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

CFS-515S
5-4. PRINTED WIRING BOARDS – TUNER SECTION –
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
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5-5. SCHEMATIC DIAGRAM – TUNER SECTION – r Refer to page 24 for IC Block Diagram.
Note:
• All capacitors are in µ F unless otherwise noted. pF: µµ F
• Voltages are taken with a VOM (Input impedance 10 MΩ).
50 WV or less are not indicated except for electrolytics Voltage variations may be noted due to normal production
and tantalums. tolerances.
• All resistors are in Ω and
1 • Signal path.
/ W or less unless otherwise
4
F
specified. : FM
• : internal component. • Abbreviation
¢
• U : B+ Line. EA : Saudi Arabia
• H : adjustment for repair.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
( ) : MW
< > : SW1,SW2
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