Read Sony CFD-W57 (serv.man2) Service Manual online
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
3. PRINTED WIRING BOARD — TUNER SECTION — (E Model)
CFD-W57
– 9 –
– 10 –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
f
: internal component.
•
U
: B+ Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : AM
• 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
: FM
f
: AM
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
W
: indicates side identified with part number.
•
f
: internal component.
• b
: Pattern from the side which enables seeing.
Ref. No.
Location
D1
F-2
D2
E-2
D3
G-3
D5
H-3
D6
H-3
IC1
D-3
IC2
D-6
Q1
F-4
Q2
F-5
Q3
E-5
Q4
E-6
Q5
B-6
Q6
B-2
Q7
F-6
Q8
C-6
Q9
G-6
Q10
B-5
Q11
B-4
Q12
G-6
• Semiconductor
Location
(Page 22)
Click on the first or last page to see other CFD-W57 (serv.man2) service manuals if exist.