Panasonic CT-32HX40CB, Руководство по обслуживанию

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Disassembly for Service
Back Cover
Remove all the screws marked with an arrow( )
from the back of the Receiver. (See Fig. 8)
Note: Screw configuration, type, and number
of screws vary depending on the
model of the Receiver serviced and
the application; various models are
covered in this Manual. Use same
hardware when reassembling the
receiver.
• 4 screws at the top edge of the Receiver.
• 4 screw by the A/V jacks.
• 1 screw by the antenna jacks.
• 1 screw by the
Dolby Center Ch Input.
• 1 screw at the lower part of TV.
• 1 screw at each lower corner of the Receiver.
• 1 screw by the retainer plate of the AC power cord.
• 1 screw by the AC Cord assembly.
Note: Extensions for board connectors may
be needed to take voltages on
H-Board, AG-Board, Q-Board and
P-Board, please see Parts List section
for part numbers in this Service
Manual.
A-Board - Main Chassis (See Fig. 49)
The H, AG and DG-Board are assembled on the Main
chassis (A-Board). When servicing these boards,
extension cables may be required. Cables kit can be
ordered from Matsushita Services Company, Part
No. TXAZS011SER. The A-Board assembly rest on a
chassis tray along with the D-Board.
Slide chassis tray out. Gently lift, tray and pull out.
Disconnect plug connectors; release wire ties and
holders as required for complete chassis removal.
A. A-Board is secured to the chassis tray with five
screws.
B. The D-Board is secured to the chassis tray with
five screws
C. The A-Board is mated to the D-Board by four
flexible connectors: A4, A5, A6 & A7 (D4, D5, D6 &
D7 on the D-Board, respectively). To remove either
boards, unplug the connectors on the A-Board.
Note: Some tie-wraps that secure the wire
dressings may need to be unfastened
for chassis removal.
L-Board - CRT Output
Plugs into the socket on the CRT neck.
To remove this board, first unplug the board from
the CRT neck, then disconnect L1, L2 & L3
connectors, to disconnect the focus F1(Red Cable)
& F2(White Cable) cables, pull the tab and release
the cables, finally disconnect the screen cable from
the D-Board D16.(See Fig. 6).
To reinsert back the cables, remember the original
position of cables, F1(red cable) goes to A on the
CRT socket and F2(white cable) goes to B on the
CRT socket.
Figure 5. F1 & F2 cables release
To release screen GND cables from L-Board L11 & L12
connectors, insert a wire in both sides of connector and
pull upwards the cable, then remove the wire
(See Fig. 6)
Figure 6. L-Board Screen GND cables release
H-Board - A/V Jacks, S-Video Connectors,
and S-Video Switch
Plugs onto A-Board at the A9 connector.
Note: Use a small flat head screwdriver to
release the connector locking tabs.
AG-Board
Plugs onto A-Board at the A25 & A26 connectors.
Note: Use a small flat head screwdriver to
release the connector locking tabs.
DG-Board
Plugs onto the A-Board at the A10 connector.
Note: This Board is Not-Serviceable.
When removing this board pull carefully.
Q-Board
Plugs onto the D-Board at the D8, D9 & D10
connectors.
P-Board
Plugs onto the right side of the D-Board at D1, D2
& D3 connectors; First remove the three screws
that holds the metal board, one from the flyback
Insert wire then
pull upwards
Note: To realease the
GND cable from
A20 connector
insert a wire in
both cavities of
connector, then
pull the cable.
Press tab
release cables
leftward to
Pull cables
upwards
Pull cable upwards
Insert wire