Sony HCD-HX50BTR Service Manual page 21

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : internal component.
f
• : 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-HX50BTR/HX70BTR/HX80R/HX90BTR
For Schematic Diagrams.
Note:
• 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
specifi ed.
• : internal component.
f
• 2 : nonfl ammable resistor.
• C : panel designation.
Note: Note:
The components identi- Les composants identifi és
fi ed by mark 0 or dotted par une marque 0 sont
line with mark 0 are criti- critiques pour la sécurité.
cal for safety. Ne les remplacer que par
Replace only with part une piéce portant le nu-
number specifi ed. méro spécifi é.
• 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
– DAB Board –
no mark : TUNER (DAB)
– Other Boards –
no mark : TUNER (FM/AM)
( ) : CD PLAY
[ ] : USB
{ } : BLUETOOTH
: 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 varia-
tions may be noted due to normal produc-tion toleranc-
es.
• Circled numbers refer to waveforms.
• Signal path.
: AUDIO
F
f : TUNER (FM/AM)
: CD PLAY
J
: USB
d
: BLUETOOTH IN
E
: BLUETOOTH OUT
j
: DMPORT
: TUNER (DUB)
O
: AUDIO IN
h
• Abbreviation
AR : Argentina model
BR : Brazilian model
CND : Canadian model
E51 : Chilean and Peruvian models
KR : Korean model
MX : Mexican model
RU : Russian model
SP : Singapore model
• Circuit Boards Location
TOP PANEL board
PANEL board
JACK board
ANT board
(HX50BTR/HX70BTR/HX90BTR)
MAIN board
CD board
MOTOR board
21 21
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
TUNER (FM/AM)
DAB board
(HX80R/HX90BTR)
MODULE (DAB TUNER)
(HX80R/HX90BTR)
BT board
(HX50BTR/HX70BTR/HX90BTR)
DMP board
SW POWER board
SP TERMINAL board
AMP board
USB board
Ver. 1.1