Schematic Diagram − Digital Board (1/4) - Sony STR-DB798 Service Manual

STR-DB798
6-9. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/4) –
IC1104
TORX147L
OPTICAL
R1120
DVD IN 100
C1120
0.1
DIGITAL OPTICAL
RECEIVER
IC1105
TORX147L
OPTICAL
R1121
TV/SAT IN 100
C1121
0.1
DIGITAL OPTICAL
RECEIVER
IC1106
TORX147L
OPTICAL
DIGITAL R1123
MD IN 100
C1122
0.1
DIGITAL OPTICAL
IC1107 RECEIVER
TOTX141L C1123
0.1
OPTICAL
MD OUT
R1122
100
C1124
DIGITAL OPTICAL
TRANSCEIVER
J1101
R1116
C1119
75
22 50V
COAXIAL IN
DVD
COAXIAL IN
SA-CD/CD
R1156
75
(CHASSIS)
C1151
22
50V
R1151
470
STR-DB798
• See page 52 for Waveforms. • See page 53 for IC Block Diagrams. • See page 61 for IC Pin Function Description.
(1/4)
R1127
100
C1126
C1127
10
0.1
50V
C1113
0.1
C1111
0.1
C1102
DIGITAL SELECTOR
47
IC1103 25V
TC74ACT153AF
B
C1103
0.1
C1106
0.1
0.1
C1107 0.01
R1107
5.6k
C1116
C1117
1000
0.1
6.3V
R1118 R1106 R1105
R1117
470k 33k 4.7k
470
C1114
1p
C1101 R1104
0.1 100
C1104 C1108
0.01 0.1
C1105
47
25V
VCC
BUFFER
IC1102
GND
TC7WU04F D1001
1SS352-TPH
FB1101
C1115
47p
C1152
0.1 R1109 0
R1152
470k
C1153 R1153
1p 47k
SWITCHING
TC7SH08FU
FB1503
VCC
BUFFER
IC1151
GND
TC7WU04F
R1508
100
C1154
47p
R1154 0
C1112 R1115
0.01 10k
C1129
0.001
DIGITAL AUDIO
INTERFACE RECEIVER
JR1005 0
IC1101
LC89056W-E
R1124
R1437
100
FB1104
R1100 C1110
0 1M 18p
FB1407
R1112
X1101
22
12.288MHz
C1109
18p
IC1503
R1507
100 FB1501
C1505
0.1
(Page 24)
22 22
X1
X2
X3
X4
X5
(Page 25)
X6
FB1102
Z1
R1101
10k
D I
R1110 1k DO
Z2
C1133 C1134 R1113
0.1 47 25V 1k
(Page 23)
C1131
100 100p
R1111
1k
XSTATE
DATA0
Z3
GP8
D1101
1SS352-TPH3
R1102
10k
R1108
100
DATA
LRCKI2
BCKI2
KFSIO
Z4