Sony HCD-DX150 - Dvd / Reciever Component, Service Manual

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HCD-DX150/DX170/DX250
HCD-DX150/DX170/DX250
SECTION 6
DIAGRAMS
• Circuit Boards Location
For Schematic Diagrams.
Note:
• 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.
•
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.)
• A : B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
• Voltages and waveforms are dc with respect to ground in
service mode.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
no mark : DVD STOP
• Voltages are taken with VOM (Input impedance 10 M
Ω
).
• Circled numbers refer to waveforms.
• Signal path.
F : AUDIO
J : CD PLAY
c
: DVD PLAY
d
: TUNER
L : VIDEO
E : Y
a : CHROMA
r
: COMPONENT VIDEO
q
: R, G, B
e : AUDIO IN
• Abbreviation
AUS : Australian model.
CND : Canadian model.
E32 : 110 – 240 V AC Area in E model.
EA : Saudi Arabia model.
MX : Mexican model.
SP : Singapore model.
For Printed Wiring Boards.
Note:
•
X
: parts extracted from the component side.
• a : Through hole.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C E B
These are omitted
Q
C
E B
These are omitted
Caution:
Pattern face side: Parts on the pattern face side seen from
(SIDE A) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(SIDE B) the parts face are 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
piéce portant le numéro
spécifié.
H/P board
KEY board
LED board
STBY board
TUNER unit
IO board
SENSOR board
MOTOR board
SW(1) board
SW(2) board
TRANSLATION board
MAIN board
DMB10 board
FL board
ENCODER board