Panasonic SC-EN38E / SC-EN38EB / SC-EN38EG (serv.man2) Service Manual ▷ View online
9.12.1. Assembly of Voltage Regulator
Transistor (Q501)
Step 1 : Apply grease to the heatsink unit.
Step 2 : Fix and screws the Voltage Regulator Transistor
(Q501) to the heatsink unit.
(Q501) to the heatsink unit.
Note : Ensure the Voltage Regulator Transistor (Q501) is
tightly screwed to the heatsink unit.
tightly screwed to the heatsink unit.
Step 3 : Solder pin of the Voltage Regulator Transistor (Q501)
on the reversed side of Main P.C.B..
on the reversed side of Main P.C.B..
Note : Ensure pins of the Voltage Regulator Transistor
(Q501) are properly seated and soldered on the Main
P.C.B..
(Q501) are properly seated and soldered on the Main
P.C.B..
9.13. Replacement of Power AMP IC
(IC700)
• Follow the (Step 1) - (Step 3) of item 9.4.
• Follow the (Step 1) - (Step 3) of item 9.8.
• Follow the (Step 1) - (Step 10) of item 9.9.
• Follow the (Step 1) - (Step 3) of item 9.8.
• Follow the (Step 1) - (Step 10) of item 9.9.
Step 1 : Remove 2 screws.
Step 2 : Desolder pins of Power AMP IC (IC700) on the reverse
side of Main P.C.B..
side of Main P.C.B..
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SC-EN38E / SC-EN38EB / SC-EN38EG
Step 3 : Remove Power AMP IC (IC700) from the heatsink unit.
Caution : Handle the heatsink unit with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
high temperature after prolonged use. Touching it may
lead to injuries.
9.13.1. Assembly of Power AMP IC (IC700)
Step 1 : Apply grease to the heatsink unit.
Step 2 : Fix and screws the Power AMP IC (IC700) to the
heatsink unit.
heatsink unit.
Note : Ensure the Power AMP IC (IC700) is tightly screwed
to the heatsink unit.
to the heatsink unit.
Step 3 : Solder pin of the Power AMP IC (IC700) on the
reversed side of Main P.C.B..
reversed side of Main P.C.B..
Note : Ensure pins of the Power AMP IC (IC700) are
properly seated and soldered on the Main P.C.B..
properly seated and soldered on the Main P.C.B..
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SC-EN38E / SC-EN38EB / SC-EN38EG
9.14. Replacement of Regulator
Transistor (Q502)
• Follow the (Step 1) - (Step 3) of item 9.4.
• Follow the (Step 1) - (Step 3) of item 9.8.
• Follow the (Step 1) - (Step 10) of item 9.9.
• Follow the (Step 1) - (Step 3) of item 9.8.
• Follow the (Step 1) - (Step 10) of item 9.9.
Step 1 : Remove 1 screw.
Step 2 : Desolder pins of Regulator Transistor (Q502) on the
reverse side of Main P.C.B..
reverse side of Main P.C.B..
Step 3 : Remove Regulator Transistor (Q502) from the
heatsink unit.
heatsink unit.
Caution : Handle the heatsink unit with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
high temperature after prolonged use. Touching it may
lead to injuries.
35
SC-EN38E / SC-EN38EB / SC-EN38EG
9.14.1. Assembly of Regulator Transistor
(Q502)
Step 1 : Apply grease to the heatsink unit.
Step 2 : Fix and screws the Regulator Transistor (Q502) to the
heatsink unit.
heatsink unit.
Note : Ensure the Regulator Transistor (Q502) is tightly
screwed to the heatsink unit.
screwed to the heatsink unit.
Step 3 : Solder pin of the Regulator Transistor (Q502) on the
reversed side of Main P.C.B..
reversed side of Main P.C.B..
Note : Ensure pins of the Regulator Transistor (Q502) are
properly seated and soldered on the Main P.C.B..
properly seated and soldered on the Main P.C.B..
9.15. Disassembly of Tact Switch &
Sensor P.C.B.
• Follow the (Step 1) - (Step 3) of item 9.4.
• Disassembly of Tact Switch P.C.B.
Step 1 : Remove 2 screws.
Step 2 : Detach 8P FFC cable at connector (CN952) on Main
P.C.B..
P.C.B..
Step 3 : Release 5 catches in order of sequence.
Step 4 : Remove Tact Switch P.C.B..
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SC-EN38E / SC-EN38EB / SC-EN38EG
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