Schematic Diagram - Multi-Video Board (1/4) - Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
Q Q
6-19. SCHEMATIC DIAGRAM – MULTI-VIDEO Board (1/4) – •
3 7 6 3 1 5 1 5 0
J604
6P
(STR-DB2000)
L
C405 R405
100p 1k
FRONT
C505 R505
100p 1k
R
L
R406
MULTI 1k
CH SURROUND
INPUT 2 R506
1k
R
CENTER
R407
1k
R507
1k
SUB
WOOFER
C602
0
(CHASSIS)
J601
4P
(STR-DB2000)
L
C401 R401
100p 1k
FRONT
C501 R501
100p 1k
R
L
R402
1k
SURROUND
R502
1k
R
C601
MULTI 0
CH
INPUT 1
∗ J602
(STR-DB2000) T E (CHASSIS)
L 1 3 9 4 2 2 9 6 5 1 3
1P (STR-DB2000)
J602
(STR-DA2000ES) ∗ 2P (STR-DA2000ES)
SURR L
BACK R403
1k
SURR
BACK
R503
1k
R
C603
0
J603
(CHASSIS)
2P
CENTER
R404
1k
R504
1k
SUB
WOOFER
C604
0
(CHASSIS)
CNP603
12P
TUNER-LCH
ANALOG-GND
TUNER-RCH
ANALOG-GND
COM-LCH
ANALOG-GND
COM-RCH
A+10V
(Page 28)
ANALOG-GND
A-10V
A+2.5V
A+5V
w w w CN604
4P
D.MIX-LAT
COM-DATA
COM-CLK
FUNC-LAT
(Page 29)
See page 69 for IC Block Diagrams.
(1/4)
UU1
C126
22
50V
UU2
UU3
C127
22
50V
R329
33
R136
UU4
47k
UU5
V
UU6
G
R236
47k
UU7
C227
22
UU8 50V
C226
22
50V
UU9
BUFFER
UU10
UU11
(STR-DB2000)
JW1
C128 C228
22 22
UU12 50V 50V
UU13
R344
33
UU14
C343 C342
JWH601
0.0022 0.01
C344
0.0022
R345
33
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R135
C327 10k
0.01
INPUT SELECT
IC326
TC9274N-016
R235
10k
Q Q
3 7 6
R340
33
R342
0
INPUT SELECT
IC341
TC9274N-016
R343
0
R268
47k
u 1 6 3
34 34
http://www.xiaoyu163.com
2 4
8 9 9
C326
100p
R126
10k
G G
MIX
IC131
V V
M5218AFP
R127
10k
R226
C129 10k
100p
R326 R328
0 0
R327
0
3 1 5 1 5 0 8 9 2
R168 C341
47k 100p
G
BUFFER
IC312
V
M5218AFP
m
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.
2
8 9 9
SS1
C229
100p
R227
10k
MIX
IC231
M5218AFP
4 9 8 2 9 9
SS2
SS3
(Page 35)
R341
0
SS4
SS5
SS6
SS7
SS8
SS9
SS10
SS11