Sony CFS-515S, Руководство по обслуживанию

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r Refer to page 24 for IC Block Diagram.
Ref. No. Location
r Semiconductor
Location
D1 E-2
D2 E-2
D3 D-2
IC1 D-4
Q1 C-2
Q2 E-4
5-4. PRINTED WIRING BOARDS – TUNER SECTION –
CFS-515S
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
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
U
: B+ Line.
• 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
Note:
• X : parts extracted from the component side.
•
b
: Pattern from the side which enables seeing.
• Abbreviation
EA : Saudi Arabia
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F
: FM
• Abbreviation
EA : Saudi Arabia