CFD-E55L (serv.man2) - Sony Audio Service Manual (repair manual). Page 15

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CFD-E55L
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4-7.
PRINTED  WIRING  BOARDS  – DISPLAY Section (TYPE  C) –
Note on Printed Wiring Boards:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
b
: Pattern from the side which enables seeing.
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
D601
A-8
D602
E-6
IC501
C-5
IC502
B-6
IC503
C-3
Q501
B-6
Q502
B-6
Q503
D-4
Q504
C-4
Q505
C-4
4-8.
SCHEMATIC  DIAGRAM  – DISPLAY Section (TYPE  C) –
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 
 and 
1
/
4
 
W or less unless otherwise
specified.
C
: panel designation.
U
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
(
) : CD
〈〈
 
〉〉
: TAPE
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
2
1
1
2
1
2
3
4
5
6
7
8
9
10
A
B
C
D
E
F
05
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