Panasonic SA-PM38EG / SA-PM38EF / SA-PM38EB / SA-PM38EP / SC-PM38EP Service Manual ▷ View online
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10.18. Replacement of Transistor
(Q5901)
• Follow the (Step 1) - (Step 9) of item 10.3.
• Follow the (Step 1) - (Step 6) of item 10.6.
• Follow the (Step 1) - (Step 6) of item 10.17.
• Follow the (Step 1) - (Step 6) of item 10.6.
• Follow the (Step 1) - (Step 6) of item 10.17.
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 : Remove 1 screw.
Step 3 : Remove Transistor (Q5901).
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• Assembly of Transistor (Q5901)
Step 1 : Apply grease to the heatsink unit.
Step 2 : Install Transistor (Q5901) onto Transformer P.C.B..
Caution : Ensure the pins are inserted & seated properly
Step 2 : Install Transistor (Q5901) onto Transformer P.C.B..
Caution : Ensure the pins are inserted & seated properly
on Transformer P.C.B..
Step 3 : Fix the Transistor (Q5901) onto the heatsink unit with 1
screw.
screw.
Step 4 : Solder pin of the Transistor (Q5901) on the solder side
of Main P.C.B..
Caution : Check for solderability of the Transistor (Q5901).
of Main P.C.B..
Caution : Check for solderability of the Transistor (Q5901).
10.19. Disassembly of CD Servo
P.C.B.
• Follow the (Step 1) - (Step 9) of item 10.3.
• Follow the (Step 1) - (Step 6) of item 10.6.
• Follow the (Step 1) - (Step 3) of item 10.12.
• Follow the (Step 1) - (Step 6) of item 10.6.
• Follow the (Step 1) - (Step 3) of item 10.12.
Step 1 : Remove 3 screws.
Step 2 : Unsolder 4 points.
Step 2 : Unsolder 4 points.
Step 3 : Move up the CD Servo P.C.B.
Step 4 : Flip the CD Servo P.C.B.
Step 4 : Flip the CD Servo P.C.B.
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Step 5 : Detach 16P FPC at the connector (CN7001) on CD
Servo P.C.B.
Servo P.C.B.
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11 Disassembly and Assembly of Traverse Unit
11.1. Disassembling Procedures
Step 1 : Release the guide.
Step 2 : Push the traverse slide plate (rib), ensure both grooves
are opened.
Step 2 : Push the traverse slide plate (rib), ensure both grooves
are opened.
Step 3 : Slide out the traverse unit as arrow shown.
Caution : Ensure the OPU is face upwards, avoid touching
the surface of the traverse unit.
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