixation screws (5) from
the shielding.
7.
Remove the shielding, it hinges at the left side (acc. photo).
8.
Remove the fixation screws that hold the panel, and take
out the panel. On the rear side of the SSB, the
3D Comb
Filter is mounted with plastic clips.
Notes:
•
Pay special attention to the EMC foam on the SSB
shielding. These must be replaced in their initial positions
during set re-assembly.
•
Insulate the tuner pins, so they cannot touch the shielding
(see also figure “SDM Service jumper” in Chapter 5).
4.3.6
LCD Supply Panel
1.
Disconnect all cables from the panel.
2.
Remove the fixation screws and take out the panel.
4.3.7
LCD Standby/Audio Panel
1.
Disconnect all cables from the panel.
2. Remove the fixation screws and take out the panel.
4.3.8 LCD Panel
Figure 4-6 LCD panel disassembly
1. Remove the T10 screws (1) from the mounting frame.
2. Remove all mounting LCD panel T20 screws (2).
3. Important: Unplug the LVDS connector (3) at the LCD
panel.
Be careful, as this is a very fragile connector!
4.
Unplug the following connectors (4).
–
LCD back light (disconnect at the LCD side)
–
Loudspeaker (easiest to disconnect at the speaker and
to release the cable holders a little.
–
Top Control cable (disconnect at SSB side).
– Cable between LED/Switch panel and SSB.
5. Lift the metal frame (together with all CBAs) from the LCD
panel.
6.
After removal of the frame, you can lift the LCD display
from the set.
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Mechanical Instructions EN 7 LC4.6U AA 4.
4.3
Assy/Panel Removal
4.3.1
Rear Cover
Warning: Disconnect the mains power cord before you remove
the rear cover.
1.
Remove the screws, which secure the rear cover. The
screws are located at the top, bottom, left and right sides;
next to the Side/IO and Rear connections. There are also
three deeper located screws next to the stands.
2.
Lift the rear cover from the cabinet. Make sure that wires
and flat foils are not damaged during cover removal.
4.3.2
Side I/O Panel
1.
Disconnect the cable from the panel.
2.
To replace the complete bracket, remove the two fixation
screws on either side of the panel.
3.
Release the two fixation clamps and lift the panel out of the
bracket.
4.3.3 LED/Switch Panel
1.
Remove the two fixation screws.
2.
Disconnect the cable from the rear of the panel.
4.3.4 Top Control Panel
1.
Remove the two fixation screws.
2.
Release the two fixation clamps and lift the panel out of the
bracket.
4.3.5
Small Signal Panel (SSB) and 3D Comb Filter
Figure 4-4 SSB Connector plate
Figure 4-5 Shielding of the SSB
1.
Remove the middle fixation screw (1) from the bottom side
of the connector plate (as this holds the SSB bracket).
Note: Sometimes it is easier to loosen the complete
connector plate and remove it together with the SSB.
2.
Remove all connector fixation screws (2) from the front
side of the connector plate.
3.
Remove the two female screw locks (3) of the VGA
connector.
4.
Release the plastic cable clips (4) on the shielding and
disconnect all cables from the SSB.
Note: Be careful with the fragile LVDS connector on the
SSB.
5.
Now, completely remove the SSB (together with all the
shieldings) from the set.
6.
Once the SSB is out, remove the fixation screws (5) from
the shielding.
7.
Remove the shielding, it hinges at the left side (acc. photo).
8.
Remove the fixation screws that hold the panel, and take
out the panel. On the rear side of the SSB, the
3D Comb
Filter is mounted with plastic clips.
Notes:
•
Pay special attention to the EMC foam on the SSB
shielding. These must be replaced in their initial positions
during set re-assembly.
•
Insulate the tuner pins, so they cannot touch the shielding
(see also figure “SDM Service jumper” in Chapter 5).
4.3.6
LCD Supply Panel
1.
Disconnect all cables from the panel.
2.
Remove the fixation screws and take out the panel.
4.3.7 LCD Standby/Audio Panel
1. Disconnect all cables from the panel.
2.
Remove the fixation screws and take out the panel.
4.3.8 LCD Panel
Figure 4-6 LCD panel disassembly
1. Remove the T10 screws (1) from the mounting frame.
2. Remove all mounting LCD panel T20 screws (2).
3. Important: Unplug the LVDS connector (3) at the LCD
panel.
