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Model
UF-490
Pages
85
Size
5.5 MB
Type
PDF
Document
Service Manual / Other
Brand
Device
Fax / LASER
File
uf-490.pdf
Date
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Panasonic UF-490 Service Manual / Other ▷ View online

37
2.2.
SC PC Board
4
3
2
1
D
C
B
A
1
2
3
4
Drawing Name
SC PC Board (1/10)
Model
UF-490
25V
0.1uF
C11
nRD
002:D1;003:A3;004:B2;006:E4
nWRU_DQMU
002:A3;003:A1
+24LVL
008:B2
GND
nPRTINT
002:D4
GND
nHLDAK
002:A3
nMDMRST
004:D2;005:D4
25V
0.1uF
C9
+3.3V
GND
GND
nSCNINT
002:A4
nRESOUT
002:A4
nWRL_DQML
002:A3;003:A1;003:A3
GND
nFRPRST
006:E4
nFROM0
003:A3
nPWOFF
007:C4
nPCINT
002:D3
nSDRM0
002:D1;003:A1
SYSCLK
002:A3
nHLDRQ
002:A3
nBZHIGH
004:B4
nWE
002:A4;003:A1
25V
0.1uF
C12
25V
0.1uF
C10
pCR1
007:B3
25V
0.1uF
C14
THERM
010:A3
pMVOL1 004:A3
nSYSINT
002:A3
nADF1
010:C5
pMVOL0 004:A3
nMDMINT
004:B2
pPNLRST
007:C4
25V
0.1uF
C13
GND
PNLTXD
007:C3
PNLRXD
007:C3
nRSEN
010:C4
nESEN
010:C5
TL7
TL8
TL9
TL10
TL11
TL12
+3.3V
TL15
GND
MA704
D1
3
1
+3.3V
1K
62.5mW
R1
GND
TL1
pCR0
007:B4
pTR0
007:B3
0
62.5mW
R15
+3.3V
nI_O1
002:D1
nI_O2
002:D1
D[15-0]
002:A1;003:D1;004:B1;006:E3
A[23-1]
002:D1;003:A1;004:B1;006:E3
SDCLK
002:A3;003:A1
nSDRAS
002:A4;003:A1
nSDCAS
002:A4;003:A1
SDCKE
003:A1
nRESET
003:A3
GND
uPD703105GJ
IC1
D15/PDL15
144
PAL0/A0
143
PAL1/A1
142
PAL2/A2
141
PAL3/A3
140
PAL4/A4
139
PAL5/A5
138
PAL6/A6
137
PAL7/A7
136
VSS
135
VDD
134
PAL8/A8
133
PAL9/A9
132
PAL10/A10
131
PAL1
1/A1
1
130
PAL12/A12
129
PAL13/A13
128
PAL14/A14
127
PAL15/A15
126
VSS
125
VDD
124
PAH0/A16
123
PAH1/A17
122
PAH2/A18
121
PAH3/A19
120
PAH4/A20
11
9
PAH5/A21
11
8
PAH6/A22
11
7
PAH7/A23
11
6
PAH8/A24
11
5
PAH9/A25
11
4
VSS
11
3
VDD
11
2
PCD0/SDCKE
111
PCD1/SDCLK
11
0
PCD2/*LBE/*SDCAS
109
PCD3/*UBE/*SDRAS
108
PCS0/*CS0
107
PCS1/*CS1/*RAS1
106
PCS2/*CS2/*IOWR
105
PCS3/*CS3/*RAS3
104
PCS4/*CS4/*RAS4
103
PCS5/*CS5/*IORD
102
PCS6/*CS6/*RAS6
101
PCS7/*CS7
100
VSS
99
VDD
98
PCT0/*LCAS/*LWR/LDQM
97
PCT1/*UCAS/*UWR/UDQM
96
PCT4/*RD
95
PCT5/*WE
94
PCT6/*OE
93
PCT7/*BCYST
92
PCM0/*WAIT
91
PCM1/CLKOUT/BUSCLK
90
PCM2/*HLDAK
89
PCM3/*HLDRQ
88
PCM4/*REFRQ
87
PCM5/SELFREF
86
P50/INTP030/TI030
85
P51/INTP031
84
P52/TO03
83
VSS
82
VDD
81
P70/ANI0
80
P71/ANI1
79
P72/ANI2
78
P73/ANI3
77
P74/ANI4
76
P75/ANI5
75
P76/ANI6
74
P77/ANI7
73
AVSS
72
AVDD/A
VREF
71
TXD0/SO0/P40
70
RXD0/SI0/P41
69
*SCK0/P42
68
TXD1/SO1/P43
67
RXD1/SI1/P44
66
*SCK1/P45
65
CVSS
64
X1
63
X2
62
CVDD
61
CKSEL
60
*RESET
59
MODE0
58
MODE1
57
SO2/INTP130/P30
56
SI2/INTP131/P31
55
*SCK2/INTP132/P32
54
TXD2/INTP133/P33
53
RXD2/INTP120/P34
52
INTP121/P35
51
INTP122/P36
50
ADTRG/INTP123/P37
