Panasonic MC-CG677-SC79, Service Manual

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3. Turn it over to remove the indicator ornamental plate unit.
4.6. Replacement of the P.C.B. DU,
P.C.B. KU, and indicator unit
1. Remove air inlet packing A.
2. Remove the indicator unit.
3. Remove the P.C.B. KU.
4. Remove the air inlet guide U and then remove the lead
wire AU from the P.C.B. DU.
5. Remove the P.C.B. DU from the air inlet guide tabs.