STV 8223 B SOUND IF/AUDIO+VIDEO switch

untuk sound if dan audio/video switching
24pin[12x2] ,pin info=

1[pif pll filt] 2[afc out] 3[cvbs out] 4[switch in] 5[if lc1] 6[if lc2] 7[audio hpf] 8[2nd if sound filt] 9[2nd if decoupling audio] 10[int.video in] 11[switch video out] 12[ext.video in]
24[tuner agc start point adj] 23[tuner agc out] 22[agc cap] 21[nc] 20[if in] 19[if in] 18[gnd] 17[vcc.13v mx] 16[ext.audio in] 15[fm demo.audio out] 14[switch audio out] 13[volume control&mute]