49
VSS
48
VDD
47
NMI/P20
46
TI020/INTP020/P21
45
INTP021/P22
44
TO02/P23
43
*TC0/INTP1
10/P24
42
*TC1/INTP1
11/P25
41
*TC2/INTP1
12/P26
40
*TC3/INTP1
13/P27
39
VSS
38
VDD
37
PWM1/P10
36
TI010/INTP010/P11
35
INTP011/P12
34
TO01/P13
33
*DMAAK0/PBD0
32
*DMAAK1/PBD1
31
*DMAAK2/PBD2
30
*DMAAK3/PBD3
29
VSS
28
VDD
27
PWM0/P00
26
TI000/INTP000/P01
25
INTP001/P02
24
TO00/P03
23
*DMARQ0/INTP100/P04
22
*DMARQ1/INTP101/P05
21
*DMARQ2/INTP102/P06
20
*DMARQ3/INTP103/P07
19
MODE2_VPP/MODE2
18
D0/PDL0
17
D1/PDL1
16
D2/PDL2
15
D3/PDL3
14
D4/PDL4
13
D5/PDL5
12
D6/PDL6
11
D7/PDL7
10
VSS
9
VDD
8
D8/PDL8
7
D9/PDL9
6
D10/PDL10
5
D11/PDL11
4
D12/PDL12
3
D13/PDL13
2
D14/PDL14
1
TL70
+3.3V
+3.3V
GND
10
62.5mW
R6
10
62.5mW
R9
10
62.5mW
R54
pMVOL2 004:A3
nMNTON
004:A3
47K
62.5mW
R66
KHS02C
DSW1
1
2
4
3
47K 62.5mW
R12
47K 62.5mW
R13
47K 62.5mW
R179
47K
62.5mW
R2
47K
62.5mW
R3
47K
62.5mW
R4
47K
62.5mW
R5
47K
62.5mW
R10
47K
62.5mW
R1
1
47K
62.5mW
R63
47K
62.5mW
R14
47K 62.5mW
R62
GND
47K
62.5mW
R248
nPCHK1
009:B4
TONER
009:B3
47K 62.5mW
R52
47K 62.5mW
R135
47K 62.5mW
R140
47K 62.5mW
R180
47K 62.5mW
R210
GND
47K
62.5mW
R242
47K
62.5mW
R243
47K
62.5mW
R245
47K
62.5mW
R244
47K
62.5mW
R247
47K
62.5mW
R246
47K
62.5mW
R250
47K
62.5mW
R249
+3.3V
47K
62.5mW
R240
47K
62.5mW
R241
CN1
1
CN1
2
CN1
3
CN1
4
CN1
5
CN1
6
CN1
7
62.5mW
47K
R253
+3.3V
GND
TL14
50.0V
27pF
C2
BLM11A121S
NF2
pUSBENB
009:C3
nBPNT
002:D4;007:C4
pFAN0
010:C3
pFAN1
010:C3
nFNRDT
010:C3
10
62.5mW
R31
47K
0.0625W
R27
47K
0.0625W
R29
+3.3V
47K 0.0625W
R7
47K 0.0625W
R8
10
0.0625W
R33
10
0.0625W
R34
10
0.0625W
R36
10
0.0625W
R44
BLM1
1A601S
NF30
BLM1
1A601S
NF31
BLM1
1A601S
NF32
BLM1
1A601S
NF33
BLM1
1A601S
NF34
10
62.5mW
R288
10
62.5mW
R289
10
62.5mW
R290
10
62.5mW
R291
10
62.5mW
R292
10
62.5mW
R293
10
62.5mW
R294
10
62.5mW
R295
10
62.5mW
R296
10
62.5mW
R297
10
62.5mW
R298
10
62.5mW
R299
10
62.5mW
R300
10
62.5mW
R301
5.000MHz
AT-49-5.000MHz
X1
1
2
47K
62.5mW
R302
GND
50.0V
27pF
C3
330
0.0625W
R238
1K
0.0625W
R303
25.0V
0.1uF
C202
16.0V
22.0uF
C15
21
50.0V
0.022uF
C1
A[20]
A[19]
A[18]
A[12]
A[5]
A[1]
Vpp
SDCLK
A[23-1]
nSDRAS
nSDCAS
SDCKE
A[2]
A[3]
A[4]
A[13]
A[14]
A[15]
A[16]
A[17]
A[8]
A[1
1]
A[10]
A[7]
A[9]
A[6]
nRESET
DBGTXD
DBGCLK
DBGRXD
nBOOT
D[15]
D[14]
D[13]
D[12]
D[11]
D[10]
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
A[22]
A[21]
A[23]
uPD703105GJ (Mask)
uPD70F3107GJ-UEN (Flash)
CPU
V850E/MA1
144-Pin
Serial I/F
1-4 PIN
2-3 PIN
Program Mode
DIP Switch 1
CKSEL=0:
PLL MODE
5.000MHz*10
50.000MHz
50.000MHz
BOOT GND
*1
Normal Mode
Off
Off
On
On
TXD
RXD
CLK
GND
RESET
Vpp
7.8V
*1 : Mounted at the Technical Trial Production.
