Know 8821/8823/8873/8891/8893/8895 IC PINOUT & voltages
PIN NUMBER : PINOUT = V
1 : U = 0V / VH = 5V
2 : VL = 0V / VH = 5V
3 : key = 4.9V
4 : Gnd
5 : Reset = 4.9V
6 : X tall = 2-3v
7 : X tall = 2-3v
8 : test Gnd = 0v
9 : VCC = 5v
10 :11: GND
12: AFC = 2-3v
13: H out = 1-2v
14: H AFC = 5v
15: vfb = 2v vss Gnd = 0v
16: v. out = 2v
17: H vcc = 8v
18: GND
19: CB in = 2-3v
20: Y in =2-3v
21: CR in =2-3v
22:EXT audio input AV2 =2-3v
23:EXT video input AV2 =2-3v
24:EXT video input AV1 =2-3v
25: ALC filter = 0v
26: TV in = 2-4v
27: ABL in = 1-3v
28: audio out1 = 1-3v
29: audio out2 = 1-3v
30: TV out = 1-3v
31:SIF out = 2.8v
32:EXT audi input AV1 = 2-3v
33: SIF IN = 2-4v
34: DC NF = 2.8v
35: PIF PLL = 2-4V
36: IF vcc = 5v
37: S Reg = 2v
38: audio out = 2v
39: IF AGC = 2.1v
40: IF GND
41: IF IN 1 = 1-2V
42: IF IN 2 = 1-2v
43: RF out AGC tuner =1-4V
44: black detector =1-3v
45: EXT video output =1-3v
46: AFC fil = 1-3v
47: YC - vcc = 5V
48: Sync
49: D VCC = 3.3v
50: R OUT = 1-3v
51: G OUT = 1-3v
52: B OUT = 1-3v
53: GND
54: GND
55: +5v
56: AV/TV= 0v
57: SDA =4.8v
58: SCL =4.8v
59: UHF/50/60HZ= 0v
60: VT = 4.7v
61: ATT volume/MUTE = 3v
62: SYNC In = 4.2v
63: I.R input 1-2V
64: power on +5V/off =0v
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