Panasonic TH-50PZ85U, Service Manual

Page: 17 / 131

17
7 Disassembly and Assembly Instructions
7.1. Remove the Rear cover
1. See Service Hint (Section 3)
7.2. Remove the Rear cover bottom
1. Remove the screws (
×
9 ).
2. Remove the Rear cover bottom.
7.3. 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 ) on the back side.
5. Remove the Fan.
7.4. 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.
7.5. 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 ) and remove the P(AC)-
Board.