Read Sony CFD-E55L (serv.man2) Service Manual online
CFD-E55L
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– 26 –
– 27 –
– 28 –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
U
: B+ Line.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER
(
no mark : TUNER
(
) : CD
〈〈
〉〉
: TAPE
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: TUNER
E
: TAPE PLAY
a
: TAPE RECORD
J
: CD PLAY
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
4-6.
SCHEMATIC DIAGRAM – MAIN (AUDIO) /POWER SUPPLY Section (TYPE C) –
• IC Block Diagram
IC303
BA5417
STANDBY
T.S.D.
BS
FILTER
PRE GND2
PRE GND1
NF2
IN2
IN1
NF1
FIL
TER
STBY
POWER GND
BS1
OUT1
VCC
OUT2
10
3 4 5
6
BS
BS2
2
NC
1
8
9
7
11 12
13
14 15
+
–
–
+
–
–
(Page 22)
(Page 17)
(Page 31)
(Page 31)
(Page 17)
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