Intel VC820 Design Guide - Page 219
Line_in_r_fb
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8 7 6 5 4 3 2 1 AC'97 Audio Stereo HP/Spkr out HP_OUTA C10 1 2 HP_OUTA_C 1 2 HP_OUTA_FB HP30 J5 + 100UF L4 HP29 D C3 HP28 D 1 2 HP_OUTB_C 1 2 HP_OUTB_FB HP27 + 100UF L1 HP26 1 1 DB15_AUD_STK C11 + 10PF-NPO C24 + 10PF-NPO AUD_VREFOUT 15 R163 2.2K C27 MIC_IN 1 2 15 + 1UF-TANT MIC_IN_C R9 1K C34 0.01UF 2 Microphone Input + 1 C28 MIC_IN_R 2 1 L5 MIC_IN_FB M20 J5 M19 M18 M17 M16 DB15_AUD_STK 10PF-NPO AGND AGND AGND C Line_In Analog Input C6 LNLVL_OUT_R 1 2 LNLVL_R_C 15 + 1UF-TANT R171 20K LNLVL_OUT_L C13 1 2 LNLVL_L_C R361 15 + 20K 1UF-TANT C2 2 2 AGND 100PF AGND AGND C8 1 + R360 20K LNLVL_R_R AC_BYPASS AGND U1 LM4880 1 OUTA VDD 8 2 INA OUTB 7 3 BYPASS INB 6 4 GND SHUTDN 5 VCC5_AUDIO 15 HP_OUTB EAPD 15 1 + C14 0.1UF 2 1UF 2 LINE_IN_R 15 C23 1 2 + 1UF-TANT LINE_IN_L 15 C25 1 2 + 1UF-TANT LINE_IN_R_C LINE_IN_L_C 1 2 L2 1 2 L3 LINE_IN_R_FB LI25 J5 LI24 LI23 LINE_IN_L_FB LI22 LI21 DB15_AUD_STK AGND LNLVL_L_R AGND 100PF R362 20K C4 C AGND 1 10PF-NPO 1 10PF-NPO C26 + C22 + 2 2 AGND AGND B B CD Analog Input J4 1 2 3 4 CD_L_J CD_REF_J CD_R_J R52 4.7K R27 4.7K R167 4.7K A C59 CD_L_C 2 1 CD_L + 15 1UF C58 CD_REF_C 2 1 CD_REF + 15 1UF C50 CD_R_C 2 1 CD_R + 15 1UF R51 4.7K R30 4.7K R25 4.7K AGND AGND AGND 8 7 6 5 4 A TITLE: INTEL(R) 820 CHIPSET DUAL PROCESSOR CUSTOMER REFERENCE BOARD REV: AUDIO 3.03 R PCD PLATFORM DESIGN DRAWN BY: PROJECT: 1900 PRAIRIE CITY ROAD FOLSOM, CALIFORNIA 95630 LAST REVISED: SHEET: 11-29-1999_14:46 16 OF 38 3 2 1