*1
*1
# : Not Mounted
*2 : Mounted when DSW1 is Not Mounted.
*2
B7B-PH-K-S
(nCCHK2)
(nPDCR2)
16 bit Data Bus
Address Bus
Bus
Control
FROM
SDRAM
System Clock 50MHz to SHINE
Energy Saver
Panel Reset
Modem Reset
Frip Reset
Report
Output
I/O Port
DC FAN
Control
Panel I/F
High Voltage Control
Monitor Speaker Volume
I/O Port
I/O Port
Interrupt
Control
I/O 
Port
Serial comm.
Reset
5.00MHz
50MHz
SDRAM Clock
Master
Clock
Buzzer 
Volume
B Point
Sensor
Monitor
ON
PRINTING
MODEM
SCANNING
PC I/F
SYSTEM
I/O Port
SDRAM
Control
CPU included Boot ROM
3.3V
0V
3.3V
0V
5.0V
0V
3.3V
0V
3V
0V
38
4
3
2
1
D
C
B
A
1
2
3
4
Drawing Name
SC PC Board (2/10)
Model
UF-490
GND
SYSCLK
001:D2
nHLDAK
001:D2
nUBE
004:B2
SDCLK
001:A1;003:A1
nWRU_DQMU
001:D2;003:A1
nWRL_DQML
001:D2;003:A1;003:A3
nLBE
004:B2
nHLDRQ
001:D2
nSYSINT
001:A4
nRESOUT
001:D3
nWE
001:D2;003:A1
nSDCAS
001:A1;003:A1
nSDRAS
001:A1;003:A1
nVSDA
006:E5
nVSEN
006:E5
nVSCK
006:E5
nMOE
006:E3
nSYNC
006:E1
nVREQ
006:E5
pMCLKI
006:E1
nBPNT
001:A4;007:C4
pSSRA
010:A3
DRCK
007:B4
nCTON
005:D3;007:D1
nPCINT
001:A4
pBUSOUT
009:A1
nFAULT
009:A2
pSELECT 009:A2
nACK
009:A2
pPERR
009:A2
nSTRBE
009:A2
pBUSY
009:A2
nAUTFD
009:A2
nSELIN
009:A2
BOFST0 006:A4
BOFST3 006:A4
BOFST4 006:A4
BOFST1 006:A4
BOFST2 006:A4
pMPOW
008:A3
A[23-1]
001:A1;003:A1;004:B1;006:E3
nWR
004:B2;006:E4
GND
+3.3V
25V 0.1uF
C25
+5V
LM1117MPX-2.5
IC4
2
OUT
3
IN
1
GND
4
VOUT
GND
+2.5V
1K
62.5mW
R18
GND
25V
0.1uF
C16
+3.3V
GND
DATA[8-1]
009:A1
TL17
TL18
TL19
TL21
D[15-0]
001:A2;003:D1;004:B1;006:E3
nFRIP
006:E4
nMODEM
004:B2
TL23
TL24
25V 0.1uF
C22
25V 0.1uF
C26
25V 0.1uF
C24
25V 0.1uF
C23
25V 0.1uF
C28
25V 0.1uF
C27
GND
25V
0.1uF
C39
25V
0.1uF
C38
25V
0.1uF
C36
25V
0.1uF
C35
GND
20K
62.5mW
R37
75
62.5mW
R38
GND
GND
+3.3V
+3.3V
nRD
001:D2;003:A3;004:B2;006:E4
nSDRM0
001:D2;003:A1
FR
006:E1
CISCLK
006:E1
pLEDON
006:B1
pSTAMP
010:C2
pCMLD
005:A2
nHKOF
007:D1
25V
0.1uF
C34
pPMON
008:C2
pS_H
008:C3
pVDO
008:C3
nPMCK
008:C1
nPMRY
008:C2
pHSYNC
008:C4
pLDON
008:C3
+3.3V
50V
0.01uF
C31
50V
0.01uF
C32
TL26
TL25
TL27
TL28
nPRTINT
001:A4
nSCNINT
001:A4
1M
62.5mW
R30
1M
62.5mW
R32
nI_O2
001:D2
nI_O1
001:D2
TL20
TL22
TDB
010:A2
INB
010:A1
TDA
010:A2
