Schematic Diagrams - Samsung ML-4600/XET Service Manual

Schematic Diagrams

10. Schematic Diagrams
10-1 Main Circuit Diagram(1/9)
D(0:31)
A(2:23)
ROMWE*
ROMRD*
nRCS(3)
nRCS(2)
nRCS(1)
nRCS(0)
DRAMOE*
DRAMWE*
nCAS(0:3)
nRAS(0:3)
EIRQ2*
DEMO*
IOCS4*
USB_RST*
IOCS1*
IOCS0*
BIAS_PWM
THV_PWM
MHV*
MOTOR_PB*
MOTOR_PB
MOTOR_A*
MOTOR_A
Samsung Electronics
DATA0
2
DATA1
3
DATA2
4
DATA3
6
DATA4
8
DATA5
9
DATA6
10
DATA7
11
DATA8
13
DATA9
15
DATA10
16
DATA11
17
DATA12
18
DATA13
20
DATA14
21
DATA15
22
D(16)
DATA16
23
D(17)
DATA17
25
D(18)
DATA18
26
D(19)
DATA19
27
D(20)
DATA20
28
D(21)
DATA21
30
D(22)
DATA22
32
D(23)
DATA23
33
D(24)
DATA24
35
D(25)
DATA25
37
D(26)
DATA26
38
D(27)
DATA27
40
D(28)
DATA28
42
D(29)
DATA29
43
D(30)
DATA30
44
D(31)
DATA31
A(2) RA11 39 202
ADDR2
203
A(3)
ADDR3
A(4) 204
ADDR4
A(5) 206
ADDR5
A(6) RA10 39 207
ADDR6
A(7) 208
ADDR7
210
A(8)
ADDR8
A(9) 211
ADDR9
A(10) RA9 39 213
ADDR10
A(11) 215
ADDR11
A(12) 216
ADDR12
A(13) 217
ADDR13
A(14) RA8 39 218
ADDR14
A(15) 220
ADDR15-CTOUT0
A(16) 221
ADDR16-CTOUT1
A(17) 222
ADDR17-CTOUT2
A(18) RA17 39 223
ADDR18-CTOUT3
A(19) 225
ADDR19-CTOUT4
A(20) 226
ADDR20-CTOUT5
227
A(21)
ADDR21-CTOUT6
R100
A(22) 228
ADDR22-CTOUT7
5.1K 230
A(23)
ADDR23-PTOUT
200
nROMWR
198
nROMRD
197
nROMCS3
196
nROMCS2
195
nROMCS1
193
nROMCS0
R134
10K
5V
F1
5V
STS104B
CPU_5V
3
C163
22uF
2
16V
U34
SPGPE
R90
1K
5V
C173
U3
F5
100uF
5V
MC33269DT
16V STS104B
3 3
IN
3.3V GND
2
U33
MC33269DT
61 3
AVREF IN
60
AVIN2
GND
58
R6 33
AVIN1
57
AVIN0
240
nRSTOUT
239
nRESET
235
MCLK THERM
237 0.68nF
C3
FILTER THVREAD
233
TM RESET*
232
TESTSE SYSCLK
238
CPUTEST
DA(0:11)
177 DA(0)
DRAMA0
DA(1)
178
DRAMA1
179 DA(2)
DRAMA2
DA(3)
180
DRAMA3
181 DA(4)
DRAMA4
183 DA(5)
DRAMA5
184 DA(6)
DRAMA6
185 DA(7)
DRAMA7
187 DA(8)
DRAMA8
189 DA(9)
DRAMA9
190 DA(10)
DRAMA10
191 DA(11)
DRAMA11
132 39 RA2 DRAMD(0)
DRAMD0
134 DRAMD(1)
DRAMD1
135 DRAMD(2)
DRAMD2
136 DRAMD(3)
DRAMD3
137 DRAMD(4)
39 RA1
DRAMD4
139 DRAMD(5)
DRAMD5
140 DRAMD(6)
DRAMD6
141 DRAMD(7)
DRAMD7
143 39 RA7 DRAMD(8)
DRAMD8
DRAMD(9)
145
DRAMD9
146 DRAMD(10)
DRAMD10
147 DRAMD(11)
DRAMD11
149 39 RA6 DRAMD(12)
DRAMD12
151 DRAMD(13)
DRAMD13
DRAMD(14)
152
DRAMD14
153 DRAMD(15)
DRAMD15
154 39 DRAMD(16)
DRAMD16 DRAMD(0:31)
156 RA5 DRAMD(17)
DRAMD17
158 DRAMD(18)
DRAMD18
159 DRAMD(19)
DRAMD19
160 39 RA4 DRAMD(20)
DRAMD20
161 DRAMD(21)
DRAMD21
163 DRAMD(22)
DRAMD22
165 DRAMD(23)
DRAMD23
166
39 DRAMD(24)
DRAMD24
167 RA3 DRAMD(25)
DRAMD25
168 DRAMD(26)
DRAMD26
5V
170 DRAMD(27)
DRAMD27
172 39 RA12 DRAMD(28)
DRAMD28
DRAMD(29)
173
DRAMD29
174 DRAMD(30)
DRAMD30
175 DRAMD(31) R34
DRAMD31
5.1K
90
TXD1 TXD
89
RXD1-CTIN2 RXD
105
IP7-nFSYNC FEED_SENSOR*
103
VCLK VCLK
107
OP8-nPRINT FUSER*
HSYNC*
VDO*
LREADY*
PP_STROBE*
PP_AUTOFD*
PP_INIT*
PP_SELIN*
MC_ACK*
MC_BUSY
MC_PERROR
MC_SELECT
MC_FAULT*
PPD(0:7)
2
OUT
2
OUT
10-1