Schematic Diagram - Digital Board (4/5) - Sony STR-K685 Service Manual

Q Q
4-8. SCHEMATIC DIAGRAM – DIGITAL BOARD (4/5) –
3 7 6 3 1 5 1 5 0
1 2
A
B
DIGITAL BOARD
C
D
T E
L 1 3 9 4 2 2 9 6 5 1 3
DIGITAL
W1000
15
BOARD
(1/5)
(Page 18)
56
E
59
11
58
DIGITAL
60
BOARD
(2/5)
(Page 19)
F
G
w w w
STR-K685
3 4
MAIN BOARD
(3/4)
CNP504
D
(Page 27)
CNP506
5P
(4/5)
CL025
D1107-1111
MA111-TX
+R4
+2.65V/+1.85V
90 89 b9 91 92 97 99
x a o
y
. i
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5 6 7
STANDBY
BOARD
CNP801
C
(Page 26)
CNP505
IC1904
7P
+3.3V REG
IC1904
BA33BC0FP-E2
D1001
1SR154-400TE-25
7.9 3.3
VCC OUT
1 3
GND
2
C1022
C1021
0.47 470
10V
IC1031
IC1031
BA50BC0FP-E2
+5V REG
8.5 5
1 VCC OUT 3
GND
2
C1032
C1031
470
0.47
10V
Q Q
IC1901
3 7 6
IC SI-3008KWFE
IC1901
+3.3V REG
1 2 3 4 5
C1908
C1905
470
0.1
10V
C1906
470
10V
93 94 95 96 98 a1 a2
DIGITAL BOARD
14
(5/5)
(Page 22)
u 1 6 3
21 21
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2 4
8 9 9
8 9
FB1308 0uH
R1179 10k
VOL_A
R1180 10k
VOL_B
R1088 10k
SIRCS
AD2
3 1 5 1 5 0 8 9 2
AD1
R1183 10k
R1184 10k
R1181 10k
R1182 10k
a5 a4 a6 a3 a7 a8 b8 a9 b1 b2 b3 b5
m
c o
.
STR-K685
2
8 9 9
10 11
17 DC_CONTROL
CL033
16 GND
15 GND
CL028
14 +3.3V(STDBY)
CL029
13 +5V
12 VOL_JOG_2A
11 VOL_JOG_2B
H
10 PW_SW
9 SIRCS
DISPLAY
4 9 8 AD2 8 2 9 9
BOARD
7 AD1 CNS102
CL030
(Page 30)
6 FL_LAT
CL031
5 FL_DIN
CL032
4 FL_CLK
3 INPUT_JOG_4A
2 INPUT-JOG_4B
1 DCAC_IN
CNS513
17P
No mark:FM
b4 b6 b7