INA
010:A1
TL29
TL30
TL31
nINIT
009:A2
+3.3V
VGSD[0-7]
006:E4
+3.3V
+3.3V
DZAC000273
IC3
13
MMP3
12
MMP2
11
MMP1/MMON
10
MMP0/*MMRDY
31
*ZCRS
19
VDO/LDCTL
20
S/H
127
VREQ
138
*VSDA
139
*VSEN
137
*VSCK
135
*SYNC
149
VGSD0/ID3
148
VGSD1/ID2
147
VGSD2/ID1
146
VGSD3/ID0
145
VGSD4/*DACK0
144
VGSD5/*DACK1
142
VGSD6/DREQ0
155
*INIT
199
VSS
186
VSS
162
BOFST4/ID8
182
VSS
174
VSS
100
DIR0
101
DIR1
129
*PWRDWN
53
CVDD(2.5V)
106
CVDD(2.5V)
134
FR
68
A22
67
A21
60
A9
59
A8
56
A7
55
A6
54
A5
51
A4
50
A3
49
A2
48
A1
93
D4
173
PT6/ID15
16
CPOUT1(PWM)
69
A23
77
SDCLK
98
D1
172
PT5/ID14
17
VCOIN1(PWM)
103
SYSCLK
122
MCLK
64
A18
40
*IO0
63
A12
62
A1
1
61
A10
194
DBTIR
191
PHBR
188
IOAR0
45
*IO5
35
*UBE
41
*IO1
91
D6
136
MACK/*MOE
85
D10
39
*RESOUT
163
*HSYNC
141
CKVG/DREQ1
84
D11
83
D12
82
D13
46
*IO6
81
D14
80
D15
36
*WR
34
*LBE
203
DATA8
207
PERR
202
DATA7
66
A20
4
*ACK
65
A19
96
D3
2
CVDD(2.5V)
42
*IO2
47
*IO7
32
*RESET
178
PLLGND
99
D0
43
*IO3
115
SCANENB
88
D9
171
PT4/ID13
160
BOFST2/ID6
89
D8
44
*IO4
157
CVDD(2.5V)
181
PLLVDD(2.5V)
92
D5
158
BOFST0/ID4
159
BOFST1/ID5
5
BUSY
124
*LEDON
154
CLK48
164
SCNCLK
180
VCOIN0(SYNC)
179
CPOUT0(SYNC)
11
7
*SCNINT
123
TST0
97
D2
128
TST1
107
*WRL/*DQML
125
RS/RB/*CISCLK
18
PLLVDD(2.5V)
126
*SHB
161
BOFST3/ID7
167
PT0/ID9
37
*HLDRQ
108
*WRU/*DQMU
204
*SELIN
205
*AUTFD
206
*STRBE
169
PT2/ID11
201
DATA6
168
PT1/ID10
200
DATA5
198
DATA4
90
D7
116
*SYSINT
197
DATA3
76
*HLDAK
196
DATA2
195
DATA1
170
PT3/ID12
30
*PMR
Y
*CS1
111
*CS4
109
*CS3
74
*CS5
73
*CS6
72
*CS7
71
*RD
75
112
*SDRAS
113
*SDCAS
PLLGND
15
114
*WE
6
*FAULT
8
SELECT
9
BUSOUT
119
*PCINT
193
IOBR1
192
IOBR0
190
DA
TIR
189
IOAR1
187
PHAR
140
*CTON
23
PMON
21
*PMCK
29
DRCK/HVBCNT
28
SSR
24
LDON
11
8
*PR
TINT
184
XOUT0
183
XIN0
176
XOUT1
175
XIN1
1
VDD3
7
VDD3
22
VDD3
33
VDD3
52
VDD3
57
VDD3
70
VDD3
86
VDD3
94
VDD3
104
VDD3
105
VDD3
121
VDD3
143
VDD3
150
VDD3
156
VDD3
166
VDD3
177
VDD3
185
VDD3
208
VDD3
3
VSS
14
VSS
25
CVSS
26
VSS
27
VSS
38
VSS
58
VSS
78
CVSS
79
VSS
87
VSS
95
VSS
102
VSS
11
0
VSS
120
VSS
130
VSS
131
VSS
132
CVSS
153
VSS
165
VSS
133
*BPNT
DM
152
DP
151
25V 0.1uF
C21
25V
0.1uF
C18
47K
62.5mW
R17
47K
62.5mW
R19
47K
62.5mW
R20
