Sony CMT-HX3 Service Manual page 25

• 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: 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.
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.
• Indication of transistor
C
Q These are omitted.
B E
Q
B C E
These are omitted.
HCD-HX3/HX5/HX7
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 / W or less unless otherwise
4
specified.
•
f : internal component.
• 2 : nonflammable resistor.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part pièce por tant le numéro
number specified. 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
SP : Singapore model
• Circuit Boards Location • Circuit Boards Location
TOP PANEL (FUNCTION) board
FRONT PANEL board
CD board
MOTOR board
XM REGULATOR board
(HX7)
USB board
(HX3/HX5)
23 23
HCD-HX3/HX5/HX7
XM board
(HX7)
TOP PANEL (PLAY) board
USB POWER board
(HX3/HX5)
SUB POWER board
HEADPHONE board H/P SUPPORT board
TUNER (FM/AM) MAIN board
SWITCHING POWER board
BT board
(HX5/HX7)
AMP board
ANT board
(HX5/HX7)
Ver. 1.2
SPEAKER board