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HBD-E370/E470/E570/E870/T57
HBD-E370/E470/E570/E870/T57
34
34
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
• 2 : Nonfl ammable resistor.
• 5 : Fusible resistor.
• C : Panel designation.
• 2 : Nonfl ammable resistor.
• 5 : Fusible resistor.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– MB-134 board –
no mark : BD PLAY
no mark : BD PLAY
*
: Impossible to measure
– Other boards –
no mark : TUNER
no mark : TUNER
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
Ω).
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
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
F
: AUDIO
E
: VIDEO
J
: DISC PLAY
L : USB
d
d
: LAN
f
: TUNER
N
: MIC
• Abbreviation
AUS : Australian model
CND : Canadian model
E32
AUS : Australian model
CND : Canadian model
E32
: Latin American models
MX
: Mexican model
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
• The voltage and waveform of CSP (chip size package)
cannot be measured, becaise its lead layout is different
from that of conventional IC.
from that of conventional IC.
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• 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.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
• Abbreviation
AUS : Australian model
CND : Canadian model
E32
AUS : Australian model
CND : Canadian model
E32
: Latin American models
MX
: Mexican model
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
• Lead layouts
surface
CSP (Chip Size Package)
Lead layout of conventional IC
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
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.
been included in this diagrams.
• Circuit Boards Location
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).
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).
THE D913, D931, IC901 AND IC921 ON THE
POWER BOARD AND THE COMPLETE POWER
BOARD” on servicing notes (page 9).
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).
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).
THE D913, D931, IC901 AND IC921 ON THE
POWER BOARD AND THE COMPLETE POWER
BOARD” on servicing notes (page 9).
AUDIO board
MB-134 board
R-USB board
F-USB board
MAIN board
REG board
TUNER (FM) (TU1)
CONNECT board
POWER board
KEY board
P-KEY board
FL board
Ver. 1.1
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