Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Printer ML5100 ML-5100A
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LASER PRINTER
ML-5100A
SERVICE Manual
LASER PRINTER CONTENTS
1. Precautions
2. Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. Electrical Parts List
7. Schematic Diagrams
Schematic Diagrams
7-1 Controller 1/9
VCC
VCC_U1
A(0:23)
103
113
142
143
167
168
183
184
199
200
20
21
22
46
61
62
80
95
R46
10K
VDD1
VDD2
VDD3
VDD4
VDD5
VDD6
VDD7
VDD8
VDD9
VDD10
VDD11
VDD12
VDD13
VDD14
VDD15
VDD16
VDD17
VDD18
C51 18PF A(0) A(0) 40 29
A0 nECS0 nECS0
C52 18PF A(1) A(1) 41 30
A1 nECS1 nECS1
VCC LF4 VCC_U1 C53 18PF A(2) A(2) 42 31
A2 nECS2 nRCS(0:2)
FILTER_22NF C54 18PF A(3) A(3) 43 32
A3 nECS3
1 3 C55 18PF A(4) A(4) 44 69 nRCS(0)
2 C191 C160 C9 C10 C11 C12 C13 C14 C15 A4 nRCS0
C56 18PF A(5) A(5) 45 72
A5 nRCS1
C57 18PF A(6) A(6) 47 73 nRCS(2)
33UF/16V 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF A6 nRCS2 nRAS(0:5)
C58 18PF A(7) A(7) 48 74
A7 nRCS3
C59 18PF A(8) A(8) 49 122 nRAS(0)
A8 nRAS0
C60 18PF A(9) A(9) 50 123
A9 nRAS1 nCAS(0:3)
C61 18PF A(10) A(10) 51 124 nRAS(2)
C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C47 A10 nRAS2
C62 18PF A(11) A(11) 54 125 nRAS(3)
A11 nRAS3
0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF C63 18PF A(12) A(12) 55 126
A12 nRAS4
C64 18PF A(13) A(13) 56 127
A13 nRAS5
C65 18PF A(14) A(14) 57 116 nCAS(3)
A14 nCAS3
C66 18PF A(15) A(15) 58 117 nCAS(2)
A15 nCAS2
C67 18PF A(16) A(16) 59 118 nCAS(1)
A16 nCAS1
C68 18PF A(17) A(17) 60 121 nCAS(0)
A17 nCAS0
C69 18PF A(18) A(18) 63 33
A18 nWE0 WE(0)
C70 18PF A(19) A(19) 64 34
A19 nWE1
C71 18PF A(20) A(20) 65 35
A20 nWE2
C72 18PF A(21) A(21) 66 36
A21 nWE3
C73 18PF A(22) A(22) 67 114
A22 nDWE nDWE
C74 18PF A(23) A(23) 68 115
D(0:31) A23 nDOE
UCLK 156
D(0) R1 33 75 D0 RXD 151 R153 33 RXD
VCC VCC VCC D(1) R2 33 76 150 R154 33
D1 TXD TXD
D(2) R3 33 77 149
D2 DTR
D(3) R4 33 78 148
C7 D3 DSR
R44 D(4) R5 33 79 D4 SIO_RXD 153 OE*
0.1UF R130 D(5) R6 33 81 D5 SIO_TXD 152
10K 82 37
R43 1K D(6) R7 33 D6 nOE DA(0:12)
D(7) R8 33 83 198
10K D7 nBK0HW
U30 D(8) R9 33 84 D8 DA0 128 DA(0) DA(0) C75 18PF
2 8 D(9) R10 33 85 129 DA(1) DA(1) C76 18PF
_RIN VCC D9 DA1 R187
1 7 U35-1 U35-2 D(10) R11 33 86 130 DA(2) DA(2) C77 18PF
REF SEN D10 DA2 0
3 5 1 2 3 4 D(11) R12 33 87 131 DA(3) DA(3) C78 18PF
CT _RES D11 DA3
4
GND RES
6 D(12) R13 33 89 D12 DA4 132 DA(4) DA(4) C79 18PF
74F14 74F14 D(13) R14 33 90 133 DA(5) DA(5) C80 18PF
R42 D13 DA5
7705A D(14) R15 33 91 D14 U1 DA6 135 DA(6) DA(6) C81 18PF
470
D(15) R16 33 92
D15 DA7
136 DA(7) DA(7) C82 18PF
D(16) R17 33 93 D16 DA8 137 DA(8) DA(8) C83 18PF
D(17) R18 33 94 D17 KS32C6100 DA9 138 DA(9) DA(9) C84 18PF
C6
C1
R45
