Printed Wiring Boards - Tuner Section; Schematic Diagram - Tuner Section - Sony CFS-515S Service Manual

CFS-515S
Q Q
5-4. PRINTED WIRING BOARDS – TUNER SECTION –
3 7 6 3 1 5 1 5 0
T E
L 1 3 9 4 2 2 9 6 5 1 3
r Semiconductor
Note:
Location
• X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
Ref. No. Location
• Abbreviation
D1 E-2 EA : Saudi Arabia
D2 E-2
D3 D-2
IC1 D-4
Q1 C-2
Q2 E-4
w w w
– 20 –
5-5. SCHEMATIC DIAGRAM – TUNER SECTION –
Note:
• All capacitors are in µ F unless otherwise noted. pF: µµ F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/ W or less unless otherwise
4
specified.
• : internal component.
¢
• U : B+ Line.
x a o
• H : adjustment for repair. y
• Power voltage is dc 9V and fed with regulated dc power
. i supply from battery terminal.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
( ) : MW
< > : SW1,SW2
http://www.xiaoyu163.com
r Refer to page 24 for IC Block Diagram.
8
Q Q
3 7 6 3
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F
: FM
• Abbreviation
EA : Saudi Arabia
u 1 6 3
.
– 21 –
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2 4
9 9 8
1 5 1 5 0 8 9 2 4
m
c o
– 22 –
2
9 9
9 8 2 9 9