Be careful, as this is a very fragile connector!
4.
Unplug the following connectors (4).
–
LCD back light (disconnect at the LCD side)
–
Loudspeaker (easiest to disconnect at the speaker and
to release the cable holders a little.
–
Top Control cable (disconnect at SSB side).
– Cable between LED/Switch panel and SSB.
5. Lift the metal frame (together with all CBAs) from the LCD
panel.
6.
After removal of the frame, you can lift the LCD display
from the set.
1
6
10
11
5
15
19 1
18 2
E_14710_060.eps
030804
(PDP)
(PDP)
(LCD)
2
3
1
E_14710_003.eps
210404
5
4
E_14710_061.eps
030804
2
4
4
3
4
2
4
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Mechanical Instructions EN 7 LC4.6U AA 4.
4.3
Assy/Panel Removal
4.3.1
Rear Cover
Warning: Disconnect the mains power cord before you remove
the rear cover.
1. Remove the screws, which secure the rear cover. The
screws are located at the top, bottom, left and right sides;
next to the Side/IO and Rear connections. There are also
three deeper located screws next to the stands.
2.
Lift the rear cover from the cabinet. Make sure that wires
and flat foils are not damaged during cover removal.
4.3.2
Side I/O Panel
1.
Disconnect the cable from the panel.
2.
To replace the complete bracket, remove the two fixation
screws on either side of the panel.
3. Release the two fixation clamps and lift the panel out of the
bracket.
4.3.3 LED/Switch Panel
1.
Remove the two fixation screws.
2.
Disconnect the cable from the rear of the panel.
4.3.4 Top Control Panel
1.
Remove the two fixation screws.
2.
Release the two fixation clamps and lift the panel out of the
bracket.
4.3.5
Small Signal Panel (SSB) and 3D Comb Filter
Figure 4-4 SSB Connector plate
Figure 4-5 Shielding of the SSB
1.
Remove the middle fixation screw (1) from the bottom side
of the connector plate (as this holds the SSB bracket).
Note: Sometimes it is easier to loosen the complete
connector plate and remove it together with the SSB.
2.
Remove all connector fixation screws (2) from the front
side of the connector plate.
3.
Remove the two female screw locks (3) of the VGA
connector.
4. Release the plastic cable clips (4) on the shielding and
disconnect all cables from the SSB.
Note: Be careful with the fragile LVDS connector on the
SSB.
5.
Now, completely remove the SSB (together with all the
shieldings) from the set.
6.
Once the SSB is out, remove the fixation screws (5) from
the shielding.
7.
Remove the shielding, it hinges at the left side (acc. photo).
8. Remove the fixation screws that hold the panel, and take
out the panel. On the rear side of the SSB, the
3D Comb
Filter is mounted with plastic clips.
Notes:
•
Pay special attention to the EMC foam on the SSB
shielding. These must be replaced in their initial positions
during set re-assembly.
•
Insulate the tuner pins, so they cannot touch the shielding
(see also figure “SDM Service jumper” in Chapter 5).
4.3.6
LCD Supply Panel
1.
Disconnect all cables from the panel.
2. Remove the fixation screws and take out the panel.
4.3.7 LCD Standby/Audio Panel
1. Disconnect all cables from the panel.
2.
Remove the fixation screws and take out the panel.
4.3.8 LCD Panel
Figure 4-6 LCD panel disassembly
1.
Remove the T10 screws (1) from the mounting frame.
2.
Remove all mounting LCD panel T20 screws (2).
3. Important: Unplug the LVDS connector (3) at the LCD
panel.
Be careful, as this is a very fragile connector!
4.
Unplug the following connectors (4).
–
LCD back light (disconnect at the LCD side)
–
Loudspeaker (easiest to disconnect at the speaker and
to release the cable holders a little.
– Top Control cable (disconnect at SSB side).
–
Cable between LED/Switch panel and SSB.
5.
Lift the metal frame (together with all CBAs) from the LCD
panel.
6.
After removal of the frame, you can lift the LCD display
from the set.
1
6
10
11
5
15
19 1
18 2
E_14710_060.eps
030804
(PDP)
(PDP)
(LCD)
2
3
1
E_14710_003.eps
210404
5
4
E_14710_061.eps
030804
2
4
4
3
4
2
4
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