Schematic Diagram - H.p/Muting/Power/Sp/Video 3 Boards - Sony STR-DB1070 - Fm Stereo/fm-am Receiver Service Manual

5-22. SCHEMATIC DIAGRAM – H.P/MUTING/POWER/SP/VIDEO 3 Boards –
CN502
11P
FSP,RY-
RY+
GND
SW
PRE,RY-
SL
SR
L
(Page 27) R
C
SB
R821
RY802
-1
CN403
4P
-2
L
GND
GND
(AEP,UK,E,CH)
R
R481
C481
10
(Page 28) 470p
TM502
FRONT
SPEAKERS
R L
IMPEDANCE
USE 4-6
C471
100p
50V
(CHASSIS)
S1703
DISPLAY
REMOTE CONTROL
RECEIVER
IC1701
NJL63H400A
C1701
47
16V
R834
10
C503 22 50V
RY808
R433
C553 22 50V
1k
-1
C403 22 50V
R483
C453 22 50V
1k
-2
C603 22 50V
R533
C653 22 50V
1k
R583
10 1k
-1
-2
RY809
R431 C431
10 470p
R633
1k
-1
R683
1k
-2
R733
1k
RY810
C421
100p C436
50V 100p
R1704
1k
CN1701
11P
S1702
DIMMER
S1704
S1701 (Page 33)
SPEAKERS
OFF ON
R1703
22k
R1701
100
R1702
10
J402
4P
L
FRONT
R
(Page 33)
L
SURROUND
R
(DB870)
J403
1P
CENTER
(DB1070)
J401
PRE OUT
4P
L
SURROUND
BACK
R
SUB WOOFER
J701
PHONES
2P
SUB WOOFER
(DB870)
J299
S-VIDEO
VIDEO 3
INPUT
VIDEO
AUDIO
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
35 35
STR-DB870/DB1070
RV1801
ROTARY ENCODER
FUNCTION
CN1801
8P
D1801
SEL5821A
AUDIO SPLIT
R1803
220
R1801
1k
S1801 S1802
INPUT MODE AUDIO SPLIT MUTING
CN749
5P
HP-CONT
1 H.P GND
2
H.P R
3
J749
4
GND
5
6
7
H.P L
(Page 28)
EB749
(CHASSIS)
EB299
C294
(CHASSIS) 2200p
Y
C
CN299
7P
VIDEO3(C)
J298
3P C293
2200p VIDEO3(Y)
VIDEO3
GND
R298
1k
L
L
GND
R
R
R299
1k
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
R1802
2.2k
S1803
(Page 25)
(Page 25)
VIDEO AU