Note For Printed Wiring Boards And Schematic Diagrams - Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
Q Q
3 7 6 3 1 5 1 5 0

6-11. 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.
• : Through hole.
a
• : internal component.
f
• : parts mounted on the conductor side.
x
• : 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.
Q
T E
L 1 3 9 4 2 2 9 6 5 1 3
B C E
These are omitted.
• DIGITAL and D. AMP boards are multi-layer printed board.
However, the patterns of intermediate layers have not
been included in this diagrams.
w w w
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 / W or less unless otherwise
4
specified.
• : internal component.
f
• 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 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
x a o
y
. i
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8
• Circuit Boards Location
SWITCHING REGULATOR
HP-V3 board
DISPLAY board
Q Q
3 7 6 3
UP CONVERT board
(STR-DA2000ES only)
TH board
u 1 6 3
.
26 26
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2 4
9 9 8
SP TM (A) board
SP TM (B) board
FUNCTION board
D. AMP board
VOL board
1 5 1 5 0 8 9 2 4
CIS board
(STR-DA2000ES only)
S-VIDEO board
m
c o
REG board
2
9 9
SP TM (C) board
SP TM (D) board
SP TM (E) board
SP TM (F) board
SP TM (G) board
SP TM (H) board
SP TM (I) board
SP TM (J) board
(STR-DA2000ES only)
SP TM (K) board
(STR-DA2000ES only)
DIGITAL Board
9 8 2 9 9
MULTI-VIDEO board
2CH. AU board