Dell SP2009W Service Manual - Page 35

20" LCD Color Monitor 7. Schematic Diagram 7.1 Main Board Dell SP2009Wc +3V3 FB420 +3V3_VDD +3V3 +3V3_AVDD 5,6,7 +3V3 120 OHM C461 + 10uF/50V C462 0.1uF 16V FB421 120 OHM C463 0.1uF 16V EM I +3V3_VDD +3V3_VDD FB723 GND GND R483 4K7 1/16W 5% 300OHM C520 + 10uF/50V C521 0.1uF 16V CN401 5,6,7 +5V +5V BZ401 SPEAKER +3V3 +3V3_VDD R463 R476 ALE 3 ALE 3 RD 3 WR 4K7 1/16W 5% 4K7 1/16W 5% KEY _SCL KEY _SDA +3V3 R496 10K 1/16W 5% R493 4K7 1/16W 5% Q402 2N3906S-RTK/PS KEY _SCL KEY _SDA R485 R486 100R 1/16W 5% 100R 1/16W 5% Power_SW Power_LED Int_SW 7 GND 6 5 4 3 2 1 C471 C472 C473 0.1uF 16V 0.1uF 16V 0.1uF 16V ZD107 NC ZD108GND NC CONN + 1 2 Q404 2N3904S-RTK/PS R416 10K 1/16W 5% R415 4K7 1/16W 5% BUZZER +3V3_VDD Int_SW R494 100R 1/16W 5% TP11 TP10 TP9 TP12TP13 TP2 R498 75R 1/16W 5% Power_LED GND GND R438 R439 R441 R443 NC NC 10K 1/16W 5% 10K 1/16W 5% A18 A17 A16 A15 TRST TDO TD TMS TCK +3V3_AVDD +3V3_VDD MAD0 MAD1 MAD2 R440 R442 R444 +3V3_VDD NC NC NC 7 6 1 100 8 +3V3 R446 NC R447 NC R449 NC U402 9 U408 NC/G690H293T73 + C460 10uF/50V 7 USB_EN 7 USB_DET 5 DSUB_DET 5 DVI_DET RST 10 11 12 13 P5.0 P5.1 P5.2 P5.3 2 14 RST 3 RESET 3 HWRESET 15 P5.4 Vcc GND 1 C470 NC R454 4K7 1/16W 5% Power_SW R457 6 LCD_EN 6 BKLT_EN 5 WP_EN NC VGA_SCL_3V R456 100R 1/16W 5% 16 17 18 19 P5.5 P5.6 P5.7 P3.0/RXD GND VGA_SDA_3V KENT 5 ISP R458 D106 2 NC 1 Schottk y Diode RB160M-60TE25 VGA_SDA_3V R459 Power_SW R418 3 INT 100R 1/16W 5% 100R 1/16W 5% MSCL 20 21 22 23 P4.3 P3.1/TXD P3.2/INT0 P3.3/INT1 WE R466 MSDA 0R05 1/16W 24 25 26 27 P3.4T0 P3.5/T1 P3. 6/ W R NC 28 29 30 NC NC NC NC P1.7 P1.6 P1.5 P1.4 P1.3/PWM3 P1.2/PWM2 P1.1/PWM1 99 98 97 P1.0/PWM0 96 P4.2 TRST TDO TDI 95 94 93 92 TMS TCK P7.7 91 90 89 P7.6 P7.5 P7.4 88 87 86 AVDD VDD VDD 85 84 83 P0.0/AD0 82 P0.1/AD1 P0.2/AD2 81 80 P0.3/AD3 73 P0.4/AD4 72 P0.5/AD5 P0.6/AD6 P0.7/AD7 P6.7/SDA2 71 70 69 68 P6.6/SCL2 P6.5/SDA1 P6.4/SCL1 EA 67 66 65 64 NC P4.1 ALE /PSTN 63 62 61 60 P2.7/A15 P2.6/A14 P2.5/A13 P2.4/A12 59 58 57 MAD3 R448 NC MAD4 R450 NC MAD5 R451 NC MAD6 R452 NC MAD7 R453 NC +3V3_VDD +3V3 R430 10K 1/16W 5% +3V3_VDD R431 NC CAM_MIC_DIAG 7 SDA1 SCL1 R582 R583 R490 R491 0R05 1/16WDVI_SDA_3V 