Table of Contents
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Schematic Diagrams PLC-XU45,46
A
K3U
J10ML540G
1
2
K3U_1
5VS
NT1
3
5
K3U_5
5V
NT1
AUDIO
7
K3U_7
-5VS
NT1
9
11
12
K3U_11
5VPC
NT1
13
15
K3U_15
9V
NT1
B
17
19
21
22
SP-
K3U_21
AV
NT1
23
SP+
K3U_23
NT1
25
BOARD
27
K3U_27
VOL_CONT
NT1
29
K3U_29
AV/PC
"K10U"
NT1
31
32
K3U_31
MUTE
NT1
33
K3U_33
S_SW
NT1
35
K3U_35
C_SWIN
NT1
37
39
K3U_39
S_Y
NT1
41
42
K3U_41
S_C
NT1
43
45
C
K3U_45
C_V
NT1
47
49
K3U_49
AV_PB
NT1
51
52
K3U_51
AV_PR
NT1
53
K3U_3
NT1
K8F
J10EP030G
1
SP+
K8F_1
SP+
NT1
SP-
K8F_3
SP-
NT1
3
D
EXTERNAL
SPEAKER
E
F
G
MOUSE_SEL0
MOUSE_SEL1
TXD
RXD
H
R3806
1/16
GJ100C
I
RB3821
R1HA1034G
:R1A41034G
DATA
DATA
ADB/CLK
ADB/CLK
J
K
R3821
1/16GJ
10KC
RTS/CTS
R3822
1/16GJ
33KC
L
1
2
ME3A-03
SCH_ME3A
TP11SC
9V
TP11SC
J30B
S_C
Q131
1640G
R131
AH
C131
1/16GJ
25KZ
3.2V
100C
0.1
S_C
GQFZ
R132
1/16GJ
1KC
TP11SY
J30B
S_Y
1640G
R133
1/16GJ
3.2V
100C
Q132
S_Y
AH
TP11SY
R134
1/16GJ
1KC
9V
R110
1/16GJ
100C
C111
C112
16EM
25KZ
47WM
0.1
GQFZ
C_V
C_V
IC1101
IC4101
CLKFSC
5V
L2102
L2A7
100KG
C2103
C2104
6.3EM100
25KZ0.1
(WM:F1)
GQFZ
C2124
KZ
0.01
36
GQFZ
37
38
R2123
1/16GJ
39
PLSL
4.7KC
C2126
40
KZ0.01
MCKO
GQFZ
41
R2124
ADCK
1/16GJ
56KC
42
CPO
43
R2126
PLVS
1/16GJ
560C
44
VCV
C2127
25KK
45
0.022
C2105
PLVD
GQBY
6.3EM100
(WM:F1)
46
L2103
L2A7
47
330KG
C2106
48
25KZ0.1
GQFZ
1
R2102
C2111
R2101
1/16
1/16
10PM
GZ0C
GZ0C
10DB
L2101
L2A7
330KG
C2101
C2102
6.3EM100
25KZ0.1
(WM:F1)
GQFZ
R2131
1/16GJ
4.7KC
DCOM_OFF
R2132
X
RS232C
DRIVER
SEL0
SEL1
TXD
IC3801
R2
R2
9
8
OUT
IN
HIN232CB
SP232ACT
TXD-DRV
T2
T2
10
7
IN
OUT
C3806
EM1D
11
T1
V-
6
R3801
IN
1/16
R1
GJ100C
OUT
12
C2-
5
C3804
EM1D
RXD
13
C2+
4
R1
IN
14
C1-
3
T1
C3803
OUT
EM1D
C3801
15
GND
V+
2
25KZ
0.1
GQFZ
16
VCC
C1+
1
R3803
R3802
C3802
1/16
1/16GJ
EM1D
10KC
GZ0C
R3804
1/16GJ
CPU_RXD
100C
D3802
1SS355
CPU-TXD
D3801
MOUSE_SEL1
1SS355
MOUSE_SEL0
RESET
15
YB
RD14
14
16
YA
RD15
13
17
XB
RD16
12
18
SA
RD17
11
19
SEL1
RD10
10
20
SEL0
RD11
9
21
DATA IN
RD12
8
22
RD13
7
23
RC10
RC00
6
24
SDATA INT
RC01
5
25
TXD
4
26
Ready
3
27
RC11
2
R3823
X3821
1/16
V11B0770P;
GZ0C
V11B1240G
28
1
C3821
25KZ0.1
MOUSE-TXD
GQFZ
RTS/CTS
D3821
UDZ5.1BG
IC3821
TWM7000-151020
3
Page A13
[Left]
R111
5V
IC121
X
IC121
MM1031XM
R114
C123
QXXAVB157P
R121
Q111
1/16GJ
PM
1/16
AH
680C
GZ0C
1DB
VCC
3
2
R123
R112
1/16
6DB
X
R113
GZ0C
C122
1/16GJ
4
