Samsung ML-6050 Service Manual page 128

8-2. Controller Diagram(1/10)
A(0:23)
VCC LF4
FILTER_22NF
1 3
2 C191 C160 C9
0.1UF 0.1UF
33UF/16V
C16 C17 C18 C19 C20
0.1UF 0.1UF 0.1UF 0.1UF 0.1UF
D(0:31)
VCC
R44
10K
R42
470
C1
C6
33UF/16V
0.1UF
WTROUT
RESET*
TnRST
TDO
SYSCLK
CCLK*
CBSY*
CMSG*
EBSY*
EMSG*
PSYNRQ*
LSYNC*
READY*
PRINT*
VIDEO*
VCLK
Samsung Electronics
C51 18PF A(0)
C52 18PF
A(1)
C53 18PF A(2)
C54 18PF A(3)
C55 18PF
A(4) A(0)
C56 18PF A(5) RA13
A(1)
VCC_U1 C57
18PF A(6) A(2) RA33
C58 18PF A(7)
A(3)
C59 18PF A(8)
A(4)
C10 C11 C12 C13 C14 C15
C60 18PF A(9) RA14
A(5)
C61 18PF A(10) RA33
0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF A(6)
C62 18PF
A(11) A(7)
C63 18PF A(12)
A(8)
C64 18PF
A(13) A(9) RA10
C65 18PF A(14) RA33
A(10)
C21 C22 C23 C24 C25 C47
C66
18PF A(15) A(11)
C67
18PF A(16) A(12)
0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF
C68 18PF A(17) RA11
A(13)
C69 18PF
A(18) A(14) RA33
C70 18PF A(19)
A(15)
C71 18PF A(20) A(16)
C72 18PF A(21) RA9
A(17)
C73 18PF A(22) RA33
A(18)
C74 18PF A(23)
A(19)
A(20)
A(21) RA12
RA33
A(22)
A(23)
2
D(0)
VCC 4
D(1)
VCC RA1 6
D(2)
D(3) RA33 8
C7
2
D(4)
4
0.1UF R130 D(5)
RA2 6
R43 D(6)
1K
RA33 8
D(7)
10K
U30 2
D(8)
2 8 4
D(9)
_RIN VCC
1 7 U35-1 U35-2 6
D(10) RA3
REF SEN
3 5 1 2 3 4 RA33 8
D(11)
CT _RES
4 6 D(12) 2
GND RES
74F14 74F14 4
D(13)
7705A RA4 6
D(14)
RA33 8
D(15)
2
D(16)
4
D(17)
C161 RA5 6
D(18)
R45
RA33 8
D(19)
10K 10NF
2
D(20)
4
D(21)
6
D(22) RA6
RA33 8
D(23)
2
D(24)
4
2 1 D(25)
VCC RA7 6
D(26)
RA33 8
D(27)
U36-1
2
74F08 D(28)
C192
D(29) 4
3 RA8 6
0.1UF D(30)
D(31) RA33 8
VCC
R272
10K
R159 0
U36-2 U36-3 U36-4
4 9 13 U35-6
6 8 11 13 12
5 10 12
74F14
74F08 74F08 74F08
VCC_U1
2 1
40 nECS0 29
A0
4 3 41 A1 30
nECS1
6 5
42 31
A2 nECS2
8 7 43 A3 32
nECS3
2 1 44 nRCS0 69
A4
4 3 45 A5 72
nRCS1
6 5 47 73
A6 nRCS2
8 7
48 A7 74
nRCS3
2 1 49 nRAS0 122
A8
4 3
50 A9 123
nRAS1
6 5 51 124
A10 nRAS2
8 7
54 125
A11 nRAS3
2 1
55 126
A12 nRAS4
4 3 56 A13 nRAS5 127
6 5
57 116
A14 nCAS3
8 7 58 117
A15 nCAS2
2 1 59 nCAS1 118
A16
