Brother International HL 760 Service Manual - Page 40

Appendix 2. Main PCB Circuit Diagram (113) 2 I 3 I 4 Q 1 I B 10 11 12 1R33) 680 A SYSCLK (03- 02E) d-SV OV 033-000) BUSDIR RESETS (03- 020 11'V :;% 9IDMT 1 VCC OUTS MR OV t-SV IDT79R3041-20d (0277 5 Y>r> Y>, . A0 8 Al A2 A3 A4 4 AS 3 AS A7 80 11 BI 12 02 13 03 14 84 15 BS 16 BS 17 B7 113 43I2 1 I • 031 D30 D29 D22 D27 D26 / D25 / D24 (60,74F245 TiR VCC 20 19 ODE CND 10 9 AO Al 7 A2 5 A3 A4 4 AS 3 AG 2 A7 80 11 BI 12 82 13 83 14 84 IS 05 16 EIG 17 87 le AS coSV RA7 103 S 79 RA9 103 5,79 ev I -43 2 1 023 D22 I D2I D20 Di9 DI8 D17 DM DC31 :001 .01) RA1,2,5,6,9,10,13,14 DOES NOT MOUNT. ADIS / AD 14 AD13 / AD12 / A011 / A1110 ADM / Aim% / . 13-)4F245 1 Tig VCC 20 19 OM CND 10 • 9 AO 8 Al A2 A3 A4 4 AS 3 AS 2 A7 BO 11 BI 12 82 13 83 14 15 84 BS 16 BS 17 B7 19 0 0V RAII 103 RAI2 103 5g23"23, :I D14 D13 '3 D12 D11 DIG DOS / DO8 rj E) TTTTTTT 104 104 104 104 104 104 104 PST591 3041 95179F245 F245 F245 F245 o+SV eV M8 CIO :001 CO2-010 MA CIS :11] CO2-04F3 ADO7 ADOS ADOS ADO4 ADO3 ADO2 ADO1 ADO° .14174F245 RAIS 103 RAI6 103 +sv,0 T/R VCC Pa 0 +5V I +?I'N ' OOE 9 AO Al A2 5 A3 A4 4 AS 3 AS A7 CND IL 80 11 BI 12 B2 13 B3 14 84 15 BS 16 BS 17 B7 113 OOV 'A? lir 1 Do, / DOG / DOS DO4 / [ DO3 / DO2 / DO1 / DOG / 401> (02-040 103-020 N 2 3 A l 7 CODE UK3227000 NAME B48K272CIR(1/3) 10 12 V- 2