ViewSonic VX2000 Service Manual - Page 61

5 4 3 2 1 +5V_CTRL C1 R1 GND 10 VDD 27 R2 11 9 U1 D D Osc_bias_adj1 Osc_bias_adj2 C2 C3 C4 C5 C6 C7 C8 C9 Ref_1 15 Ref_2 18 Ref_3 19 Ref_4 22 Ref_5 4 Ref_6 1 Ref_7 36 Ref_8 33 Ref_1 Ref_2 Ref_3 Ref_4 Ref_5 Ref_6 Ref_7 Ref_8 Sout_1 Sout_2 Sout_3 Sout_4 Sout_5 Sout_6 Sout_7 Sout_8 14 13 24 23 5 6 31 32 OUT_VOL_UP OUT_POWER OUT_SEL2 OUT_UP OUT_VOL_DOWN OUT_MUTE OUT_DOWN OUT_SEL1 J1 TS6 1 Sin_6 R9 TS1 1 Sin_1 R3 TS3 1 Sin_3 R5 TS4 1 Sin_4 R6 TS7 1 Sin_7 R10 TS8 1 Sin_8 R11 TS5 1 Sin_5 R7 TS2 1 Sin_2 R4 16 17 20 21 3 2 35 34 Sin_1 Sin_2 Sin_3 Sin_4 Sin_5 Sin_6 Sin_7 Sin_8 Buzzer_out Buzzer_R Buzzer_Ctrl 25 28 29 BUZZER R26 R8 PIP_BUZZER C10 C11 C12 C13 C14 C15 C16 C17 OUT_MUTE OUT_VOL_UP OUT_SEL2 OUT_UP OUT_DOWN OUT_SEL1 OUT_VOL_DOWN OUT_POWER 17 18 15 16 13 14 11 12 9 26 Hold_clk_adj 30 P_on_rst C EN_3 EN_2 EN_1 LEDA LEDG PIP_BUZZER 10 7 8 5 C 12 8 7 +5V_CTRL R13 R12 R27 VR1 6 +5V_CTRL L1 3 4 1 C18 C19 D1 2 R17 RED LEDA +5V_CTRL R14 R15 R16 GREEN R22 LEDG +5V_CTRL J2 SPR 1 SPL 2 3 4 EN_1 R23 EN_2 EN_3 B R18 R19 R20 + B D2 +5V_CTRL R21 +5V_TS R24 1 R25 Q1 2 3 BU1 +5V_TS C28 C21 C22 C23 C27 C26 C25 C24 2 2 2 2 2 2 2 2 A C20 3 Sin_1 D3 3 Sin_2 D4 3 Sin_3 D5 3 Sin_4 D6 3 Sin_5 D7 1 1 1 1 1 5 4 ViewSonic Corporation 1 3 Sin_6 D8 3 Sin_7 D9 3 Sin_8 D10 1 1 3 10-1-12 Confidential - Do Not Copy 2 VX2000 A ViewSonic Corporation Title VX2000 Size Document Number Rev B CONTROL BD C Date: Thursday, June 27, 2002 Sheet 1 of 1 M04-3005F1 REV.A 1