Schematic Diagram - Digital Board (3/3) - Sony STR-KS500 Service Manual

STR-KS500
Q Q
3 7 6 3 1 5 1 5 0
2-5. SCHEMATIC DIAGRAM – DIGITAL Board (3/3) –
(3/3)
B2
(Page 6)
C3
C1908
470
10V
C1
C2
C1906
470
(Page 7)
10V
T_DCLK
B3
DO
B4
T_DATA
B5
T E
L 1 3 9 4 2 2 9 6 5 1 3
SLATCH
B6
T_TUNER
B7
T_STEREO
B8
T_MUTE
B9
B10
(Page 6)
B11
B12
B13
B14
XMODE
CLK
CE
DI
DO
EXLOCK
XSTATE
w w w
C5
C6
(Page 7)
STR-KS500
+1.85V/+3.3V
O V
REGULATOR
NC O G
IC1901
SI-3008KWF
R1201
22k
X1101
24MHz
X0A
VSS
C1299 X0
0.1
X1
VCC3
NOT IN USE
NC
NOT IN USE
R1049 10k
LRCK_SW
SYSTEM CONTROLLER
NOT IN USE
NOT IN USE
NOT IN USE
NOT IN USE
R1041 100
XMODE
R1043 10k
CKSEL1
R1140 100
CLK
R1134 100
CE
R1135 100
DI
R1136 100
DO
R1137 100
ERROR
XSTATE
GP9
DATAO
x a o
. i
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C1905
0.1
C1100
0.1
C1138
0.1
R1190
10k
Q Q
3 7 6
R1635 C1604
10k 0.1
MD2
MD1
MD0
STOP
NO USE
FAN-HI-DETECT
VERSION
MODEL
C1120
NO USE RDS SIGNAL
0.01
SCL VSS
IC1601
R1070 10k
MB90488BPF-G
NOT IN USE A/D3
-196E1
R1073
NO USE A/D2
R1072
A/D1
R1071
A/D0
C1142
AVSS
AVRH
AVCC
R1147
0
R1157
0
C1139
0.1
u 1 6 3
y
8 8
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2 4
8 9 9
IC1031 F_RY
BA50BC0T +5V REGULATOR
D1110 ISS352
C_RY
I O D1107 1SS352
R_RY
G
C1032 D1108 1SS352
C1031 LEVEL_DETECT
470
0.1
10V
F_CTRL2
F_CTRL1
PROTECTOR
F_CLK
C1137
0.01
RESET SIGNAL
GENERATOR
CD NC
F2
IC1111
O V G
S-80929CNMC
C1108
F1
0.1
STOP
PWR_RY
HI-DEC
C1067
220p
R1127 R1189 C1107
100 10k 0.1
FL_STB
FB1101
C1069
10
50V
C1068
0.1
V
LEVEL SHIFT
IC1651
TC74VHCT08AFT
3 1 5 1 5 0 8 9
C1605 R1636
0.1 10k
C1620
0.1
FL CLK
C1127
0.1
FL DIN
HI-DEC F1
C1121 0.1
C1066
220p
C1125 0.1 F2
10k C1122 0.1
AD2
10k C1123 0.1 AD1
10k C1124 0.1
AD0
0.1
VOL A C1130 0.01
VOL B C1129 0.01
POWER KEY C1102 0.1
R1158
3.3k
FUSE DET
AD2
AD1
AD0
R1159
3.3k
EEPROM
IC1131
BR24L16
m
c o
.
2
8 9 9
CNS194
21P
FRONT SP RELAY
CENTER SP RELAY
REAR SP RELAY
LEVEL_DETECT
F_CTRL2
F_CTRL1
PROTECTOR
+V
F_CLK
GND
GND
GND
POW_MUTE
(Page
-30V
11)
STANBY+V
F2
DIGITAL+V
F1
STOP
POWER RELAY
HIGH SPEED DETECT
G1000
G
2 4 9 8 2 9 9
(CHASSIS)
C1085 C1084
0.1 0.1
CNS193
C1065 17P
220p
F1
-30V
F2
GND
GND
+5V
+3.3V(STBY)
FL LAT
FL CLK
FL DATA
R1186 10k R1179 10k VOL UP(2A)
R1105 10k R1180 10k VOL DOWN(2B)
(Refer to page 23
on service manual)
R1129 100 R1088 10k POWER ON/OFF
R1124 100 SIRCS
AD2
AD1
AD0