Diagrams - Sony STR-DA7100ES Service Manual

– VIDEO BOARD (Conductor Side) –
Former type
STR-DA7100ES
New type
^
^
2.

DIAGRAMS

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
C
Q
These are omitted.
B E
Q
B C E
These are omitted.
D-AMP board is multi-layer printed board.
However, the patterns of intermediate layers have not been
included in this diagrams.
3 3
STR-DA7100ES
Note on Schematic Diagram:
All capacitors are in F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in and 1 / W or less unless otherwise
4
specified.
2 : nonflammable resistor.
C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part pièce por tant le numéro
number specified. spécifié.
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 ).
Voltage variations may be noted due to normal produc-
tion tolerances.
Signal path.
F : AUDIO (ANALOG)
J : AUDIO (DIGITAL)
E : VIDEO