Brother International HL-3400CN Service Manual - Page 103

Main PCB Circuit Diagram (2/9) R8751V-40 1.14 POODRV31 C3 100u 16.3V1 C48 104 Vin V 2 CS IC521 CSI 10u I1041 104 +3V C4 47u 16.3V1 104 x 4' umi g; 2 2 2 gt°- .35 E MI3B7F4560 C54 `'1s2'0gi%, 104 R118 R119 2400Ce IK US/ I.8K NS/ 3400C 680 IV/ C106 050 .29 C8750 XIN I5 C122 050 (07-04E) COSCL 24 SCU( VDD VDD VDD 14 VDD 46 VDDC 42 VDDS 19 VDDS VDDS (07-04F) CBSDA SDATA +31/0- Ir ki\A.3 24 ACPO,MODE VSS VSS VSG-L-• VSS -I, -. VSS 33 . 45 RI Gov SDRAMII/a 17 SDRAMIO/P5 1B SDRAMS/A5 20 „ SDRAMB/PD 21 SDRAMS 31 SDRAM6 29 SDRAM7 26 - Yv% SDRAM4 +3V SDRAM3 SDRAM2 ,S.D.RA.M01 uk/.w, • SDRAMF8-4 - C19 104(6.39) Cl ef mm Vout 3.31V 3.43V XT2 2400Ce 14.21061.1CH.] 3400C : 21.9130110.1 8216 C212 681 150 101 180 L3 BLM21I21251 +3V .35 B 11887F4560 L2 • OLM21I21261 +3V C18 10416.39) C213 150 39 RIO H Loo,,j, 735 VOUT C212 C216 000 1 127 RTCIN 8215 101 2 c214 les 8, 9 RTCOUT EFVftEE`ii-Ei 2 DOCe:1Rn/ 3 00C : R90 3➢RA9 5DRASN 6406)7 SDCAS7p / S➢cash (4047 SDKE7G~Vt~SDUEN (407) SDCS11 244 SDCSIN 157 SDCSN 322 SDCSN 243 9 9 SDCSNO (04-01A) SDCSN I (34-07A, SDCSN2 035-06D, SDCSN3 00S-060) SDCSN4 EISD, SDCSNS (05-06D) :SDrni.Cc:S.N67 ,003,5 .09.D; SDRECCLK 035 IIC> CPUSCLK 031-01D7 SDCLKS COS-090 SDCLK4 COS-090 SDCLK3 035-060 SDCLK2 (25-216E1 SDCLN I 024-07A) SDCLKO 014-01. SDCSII SD110110 SDDOMI 241 154 (72'1',2\/2,'112 SD110.2 31. 51,,,,, soon 3.4,_,z,...., RA87 00 SDDOMO SDDOM1 SDDOM2 \\ SDDOP13 \ \ RIBS 330 1.2/ OV 2 REF PCI/52 7 4PCFIZI,..51 , zr427-4_6 PCI5 13 PCI4 12 15 CLKIN CPUI - CPU2 47 180 x 7 O 0V 34000 . 12:'; (09-070) T3s tC201 L R28 000 O OV 182 PCICLK 99 SCLK 89 CLK 1920 RESETS . 144 101 OV. ,Ir,IAA,A,11„-35.0_2kw ie RA93 f1A. 239 61 13 100 11010B ,14 MADT 317 et.7\7701 MAO6 23. 71,M/ ,12 9I r1A I1A: .A01 MAO S 100 1' 2 MA10\ MAN\ MA08\ MA07\ MA06\ NAOS\ MA04\ RAM\ MAN\ MA01\ MA00\ > 1 : 21, CASCLK (07-013A) (01-09CD ADR[02'25] an0 R1 .1 1 •59C 1(713) (CN3) 1 g DV (m -136C) RESET. (09-04F1 HSCLK (07-04C) LOCEIRD. 037-04C, LOCOURM (09-04E) CSDEBUCH (09-02 1 ADRO2 ICN21 flADO RESET,, 1› x2I > IDRDn -> IDWRn 7> SCICSn ( DBINTn IIIIIIIII 1.1 ROSES , 390 ROSES ITTTTTTTT VDDES 3, ROSES 380 VDDE5 3133 VDDE5 OV 104 x 25 g::' 411 VDDE: ! Pt; N EL'J' +"° 1111111111 :47- VDDI VDDI VDDI VDDI VDDI 365 VDDI N!!aaEN!6! . n 369 ri 1111111111 : IRP VDDI VDDI 0,111111111I VDDI 308 DI 399 DI 394 DI 3% DI 397 DI +390 11111 , 420 VDDI 2,1_11LT 4 Z7 VDDI VDDI 409 VDDI 41P VDDI 104 x 20 420 22222F2F-HT°• •` Lf LI LI LI LI LI LI LI LI LI +3V0 11111_L_L111 nvo TTTTTTTTTT Lei P '".; 2 2 2 ru ro 2 5.3 VDDIO3 v212] 2 VDDI03 gIV lg +3° 1111111111 , o c, TTTTTTTTTT VDDIO3 VDDIO3 330 VDDIO3 3. VDDIO3 VDDIO3 372 389 SDDOP1E0:31 409 MA[00:12] 403) 4 14 +503 :41 _Li 406 419 VDDIO3 936 'Vi11:1'g: O DV VSS 7 e p0V VSS a VSS 51 0 ' 76 353 ''ii : V55 387 ''' ii 373 e VSS 375 VSS 361 e g: 364 VSS g: 367 as , g: ''': ' 481 494 e ''ii 497 e VSS 4I0 V:SS 414 VSS VSS n:1O --3'" VSSI0 3 VSSI0 BS VSSI0 VSSID 28 VSSIO VSSIO VSSIO VSSIO VSSID VSSID 23 VSSID 24 VSSID VSSID VSSID VSSI VSSIO 34 39 V55I0 VSSIO VSSID 41 VSSIO LS ACF32 18-223 - AVD---1-rn±" ,-1-r0 +3V T 104 AVS 305 +3V RVD 371 '''S L RV3 , g 4 04 ID3 R323 000 R2S1 201 (212S ) N.C. 2s 22 N.C. N.C. SS lr T I .71 2 111.2020 C (07-04C) LOCORDN 7011 mEg;" (.17/ 74LCX245 T/R VCC +5 (09-04E1 CSMEGUCN DOE . CND T [1041 1309 LOCD08 /Locos Amnia Aocni :E4 AO BO DA24 Al B1 G M DA25 A2 62 16 2M DA26 A3 83 15 DA27 RI I 103 esv i" 7 I I 8196 RNSVD42A 152', .-------eVDD OUT-1-1--•--9--,./N.1,-RESETN Cm -042/ (07-04E) SCL .32 1.124C64 TEST VCC SCL VSS •-e- Al 4.6V ci°;," T IS 472 /LOC1112 /LOCDI3 /LOCDI4 A4 84 14 AS BS 13 DA28 5 DA29 (1 I 1:4 VSS CD MC - 4- IR1941 t0001 ay. • 3 A2 SDA SDA (07 04E) AG BS DA30 /LOCDI5 A7 97 M DA31 104 (5412) 107-1241 LDCDC00:151 (05-02M 035-9497 C05-01B/ (05-05F) (05-08F) ($1301(05-018> (05-0221 0V 04 2400Ce FiS751V-40 3400C ISS355 ASIC ,PLL ,RECULATOR RESET ,NVRAM ,DEBUG CODE NAME 11 LJ8211-001 B512050CIR (2/9) I 12 4-52