Note For Printed Wiring Boards And Schematic Diagrams - Sony HCD-CPX1 Service Manual

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Q Q
3 7 6 3 1 5 1 5 0
6-5.

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.
W : indicates side identified with part number.
: 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.
• Indication of transistor.
C
Q
These are omitted.
B
E
Q
B
C E
These are omitted.
Q
B
C
E
These are omitted.
T E
L
1 3 9 4 2 2 9 6 5 1 3
w w w
.
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Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
: internal component.
f
• 5 : fusible resistor.
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted
une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
Ne les remplacer que par une
cal for safety.
pièce por tant le numéro
Replace only with part
number specified.
spécifié.
• A : B+ Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
) : CD PLAY
[
] : TAPE PLAY
〈〈
〉〉 : REC
: 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
: TUNER (FM/AM)
J
: CD PLAY (ANALOG)
c : CD PLAY (DIGITAL OUT)
E
: TAPE PLAY
a
: REC
j
: MD (VIDEO) IN
• Abbreviation
AUS : Australian model
CND : Canadian model
KR
: Korean model
SP
: Singapore model
x
a o
u 1 6 3
y
i
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8
9
• Circuit Boards Location
LCD board
BACK LIGHT board
SWITCH board
Q
Q
3
7
6
3
1
5
1
HP board
TC board
c o
.
LOADING board
25
25
2
4
2
9
8
AMP board
SWITCHING REGULATOR
SP OUT board
SUB POWER board
TUNER UNIT
MAIN board
5
0
8
9
2
4
9
8
2
m
BD board
HCD-CPX1
9
9
9
9

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