HT-CT770
HT-CT770
31
31
5-5. PRINTED WIRING BOARD - IO Board -
•
: Uses unleaded solder.
• See page 30 for Circuit Boards Location.
1
9
CN201
C201
C202
1
3
IC201
CAM201
R202
R203
R204
C203
JL201
JL202
JL203
JL204
JL205
JL206
JL207
JL208
R201
J201
IO BOARD
(COMPONENT SIDE)
IO BOARD
(CONDUCTOR SIDE)
(CHASSIS)
MAIN
BOARD
CN2005
>03P
ANALOG IN
OPT (TV)
DIGITAL IN
1-889-798-
12
(12)
1-889-798-
12
(12)
A
B
C
D
1
2
3
5-6. SCHEMATIC DIAGRAM - IO Board -
3.3
3.3
220p
C202
0.1
C203
220p
C201
J201
JL201
JL202
JL204
JL205
JL203
JL206
2.2k
R202
0
R201
100
R204
2.2k
R203
JSR1124
IC201
VOUT
1
GND
2
VCC
3
9P
CN201
SW3.3V
1
OPT
2
DGND
3
Lch
4
AGND
5
Rch
6
AGND
7
8
IR4V
9
IR
JL207
JL208
IC201
OPTICAL RECEIVER
ANALOG IN
OPT (TV) DIGITAL IN
IO BOARD
CN2005
MAIN
>03S
(2/6)
BOARD
(CHASSIS)
CAM201
1
C
2
B
3
A
4
5
(Page 37)
(Page 34)