47K 62.5mW
R28
47K
62.5mW
R23
47K
62.5mW
R25
47K
62.5mW
R26
47K
62.5mW
R46
47K
62.5mW
R49
47K
62.5mW
R183
47K
62.5mW
R53
47K
62.5mW
R42
47K
62.5mW
R40
47K
62.5mW
R39
25V
0.1uF
C6
MREF
010:A2
TL3
MA786
D21
3
1
MA786
D16
3
1
+3.3V
47K
62.5mW
R251
R3112Q29C
IC2
2
GND
1
VDD
3
CD
4
OUT
50V
0.01uF
C17
TSENCONT 009:B3
nPLSD
005:D3
GND
GND
GND
TC7SU04FU
IC10
4
1
2
3
5
1M
62.5mW
R277
0
0.0625W
R281
AT
-49-48.000MHz
X5
48.000MHz
12
25.0V
1000pF
C77
GND
+3.3V
25V
0.1uF
C65
SCANENB
009:C4
DP
009:C4
DM
009:C4
7.5
0.0625W
R51
5.1K
0.0625W
R48
BLM1
1A601S
NF1
BLM1
1A601S
NF10
BLM1
1A601S
NF1
1
BLM1
1A601S
NF12
BLM1
1A601S
NF13
BLM1
1A601S
NF14
BLM1
1A601S
NF15
BLM1
1A601S
NF16
BLM11A601S
NF17
BLM11A601S
NF18
BLM11A601S
NF19
BLM11A601S
NF20
BLM11A601S
NF21
BLM11A601S
NF22
100
0.0625W
R45
7.235MHz
AT-49-7.2354MHz
X3 12
10.923MHz
AT
-49-10.923MHz
X2
1
2
47K
62.5mW
R307
GND
47K
62.5mW
R308
47K
62.5mW
R309
GND
50.0V
18pF
C30
50.0V
18pF
C29
2.2K 0.0625W
R275
50.0V
18pF
C19
50.0V
18pF
C20
1K 0.0625W
R276
50.0V
3pF
C80
50.0V
3pF
C154
LAL02VD1R0K
L9
16.0V
22.0uF
C37
21
16.0V
22.0uF
C33
21
D[15]
D[14]
D[13]
D[12]
D[11]
D[10]
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
A[23-1]
A[23]
A[22]
A[21]
A[20]
A[19]
A[18]
A[12]
A[1
1]
A[10]
A[9]
A[8]
A[7]
A[6]
A[5]
A[4]
A[3]
A[2]
A[1]
DATA[6]
DATA[3]
DATA[2]
DATA[4]
DATA[5]
DATA[1]
DATA[8]
DATA[7]
VGSD[0-7]
VGSD[6]
VGSD[5]
VGSD[4]
VGSD[3]
VGSD[2]
VGSD[1]
VGSD[0]
VGSD[7]
SHINE
Motor
Reset IC OUT
ASIC *RESOUT
nRESOUT
L
L
L
L
L
X
L
H
L
H
L
L
H
H
H
(CPU *Reset)
(ASIC *Reset)
td=0.69*6.5M*C17
=44.9mS
(System Handling and Image Navigation Engine)
for 600dpi
for 16dot*15.4line
7.2354MHz
10.923MHz
#
#
#
#
#
#
#
#
#
3.3V
0V
3.3V
0V
CIS LED ON
Three Terminal
Regulator
for 2.5V
CIS black shading data
PC I/F Interrupt
Horizontal Sync
Printer LSU Control
Polygon Motor defect
Video Signal
Laser Power adjust
Polygon Motor ON/OFF
Polygon Motor clock
Heater Lamp ON/OFF
Laser Diod ON
Printer Interrupt
Scan I/F
Motor Control
SDRAM Control
Reset Control
SYSTEM interrupt
Bus Control
Chip Select Out
Data Bus
Clock
Scan
interface
Chip Selection
Address Bus
I/O Port
CIS black shading
Centronics Data Bus
Centronics Control
39
4
