Service manual
UX-340L/UX-345L
UX-330L
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
BDEFG
I
HCA
1
2
6
4
3
5
TΦ
TΦ
DG
DG
DG
DG
DG
DG
DG
C172
C173
C187
C171
C188
C154
C170
22Px7
DG
DG
DG
DG
DG
DG
DG
DG
1,3,9,13
14
7
C120
0.1
C118
1
L100
120
L101
0
107
73
74
75
77
78
79
80
83
84
85
86
87
89
91
92
94
96
97
99
98
101
33
34
35
36
29
31
37
GPIO20
GPIO19
GPIO18
GPIO17
GPIO15
GPIO14
GPIO13
GPIO12
GPIO10
GPIO9
GPIO8
GPIO7
GPIO6
GPIO5
VIDCTL0
VIDCTL1
CLK1
CLK2
START
STRB3
STRB2
STRB1
STRB0
PCLK
PLAT
STRBPOL
ADGD
72
ADGA
68
ADXG
102
81
48
14
21
28
45
53,56
64,88
DG
95,108
132
7,134
58
VSS
129
131
TEST
DEBUG
135
RESET
133
130
SYSCLK
136
137
138
139
141
142
143
1
2
3
4
5
6
8
9
10
11
12
13
15
16
19
20
22
23
25
26
27
128
127
120
122
121
126
124
125
113
112
111
109
110
61
62
60
59
118
117
116
114
106
105
104
103
52
51
50
49
54
47
44
A23
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
BATRST
PWRDWN
XOUT
XIN
GPO0
GPO1
GPO2
GPO3
OPI2
OPO2
SM0
SM1
SM2
SM3
OPI0
OPI1
OPI3
LCDCS
OPO0
CNPN-14
SEN2
IC9
FC100M
70
ADVA
41
TSTCLK
144
+5V
76
GPIO16
(3-2B)
MDMRST
(4-5D)
RBNSNS
CNLIUB-4
82
GPIO11
CNLIUA-4
93
CNLIUA-3
CNCIS-5
CNCIS-4
CNTH-12
CNTH-11
OPO3
OPO4
43
42
OPO1
46
CNPN-15
SEN3
CNPN-11
SEN4
CNPN-13
SEN1
CNPN-12
SEN0
CNPN-10
E
KEN4A
KEN3A
KEN2A
KEN1A
RA14
470 x 4
TONE
119
(5-5F)
TPB
(5-5F)
TPA
BZOUT
(6-1I)
63
VBAT
RESET
VBT
R211
10M
X3
32.768kHz
C165
1
R210
220K
C185
1
DG
17
18
A9
A8
A7
A6
A5
A4
A2
A1
A0
RD
WR
ROMCS
CS1
MCS
SYNC
REGDMA
WAIT
RAS
CAS0
CAS1
DWR
WRPROT
A
B
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
32
DG
C162
0.1
+5V
C
G
J
H
RA5
270 x 4
90
GPIO4
100
CLK1
30
PDAT
24
A3
D
E
F
57
CS0
I
GPIO3
GPIO2
GPIO1
GPIO0
R187 30K
R106 30K
R227
(4-4C)
FRSNS
(4-4C)
ORGSNS
(6-2I)
SPMUTE
CNLIUA-11
CML
CNLIUA-8
RHS
CNLIUA-5
HS
CI
TELMUTE
BYPASS
RA10
R184
R183
R161
470
RA7
STRB3
CNTH-4
STRB2
CNTH-3
PCLK
DATA
CNTH-14
CNTH-15
CNTH-13
LATCH
R142
150
L105
HM601
R168
270
R190 270
R191 270
STRB4
CISCLK
STRB1
R189
10K
OPO5
40
OPO6
39
OPO7
38
55
LEDCTL
CNPN-1
CNPN-2
CNPN-3
CNPN-4
R188
470
L106
HM601
RA13
470x4
DG
(4-2D)
DG
DGDG
C166 2200P
C167 22P
C186 22P
66
67
65
–VREF/CLREF
VIN
THADI
+VREF
71
VDRAM
(5-1H)
THADI
(5-5D)
VIN
(5-1D)
–VREF
(5-1D)
+VREF
(5-5F)
TPB
(5-5F)
TPA
(6-4A)
GAINC
(6-3I)
BZCONT
(6-6A)
TXCONT
DG
DG
DG
DG
C138 1000P
C141 1000P
C140 1000P
C129 1000P
C164
1
RA2
470x4
115
DG
C142
0.1
DG
+5V
(2-3A)(3-3B)
(2-4D)(3-2B)
(2-4A)
(2-4D)
CE1
(3-3B)
MCS
RD
WR
RDMCS
(2-6A)(3-4B)
A[16~0]
69
C163
1
140
123
C152
1
DG DG DG DG DG DGDG
C153
1
C169
1
C168
1
C143
1
C150
1
C145
1
C151
1
DG
SYSCLK
(1-2I)
RA4
270 x 4
D7
D6
D5
D4
D3
D2
D1
D0
RA3
270 x 4
D7
D6
D5
D4
D3
D2
D1
D0
(2-6A)(3-3B)
D[7~0]
MIRQ
(3-2B)
R162
10K
C146
1000P
R149
30K
R148
10K
R132
10K
MIRQ
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
K
LM
R146 270
R186 30K
R225 30K
N.M.
CIDOUT2
270x4
R226
N.M.
CNLIUB-7
(5-3E)
VTHON
R185 470
CNPW-9
DPON
PSAVE
C199
N.M.
DG
R157 30K
R159 30K
R156 3.3K
470x4
DG
C189
C190
C193
C195
C197
N.M.
R158 470
(3-1E)
R143
470
DG
C102 C139
N.M.
RA12
470x4
R212
120
C133
C148
C147
C134
C203
C202
N.M.
C110 1000P
C111 1000P
C112 1000P
C121 1000P
DG
DG
DG
DG
BATRST
DG
(1-6F)
SYSCLK
R122
1M
11 10
IC7
HCU04
R131
68
R133
150
X1
19.66MHZ
C130
15P
C117
15P
DG DG
IC7
HCU04
56
L104
Z2104
DG
C144
N.M.
(2-4F)
(2-4F)
(2-4F)
DWR
CAS
RAS
R144 150
R130 150
R129 150
R145 200
R151 270
R152 270
RA6
270x4
RA8
270x4
RA9
270x4
RA11
270x4
A17
+5V
IC7
HCU04
Q8
N.M.
R147
470
L107
0