Sony PMC-MD55 - Md Boombox, Service Manual

Page: 58 / 220

PMC-MD55
– 93 – – 94 –
6-26. SCHEMATIC DIAGRAM – POWER AMP/POWER Section –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
• 2 : nonflammable resistor.
•
C
: panel designation.
•
A
: B+ Line.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : POWER ON
(
) : STANDBY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: FM
Note: The components identified by mark ! or dotted line
with mark ! are critical for safety.
Replace only with part number specified.
(Page 78)
(Page 78)