Step 3 Detach cables from the connectors (CN201) on Audio
P.C.B. and (CN721 & CN724) on Power P.C.B.
Step 4 Remove Power P.C.B.
11.10. Replacement of Regulator IC
(IC725)
•
•
•
•
Follow (Step 1) to (Step 3) of Item 11.3.
•
•
•
•
Follow (Step 1) to (Step 2) of Item 11.4.
•
•
•
•
Follow (Step 1) to (Step 4) of Item 11.5.
•
•
•
•
Follow (Step 1) to (Step 9) of Item 11.7.
•
•
•
•
Follow (Step 1) to (Step 4) of Item 11.9.
Step 1 Desolder pins of the regulator IC (IC725) on the reverse
side of Power P.C.B.
Step 2 Remove 1 screw from the regulator IC (IC725).
Step 3 Remove the regulator IC (IC725) from the heatsink.
Caution: Handle the heatsink with caution due to its high
temperature after prolonged use. Touching it may lead to
injuries.
Note : Refer to the diagram of Power P.C.B. (Item 11.9.) for
location of the parts.
11.11. Replacement of Regulator
Diode (D725/D758)
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•
•
•
Follow (Step 1) to (Step 3) of Item 11.3.
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•
•
•
Follow (Step 1) to (Step 2) of Item 11.4.
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•
•
•
Follow (Step 1) to (Step 4) of Item 11.5.
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•
•
•
Follow (Step 1) to (Step 9) of Item 11.7.
•
•
•
•
Follow (Step 1) to (Step 4) of Item 11.9.
Step 1 Desolder pins of the regulator diode (D725/D758) on
the reverse side of Power P.C.B.
71
SA-PTX7P
Summary of Contents for SA-PTX7P
Page 12: ...12 SA PTX7P ...
Page 29: ...RX RX RX RX CH2 AB CH2 AB CH1 CD B 1 1 1 Multi room Multi source 29 SA PTX7P ...
Page 66: ...11 2 Main Components and P C B Locations 66 SA PTX7P ...
Page 85: ...Step 3 Remove the middle chassis Step 4 Remove the traverse unit 85 SA PTX7P ...
Page 94: ...Note Insulate AC Inlet P C B from other parts with insulating material eg plastic 94 SA PTX7P ...
Page 97: ...97 SA PTX7P ...
Page 116: ...116 SA PTX7P ...
Page 118: ...SA PTX7P 118 ...
Page 130: ...SA PTX7P 130 ...
Page 132: ...132 SA PTX7P ...
Page 172: ...SA PTX7P 172 ...
Page 183: ...26 Exploded Views 183 SA PTX7P ...
Page 184: ...184 SA PTX7P ...
Page 185: ...26 1 Cabinet Parts Location SA PTX7P 185 ...
Page 186: ...SA PTX7P 186 ...
Page 187: ...SA PTX7P 187 ...
Page 188: ...SA PTX7P 188 ...
Page 189: ...26 2 Packaging SA PTX7P 189 ...