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STR-DA7100ES
3
3
STR-DA7100ES
2.
DIAGRAMS
1
1
1
1
2
6
6
CN3803
C3803
C3631
C3801
CN3808
C3816
R3635
R3636
R3637
R3813
R3812
R3820
R3639
R3640
R3641
C3822
1
1
1
2
6
6
CN3803
CN3806
C3801
CN3808
C3816
R3813
R3816
R3812
R3811
R3820
R3821
R3639
R3640
R3641
– VIDEO BOARD (Conductor Side) –
Former type
New type
^
^
•
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.
•
: 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
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
•
Voltages are dc with respect to ground under no-signal
(detuned) conditions.
(When measuring circuit that used “VIRTUAL GND”,
ground it from CN3804 pin
2
on the MOTHER COM
board.)
– D-AMP board –
no mark : TUNER
– VIDEO board –
no mark : VIDEO 1 mode
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Signal path.
F
: AUDIO (ANALOG)
J
: AUDIO (DIGITAL)
E
: VIDEO
Note:
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
•
D-AMP board is multi-layer printed board.
However, the patterns of intermediate layers have not been
included in this diagrams.
Note on Schematic Diagram:
•
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
specified.
•
2
: nonflammable resistor.
•
C
: panel designation.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q