Diagrams - Sony HCD-DX170 Service Manual

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
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 / W or less unless otherwise
4
specified.
• f : internal component.
• C : panel designation.
Note:
Note:
The components identi- Les composants identifiés par
une marque 0 sont critiques
fied by mark 0 or dotted
line with mark 0 are criti- pour la sécurité.
Ne les remplacer que par une
cal for safety.
piéce portant le numéro
Replace only with part
number specified. spécifié.
• 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 MΩ).
• 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.
HCD-DX150/DX170/DX250
SECTION 6

DIAGRAMS

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.)
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.
• Indication of transistor.
C
Q
These are omitted
B C E
B E
These are omitted
• Circuit Boards Location
STBY board
SW(1) board
MOTOR board
ENCODER board
27 27
HCD-DX150/DX170/DX250
TUNER unit
IO board
LED board
KEY board
H/P board
SW(2) board
SENSOR board
TRANSLATION board
FL board
DMB10 board
MAIN board