HCD-HX3, HCD-HX5, HCD-HX7 (serv.man2) - Sony Audio Service Manual (repair manual). Page 2

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HCD-HX3/HX5/HX7
1
2.
DIAGRAMS
Note For Printed Wiring Boards and Schematic Diagrams
Indication of transistor
Note on Schematic Diagram:
All capacitors are in 
μ
F unless otherwise noted. (p: pF)
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.
f
: internal component.
• 2
: nonflammable resistor.
• C
: panel designation.
• A
: B+ Line.
Voltages are dc with respect to ground under no-signal
(detuned) conditions.
– USB POWER Board –
no mark : USB
– Other Boards –
no mark : TUNER (FM/AM)
(
) : CD PLAY
[
] : USB
{
} : BLUETOOTH
〈〈
〉〉
: XM
<
> : SIRIUS
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
: AUDIO
f
: TUNER (FM/AM)
J
: CD PLAY
d
: USB
: XM
O
: SIRIUS
h
: AUDIO IN
Abbreviation
AUS
: Australian model
CND : Canadian model
KR
: Korean model
SP
: Singapore model
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
f
: internal component.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Note:
The components identi-
fied by mark 
0
or dotted
line with mark 
0
are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
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