3
2
1
D
C
B
A
1
2
3
4
Drawing Name
SC PC Board (3/10)
Model
UF-490
nFROM0
001:D2
GND
+3.3V
+3.3V
nSDRAS
001:A1;002:A4
25V
0.1uF
C42
HY57V651620BL
TC-10
IC6
DQ0
2
DQ1
4
DQ2
5
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQML
15
*WE
16
*CAS
17
*RAS
18
*CS
19
A0
23
A1
24
A2
25
A3
26
A10/AP
22
A12/BA1
21
A13/BA0
20
VDD
1
VDD
14
VDD
27
VDDQ
3
VDDQ
9
VDDQ
43
VDDQ
49
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
A11
35
NC
36
CKE
37
CLK
38
DQMU
39
NC
40
DQ8
42
DQ9
44
DQ10
45
DQ11
47
DQ12
48
DQ13
50
DQ14
51
DQ15
53
VSS
28
VSS
41
VSS
54
VSSQ
6
VSSQ
12
VSSQ
46
VSSQ
52
GND
25V
0.1uF
C43
0
62.5mW
R58
nSDCAS
001:A1;002:A4
GND
D[15-0]
001:A2;002:A1;004:B1;006:E3
0
62.5mW
R59
nWRL_DQML
001:D2;002:A3;003:A3
nWE
001:D2;002:A4
0
62.5mW
R57
+3.3V
1K
62.5mW
R55
nWRU_DQMU
001:D2;002:A3
GND
nSDRM0
001:D2;002:D1
nRESET
001:A3
25V
0.1uF
C41
A[23-1]
001:A1;002:D1;004:B1;006:E3
nWRL_DQML
001:D2;002:A3;003:A1
nRD
001:D2;002:D1;004:B2;006:E4
25V
0.1uF
C44
SDCLK
001:A1;002:A3
SDCKE
001:A1
0
62.5mW
R56
0
62.5mW
R252
+3.3V
MBM29DL161TD-90PFTN
90.0ns
IC5
45
DQ15/A-1
43
DQ14
41
DQ13
39
DQ12
36
DQ11
34
DQ10
11
*WE
32
DQ9
23
A2
16
A18
42
DQ6
7
A9
10
NC
46
GND
27
GND
15
RY/*BY
35
DQ3
1
A15
19
A6
13
NC
29
DQ0
4
A12
22
A3
14
*WP/ACC
44
DQ7
9
A19
38
DQ4
48
A16
18
A7
6
A10
3
A13
31
DQ1
21
A4
30
DQ8
24
A1
17
A17
40
DQ5
8
A8
37
VCC
47
*BYTE
5
A11
2
A14
33
DQ2
20
A5
26
*CE
12
*RESET
28
*OE
25
A0
BLM11A601S
NF23
BLM11A601S
NF25
BLM11A601S
NF24
RA4
56
34
89
10
7
21
GND
GND
RA5
56
34
89
10
7
2
1
GND
GND
RA6
56
34
89
10
7
2
1
RA7
56
34
89
10
7
21
GND
GND
GND
GND
GND
BLM11A601S
NF35
+3.3V
100K
0.0625W
R264
100K
0.0625W
R270
100K
0.0625W
R282
100K
0.0625W
R283
100K
0.0625W
R284
100K
0.0625W
R285
100K
0.0625W
R286
100K
0.0625W
R287
50.0V
0.022uF
C40
A[15]
A[14]
A[17]
D[15-0]
D[2]
A[4]
A[12]
D[3]
A[11]
A[23]
A[3]
A[2]
A[8]
A[21]
A[8]
A[5]
A[7]
A[10]
A[9]
A[6]
A[10]
A[1]
A[9]
D[0]
D[6]
A[2]
A[1]
A[3]
D[7]
A[16]
A[19]
A[11]
A[18]
D[4]
A[20]
D[5]
A[4]
A[12]
A[23-1]
D[1]
A[6]
A[13]
A[5]
A[7]
A[22]
A[21]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
D[15]
D[14]
D[13]
D[12]
D[8]
D[9]
D[10]
D[11]
D[8]
D[9]
D[10]
D[11]
D[12]
D[13]
D[14]
D[15]
BANK1
1
R59
R57
1
