Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
2626
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
a
: Through hole.
•
f
: internal component.
•
x
: parts mounted on 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.
6-11. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
C
B
These are omitted.
E
Q
B
These are omitted.
CE
Q
B
These are omitted.
CE
Q
• Indication of transistor
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
f
: internal component.
• 2 : nonflammable resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– MULTI-VIDEO, S-VIDEO boards –
no mark : VIDEO 1 mode
– Other boards –
no mark : TUNER
( ) : VIDEO 1 mode
•Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
•Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
f : TUNER
F : AUDIO (ANALOG)
J : AUDIO (DIGITAL)
E : VIDEO
•Abbreviation
MY : Malaysia model
SP : Singapore model
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 portant le numéro
spécifié.
• Circuit Boards Location
SP TM (J) board
(STR-DA2000ES only
)
SP TM (K) board
(STR-DA2000ES only)
DIGITAL Board
SP TM (A) board
SWITCHING REGULATOR
SP TM (B) board
SP TM (C) board
SP TM (D) board
DISPLAY board
HP-V3 board
FUNCTION board
VOL board
D. AMP board
SP TM (E) board
SP TM (F) board
SP TM (G) board
SP TM (H) board
SP TM (I) board
CIS board
(STR-DA2000ES only)
S-VIDEO board
MULTI-VIDEO boar
d
2CH. AU board
REG board
TH board
UP CONVERT board
(STR-DA2000ES only)
• DIGITAL and D. AMP boards are multi-layer printed board.
However, the patterns of intermediate layers have not
been included in this diagrams.

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English