Brother International HL-720 Service Manual - Page 142
Fig.3 PANEL/SENSOR PCB HL-720/HL-730, Fig.1 MAIN PCB HL-720, Solder Side, Component Side, B48K233-4
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Page 142 highlights
MODEL HL-720/730 84U-501/601 RA10 XL24C01 18 36 RA9 Solder Side Fig.2 MAIN PCB (HL-730) MPD961246J MC68EC000 MB87A907 61 60 1 40 96 0 1 2 3 4 5 6 7 8 9 ABCDE FGH J KLM 98 #7 27 #8 MTD2003 1 R3 R2 C2 40 41 RA8 R1 121 120 81 80 RA7 RA5 RA6 RA4 RA1 RA3 RA2 XL1 P4 OP I/F 1 15 2 14 30 29 16 17 43 44 #5 PST593 1 CP1 1 26 27 1 68 40 10 9 #4 1 21 P3 ENGINE C1 #6 160 1 27C8000 #1 42 27C4000 20 40 Component Side 20 40 Q14 R42 D1 R46 R50 R48 R47 ENGINE P3 1 21 ZD1 R45 C58 C57 ZD2 R51 L1 Q15 Q11 Q12 Q13 C55 R44 R49 C52 C50 R40 R43 R41 C51 C49 C56 C54 C48 Q5 06 Q10 C47 C53 36 18 C45 R36 C41 C38 R37 Q8 Q9 Q7 R35 C40 Q3 Q4 R38 R34 Q2 R33 R39 C42 R31 C46 C44 C43 C39 C35 C37 R32 R30 C36 C34 R27 R29 R28 Q1 C31 R26 R25 C30 C29 C32 R22 C27 R21 C24 C25 C28 C26 C33 R24 R23 R19 C21 R18 C22 R20 C19 C16 C18 R17 R15 C17 R13 C23 R16 C20 R14 C15 C12 C13 R12 R11 R10 R9 R6 R7 R8 C14 P1 CENTRO 19 1 C10 C11 P4 OP I/F 15 14 30 29 C9 Q17 C8 C7 R5 Q16 R53 R54 R61 R59 R58 C61 1 2 16 17 C60 R52 R55 R56 R60 R57 C6 21 1 22 2 C4 C5 P2 EXRAM R4 C3 P1 CENTRO 1 19 C59 1 #9 BA10393F 2 1 22 21 P2 21 B48K233-4 CBDS 21 #2 M5M44260AJ 20 21 M5M44260AJ #3 20 20 19 40 39 EXRAM 19 40 39 20 22 1 21 P3 ENGINE Fig.3 PANEL/SENSOR PCB (HL-720/HL-730) R65 R64 RA13 R62 C54 C56 C55 27 R63 C52 C50 #9 MTD2003 C48 1 C45 RA11 RA9 30 31 RA10 18 36 14 CENTRO C53 R61 C51 RA12 R57 R56 R55 R53 C38 C37 R47 C36 R46 R45 R43 C33 C31 C29 C26 C25 RA8 C20 RA7 C16 C17 C12 RA6 RA5 C14 C13 C10 P1 C4 HM514800 #4 28 #6 XL24C01 XL1 R27 61 60 15 R60 R67 R59 C49 C47 Q19 R58 Q18 C46 C43 120 R52 C44 1 C42 R54 R 51 Q17 R50 Q16 C39 C41 R49 C40 R44 Q15 R48 Q13 C35 Q11 Q14 Q12 SP1 R29 C8 #5 PST591 RA4 27C1001D RA3 RA2 1 HC595 91 90 #8 Q10 R41 C34 R42 C28 R39 R37 R36 Q9 Q8 C15 R33 R26 Q6 R34 #7 40 R24 R25 32 R23 R22 C5 C11 C9 R21 R20 C7 C6 C32 R17 R15 R14 R12 Q4R16 C27 C30 R66 R40 C24 R38 Q3 R13 R35 D1 R11 Q7 C23 C22 C21 C19 Q2 R10 R8 R18 R9 R7 C18 ZD2R32 R31 R6 R19 R5 Q1 R3 R4 ZD1 Q5 R2 R1 C60 1 19 1 29 RA1 96 Q20 26 1 26 1 HC32 17 #3 16 R68 C68 R69 R70 R73 R78 C69 R71 R72 Q21 #11 #1 M5M44256J M5M44256J #2 C57 98 13 14 C3 C2 C1 CBDS B48K224-4 0123456789 ABCDE FGH J KLM 13 14 R77 R74 R75 R76 CP1 20 SW2 SW1 12 LED4 LED3 LED2 LED1 JW6 HIGH P7 VOLTAGE JW4 P4 LOW VOLTAGE P6 SOLENOID 1 2 1 JW5 R1 5 P2 LASER 1 5 1 S1CANNER5 MOTOR P1 JW2 P3 JW3 1 PC1 JW1 C1 + FEED P5 MOTOR 21 1 6 1 TONER3 4 1 P9 0123456789 ABCDE FGH J K LM 96 97 B48K225--5 P8 ENGINE 40 20 PCB SILK-SCREEN PRINTING DRAWING Fig.1 MAIN PCB (HL-720) 30 14 15 P2 EXRAM 17 16 2 1 TI No.96-P036 / 96-P062 #10 BA10393F
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