HCD-FL3 - Sony Audio Service Manual (repair manual). Page 7

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HCD-FL3
7
7
1-1.
NOTE  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS
Note on Printed Wiring Boards:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• 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 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
2
: nonflammable resistor.
5
: fusible resistor.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
H
: adjustment for repair.
• 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.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: REC (DECK B)
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL)
I
: AUX IN (DIGITAL)
N
: MIC
j
: MD (VIDEO)
• Abbreviation
AR
: Argentina model
AUS
: Australian model
E2
: 120 V AC area in E model
E51
: Chilean and Peruvian models
MX
: Mexican model
SP
: Singapore model
Note: The components identified by mark 
0
 or dotted line
with mark 
0
 are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
1.
DIAGRAMS
PAN
BO
N
New/former type of the REGULATOR/SP RELAY boards are discriminated by difference of the pattern of the SP RELAY board.
– SP RELAY BOARD (Conductor Side) –
Former type
New type
$
$
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