Schematic Diagram - Digital Board (3/8) - Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
Q Q
3 7 6 3 1 5 1 5 0
6-31. SCHEMATIC DIAGRAM – DIGITAL Board (3/8) – •
(3/8)
EE1
R2402
100
V
R2405 R2406
100 100
SHIFT REGISTER
D28 R2409 100
D27 R2410 100
D26 R2411 100
D23 R2412 100
(Page 45)
D22 R2413 100
T E
L 1 3 9 4 2 2 9 6 5 1 3
D25 R2414 100
D24 R2415 100
D21 R2416 100
D20 R2417 100
EE2
EE3
BB1
(Page 44)
w w w
See page 69 for IC Block Diagrams.
D4
D2
R2401
IC2403
100
TC7WH04FU
G R2403
100
R2404
0
D1
DELAY D3
BUFFER
GND
VCC
R2407
100
IC2404
TC7SH86FU
C2403
0.1
C2405
100
16V
*
E1
C2404
0.1
E2
E3
C2406
0.1
E4
GPR E5
IC2401
E6
ISPLSI2032VE
E7
E8
D5
(Page 48) (Page 47)
x a o
. i
http://www.xiaoyu163.com
IC2431
TC7WH157FU
R2312 100
R2309 100
SIGNAL SELECTOR
R2307 100
R2311 100
C2426 C2429
0.1 0.1
IC2428
TC74VHC04FT
R2428
100
R2433
100 R2429
100 R2427
0
GND
Q Q
BUFFER VCC
3 7 6
C2430
0.1
IC2429
TC74VHC74FT
R2426
100
DELAY
C2427
0.1
R2439
1k
C2435
100p
SHIFT REGISTER
IC2430
TC7WH74FU
SHIFT REGISTER
u 1 6 3
y
46 46
http://www.xiaoyu163.com
2 4
8 9 9
C2434
0.1
GPR
IC2426
ISPLSI2032VE
3 1 5 1 5 0 8 9
R2441
100
R2434 R2440
100 100
(Page 49)
m
c o
.
2
8 9 9
SB SEL
(Page 51)
C2428
0.1 R2432
1k
FS
R2430 10k
R2431 10k
C2431
0.1
2 4 9 8 2 9 9
C2433
100
16V
DO2
DO4
DO3
DO1
FB2426
BCKO
(Page 50)
LRCKO