25
CIRCUIT EXPLANATION
IC reference data:
1). N701 (LC86F3248A)
Pin
No.
Function
Voltage
(V)
Pin
No.
Function
Voltage
(V)
1 n.c
22 R-input 0.06
2
Connect to 5V
resistor via a
5.03 23
G-input
0.06
3
Connect to 5V
resistor via a
5.03 24
B-input
0.07
4
Connect to 5V
resistor via a
5.04 25
Blank
0.15
5
Connect to 5V via a
5.03
26
n.c.
0.01
6
Connect to 5V
resistor via a
5.03
27
I2C bus control 0
4.85
7
Standby
0.03
28
I2C bus control 0
4.79
8
n.c.
0
29
I2C bus control 1
5
9
Ground
0
30
I2C bus control 1
4.99
10 Scl 1.47
31
Connect to 5V resistor
via a
5.03
11 sdl
2.2
32
Connect to 5V via a
resistor
5.04
12 Power
supply 4.99 33
Connect to 5V resistor
via a
5.03
13
Key input
0.24
34
Infrared receive
0.03
14 AFT
in 2.77
35
Connect to 5V resistor
via a
5.02
15 AGC
in
1.7
36
Connect to 5V resistor
via a
5.01
16 n.c.
1.7
37
Mute
0.11
17 Reset 4.99
38 AV
select
0.02
18 Filter 3.13
39
Connect to 5V resistor
via a
5.02
19 CVBS
in 3.25
40
Connect to 5V via a
resist
5.01
20
V sync input
4.8
41
C resistor
5.01
21
H sync input
4.12
42
Connect to 5V resistor
via a
5.02
Summary of Contents for TV-8888-30
Page 3: ...3 PRODUCT CODE EXPLANATION AND SERIES INTRODUCTION ...
Page 14: ...14 NET DIMENSION 13 8 13 1 14 4 ...
Page 15: ...15 PARTS AND FUNCTIONS ...
Page 16: ...16 REMOTE CONTROLLER FUNCTION ...
Page 23: ...23 CIRCUIT BLOCK DIAGRAM ...
Page 24: ...24 PCB ...