128Mbit
1 : table1
FROM 16M
64Mbit
R56
64Mbit
SDRAM
R58
A21
1
BANK0
PROGRAM
1
128Mbit
A22
SDRAM 64M
IMAGE WORK AREA
A22
A23
1
# Not Mounted--
Mounted
32Mbit
R252
16Mbit
Not Mounted
#
Data Bus
SDRAM
Address Bus
FROM
40
4
3
2
1
D
C
B
A
1
2
3
4
Drawing Name
SC PC Board (4/10)
Model
UF-490
2SD1992A
340
Q9
2
1
3
62.5mW
100K
R80
25V
0.047uF
C57
AGND
2SB1321A
340
Q8
2
1
3
62.5mW
6.8K
R81
AGND
62.5mW
220K
R79
AGND
25V
0.022uF
C58
62.5mW
2.2K
R75
62.5mW
10K
R78
AGND
62.5mW
47K
R83
-5VA
+5VA
BA4558F
IC7
5
+
7
6
-
nBZHIGH
001:A4
+5V
CN2
2
DTC114EKA
Q7
3
1
2
62.5mW
1K
R87
pMVOL0
001:C3
pMVOL1
001:C3
62.5mW
10K
R88
AGND
-5VA
62.5mW
2.2K
R72
pBZCLK
007:C4
50V
2200pF
C56
CN2
1
AGND
62.5mW
33K
R82
62.5mW
6.8K
R77
25V
0.1uF
C55
GND
62.5mW
100K
R70
62.5mW
6.8K
R73
62.5mW
330K
R71
62.5mW
470K
R74
AGND
10V
1uF
C48
50V
1uF
C51
21
AGND
AGND
+5VA
62.5mW
150K
R67
62.5mW
100K
R60
AOUT
005:D4
50V
6800pF
C49
50V
100pF
C50
2SC2412K
560
Q4
3
1
2
2SC2412K
560
Q6 3
1
2
62.5mW
47K
R64
62.5mW
1K
R65
MA152A
D2
13
62.5mW
100K
R68
AGND
+5VA
BA4558F
IC7
3
+
1
2
-
-5VA
+5VA
25V
0.1uF
C52
BA4558F
IC7
V-
4
V+
8
25V
0.1uF
C53
AGND
AGND
AGND
25V
0.1uF
C47
62.5mW
10
R61
AGND
+5VA
+3.3V
25V
0.1uF
C54
+5V
+1.8V
nWR
002:A3;006:E4
GND
25V
0.1uF
C70
GND
TL33
+3.3V
TL34
nMDMINT
001:A4
nMDMRST
001:D3;005:D4
25V
0.1uF
C69
DAACLK
005:D3
ASPCLK
005:D3
16V
47uF
C67
2
1
ABITCLK
005:D3
ATXD
005:D3
GND
nMODEM
002:A2
TP3
DAARST
005:D4
+3.3V
MN195006
IC9
AVSS
35
VSS
99
VSS
89
VSS
80
VSS
70
VSS
64
VSS
56
VSS
47
VSS
40
VSS
32
VSS
23
VSS
17
VSS
11
VSS
5
AVDD
34
VDD2
97
VDD2
86
VDD2
62
VDD2
42
VDD2
21
VDD2
9
REGOUT2
53
REGOUT1
52
VDD3
92
VDD3
78
VDD3
68
VDDREG
55
VDDREG
54
VDD3
44
VDD3
30
VDD3
15
VDD3
3
GPIO5/A17
83
GPIO4/A16
82
GPIO3/A15
81
GPIO2/A14
79
GPIO1/A13
77
GPIO0/A12
76
BRXD
67
BTXD
69
BSPCLK
66
BBITCLK
65
ARXD
61
ATXD
63
ASPCLK
60
ABITCLK
59
EYEDAT
58
EYECLK
57
*RESET
41
MODE1
50
MODE0
49
INTEST
48
MINTEST
46
SCANNT
45
LON
51
CNT
37
CLKOUT
43
CXOUT
38
CXIN
39
TDO
28
TDI
29
TCK
31
TMS
33
PLLON
36
DBGMOD
27
*DBGREQ
26
DPD15/D15
25
DPD14/D14
24
DPD13/D13
22
DPD12/D12
20
DPD11/D11
19
DPD10/D10
18
DPD09/D09
16
DPD08/D08
14
DPD07/D07
13
DPD06/D06
12
DPD05/D05
10
DPD04/D04
8
DPD03/D03
