Brother International HL 5030 Service Manual - Page 256

Appendix 5. Main PCB Circuit Diagram, HL-5070N (2/4) 1 2 3 4 5 6 7 A B C D VDD3 E F L PC Printer H Printer PC CDCC_DIR 2B CDCC_HD 2B CDCC_D[7-0] 1C CDCC_D[0] CDCC_D[1] CDCC_D[2] CDCC_D[3] CDCC_D[4] CDCC_D[5] CDCC_D[6] INITN 5D SEINN 5D HBUSY 5D STBN 5D CDCC_D[0] CDCC_D[1] CDCC_D[2] CDCC_D[3] CDCC_D[4] CDCC_D[5] CDCC_D[6] CDCC_D[7] U7 230 245 CDCCINITN CDCCACKN 229 244 CDCCSINN CDCCBUSY 228 243 CDCCHBUSY CDCCPEN 227 242 CDCCSTBN CDCCSLCT 241 CDCCFLTN 240 CDCC_D0 239 246 CDCC_D1 CDCC_DIR 238 250 CDCC_D2 VSCANCLK 235 CDCC_D3 234 CDCC_D4 233 203 CDCC_D5 EESCL 232 202 CDCC_D6 EESDA 231 CDCC_D7 CDCC_DIR 3A CDCC_HD 3A R71 VDD3 TP58 4.7k R77 100 TP59 R74 100 TP67 TP68 U6 8 VCC 6 SCL 5 SDA 7 TEST 4 VSS 1 A0 2 A1 3 A2 C68 C103 CDCC_D[7] VDD3 0V INITN_IN CDC-.cir/2B SELINN_IN CDC-.cir/2B HBUSY_IN CDC-.cir/2B STBN_IN CDC-.cir/2B 10k 10k 10k CDCC_D[7-0] 3A DBRXD 1E PHRXD 1F USBVCC 2C C86 R102 TP718 C270 1 680 R99 X2 C85 0V 2 C270 AT-49 12.000MHZ @C109 @R112 TP719 C100 1 100 @R110 @X4 @C100 0V 2 0 AT-49 33.333333MHZ VDD3 SW2 0V R93 10k R96 10k R116 10k R118 10k R82 10k R122 10k R123 0 BDN 5E ENGDI 3D TP53 TP18 TP54 TP55 TP56 TP57 10k 10k 3.3k 1M M24C64-WMN6 C72 C101 R44 22k 199 DBRXD 201 PHRXD 195 USBVCC 198 DBTXD 200 PHTXD 187 USB_HSDP 188 USB_HSDM DBTXD 1F 0V PHTXD 1F TP1003 USBVCC 1C 190 USB_FSDP 191 USB_FSDM TP1004 R66 TP1005 R65 R47 1M 39 39 226 UCKOUT 223 UCKIN 80 VCKOUT 82 VCKIN 101 VBDN 186 USBRPU 183 USBEXT12 TP1006 TP1007 VENBN0 VDON0 VENBN1/IO VDON1/IO VCALN0/IO VCALN1/IO VLDHARF/IO 102 109 104 TP21 110 TP22 106 TP23 105 TP24 103 TP25 R56 R57 1.5k 12k C57 C103 ENBN0 5E VDON0 5E VDD3 0V 254 ENGDI 253 ENGRSTN 255 ENGDO 217 REV0 218 REV1 219 REV2 251 REV3 252 REV4 107 REV5 LED0/PNLRST LED1/PNLCLK LED2/PNLDO LED3 LED4 PNLSW0/PNLDI PNLSW1 3 TP60 6 TP61 5 TP62 256 TP63 2 TP64 4 1 LED0 2E LED1 2F LED2 2F LED3 2F LED4 2F SW0 2E SW1 2F ENGDI 1D R121 R80 R94 R97 R114 R86 0 208 207 HSRXD/IO HSTXD/IO TP27 0V 0V TP19 210 HSCTS/IO 209 HSRTS/IO TP28 R83 0 TP20 Aurora 0V 0V L24 1 2 USB CN3 UBR23-4K5200 1 VCC 4 3 +DATA 3 2 -DATA 0V 4 GND 5 FG IF_FG3 6 FG VDD3 TP200 R142 1k TP201 R138 100 VDD5 TP202 TP203 TP204 R141 100 0V C152 C103 C153 C101 C142 C101 C154 C103 C143 C102 R140 4.7k C119 C101 C118 C101 C116 C101 C115 C101 C135 U11 48 18 DIR VCC 1 7 HD VCC 34 31 0V GND VCC_CABLE 42 VCC_CABLE 10 GND 15 GND 39 GND 8 A1 9 A2 11 A3 12 A4 13 A5 14 A6 16 A7 17 A8 2 A9 3 A10 4 A11 5 A12 6 A13 41 B1 40 B2 38 B3 37 B4 36 B5 35 B6 33 B7 