C161 D(18) R19 33 96 D18 DA10 139 DA(10) DA(10)C85 18PF
0.1UF 33UF/16V D(19) R20 33 97 140
10K 10NF D19 DA11
D(20) R21 33 98 141
D20 DA12
D(21) R22 33 99 D21 nSELECT_IN 11 PP_SELIN*
D(22) R23 33 100 D22 nSTROBE 12
PP_STROBE*
D(23) R24 33 101 D23 nAUTOFD 13
PP_AUTOFD*
D(24) R25 33 102 14
WTROUT D24 nINITIAL PP_INIT*
2 1 D(25) R26 33 106 D25 nACK 15 MC_ACK*
VCC D(26) R27 33 107 16
D26 BSY MC_BUSY
U36-1 D(27) R28 33 108 D27 SELECT 17
MC_SELECT
74F08 D(28) R29 33 109 18
C192 D28 PERROR MC_PERROR
D(29) R30 33 110 D29 nFAULT 19 MC_FAULT*
0.1UF 3 D(30) R31 33 111 D30
D(31) R32 33 112 D31 PPD(0:7)
3 PPD(0)
PPD0
RESET* 195 nRESET PPD1 4 PPD(1)
TnRST 196 TnRST PPD2 5 PPD(2)
VCC
202 TDI PPD3 6 PPD(3)
204 7 PPD(4)
TMS PPD4
208 TCK PPD5 8 PPD(5)
TDO 203 TDO PPD6 9 PPD(6)
197 TMODE PPD7 10 PPD(7)
201 175
CLKSEL GPIO0 VBUS
176
GPIO1 PANEL_KEY
SYSCLK 206 MCLK GPIO2 177 GPIO(2)
GPIO3 178
LED(1)
GPIO4 179
LED(2)
180
GPIO5 LED(3)
GPIO6 181 EIRQ0*
GPIO7 182
E2PROM_DO
GPIO8 185
DPO_RST*
186
GPIO9 E2PROM_DI
CCLK* 158 COMCLK GPIO10 187 WR_FLASH
CBSY* 160 CnPESY GPIO11 188 DEMO*
CMSG* 161 CnPMSG GPIO12 189
SEL_DEMO
162 190
EBSY* CnEBSY GPIO13 EXITP*
EMSG* 163 CnEMSG GPIO14 191 E2PROM_CS
PSYNRQ* 166 nENGPRQ GPIO15 192 E2PROM_SK
R159 0 169 23
LSYNC* nENGHSYNC EXMREQ
170 24
nCPUPSYNC EXMACK
171 25
READY* nENGREADY EXTNWAIT R142
PRINT* 172 nCPUPRINT nSC5 28 C301
173 144 33
VIDEO* VIDEO_OUT nSRD0 220PF
nSWR0 145
164 146
VCLK VCLK0 nSRD1
nSWR1 147
VCLK1 165
194
GND10
GND11
GND12
GND13
GND14
GND15
GND16
GND17
GND18
GND19
GND20
GND21
GND22
GND23
GND24
U36-2 U36-3 U36-4 WTROUT WTROUT
GND1
GND2
GND3
GND4
GND5
GND6
GND7
GND8
GND9
4 9 13 U35-6
6 8 11 13 12
5 10 12
1
2
26
27
38
39
52
53
70
71
88
104
105
119
120
134
154
155
157
159
174
193
205
207
74F14
74F08 74F08 74F08
7-2 Samsung Electronics
Schematic Diagrams
Controller 2/9
D(0:31)
DAA(0:10)
DA(0:12)
U3
DA(0) R66 10
DAA(0) DAA(0) 17
A0 DQ1
2 D(0)
DA(1) R67 10
DAA(1) DAA(1) 18
A1 DQ2
3 D(1)
DA(2) R68 10
DAA(2) DAA(2) 19
A2 DQ3
4 D(2)
DA(3) R69 10
DAA(3) DAA(3) 20
A3 DQ4
5 D(3)
DA(4) R70 10
DAA(4) DAA(4) 23
A4 DQ5
7 D(4)
DA(5) R71 10
DAA(5) DAA(5) 24
A5 DQ6
8 D(5)
DA(6) R72 10
DAA(6) DAA(6) 25
A6 DQ7
9 D(6)
DA(7) R73 10
DAA(7) DAA(7) 26
A7 DQ8
10 D(7)
DA(8) R74 10
DAA(8) DAA(8) 27
A8 DQ9
33 D(8)
DA(9) R75 10
DAA(9) DAA(9) 28
A9 DQ10
34 D(9) J7
DA(10)R76 10
DAA(10) 35 D(10) DAA(0) 12 2 D(0)
DQ11 A0 DQ0
16 36 D(11) DAA(1) 13 4 D(1)
NC1 DQ12 A1 DQ1
15 38 D(12) DAA(2) 14 6 D(2)
NC2 DQ13 A2 DQ2
39 D(13) DAA(3) 15 8 D(3)
DQ14 A3 DQ3
40 D(14) DAA(4) 16 20 D(4)
DQ15 A4 DQ4
41 D(15) DAA(5) 17 22 D(5)
DQ16 A5 DQ5
14 DAA(6) 18 24 D(6)
RAS(0) RAS* A6 DQ6
30 VCC DAA(7) 28 26 D(7)
CAS(1) UCAS* A7 DQ7
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