24
24
RHT-G800
RHT-G800
3-17. SCHEMATIC DIAGRAM – IO BOARD –
• See page 30 for IC Block Diagrams.
D
0
3.1
0
3.1
0
3.1
0
0
0
0
3.2
3.1
1.6
3.1
4.4
4.4
4.4
4.4
8.8
4.4
4.4
4.4
4.4
4.4
8.7
0
8.8
4.4
2.7
1.5
8.7
0
0
3.0
1.5
3.1
3.0
0.2
4.4
4.4
4.4
4.4
4.4
VCC
OUT
GND
VCC
OUT
GND
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
L
R
L
R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
VCC
OUT
GND
A_SEL0
IC202
TORX147L
IC203
TORX147L
IC205
MC14052 BDR2
Y0
Y2
Y
Y3
Y1
INH
VEE
Vss
B
A
X3
X0
X
X1
X2
VDD
IC204
TC74VHC153FT(EL)
1G
B
1C3
1C2
1C1
1C0
1Y
GND
2Y
2C0
2C1
2C2
2C3
A
2G
VDD
C201
0.1
B
J201
1
2
C202
0.1
B
C203
0.1
B
C204
0.1
B
1k
R201
1k
R202
10k
R207
10k
R208
100k
R209
100k
R210
100k
R211
100k
R212
C210
220p CH
C211
220p CH
C212
0.1
75
R213
C213
1
560k
R216
1k
R214
22k
R215
C215
1p
C216
0.1
B
IC207
NJM4565M(TE2)
1out
1in-
1in+
-VCC
2in+
2in-
2out
+VCC
10k
R217
10k
R218
100k
R222
100k
R221
Q201
DTC114EKA-T146
Q202
DTC114EKA-T146
C219
0.1
L201
220uH
100
R229
100
R230
1k
R231
1k
R232
1k
R233
100
R228
100
R225
IC206
TC7WHU04FU(TE12R)
1in
2out
3in
GND
3out
2in
1out
VDD
J203
1 Lch
C205
10 35V
C206
10 35V
C214 10 35V
C218
10
35V
C217
10
35V
C222
10
35V
C221
10
35V
C209
10
35V
100k
R236
100k
R237
C229
10 35V
C228
10 35V
220k
R238
220k
R239
220k
R242
220k
R241
1k
R243
1k
R240
C231
220p
C230
220p
J202
1 Lch
100k
R234
100k
R235
JL201
JL202
JL203
JL204
JL205
JL206
JL207
JL208
JL212
JL213
JL214
JL215
JL216
JL217
JL218
JL219
15k
R223
15k
R224
47k
R219
47k
R220
0
R244
C227
0.1
JL211
JL220
CN202
23P
BLK
RDS_DATA
RDS_CLK
DGND
3.3V
COAX_IN
OPT_IN
DI
CE
DO
CK
TUNED
A_SEL3
A_SEL2
A_SEL1
A_SEL0
WF_OUT
+6V
12V
A9V
Rch
AGND
Lch
AGND
C220
100
4V
IC201
TORX147L
L
OPT
SAT
COAXIAL(SAT)
MAIN
BOARD
(Page 20)
(3/5)
BUFFER
IC207
ANALOG AUDIO
INPUT SELECTOR
IC205
DIGITAL AUDIO
INPUT SELECTOR
IC204
SCHMITT
TRIGGER
IC206
Q201,202
INVERTER
COAX
OPT
OPTICAL
RECEIVER
IC201
DVD/BD
OPTICAL
RECEIVER
IC202
OPTICAL
RECEIVER
IC203
TV
R
R
L
AUDIO
INPUT
IO BOARD
OPT
IC B/D