Sony STR-DB2000 Service Manual page 141

STR-DA2000ES/DB2000
Q Q
3 7 6 3 1 5 1 5 0
SERVICE MANUAL
Ver 1.1 2003.12
SUPPLEMENT-1
Subject: Change of CIS, DISPLAY, FUNCTION, HP-V3,
REG, S-VIDEO, TH and VOL boards
• NEW/FORMER TYPE DESCRIPTION
New/former type of the CIS, DISPLAY, FUNCTION, HP-V3, REG, S-VIDEO, TH and VOL boards is discriminated by difference of the
pattern.
– REG BOARD (Conductor Side) –
T E
L 1 3 9 4 2 2 9 6 5 1 3
Former type
Q908
R921
1 4
%
R909
Q01
Q906
E
D906
R918
JW960
JW922 R915
JW923 R914 R922
w w w
JW924
E
Q905 R908
JW961
Q909
D B C E
11
1-688-603- (11)
.
9-961-061-81
http://www.xiaoyu163.com
US Model
Canadian Model
STR-DA2000ES
AEP Model
UK Model
(ECN-TAC12992)
New type
R921
Q908
1 4
%
R909
Q906
E
E
D906
R918
Q910
JW960
R915
JW922
JW923 R914 R922
JW924
Q905 E
R908
x JW961 a o u 1 6 3
y
Q909
D B C E
11
1-688-603- (12)
i
http://www.xiaoyu163.com
8
1. DIAGRAMS
1-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : internal component.
f
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
E Model
Pattern face side: Parts on the pattern face side seen from
(Conductor Side) the pattern face are indicated.
STR-DB2000
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 Q
Q
3 7 6 3 1
B C E
These are omitted.
.
1
2 4
9 9 8
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
specified.
• f : internal component.
• 2 : nonflammable resistor.
• C : panel designation.
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.
• A : B+ Line.
• B : B– Line.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
f
: TUNER
F
: AUDIO (ANALOG)
J
: AUDIO (DIGITAL)
E
: VIDEO
5 1 5 0 8 9 2 4 9
m
c o
STR-DA2000ES/DB2000
2
9 9
1 / W or less unless otherwise
4
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.
8 2 9 9