Sony HCD-CZ1 Service Manual page 30
Network audio system
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- Operating instructions manual (435 pages) ,
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HCD-CZ1/NAS-CZ1
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.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
• Indication of transistor
C
Q
These are omitted.
B
E
Q
B
C E
T E
L
1 3 9 4 2 2 9 6 5 1 3
These are omitted.
w w w
HCD-CZ1/NAS-CZ1
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:
The components identified by mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part number specified.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) 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
f
: AUX IN
d
: ETHERNET
x
a o
y
.
i
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8
• Circuit Boards Location
TOP PANEL board
FRONT PANEL board
Q
Q
3
7
6
3
u 1 6 3
.
30
30
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2
4
9
9
8
CD board
TUNER UNIT
ETHER board
MAIN board
FL board
PSAMP board
1
5
1
5
0
8
9
2
4
m
c o
2
9
9
SUBPS board
9
8
2
9
9
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