Read Sony CMT-LX50WMR / HCD-LX50WMR Service Manual online
HCD-LX50WMR
HCD-LX50WMR
15
15
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
•
C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A : B+ Line.
•
H : Adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– WM/USB Board –
no mark : USB
– Other Section –
no mark : TUNER (FM/AM)
( ) : CD PLAY
• Voltages are taken with VOM (Input impedance 10 M
no mark : CD PLAY
– WM/USB Board –
no mark : USB
– Other Section –
no mark : TUNER (FM/AM)
( ) : CD PLAY
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
TUNER
(FM/AM)
J
: CD PLAY
i : WM-PORT
f :
AUDIO
IN
d :
USB
• Abbreviation
E51
E51
: Chilean and Peruvian models
MX
: Mexican model
RU
: Russian model
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : Parts extracted from the conductor side.
•
W : Indicates side identifi ed with part number.
• f : Internal component.
•
: 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
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
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.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Circuit Board Location
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
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.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Abbreviation
E51
E51
: Chilean and Peruvian models
MX
: Mexican model
RU
: Russian model
Note: The components identifi ed by mark
0 or dotted
line with mark
0 are critical for safety.
Replace only with part number specifi ed.
PANEL board
MAIN board
DRIVER board
REG-TR board
WM/USB board
CD board
PT-AC board
LED-L board
USB-JACK board
LED-R board
KEY-EJECT board
KEY-VOL board
AU-JACK board
HP-JACK board
WMJ board
AC-SELECT board
(Chilean and Peruvian models)
(Chilean and Peruvian models)
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