0R05 1/16WDVI_SCL_3V 0R05 1/16WVGA_SDA_3V 0R05 1/16WVGA_SCL_3V R417 Q401 4K7 1/16W 5% 2N3904S-RTK/PS GND MALE PSEN A14 A13 A12 23 25 4 28 29 3 2 +3V3_VDD C465 0.1uF 16V 22 24PSEN 1 A18 32 16 GND GND U404 A0 A1 A2 A3 12 11 10 9 A0 A1 A2 A4 A5 A6 A7 8 7 6 5 A3 A4 A5 A6 A8 A9 27 26 A7 A8 A9 A10 A11 A12 A18 VCC GND A13 A14 A15 A17 WE# CE# OE# Q0 Q1 13 14 15 Q2 Q3 Q4 Q5 17 18 19 20 Q6 Q7 21 MAD0 MAD1 MAD2 MAD3 MAD4 MAD5 MAD6 MAD7 W39A040 30 A16 31 WE A17 A14 A15 A16 A10 A11 A12 A13 +3V3_VDD C466 0.22uF 1 2 3 4 A0 A1 A2 GND VCC 8 7 WP SCL SDA 6 5 GND U405 24LC16B/SNG WP R469 R470 R467 10K 1/16W 5% 100R 1/16W 5% 100R 1/16W 5% R468 10K 1/16W 5% MSCL MSDA +3V3_VDD R492 4K7 1/16W 5% KENT +3V3_VDD 2 3 4 NC NC 5 NC NC R577 NC P3.7/RD XTAL2 XTAL1 NC 32 33 34 35 31 5 HPD_DVI +3V3_VDD R478 10K 1/16W 5% WP C468 22pF GND 1 C469 22pF GND 2 X402 24.000MHZ 36 37 38 AVSS VSS VSS 39 NC 40 41 42 43 P4.0 P7.0 P7.1 P7.2 NC NC NC 79 78 77 76 NC 75 NC 74 NC W79L659A25FL +3V3_VDD P2.1/A9 P2.2/A10 P2.3/A11 P6.2 P6.3 P2.0/A8 NC NC NC NC 53 NC P7.3 P6.0 P6.1 54 55 56 50 51 52 47 48 49 44 45 46 R480 NC R481 NC R482 NC A11 R472 R473 A10 10K 1/16W 5% 10K 1/16W 5% A9 A8 AD3 AD2 AD1 AD0 TP15 AUDIO_DET 6 AUDIO_EN 6 OFF 6 +3V3_VDD R474 R475 10K 1/16W 5% 10K 1/16W 5% AD[0..3] 3 +5V +3V3_VDD R495 NC VGA_SDA 5 Q406 2N7002 SOT-23 +5V +3V3_VDD R497 NC VGA_SCL 5 Q407 2N7002 SOT-23 +5V +3V3_VDD R596 NC DDCD_SDA 3,5 Q409 2N7002 SOT-23 +5V +3V3_VDD R597 NC DDCD_SCL 3,5 Q408 2N7002 SOT-23 +3V3_VDD MAD0 MAD1 MAD2 MAD3 MAD4 MAD5 MAD6 MAD7 GND MALE C464 0.1uF 16V U403 3 2 A0 4 7 8 13 D0 D1 D2 D3 Q0 Q1 Q2 Q3 5 6 9 12 A1 A2 A3 A4 14 17 18 D4 D5 D6 D7 Q4 Q5 Q6 Q7 15 16 19 A5 A6 A7 20 11 VCCGND LE OE 10 1 74LVC373APW GND +3V3_VDD R471 10K 1/16W 5% C467 0.1uF 16V 2 GND 5 U409 4 NC/ TC7SU04FU 3 R484 4K7 1/16W 5% +3V3_VDD GND R479 10K 1/16W 5% Q405 2N3904S-RTK/PS GND R432 4K7 1/16W 5% VGA_SDA_3V R499 4K7 1/16W 5% VGA_SCL_3V R598 4K7 1/16W 5% DVI_SDA_3V R599 4K7 1/16W 5% DVI_SCL_3V 35 T P V ( Top Victory Electronics Co . , Ltd. ) G3079-D-X-X-1-080424 Key Component Date 2. MCU and f unction key Thursday , April 24, 2008 OEM MODEL DELL SP2009W TPV MODEL SP2009W PCB NAME 715G3079-C Sheet 2 of 7 Size Rev 称爹 C A