Panasonic SU-HTB550GK, Service Manual

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12.1.4. Checking and Repairing of DAMP
P.C.B. (Side A)
Step 1 : Remove Top Cabinet.
Step 2 : Remove Rear Panel.
Step 3 : Remove the DAMP P.C.B..
Step 4 : Place the DAMP P.C.B. on an Insulated Material.
Step 5 : Remove 3 screws.
Step 6 : Lift up the DAMP P.C.B. as arrow shown.
Caution 1: Keep the Heatsink Spacer in safe place. Avoid
denting it, place it back during assembling.
Caution 2: Handle the DAMP Heatsink & P.C.B. with caution
due to it’s high temperature after prolonged use. Touching
it may lead to injuries.
Step 7 : Attach 6P Cable Wire at the connector (CN5900) on
DAMP P.C.B..
Step 8 : Attach 40P FFC at the connector (CN5200) on DAMP
P.C.B..
Step 9 : DAMP P.C.B. (A side) can be checked and repaired as
diagram shown.