Sony HCD-NEZ3 Service Manual page 17

Q Q
3 7 6 3 1 5 1 5 0
• 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.
•
f : internal component.
•
: 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
HCD-NEZ3/NEZ5
Note on Schematic Diagram:
• 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.
•
: internal component.
f
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part pièce por tant le numéro
number specified. spécifié.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : TUNER
( ) : CD PLAY
〈〈 〉〉 : TAPE PLAY
{ } : REC
• 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
J : CD PLAY
E : TAPE PLAY
j : REC
f : AUX IN
• Abbreviation
AR : Argentina model
AUS : Australian model
CND : Canadian model
E51 : Chiliean and Peruvian models
EA : Saudi Arabia model
EE : East European model
KR : Korean model
MX : Mexican model
RU : Russian model
SP : Singapore model
TW : Taiwan model
x a o
y
. i
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• Circuit Boards Location
TRANS FIXED board
PANEL board
DC board
Q Q
3 7 6 3
u 1 6 3
.
17 17
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2 4
9 9 8
CONNECT board AC board
CD board
TUNER UNIT
1 5 1 5 0 8 9 2 4
HEAD PHONE board
m
c o
HCD-NEZ3/NEZ5
2
9 9
MAIN board
SHIELD board
(EXCEPT NEZ3: AEP, East European,
Russian, UK, Korean/
NEZ5: AEP, UK, Korean models)
9 8 2 9 9