TDA9351 / TDA9381 )Pin Symbol I/O Function
1 STAND BY I/O Power control & Check, On=Hi-Z(input),Off=L(output)
2 SCL I/O IIC-BUS SCL1
3 SDA I/O IIC-BUS SDA1
4 TUNING Out VT output
5 NTSC SW/AC TEST Out System
6 KEY In Key input
7 VOL Out VOLUME OUTPUT
8 MUTE Out Mute Output
9 Vss C/P GND connection
10 BAND1 Out BAND data output 1
11 BAND2 Out BAND data output 2
12 VSSA GND connection
13 SECPLL
SECAM PLL decoupling
14 VP2 In 8V power supply
15 DECDIG Digital Decoupling
16 PHL2LF Phase –2 filter
17 PHL1LF Phase –1 filter
18 GND3 GND connection
19 DECBG Bandgap decoupling
20 AVL/EWD Out Automatic volume leveling/East-West drive output
21 VDRB Out Vertical drive B output
22 VDRA Out Vertical drive A output
23 IF1 In Input terminals for IF signals.
24 IF2 In Input terminals for IF signals.
25 IREF Reference current input
26 VSC Vertical sawtooth capacitor
27 TUNER AGC Tuner AGC output
28 AUDEEM/SIF1 Audio deemphasis or SIF input 1
29 DECSDEM/SIF2 Decoupling sound demodulator or SIF input 2
30 GND2 Ground 2 for TV processor
31 SNDPLL/SIF AGC Narrow band PLL filter/AGC sound IF
32 AVL/REFO Automatic Volume Levelling / Subcarrier reference output
33 H OUT Out Horizontal output
34 FBISO Flyback input / sand castle output
35 AUDEXT/QSSO External audio input / QSS output
36 EHTO EHT/overvoltage protection input
37 PLLIF IF-PLL loop fiter
38 IFVO/SVO Out IF video output / selected CVBS output
39 VP1 Main supply voltage TV-processor(+8V)
40 CVBSINT In Internal CVBS input
41 GND1 Ground 1 for TV-processor
42 CVBS/Y External CVBS / Y input
43 CHROMA In Chrominance input (SVHS)
44 AUDOUT/AMOUT Out Audio output /AM audio output (volume controlled)
45 INSSW2 In 2 RGB/YUV insertion input
46 R2/VIN In 2 R input/ V (R-Y)input
47 G2/YIN In 2 G input/ U input
48 B2/UIN In 2 B input/ U (B-Y)
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