32 B8 47 Y9 46 Y10 45 Y11 44 Y12 43 Y13 D[0] D[1] D[2] D[3] D[4] D[5] D[6] D[7] 29 C14 28 C15 27 C16 26 C17 20 A14 21 A15 22 A16 23 A17 19 PLHIN 24 HLH PLH HLHIN TP999 74LVX161284 30 TP998 25 0V R139 4.7k VDD3 L10 L14 L12 TP205 L13 L15 ENGINE CN9 0 1 3.3V 0 5 RESET 0 3 TXD 0 4 RXD 0 6 5V L11 0 2 0V B6B-PH-K-S C120 C103 C136 C103 C121 C103 C103 VDD3 VDD5 0V 0V D[7-0] CDC-.cir/3C VDD5 C133 C101 C132 C101 C130 C101 C129 C101 C127 C101 C126 C101 C124 C101 C123 C101 0V TP118 HBUSY_IN R113 33 CDC-.cir/1B TP119 SELINN_IN R115 33 CDC-.cir/1B TP120 R119 33 INITN_IN CDC-.cir/1B TP121 STBN_IN R131 33 CDC-.cir/1B DA2 DA3 C4 C3 C2 C1 C4 C3 C2 C1 D[7-0] CDC-.cir/3A D[7-0] D[0] D[1] D[2] D[3] D[4] D[5] D[6] D[7] TP122 RA6 1 2 3 4 RA5 1 2 TP123 3 4 DF5A6.8FU 0V DF5A6.8FU 33 8 7 6 5 33 8 7 6 5 C4 C3 C2 C1 DA4 DA5 C2 C1 C3 A DF5A6.8FU 0V DF5A6.8FU A A A C4 ZD1 UDZS6.8B NC NC NC NC IF_FG IF_FG2 CN5 18 +5V 16 0V 17 0V 19 0V 20 0V 21 0V 22 0V 23 0V 24 0V 25 0V 26 0V 27 0V 28 0V 29 0V 30 0V 10 ACK 11 BUSY 12 PE 13 SELECT 32 FLT 14 ATFEED 36 SELIN 31 INPRIM 1 STB 2 DI1 3 DI2 4 DI3 5 DI4 6 DI5 7 DI6 8 DI7 9 DI8 15 NC 33 NC 34 NC 35 NC 37 FG 38 FG INITN 1B SEINN 1B HBUSY 1B STBN 1B VDON0 2D VDD3 VDD5 R21 680 TP230 1/10W R15 C27 330 TP233 C471 Q3 TP231 R19 C 680 R16 680 B C3735 E U2 5 VCC 1 B 2 A 3 GND 4 Y TC7SH08FU R10 0 C18 C103 VDD5 0V 0V VDD5 VDD3 TP234 0V VDD3 DEBUG @CN6 VDD3 PANEL BDN 1D ENBN0 2D TP232 R12 0 0V R146 1k R147 1k R149 DBRXD DBTXD 10k TP737 1C TP738 1 RXD 2 TXD 2C VDD3 B2B-PH-K-S PHTXD 2C PHRXD 1C TP1001 TP1002 R150 @CN7 10k 1 DTXD 2 DRXD LED0 3D SW0 3E LED2 3D LED1 3D LED3 3E SW1 3E LED4 3E TP210 TP211 R148 1k R145 1k MMZ1608Y601B L18 L19 MMZ1608Y601B L20 MMZ1608Y601B L16 MMZ1608Y601B L17 MMZ1608Y601B L21 0 0V L22 0 VDD5 CN10 4 LED0/PNLRSTN 5 SW0/PNLDI 6 LED2/PNLDO 7 LED1/PNLCLK 2 LED3 1 SW1 3 LED4 8 GND 9 VDD5 B9B-PH-K-S IF_FG IF_FG2 TP710 R143 0 TP712 R69 0 R34 IF_FG3 0 R3 IF_FG4 0 TP711 TP713 TP714 TP715 FG1 IF_FG3 IF_FG4 FG3 C146 C101 C145 C101 C150 C101 C149 C101 C147 C101 C144 C101 C148 C101 B2B-PH-K-S 5V POWER 0V @CN11 VDD5 1 VDD5 TP716R137 FG2 0V 0 R1 FG3 0V 0 TP717R2 FG4 0V 0 0V 2 0V 1 2 3 4 5 6 7 1/10W 330 R151 C20 C270 C23 C101 C22 C102 R7 220k 8 A C29 10V C33 + VDD5 0V C55 10V C33 + VDD3 0V VDD1.8 B C54 + 6.3V 6V C470 0V C4 C25 C32 C139 C155 C156 C92 VDD5 C103 C103 C103 C103 C103 C103 C103 VDD3 C D VDD3 C21 R8 CN1 C103 1k L3 0 5 DATA1 L4 0 4 GND TP235 L5 0 3 +5V R13 100 L7 0 1 BD E L6 0 2 ENB1 0V F CODE LJ9247001 NAME B512155CIR (2/4) 8 A - 5 A-5 APPENDIX