Step 1
Remove the 5 screws on Power P.C.B..
Step 2
Detach cable (CN5950) at Transformer 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 Power Amp IC (IC5301).
Step 1
Flip the Power P.C.B. over and desolder the pins.
Step 2
Remove 1 screw and IC clip.
Step 3
Remove IC5301 from heat sink unit.
Note:
For disassembly of IC5101, Q5101, Q5102, Q5111
and Q5112 repeat
(Step 1)
to
(Step 2)
. (For information,
IC5101, Q5101, Q5102, Q5111 and Q5112 does not have
IC clip.)
·
Replacement of IC5501.
Step 1
Flip the Power P.C.B. over and desolder the pins of
IC5501.
Step 2
Twist the heat sink leg as arrow shown.
10.9. Disassembly of Power P.C.B.
·
Follow the (Step 1) - (Step 5) of Item 10.4
·
Follow the (Step 1) - (Step 4) of Item 10.5
·
Follow the (Step 1) - (Step 4) of Item 10.6
·
Follow the (Step 1) - (Step 3) of Item 10.7
32
SA-AK750GCP
Summary of Contents for SA-AK750GCP
Page 8: ...8 SA AK750GCP ...
Page 13: ...13 SA AK750GCP ...
Page 15: ...With reference to page 15 of the operating instruction manual 15 SA AK750GCP ...
Page 16: ...With reference to page 16 of the operating instruction manual 16 SA AK750GCP ...
Page 27: ...10 3 Main Parts Location 27 SA AK750GCP ...
Page 39: ...10 17 1 Replacement of Pinch Roller and Head Block 39 SA AK750GCP ...
Page 40: ...10 17 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 40 SA AK750GCP ...
Page 46: ...12 4 Checking and Repairing of Power P C B 46 SA AK750GCP ...
Page 48: ...48 SA AK750GCP ...
Page 52: ...15 3 Power P C B Transformer P C B 15 4 Panel P C B 52 SA AK750GCP ...
Page 53: ...15 5 Main P C B 53 SA AK750GCP ...
Page 54: ...15 6 Deck P C B 15 7 Waveform Chart 54 SA AK750GCP ...
Page 56: ...56 SA AK750GCP ...
Page 64: ...SA AK750GCP 64 ...
Page 66: ...66 SA AK750GCP ...
Page 86: ...SA AK750GCP 86 ...
Page 91: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK750GCP 91 ...
Page 92: ...SA AK750GCP 92 ...
Page 93: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK750GCP 93 ...
Page 94: ...23 3 Packaging SA AK750GCP 94 ...