Schematic Diagram - Io Board - Sony RHT-G800 Service Manual

RHT-G800
3-17. SCHEMATIC DIAGRAM – IO BOARD –
IO BOARD
COAXIAL(SAT)
JL201
1
COAX
2
R213
J201
75
C214 10 35V
IC201
SAT
OPTICAL
RECEIVER
GND
JL202
0
OPT OUT
3.1
VCC
IC201
C202
TORX147L
0.1
B
IC202
OPTICAL
RECEIVER
GND
JL203
0
DVD/BD OPT
OUT
3.1
VCC
IC202
C203
TORX147L
0.1
B
IC203
INPUT
OPTICAL
RECEIVER
GND
JL204
0
OPT OUT
3.1
VCC
IC203
C204
TORX147L
R244
0.1
B 0
TV
C230
JL205
L 1 Lch
R240
L
R241
R242
R JL206
R243
R
C231
J202
R238
C210
JL207
L 1 Lch
R201
L
R239
AUDIO C211
R JL208
R202
R
J203
RHT-G800
• See page 30 for IC Block Diagrams.
C213
1
IC204
TC74VHC153FT(EL)
0 3.1
1G VDD
3.2 3.1
B 2G
0.2 3.0
1C3 A
0
1C2 2C3
1C1 2C2
R214
1k
0
IC204
1C0 2C1
DIGITAL AUDIO
0
1Y 2C0
INPUT SELECTOR
JL211
GND 2Y
R229
100
C228
10 35V
220p
1k
220k
220k
C209
10
1k C229
35V
10 35V
220p
220k
220p CH
C205
10 35V
1k
220k
220p CH C206
10 35V
1k
L201
220uH
8 7 6 5
C220
100
4V
1 2 3 4
Q201
DTC114EKA-T146
IC206
8.7
SCHMITT
TRIGGER
R230 100
R223
15k
16 15 14 13 12 11 10 9
IC205
ANALOG AUDIO
INPUT SELECTOR
IC B/D
1 2 3 4 5 6 7 8
4.4 4.4 4.4 4.4 4.4
R224
15k
24 24
Q202
DTC114EKA-T146
0
0 3.0
Q201,202
INVERTER
IC207
BUFFER
R225
C222
100
10
35V
5 6 7 8
C218
C219
10
0.1
35V
4 3 2 1
C221
R228
10
100
35V
1 RDS_DATA
2 RDS_CLK
C227 0.1 JL220
3 DGND
JL212
4 3.3V
JL213
5 COAX_IN
JL214
6 OPT_IN
7 DI
8 CE
9 DO
10 CK
11 TUNED
D
12 A_SEL3
JL215
R231 1k
13 A_SEL2
JL216
MAIN
R232 1k
14 A_SEL1
BOARD
JL217
R233 1k
15 A_SEL0 (3/5)
(Page 20)
16 WF_OUT
17 +6V
JL218 18 12V
19 A9V
20 Rch
JL219
21 AGND
22 Lch
23 AGND
CN202
23P
BLK