Panasonic SA-PM24EB / SA-PM24EG / SA-PM24EP / SC-PM24EP Service Manual ▷ View online
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9.14. Disassembly of Transformer
P.C.B.
• Refer to “Disassembly of Top Cabinet Assembly”.
• Refer to “Disassembly of Front Panel Assembly”.
• Refer to “Disassembly of Front Panel Assembly”.
Step 1 : Remove 1 screw.
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.
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Caution 1 : Ensure the 4P wire from Transformer P.C.B. is
properly dressed into the hook of Power P.C.B. and pre-
vent touching the heatsink unit.
properly dressed into the hook of Power P.C.B. and pre-
vent touching the heatsink unit.
Step 4 : Place a support block to tilt the unit as shown.
Step 5 : Remove 2 screws.
Step 5 : Remove 2 screws.
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Step 6 : Remove the Transformer P.C.B. as shown.
Caution : Keep the Trans cover P.C.B. in safe place for
assembling use.
Caution : Keep the Trans cover P.C.B. in safe place for
assembling use.
Step 7 : Remove Trans cover P.C.B. and Transformer spacer.
Caution : Keep the Trans cover P.C.B. and Transformer
spacer in safe place for assembling use.
Caution : Keep the Trans cover P.C.B. and Transformer
spacer in safe place for assembling use.
9.15. Replacement of Transistor
(Q5901)
• Refer to “Disassembly of Transformer P.C.B.”.
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.
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 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
to the heatsink unit.
unit.
Caution : Ensure the Transistor (Q5901) is tightly screwed
to the heatsink unit.
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