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Sony HBD-E570 Service Manual page 34

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HBD-E370/E470/E570/E870/T57
Q Q
3 7 6 3 1 5 1 5 0
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
: 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
(Conductor Side)
from the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
• MAIN and MB-134 boards are multi-layer printed board.
However, the patterns of intermediate-layers have not
been included in this diagrams.
• Indication of transistor.
C
Q
These are omitted.
B
E
Q
B
C E
These are omitted.
• Abbreviation
CND : Canadian model
T E
L
1 3 9 4 2 2 9 6 5 1 3
• Lead layouts
surface
Lead layout of conventional IC
CSP (Chip Size Package)
Note 1: When the MAIN board is replaced, spread the com-
pound referring to "NOTE OF REPLACING THE
IC3100, IC3200 AND IC3400 ON THE MAIN
BOARD AND THE COMPLETE MAIN BOARD"
on servicing notes (page 8).
Note 2: When the POWER board is replaced, spread the
compound referring to "NOTE OF REPLACING
THE D913, D931, IC901 AND IC921 ON THE
POWER BOARD AND THE COMPLETE POWER
BOARD" on servicing notes (page 9).
w w w
HBD-E370/E470/E570/E870/T57
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 1/4 W or less unless otherwise
specifi ed.
: internal component.
f
• 2 : nonfl ammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note:
Note:
The components identi-
Les composants identifi és
fi ed by mark 0 or dotted
par une marque 0 sont
line with mark 0 are criti-
critiques pour la sécurité.
cal for safety.
Ne les remplacer que par
Replace only with part
une piéce portant le nu-
number specifi ed.
méro spécifi é.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– MB-134 board –
no mark : BD PLAY
: Impossible to measure
*
– Other boards –
no mark : TUNER
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
: AUDIO
F
: VIDEO
E
: DISC PLAY
J
L
: USB
: LAN
d
: TUNER
f
: MIC
N
• Abbreviation
CND : Canadian model
• The voltage and waveform of CSP (chip size package)
cannot be measured, becaise its lead layout is different
from that of conventional IC.
Note 1: When the MAIN board is replaced, spread the com-
pound referring to "NOTE OF REPLACING THE
IC3100, IC3200 AND IC3400 ON THE MAIN
BOARD AND THE COMPLETE MAIN BOARD"
on servicing notes (page 8).
Note 2: When the POWER board is replaced, spread the
compound referring to "NOTE OF REPLACING
THE D913, D931, IC901 AND IC921 ON THE
POWER BOARD AND THE COMPLETE POWER
BOARD" on servicing notes (page 9).
x
a o
y
.
i
http://www.xiaoyu163.com
8
• Circuit Boards Location
AUDIO board
P-KEY board
Q
Q
3
7
6
3
u 1 6 3
.
34
34
2
4
9
9
8
CONNECT board
TUNER (FM) (TU1)
MB-134 board
POWER board
KEY board
FL board
F-USB board
1
5
1
5
0
8
9
2
4
m
c o
2
9
9
R-USB board
MAIN board
REG board
9
8
2
9
9

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