Sony HCD-HX7 Service Manual - Page 23

Circuit Boards Location, Note For Printed Wiring Boards and Schematic Diagrams

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• Note For Printed Wiring Boards and Schematic Diagrams 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.) Caution: Pattern face side: (Conductor Side) Parts face side: (Component Side) Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated. Caution: Pattern face side: (Side B) Parts face side: (Side A) Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated. • Indication of transistor C Q These are omitted. BE Q BCE These are omitted. Note on Schematic Diagram: • All capacitors are in µF 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. Note: The components identified by mark 0 or dotted line with mark 0 are critical 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 portant le numéro spécifié. • A : B+ Line. • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. - CD Board - no mark : CD PLAY [ ] : USB - USB and USB POWER Boards - no mark : USB - BT Board - no mark : BLUETOOTH - XM and XM REGULATOR Boards - no mark : XM - Other Boards - no mark : TUNER (FM/AM) ( ) : CD PLAY [ ] : USB { } : BLUETOOTH XM < > : SIRIUS ∗ : Impossible to measure • Voltages are taken with a VOM (Input impedance 10 MΩ). 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 : AUDIO f : TUNER (FM/AM) J : CD PLAY d : USB E : BLUETOOTH IN j : BLUETOOTH OUT : XM O : SIRIUS h : AUDIO IN • Abbreviation AUS : Australian model CND : Canadian model KR : Korean model HCD-HX3/HX5/HX7 • Circuit Boards Location XM board (HX7) TOP PANEL (FUNCTION) board TOP PANEL (PLAY) board USB POWER board (HX3/HX5) FRONT PANEL board SPEAKER board CD board MOTOR board HEADPHONE board SUB POWER board H/P SUPPORT board TUNER (FM/AM) XM REGULATOR board (HX7) MAIN board SWITCHING POWER board USB board (HX3/HX5) BT board (HX5/HX7) ANT board (HX5/HX7) AMP board HCD-HX3/HX5/HX7 23 23

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HCD-HX3/HX5/HX7
23
23
HCD-HX3/HX5/HX7
•
Circuit Boards Location
•
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 and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark
: CD PLAY
[
]
: USB
– USB and USB POWER Boards –
no mark
: USB
– BT Board –
no mark
: BLUETOOTH
– XM and XM REGULATOR Boards –
no mark
: XM
– Other Boards –
no mark
: TUNER (FM/AM)
(
)
: CD PLAY
[
]
: USB
{
}
: BLUETOOTH
〈〈
〉〉
: XM
<
>
: SIRIUS
∗
: Impossible to measure
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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
: AUDIO
f
: TUNER (FM/AM)
J
: CD PLAY
d
: USB
E
: BLUETOOTH IN
j
: BLUETOOTH OUT
: XM
O
: SIRIUS
h
: AUDIO IN
•
Abbreviation
AUS
: Australian model
CND
: Canadian model
KR
: Korean 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.)
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.
•
Circuit Boards Location
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
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 portant le numéro
spécifié.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
FRONT PANEL board
TOP PANEL (FUNCTION) board
TOP PANEL (PLAY) board
XM board
(HX7)
USB POWER board
(HX3/HX5)
SPEAKER board
SUB POWER board
BT board
(HX5/HX7)
H/P SUPPORT board
HEADPHONE board
TUNER (FM/AM)
MAIN board
SWITCHING POWER board
AMP board
ANT board
(HX5/HX7)
USB board
(HX3/HX5)
MOTOR board
CD board
XM REGULATOR
board
(HX7)