Panasonic SA-PM5EG / SA-PM5EB / SA-PM5EP / SC-PM5EP Service Manual ▷ View online
37
Step 3 : Solder pins of the Power Amp IC (IC5101).
Caution : Check for solderability of the Power Amp IC
Caution : Check for solderability of the Power Amp IC
(IC5101).
10.15. Disassembly of Transformer
P.C.B.
• Follow the (Step 1) - (Step 6) of Item 10.4.
• Follow the (Step 1) - (Step 6) of Item 10.6.
• Follow the (Step 1) - (Step 6) of Item 10.6.
Step 1 : Remove 1 screw.
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Step 2 : Detach 7P Cable at the connector (CN5903) on Trans-
former P.C.B.
Step 3 : Detach 4P Cable at the connector (CN5101) on Power
P.C.B.
former P.C.B.
Step 3 : Detach 4P Cable at the connector (CN5101) on Power
P.C.B.
Step 4 : Place a support block to tilt the unit as shown.
Step 5 : Remove 2 screws.
Step 6 : Remove 2 screws.
Step 5 : Remove 2 screws.
Step 6 : Remove 2 screws.
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Step 7 : Remove the Transformer P.C.B. as shown.
Caution : Keep the Trans cover P.C.B. in safe place for
Caution : Keep the Trans cover P.C.B. in safe place for
assembling use.
Step 8 : Remove Trans cover P.C.B. and Transformer spacer.
Caution : Keep the Trans cover P.C.B. and Transformer
Caution : Keep the Trans cover P.C.B. and Transformer
spacer in safe place for assembling use.
10.16. Replacement of Transistor
(Q5901)
• Follow the (Step 1) - (Step 6) of Item 10.4.
• Follow the (Step 1) - (Step 6) of Item 10.6.
• Follow the (Step 1) - (Step 7) of Item 10.15.
• Follow the (Step 1) - (Step 6) of Item 10.6.
• Follow the (Step 1) - (Step 7) of Item 10.15.
Caution : Handle the heatsink unit and P.C.B. with caution
due to its high temperature after prolonged use. Touching
it may lead to injuries.
Step 1 : Desolder pins of Transistor (Q5901).
Step 2 : Desolder pins of heatsink unit .
Step 3 : Twist the pins of heatsink unit by 45
Step 2 : Desolder pins of heatsink unit .
Step 3 : Twist the pins of heatsink unit by 45
°
in an anti-clock-
wise or clockwise direction.
Step 4 : Remove heatsink unit and Transistor (Q5901) as
shown.
shown.
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Step 5 : Remove 1 screw.
Step 6 : Remove the Transistor (Q5901).
• Assembly of Transistor (Q5901)
Step 1 : Apply grease to the heatsink unit.
Step 2 : Fix and screw the Transistor (Q5901) to the heatsink
unit.
Caution : Ensure the Transistor (Q5901) is tightly screwed
unit.
Caution : Ensure the Transistor (Q5901) is tightly screwed
to the heatsink unit.
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