Service manual
UX-465L/C
UX-485LU
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Control PWB circuit 1/6
Main control block
6 – 1
1
2
6
4
3
5
BDEFG
I
HCA
1
2
6
4
3
5
BDEFG
I
HCA
BATRST
PWRDWN
XOUT
XIN
TONE
VBAT
DG
–VREF/CLREF
VIN
THADI
+VREF
N.M.
N.M.
N.M.
N.M.
N.M.
N.M.
R228
173
174
175
176
D7
D6
D5
D4
RA10
D[7~0]
2
3
4
5
RA2
D3
D2
D1
D0
4
3
2
1
5
6
7
8
4
3
2
1
5
6
7
8
1
172
161
139
119
91
50
28
12
90
89
87
82,85
86
150
158
121
106
58
41
17
VSS
151
152
DEBUGN
105
RESET
TETCLK
D7
D6
D5
D4
D3
D2
D1
D0
VSS
VSS
VSS
VSS
VSS
VSS
VSS
DG
DGDG
DG
DG
DGDGDG
DG
C195
1000P
<K>
<L>
<M>
C144
1
C145
1
C146
1
C181
1
C179
1
C178
1
C161
1
C143
1
C185
1
+3.3V
+3.3V
C198
1
C197
1
C196
1
C142
1
IVREFN
IVREFP
ADXG
ADGA
ADVA
VDDPLL
VDD
VDD
VDD
VDD
VDD
VDD
VDD
CNCIS-5
CNCIS-4
CNTH-12
CNTH-11
STRB3
CNTH-4
STRB2
CNTH-3
PCLK
DATA
CNTH-14
CNTH-15
CNTH-13
LATCH
STRB4
CISCLK
<CISCLK>
STRB1
TΦ
77
76
116
115
118
45
46
47
48
43
44
49
TEST0
IC10
SCE114V(1/2)
FAX CONTROLLER
TEST1
159
160
SXIN
SXOUT
CLK1N/GPO25
CLK2
START
STRB3
STRB2
STRB1
STRB0
PDAT
PLAT
STRBPOL
117
CLK1
42
PCLK
L110
HM601
L115
L116
L102
L103
L113
L114
L106
X1
32.256MHz
R126
270
R139
10K
R140
270
N.M.
N.M.
R125
270
RA11
470x4
DG
DG
DG DG
DGA
DG
C180
C160
15P
C165
1
C3
220/6.3
C141
18P
R137
270
R148
1M
R152
150
R174
270
DG
C104
5
6
7
8
4
3
2
1
DG
DG
C127
C128
C129
C131
C130
C133
C132
1000Px7
C151
C150
C153
C149
C152
C148
C147
100Px7
C156
C136
C137
C138
C155
C154
N.M.
N.M.
N.M.
N.M.
N.M.
N.M.
N.M.
N.M.
R215 R216
SEN5
SEN6
CNPNB-5
CNPNB-3
C221
C222
DG
DG
DG
C109 1000P
C110 1000P
C111 1000P
C120 1000P
OPI2
OPO2
OPI0
OPI1
OPI3
LCDCS
OPO0
OPO3
OPO4
OPO1
OPO5
OPO6
OPO7
LEDCTL
104
103
102
101
61
100
98
97
96
99
95
94
93
59
SEN1
SEN2
SEN3
SEN0
SEN4
E
KEN4A
KEN3A
KEN2A
KEN1A
1
2
3
4
8
7
6
5
R197
470
R142
120
L105
0
RA14
470x4
RA15
470x4
100Px5
1
2
3
4
8
7
6
5
(5-5E)
TPB
(5-5E)
TPA
BZOUT1
(6-2H)
(4-2C)
DG
DG
DG
(5-2H)
THADI
(5-6D)
VIN
+3.3V
(5-5E)
TPB
(5-5E)
TPA
DG
DG
C102
C112
C113
C114
R180
10K
R178
DG
C182
1
DG
+3.3V
C162
0.1
RA9
1K x 4
DG
1
2
3
4
8
7
6
5
169
168
167
166
SM0
SM1
SM2
SM3
66
88
72
92
33
BZOUT2
(6-3H)
120
83
84
78
80
73
79
71
X2
32.768kHz
C163 22P
C186 22P
+3.3V
DG
VBAT
PWRDWN
C199
1
C164
1
DG
<BATRST>
DG
C187
1
R179
220K
BATREST
PWRDWN
INTPWRDOWNE
XOUT
XIN
ALTTONE/GPIO20
TONE
VDRAM
VBAT
–VREF/CLREF
VIN
THADI
+VREF
6
8
7
9
10
11
13
14
15
19
20
21
22
24
25
26
16
18
23
29
30
31
32
27
5
6
7
8
5
6
7
8
4
3
2
1
4
3
2
1
5
6
7
8
4
3
2
1
5
6
7
8
4
3
2
1
5
6
7
8
4
3
2
1
155
170
154
153
156
157
75
69
68
70
74
171
67
RA3
RA5
RA6
RA7
RA8
R150
R159
R157
R158
R136
10K
DG
R151
R149
<I>
<H>
<J>
RD
WR
ROMCS
CS1
CS0
SYNC
WAIT/CLKCONFIG1
REGDMA/CLKCONFIG0
RAS
CAS1
CAS0
DWR
WRPROT
(2-4A)
(2-4C)
(2-3A)
(4-1A)
RESETO
(2-4C)
CE1
RD
WR
RDMCS
DWR
CAS
RAS
<A>
<B>
<C>
<D>
<E>
<F>
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A17
A18
(2-6A)
A[18~0]
(2-6A)
CNPN-12
CNPN-11
CNPN-10
CNPN-13
CNPN-15
CNPN-14
CNPN-1
CNPN-2
CNPN-3
CNPN-4
R177
10M
C183
1
A23
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A2
A1
A0
A3
(2-4G)
(2-4G)
(2-4G)
<ΦT>
N.M.
N.M.
N.M.
N.M.
SEN7
CNPNB-1
C223
DG