4 3 60 A17 121
nCAS0
6 5 63 nWE0 33
A18
8 7 64 34
A19 nWE1
2 1 65 35
A20 nWE2
4 3
66 A21 nWE3 36
6 5 67 114
A22 nDWE
8 7
68 115
A23 nDOE
UCLK 156
1 75
D0 RXD
3
76 D1 TXD 150
5 77
D2 DTR
7 78
D3 DSR
1 79
D4 SIO_RXD
3 81 D5 SIO_TXD 152
5 82 37
D6 nOE
7 83 198
D7 nBK0HW
1
84
D8 DA0
3 85 D9 DA1 129
5
86 DA2 130
D10
7 87
D11 DA3
1 89 DA4 132
D12
3
90 D13
DA5
5 91 U1
D14 DA6
7
92
D15 DA7
1 93
D16 DA8
3 94 D17 DA9 138
KS32C6100
5 96 DA10 139
D18
7 97
D19 DA11
1 98
D20 DA12
3 99 D21 nSELECT_IN 11
5
100 12
D22 nSTROBE
7 101 nAUTOFD 13
D23
1
102 14
D24 nINITIAL
3 106
D25 nACK
5 107 D26
BSY
7 108 D27 SELECT 17
1 109
D28 PERROR
3 110 D29 nFAULT 19
5 111
D30
7 112
D31
PPD0
195 nRESET
PPD1
196 TnRST PPD2 5
202
TDI PPD3
204
TMS PPD4
208 PPD5 8
TCK
203 TDO
PPD6
197 PPD7 10
TMODE
201 175
CLKSEL GPIO0
176
GPIO1
206 GPIO2 177
MCLK
178
GPIO3
GPIO4 179
180
GPIO5
181
GPIO6
GPIO7 182
GPIO8 185
GPIO9
158 COMCLK 187
GPIO10
160 GPIO11 188
CnPESY
161 CnPMSG 189
GPIO12
162 190
CnEBSY GPIO13
163 CnEMSG GPIO14 191
166 192
nENGPRQ GPIO15
169 nENGHSYNC EXMREQ 23
170
nCPUPSYNC EXMACK
171
nENGREADY EXTNWAIT
172 nCPUPRINT 28
nSC5
173 nSRD0 144
VIDEO_OUT
145
nSWR0
164 146
VCLK0 nSRD1
147
nSWR1
VCLK1 165
WTROUT 194
VCC
R46
10K
nRCS(0)
nRCS(2)
nRAS(0)
nRAS(2)
nRAS(3)
nCAS(3)
nCAS(2)
nCAS(1)
nCAS(0)
151 R153 33
R154 33
149
148
153
C75
128 DA(0) DA(0) 18PF
C76 18PF
DA(1) DA(1)
R290
C77
DA(2) DA(2) 18PF
0
131 C78
DA(3) DA(3) 18PF
DA(4) DA(4) C79 18PF
C80
133 DA(5) DA(5) 18PF
135 C81 18PF
DA(6) DA(6)
136 C82
DA(7) DA(7) 18PF
137 C83 18PF
DA(8) DA(8)
C84 18PF
DA(9) DA(9)
C85 18PF
DA(10) DA(10)
140
141
15
16
18
3
PPD(0)
4 PPD(1)
PPD(2)
6
PPD(3)
7 PPD(4)
PPD(5)
9
PPD(6)
PPD(7)
186
24
25
R142
C301
33
220PF
WTROUT
Schematic Diagrams
nECS0
nECS1
nRCS(0:2)
nRAS(0:5)
nCAS(0:3)
WE(0)
nDWE
RXD
TXD
OE*
DA(0:12)
PP_SELIN*
PP_STROBE*
PP_AUTOFD*
PP_INIT*
MC_ACK*
MC_BUSY
MC_SELECT
MC_PERROR
MC_FAULT*
PPD(0:7)
VBUS
PANEL_KEY
LED(4)
LED(1)
LED(2)
LED(3)
EIRQ0*
E2PROM_DO
DPO_RST*
E2PROM_DI
WR_FLASH
DEMO*
SEL_DEMO
EXITP*
E2PROM_CS
E2PROM_SK
8-7