Read Sony CFM-A50 Service Manual online
– 23 –
– 25 –
– 24 –
5-4. SCHEMATIC DIAGRAM (US MODEL)
r
Refer to page 26 for IC Block Diagrams.
Note:
• 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.
Note: The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 6 V and fed with regulated dc power
supply from external power voltage jack.
CFM-A50
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
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 production
tolerances.
tolerances.
• Signal path.
F
: FM
E
: PB
a
: REC
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