7
DPD02/D02
6
DPD01/D01
4
DPD00/D00
2
DPA11/A11
100
DPA10/A10
98
DPA09/A09
96
DPA08/A08
95
DPA07/A07
94
DPA06/A06
93
DPA05/A05
91
DPA04/A04
90
DPA03/A03
88
DPA02/A02
87
DPA01/A01
85
DPA00
84
*UB
71
*LB
72
*DPWR/*WR
73
*DPRD/*RD
74
*DPCS/*CS
75
T3IRQ/*IRQ
1
+3.3V
GND
25V
0.1uF
C66
GND
25V
0.1uF
C68
nUBE
002:A3
TL32
ARXD
005:D3
nRD
001:D2;002:D1;003:A3;006:E4
TP2
+3.3V
D[15-0]
001:A2;002:A1;003:D1;006:E3
nLBE
002:A3
A[23-1]
001:A1;002:D1;003:A1;006:E3
25V
0.1uF
C64
25V
0.1uF
C63
25V
0.1uF
C61
25V
0.1uF
C60
25V
0.1uF
C59
pMVOL2
001:C3
nMNTON
001:A4
50V
2200pF
C45
AGND
AGND
62.5mW
10
R201
-5V
-5VA
25V
0.1uF
C5
62.5mW
10
R206
1K
62.5mW
R254
GND
47K
62.5mW
R90
47K
62.5mW
R91
47K
62.5mW
R207
47K
62.5mW
R208
47K
62.5mW
R93
47K
62.5mW
R94
47K 62.5mW
R89
47K 62.5mW
R95
GND
3.3K
62.5mW
R76
+3.3VA
BLM11A601S
NF8
47K 62.5mW
R16
47K 62.5mW
R47
47K 62.5mW
R84
47K 62.5mW
R85
-5VA
TC74HC4053AF
IC8
4
Z
10
B
2
Y0
11
A[0]
7
VEE
12
X0
15
Y
6
*G3
1
Y1
9
C
14
X
5
Z0
3
Z1
13
X1
TC74HC4053AF
IC8
GND
8
VCC
16
25V
0.1uF
C182
47K
62.5mW
R35
+3.3V
47K 62.5mW
R50
GND
50.0V
5pF
C73
50.0V
8pF
C72
BLM1
1A601S
NF26
120K 0.0625W
R198
GND
24.576MHz
AT-49-24.576MHz (7pF)
X4 12
25.0V
0.1uF
C7
16.0V
47.0uF
C4
2
1
16.0V
47.0uF
C46
21
16.0V
22.0uF
C62
2
1
100K
RA10
3
7
2
8
5
1
9
4
10
6
100K
RA9
9
5
10
4
7
1
3
8
2
6
16.0V
47.0uF
C71
2
1
A[5]
A[1]
A[11]
A[2]
A[3]
A[6]
A[10]
A[4]
A[8]
A[23-1]
A[9]
A[7]
D[0]
D[0]
D[1]
D[1]
D[2]
D[2]
D[3]
D[3]
D[4]
D[4]
D[5]
D[5]
D[6]
D[6]
D[7]
D[7]
D[8]
D[8]
D[9]
D[9]
D[10]
D[10]
D[11]
D[11]
D[12]
D[12]
D[13]
D[13]
D[14]
D[14]
D[15]
D[15]
GND
10k½
A
Speaker
B2B-PH-K-M
10k½
pSPKOT
Gi:30min
GA
A
A
ID_1
For Intel Endian Mode
D-BUS Up Side Down
24.576MHz
ID_0
AFE_CLASS0
AFE_CLASS1
EYE PATTERN MONITOR
TEST POINT
26, 29, 31, 33-Pin
For Emulation Board JTAG I/F
3V
0V
0V
+5V
-5V
A class AMP
For Intel Endian Mode
Host UB ----- Modem LB
Host LB ----- Modem UB
-3V
+5V
0V
0V
1.5V
-1.5V
0V
+5V
-5V
3V
0V
-3V
#
# : Not Mounted
Modem
Interrupt 
Bus
Control
Address
Bus
Data
Bus
DAA
I/F
DAA Reset
Speaker
Amp
Monitor Speaker
Volume
3.3V
0V
Modem
Master
Clock
DAA Clock
Volume SW
AGC Amp
Panel SW Sound
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