Read Sony XM-752EQX Service Manual online
XM-752EQX
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3-7. PRINTED WIRING BOARD — EQ SECTION —
3-6. SCHEMATIC DIAGRAM — EQ SECTION —
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
2
: nonflammable resistor.
•
U
: B+ Line.
•
V
: B– Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from +12V and REMOTE terminals.
• Voltage is dc with respect to ground under no-signal
condition.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: AUDIO
(Page 13)
(Page 13)
Ref. No.
Location
IC105
B-1
IC106
B-2
IC107
A-3
IC108
B-3
IC109
A-5
IC110
A-5
• Semiconductor
Location
(Page 11)
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