Step 1
Remove the 5 screws on Power P.C.B..
Step 2
Detach cable (CN5950) remove the 5 screws on Power
P.C.B..
Step 3
Remove Power P.C.B..
Note:
Insulate the Power P.C.B. with insulation material to avoid short
circuit.
·
Replacement of the Power Amp IC or Voltage Regulator
Step 4
Remove 2 screws at the Power Amp IC and/or 3
screws to Voltage Regulator.
Step 5
Cut the joints with a metal cutter as shown below.
Step 6
Desolder the terminals to replace the components.
Step 7
Fix back the cut portion with a screw as shown.
10.9. Disassembly of Power P.C.B.
·
Follow the (Step 1) - (Step 2) of Item 10.4 - Disassembly of Top Cabinet
·
Follow the (Step 1) - (Step 4) of Item 10.6 - Disassembly of CD Changer Unit
·
Follow the (Step 1) - (Step 3) of Item 10.5 - Disassembly of Rear Panel
·
Follow the (Step 1) - (Step 3) of Item 10.7 - Disassembly of Main P.C.B.
27
SA-AK640PL
Summary of Contents for SA-AK640PL
Page 12: ...7 Accessories Remote Control FM Antenna Wire AC Cord AM Loop Antenna 12 SA AK640PL ...
Page 13: ...8 Operating Instructions Procedures 13 SA AK640PL ...
Page 14: ...14 SA AK640PL ...
Page 23: ...10 3 Main Parts Location 23 SA AK640PL ...
Page 39: ...39 SA AK640PL ...
Page 41: ...12 2 Checking and Repairing of Transformer P C B 41 SA AK640PL ...
Page 42: ...12 3 Checking and Repairing of Panel Deck Deck Mechanism P C B 42 SA AK640PL ...
Page 43: ...12 4 Checking and Repairing of Power P C B 43 SA AK640PL ...
Page 48: ...48 SA AK640PL ...
Page 49: ...14 2 Power P C B Transformer P C B 49 SA AK640PL ...
Page 50: ...14 3 Waveform Chart 50 SA AK640PL ...
Page 51: ...51 SA AK640PL ...
Page 58: ...58 SA AK640PL ...
Page 60: ...SA AK640PL 60 ...
Page 62: ...SA AK640PL 62 ...
Page 68: ...SA AK640PL 68 ...
Page 70: ...SA AK640PL 70 ...
Page 76: ...SA AK640PL 76 ...
Page 84: ...SA AK640PL 84 ...
Page 89: ...21 Exploded Views 21 1 Cabinet Parts Location SA AK640PL 89 ...
Page 90: ...SA AK640PL 90 ...
Page 91: ...21 2 Deck Mechanism Parts Location RAA4502 S SA AK640PL 91 ...
Page 92: ...21 3 Packaging SA AK640PL 92 ...