Haier TV-8888-03, Руководство по обслуживанию

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23
Circuit Explanation
IC reference data:
1). N701 (LC86F3232A
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 Sly 2.2 32
Connect to 5V via a
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
遥控接收
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