Disassembly And Assembly Instructions; Remove The Rear Cover; Remove The Pb-Board - Panasonic TH-C50FD18A Service Manual

7 Disassembly and Assembly Instructions

Caution:
Exchange printed circuit board after confirm parts number.
Parts name & Description
CIRCUIT BOARD A
CIRCUIT BOARD D
CIRCUIT BOARD SC
CIRCUIT BOARD SS
7.1.

Remove the Rear cover

1. See Service Hint (Section 3)
7.2. Remove the Fan unit
1. Unlock the cable clampers to free the cable.
2. Remove the screws (×3
3. Remove the relay connectors and remove the Fan unit.
4. Remove the screw (×1
5. Remove the Fan.
Parts No.
TNPH0721AQS
TNPA4439BJS
TXNSC1AWUU
TXNSS1AWUU
).
) on the back side.
7.3.

Remove the PB-Board

1. Unlock the cable clampers to free the cable.
2. Remove the screws (×2
3. Remove a short-jumper connectors (PB31 and PB32)
and re-use for new PB-Board.
4. Disconnect the connectors (PB30, PB33, PB34, PB35,
PB36 and PB37)
5. Remove the PB-Board.
7.4. Remove the P(AC)-Board
Caution:
To remove P.C.B. wait 1 minute after power was off for dis-
charge from electrolysis capacitors.
1. Unlock the cable clampers to free the cable.
2. Disconnect the connectors (P9, P51, P53 and P55).
3. Remove the screws (×6
Board.
18
).
) and remove the P(AC)-