Acer AL722 AL722 Monitor Service Guide - Page 41

1 2 3 4 5 6 2.5VDD L7 0 RC0805D 1 2 2.5VDD 2 1 L6 BLM21P300S RC0805D 1 2 C47 0.1uF 1 C48 0.1uF 1 C49 0.1uF 2 2 + 2 2 3.3VDD 3.3VDD C50 100uF/16V 1 1 1 1 C121 0.1uF C122 0.1uF C123 0.1uF C124 0.1uF C125 0.1uF C126 0.1uF C127 0.1uF 1 1 1 2 2 2 2 2 1 1 1 1 1 C52 C53 C54 C55 16 32 55 75 79 97 121 95 96 2 63 83 111 C51 2 A 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF U6 2 2 2 2 RP8 22 RA[0..7] RA[0..7] 4 VDDP1 VDDP2 VDDP3 VDDP4 VDDP5 VDDP6 VDDP7 AVDD1 AVDD2 VDD1 VDD2 VDD3 VDD4 Remove net"3WSBCS","3WSBCLK","3WSBDATA". Add R57 at U6.66 to 3.3VDD U6.67 link to SDA U6.68 link to SCL 3.3VDD 1,3 1,3 R57 1 SDA SCL 4.7K 2 3.3VDD SBCS# SDA SCL R17 1 4.7K 2 66 67 68 SBCS# SBDATA SBCLK 76 BCS RA0 RA1 RA2 RA3 64 62 61 60 MX_RA0 MX_RA1 MX_RA2 MX_RA3 1 2 3 4 8 7 6 5 RP9 22 RA4 RA5 RA6 RA7 59 58 57 56 MX_RA4 MX_RA5 MX_RA6 MX_RA7 1 2 3 4 RP10 22 8 7 6 5 RA0 RA1 RA2 RA3 RA4 RA5 RA6 RA7 GA[0..7] GA[0..7] 4 3 /RESET /RESET 77 RST# 3 IRQ IRQ 78 IRQ GA0 GA1 GA2 GA3 54 53 52 51 MX_GA0 MX_GA1 MX_GA2 MX_GA3 1 2 3 4 8 7 6 5 RP11 22 GA0 GA1 GA2 GA3 B 1 PDA_R[0..7] PDA_R[0..7] 1 PDA_G[0..7] PDA_G[0..7] 1 PDA_B[0..7] PDA_B[0..7] R56 4.7K 1 2 1 1 1 CLOCK_AR HSYNC_AR VSYNC_AR PDA_R0 PDA_R1 PDA_R2 PDA_R3 PDA_R4 PDA_R5 PDA_R6 PDA_R7 PDA_G0 PDA_G1 PDA_G2 PDA_G3 PDA_G4 PDA_G5 PDA_G6 PDA_G7 PDA_B0 PDA_B1 PDA_B2 PDA_B3 PDA_B4 PDA_B5 PDA_B6 PDA_B7 CLOCK_AR HSYNC_AR VSYNC_AR 103 104 105 106 107 108 109 110 112 113 114 115 117 118 119 120 122 123 124 125 126 127 128 1 101 89 87 85 GA4 GA5 GA6 GA7 PIXINA0/R0 PIXINA1/R1 BA0 PIXINA2/R2 BA1 PIXINA3/R3 BA2 PIXINA4/R4 BA3 PIXINA5/R5 PIXINA6/R6 BA4 PIXINA7/R7 BA5 BA6 PIXINA8/G0 BA7 PIXINA9/G1 PIXINA10/G2 RB0 PIXINA11/G3 RB1 PIXINA12/G4 RB2 PIXINA13/G5 RB3 PIXINA14/G6 PIXINA15/G7 RB4 RB5 PIXINA16/B0 RB6 PIXINA17/B1 RB7 PIXINA18/B2 PIXINA19/B3 GB0 PIXINA20/B4 GB1 PIXINA21/B5 GB2 PIXINA22/B6 GB3 PIXINA23/B7 GB4 GB5 MX88L250EC DCLKA GB6 GB7 DDE 128 PINS HSYNC2 BB0 BB1 BB2 VSYNC1 BB3 49 48 47 46 45 44 43 42 41 40 39 38 28 27 26 25 24 23 22 21 20 19 18 17 