HBD-N590/N790W/N890W/N990W/N995W/T79
HBD-N590/N790W/N890W/N990W/N995W/T79
42
42
For Schematic Diagrams.
Note:
• All capacitors are in
μ
F 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
speci
fi
ed.
•
f
: Internal component.
•
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.)
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with VOM (Input impedance 10 M
).
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.
F
:
AUDIO
J
: DISC PLAY
f
:
TUNER
L
:
USB
d
:
LAN
G
: WIRELESS LAN
N
:
MIC
E
:
VIDEO
For Printed Wiring Boards.
Note:
•
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.)
• Lead layouts
surface
CSP (Chip Size Package)
Lead layout of conventional IC
Caution:
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.
• MB-149 board is multi-layer printed board. However, the
patterns of intermediate layers have not been included in
diagrams.
• Indication of transistor.
C
B
These are omitted.
E
Q
*
Replacement of IC102, IC103, IC202 and IC203 on
the MB-149 board used in this set requires a special
tool.
• Abbreviation
CND : Canadian model
E12
: Indian model
RU
: Russian model
• The voltage and waveform of CSP (chip size package)
cannot be measured, because its lead layout is different
from that of conventional IC.
• Abbreviation
CH
: Chinese model
CND : Canadian model
E12
: Indian model
RU
: Russian model
SP
: Singapore model
TH :
Thai
model
TW :
Taiwan
model
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
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.
• Circuit Boards Location
Note 2:
When the MB-149 board is replaced, refer to “CHECK-
ING METHOD OF NETWORK OPERATION” on
servicing notes (page 9).
*
Replacement of IC102, IC103, IC202 and IC203 on
the MB-149 board used in this set requires a special
tool.
Note 1:
When the NX_AMP board is replaced, spread the
compound referring to “NOTE OF REPLACING THE
IC3102 AND IC3302 ON THE NX_AMP BOARD
AND THE COMPLETE NX_AMP BOARD” on ser-
vicing notes (page 8)
Note 2:
When the MB-149 board is replaced, refer to “CHECK-
ING METHOD OF NETWORK OPERATION” on
servicing notes (page 9).
Note 1:
When the NX_AMP board is replaced, spread the
compound referring to “NOTE OF REPLACING THE
IC3102 AND IC3302 ON THE NX_AMP BOARD
AND THE COMPLETE NX_AMP BOARD” on ser-
vicing notes (page 8)
WS board
(N790W/N890W/N990W/N995W/T79)
MB-149 board
NX_AMP board
SIRCS board
wireless LAN card
(WLC1) (N590/N790W/N890W/N990W/T79)
USB board
FL board
TOUCH board
tuner (TU1)
LED board
PWR_KEY board
Ver. 1.1
Note:
The components identi
fi
ed by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number speci
fi
ed.
Note:
Les composants identi
fi
és par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une piéce portant
le numéro spéci
fi
é.
