Panasonic SA-PMX3E / SA-PMX3EG / SC-PMX3E Service Manual ▷ View online
8.13.1. Assembly of the Transistor
(Q5927)
Step 1 : Fix the Transistor (Q5927) to the Heat Sink.
Step 2 : Screw 1 screw at Transistor (Q5927) in the direction of
arrows.
arrows.
Step 3 : Solder pins of the Transistor (Q5927) on the reverse
side of the transformer P.C.B..
side of the transformer P.C.B..
Caution : Ensure pins of the Transistor (Q5927) are properly
seated and soldered on reverse side of Transformer P.C.B..
seated and soldered on reverse side of Transformer P.C.B..
8.14. Replacement of Transistor
(Q5921)
• Follow the (Step 1) - (Step 5) of Item 8.3
• Follow the (Step 1) - (Step 6) of Item 8.9
• Follow the (Step 1) - (Step 5) of Item 8.12
• Follow the (Step 1) - (Step 6) of Item 8.9
• Follow the (Step 1) - (Step 5) of Item 8.12
Step 1 : Desolder pins of Transistor (Q5921) on reverse side of
Transformer P.C.B..
Transformer P.C.B..
Step 2 : Remove 1 screw from the Transistor (Q5921) in the
direction of arrow.
direction of arrow.
Step 3 : Remove the Transistor (Q5921) from the Heat Sink.
Caution : Handle the Heat Sink unit with caution due to its high
temperature after prolonged use. Touching it may lead to
injuries.
temperature after prolonged use. Touching it may lead to
injuries.
29
SA-PMX3E / SA-PMX3EG
8.14.1. Assembly of the Transistor
(Q5921)
Step 1 : Fix the Transistor (Q5921) to the Heat Sink.
Step 2 : Screw 1 screw at Transistor (Q5921) in the direction of
arrow.
arrow.
Step 3 : Solder pins of the Transistor (Q5921) on the reverse
side of the Transformer P.C.B..
side of the Transformer P.C.B..
Caution : Ensure pins of the Transistor (Q5921) are properly
seated and soldered on reverse side of Transformer P.C.B..
seated and soldered on reverse side of Transformer P.C.B..
8.15. Disassembly of Power P.C.B.
• Follow the (Step 1) - (Step 5) of Item 8.3
• Follow the (Step 1) - (Step 6) of Item 8.9
• Follow the (Step 1) - (Step 7) of Item 8.11
• Follow the (Step 1) - (Step 2) of Item 8.12
• Follow the (Step 1) - (Step 6) of Item 8.9
• Follow the (Step 1) - (Step 7) of Item 8.11
• Follow the (Step 1) - (Step 2) of Item 8.12
Step 1 : Remove 3 screws on Power P.C.B..
Step 2 : Remove Power P.C.B..
30
SA-PMX3E / SA-PMX3EG
8.16. Replacement of Digital Power-
Amp IC (IC5000)
• Follow the (Step 1) - (Step 5) of Item 8.3
• Follow the (Step 1) - (Step 6) of Item 8.9
• Follow the (Step 1) - (Step 7) of Item 8.11
• Follow the (Step 1) - (Step 2) of Item 8.15
• Follow the (Step 1) - (Step 6) of Item 8.9
• Follow the (Step 1) - (Step 7) of Item 8.11
• Follow the (Step 1) - (Step 2) of Item 8.15
Step 1 : Desolder pins of Digital Power-Amp IC (IC5000) on
reverse side of Power P.C.B..
reverse side of Power P.C.B..
Step 2 : Release the IC Clip in the direction of arrow.
Step 3 : Remove IC Clip from the Digital Power-Amp IC
(IC5000).
(IC5000).
Step 4 : Remove the Digital Power-Amp IC (IC5000) from the
Heat Sink.
Heat Sink.
Caution : Handle the Heat Sink unit with caution due to its high
temperature after prolonged use. Touching it may lead to
injuries.
temperature after prolonged use. Touching it may lead to
injuries.
8.16.1. Assembly of the Digital Power-
Amp IC (IC5000)
Step 1 : Fix the Digital Power-Amp IC (IC5000) to the Heat
Sink.
Sink.
Step 2 : Attach the IC clip to Digital Power-Amp IC (IC5000).
Step 3 : Solder pins of the Digital Power-Amp IC (IC5000) on
the reverse side of the Power P.C.B..
the reverse side of the Power P.C.B..
Caution : Ensure pins of the Digital Power-Amp IC (IC5000)
are properly seated and soldered on reverse side of power
P.C.B.
are properly seated and soldered on reverse side of power
P.C.B.
31
SA-PMX3E / SA-PMX3EG
8.17. Replacement of Transistor
(Q5105)
• Follow the (Step 1) - (Step 5) of Item 8.3
• Follow the (Step 1) - (Step 6) of Item 8.9
• Follow the (Step 1) - (Step 7) of Item 8.11
• Follow the (Step 1) - (Step 2) of Item 8.15
• Follow the (Step 1) - (Step 6) of Item 8.9
• Follow the (Step 1) - (Step 7) of Item 8.11
• Follow the (Step 1) - (Step 2) of Item 8.15
Step 1 : Desolder pins of Transistor (Q5105) on reverse side of
Power P.C.B..
Power P.C.B..
Step 2 : Remove 1 screw from the Transistor (Q5105) in the
direction of arrows.
direction of arrows.
Step 3 : Remove the Transistor (Q5105) from the Heat Sink.
Caution : Handle the Heat Sink unit with caution due to its high
temperature after prolonged use. Touching it may lead to
injuries.
temperature after prolonged use. Touching it may lead to
injuries.
8.17.1. Assembly of the Transistor
(Q5105)
Step 1 : Fix the Transistor (Q5105) to the Heat Sink.
Step 2 : Screw 1 screw at Transistor (Q5105) in the direction of
arrows.
arrows.
Step 3 : Solder pins of the Transistor (Q5105) on the reverse
side of the Power P.C.B..
side of the Power P.C.B..
Caution : Ensure pins of the Transistor (Q5105) are properly
seated and soldered on reverse side of Power P.C.B..
seated and soldered on reverse side of Power P.C.B..
32
SA-PMX3E / SA-PMX3EG
Click on the first or last page to see other SA-PMX3E / SA-PMX3EG / SC-PMX3E service manuals if exist.