15 14 13 12 10 9 8 7 MX_GA4 MX_GA5 MX_GA6 MX_GA7 MX_BA0 MX_BA1 MX_BA2 MX_BA3 MX_BA4 MX_BA5 MX_BA6 MX_BA7 MX_RB0 MX_RB1 MX_RB2 MX_RB3 MX_RB4 MX_RB5 MX_RB6 MX_RB7 MX_GB0 MX_GB1 MX_GB2 MX_GB3 MX_GB4 MX_GB5 MX_GB6 MX_GB7 MX_BB0 MX_BB1 MX_BB2 MX_BB3 1 8 2 7 3 6 4 5 RP12 22 1 8 2 7 3 6 4 5 RP13 22 1 8 2 7 3 6 4 5 RP14 22 1 8 2 7 3 6 4 5 RP15 22 1 8 2 7 3 6 4 5 RP16 22 1 8 2 7 3 6 4 5 RP17 22 1 8 2 7 3 6 4 5 RP18 22 1 8 2 7 3 6 4 5 RP19 22 GA4 GA5 GA6 GA7 BA0 BA1 BA2 BA3 BA4 BA5 BA6 BA7 RB0 RB1 RB2 RB3 RB4 RB5 RB6 RB7 GB0 GB1 GB2 GB3 GB4 GB5 GB6 GB7 BB0 BB1 BB2 BB3 BA[0..7] BA[0..7] 4 RB[0..7] RB[0..7] 4 GB[0..7] GB[0..7] 4 BB[0..7] BB[0..7] 4 C 1 SOG_A 1 HSYNC_14 SOG_A HSYNC_14 82 TDCLK/SOGCS 84 HSYNC1/CS BB4 BB5 BB6 BB7 6 5 4 3 MX_BB4 MX_BB5 MX_BB6 MX_BB7 1 8 BB4 2 7 BB5 3 6 BB6 4 5 BB7 3.3VDD R18 4.7K 2 1 98 99 NC BUSTYPE1 LHSYNC LVSYNC LDTG 35 36 37 LHSYNC LVSYNC LDTG R18.2 link to 3.3VDD LCKA LCKB 31 33 LCKA LCKB 2 Vout Fairchild_RC1117S25T SOT-223 C59 22pF 2 1 X1 R19 14.318MHz 1M C61 22pF 2 1 2 1 94 X0 93 X1 CLAMP TRCLK/HSI_OUT 86 80 GPIOA4/PDEN GPIOA3/INPUTSEL GPIOA2/BLON GPIOA1/PWM1/LED GPIOA0/PWM0 74 73 72 71 70 CLAMP HSYNC_MX ADC-PDEN BLON PWM1 PWM0 CLAMP 1 HSYNC_MX 1 ADC-PDEN 1 BLON 3 PWM1 3 PWM0 3 GNDP1 GNDP2 GNDP3 GNDP4 GNDP5 GNDP6 GNDP7 GNDP8 GNDP9 AGND1 AGND2 GND1 GND2 GND3 GND4 1 2 3 GND Vout Vin D Scaling power 2.5V 5VCC U7 Fairchild_RC1117S25T 3 Vin Vout 2 U7 change package to 1117 SOT-223 2.5VDD 1 1 1 GND 1 1 C63 10uF/10V C64 0.1uF 2 + C65 100uF/16V 2 2 C66 0.01uF C67 0.1uF 2 29 65 100 116 92 91 11 30 34 50 69 81 88 90 102 MX88250 1 2 3 4 5 6 7 8 A B L8 LHSYNC 1 0 2 1 LHSYNC_R C56 15pF LHSYNC_R 4 2 L9 LVSYNC 1 0 2 1 LVSYNC_R C57 15pF LVSYNC_R 4 C 2 L10 0 LDTG 1 2 LDTG_R LDTG_R 4 1 C58 15pF 2 L11 0 LCKA 1 2 LCKA_L LCKA_L 4 1 C60 15pF 2 2 L12 0 LCKB 1 2 LCKB_L 1 C62 15pF LCKB_L 4 D *All Res. and Cap. size is 0603. *The mark "#" to indicate that Part disuse. PCB Name-Rev : VL710-1 Title SCHEMATIC, CTRL/B VL-7 10(CM67B) Size A3 Document Number 401A70 Rev 1B Date: Thursday, May 02, 2002 7 Sheet 3 of 11 8