Acer AL2021 AL2021 Service Guide - Page 47

12V_A L20 CX000800000/1206 +12V CN9 1 5 4 3 2 ZD005D100 4 MUTE left_inR109 0/6 R110 0/6 L22 LIN CX000800000/1206 L23 RIN CX000800000/1206 C102 220P/6 C101 220P/6 R1135.1K/6/NS R1145.1K/6/NS C113 220P/6 C114 220P/6 AGND AGND AGND +12V R79 AGND AGND 10K/6 MUTE R75 4.7K/6 1 R76 10K/6 2 3 Q10 MMBT3904L AGND AGND RIN C75 1U/8 AGND C79 1U/8 AGND C83 1U/8 AGND C85 1U/8 LIN C95 1U/8 7 VOLUME VOLUME 12V_A C71 0.01uF/6 U9 1 SDZ 2 RIN+ 3 RIN4 V2P5 5 LIN6 LIN+ 7 AVDDREF 8 VREF 9 VARDIFF 10 VARMAX 11 VOL 12 AGND C97 0.1uF/6 AGND C103 0.01uF/6 12V_A C109 22uF/25V C104 0.1uF/6 L24 CX000800000/1206 C111 1nF/6 L25 C112 1nF/6 CX000800000/1206 C105 0.1uF/6 C110 22uF/25V 13 BSL+ 14 PVCCL 15 PVCCL 16 LOUT+ 17 LOUT+ 18 PGNDL 19 PGNDL 20 LOUT21 LOUT22 PVCCL 23 PVCCL 24 BSL- 48 BSR+ PVCCR 47 46 PVCCR 45 ROUT+ 44 ROUT+ PGNDR 43 PGNDR 42 41 ROUT- 40 ROUT- 39 PVCCR 38 PVCCR BSR- 37 C81 22uF/25V C72 0.1uF/6 L16 CX000800000/1206 C64 1nF/6 C65 1nF/6 L17 CX000800000/1206 C73 0.1uF/6 C66 22uF/25V 12V_A SPKRO+ SPKRO- C74 0.01uF/6 VCLAMPR MODEB MODE AVCC VAROUTR VAROUTL NC AVDD COSC ROSC AGND VCLAMPL 36 C82 1U/8 35 34 33 32 31 30 29 C87 0.1uF/6 28 C96 220P/6 27 R87 120K/6 26 25 C99 1U/8 C84 0.1uF/6 C86 22uF/25V 12V_A AGND AGND L21 CX000800000/1206 GND TPA3003D2 C106 0.01uF/6 12V_A SPKRO+ SPKROSPKLO+ SPKLO- CN6 1 2 3 4 4501-04-04P-R SPKLOSPKLO+ PROJECT : L0T Quanta Computer Inc. Title Size Date: 08. Audio Document Number 08. Audio Friday, July 11, 2003 L0T Rev 2A Sheet 8 of 8 - 47 -