1
25KZ
VSS
1KC
3
2
1
R116
C124
0.1
1/16GJ
X
GQFZ
2.7KC
4
6
T111
7 8
F30B2820G
R2127
R2122
R2121
1/16GJ
X
X
100C
R2128
R2125
1/16
1/16
GZ0C
GZ0C
R2119
1/16GJ
100C
C2122
35
34
33
32
31
30
29
28
27
26
25
X
24
23
R2118
1/16
GZ0C
22
VEH1
R2117
1/16
IC2101
GZ0C
21
SO
R2114
X
CXD2064Q
20
VEH3
19
MOD-1
DIGITAL
18
DVSS
COMB
17
MOD-2
16
DVDD
FILTER
TEST
15
C2121
14
25KZ0.1
GQFZ
13
R2113
1/16GJ
3.3KC
2
3
4
5
6
7
8
9
10
11
12
C2118
R2107
R2109
25KZ0.1
1/16GJ
1/16GJ
GQFZ
33C
10C
R2112
R2108
C2117
1/16GJ
1/16GJ
C2112
C2113
25KZ0.1
2.2KC
180C
25KZ0.1
25KZ0.1
GQFZ
R2110
C2119
GQFZ
GQFZ
1/16GJ
25KZ
3.3KC
R2111
0.1
1/16GJ
GQFZ
3.3KC
R2103
R2106
1/16GJ
1/16GJ
33C
10C
R2105
R2104
1/16GJ
1/16GJ
3.3KC
180C
IC3831
TC7SET00FU
5VS
R3833
R3834
X
X
R3831
1/16GJ
100C
C3831
1
VCC
5
25KZ
0.1
2
5VS
GQFZ
R3832
3
GND
4
1/16GJ
100C
R3835
1/16GJ
1KC
D3831
1SS355
IC3841
C3841
RESET
EM1D
TWM7000-162020
1
24
SRC11
2
23
3
SRC10
22
X3841
V11B0770P;
V11B1240G
4
21
5
SRD04
20
6
SRD05
19
7
SRD06
18
8
SRD07
17
9
16
SRD00
10
SRD01
15
11
SRD02
14
SRC01
12
SRD03
SRC00
13
AIR MOUSE
CONTROLLER
4
5
-5-
9V
L151
R152
L2PD
1/16GJ
3R3MG
56KC
C151
C152
C153
16EM
25KZ
Yout
47WM
0.1
6.3PM
GQFZ
47DB
R151
R153
1/16GJ
X
27KC
R171
1/16GJ
82KC
Cout
C171
25KZ0.1
GQFZ
R172
1/16GJ
27KC
PC: H
R2161
1/16GJ100C
AV: L
SCL2_5
R2162
1/16GJ100C
SDA2_5
AV/PC
R_CLMP
G_CLMP
B_CLMP
AV/PC
SYNC_SW
R2120
X
R2115
X
R2116
X
R2181
1/16GJ100C
R2182
1/16GJ100C
Yout
Cout
R6101
(TO PIXEL)
X
HD_VSYNC
R6102
1/16
HD_VSYNC
GZ0C
IC6261
R6104
1/16
GZ0C
AV/PC -
SYNC SW .
HD_HSYNC
HD_HSYNC
VIDEO_CR
VIDEO_CR
VIDEO_CB
IC1101
VIDEO_CB
VIDEO_Y
VIDEO_Y
AV_PR
AV
AV_PR
AV_PB
BOARD
AV_PB
C_V
"K3U "
C_V
C3844
6.3EM
47WM
C3843
25KZ0.1
GQFZ
CPU_RXD
HS_OUT
CPU_TXD
MOUSE_RESET
C3842
25KZ0.1
GQFZ
R3841
1/16
GZ0C
R3842
1/16
GJ10KC
R3843
1/16
GJ10KC
VS_OUT
MOUSE
R3844
1/16GJ
100C
R/C
R3846
1/16
GJ10KC
R3847
1/16
GJ10KC
VS_OUT
R3848
1/16
GJ10KC
MACRO
6
7
R156
1/16GJ
1.8KC
R157
Q152
1/16GJ
AH
680C
C154
Q151
25KZ0.1
2SA
GQFZ
1037AKR
3
2
1
Y
R154
1/16GJ
R158
1KC
1/16GJ
4
6
2.7KC
R159
T151
8 7
1/16GJ
F30B2820G
1KC
R174
1/16GJ
R176
1.8KC
1/16GJ
680C
Q172
AH
Q171
2SA
1037AKR
3
2
1
C
R173
1/16GJ
1KC
R177
1/16GJ
4
6
2.7KC
R178
7 8
1/16GJ
T171
1KC
F30B2820G
D/A
IC2161
M62392FP
C2162
1
R
CS0
24
25KZ0.1
2
SCL
CS1
23
GQFZ
3
SDA
CS2
22
4
A07
VDD
21
5
A08
VCC
20
6
A09
A06
19
7
A10
A05
18
8
A11
A04
17
9
A12
A03
16
10
VREF
A02
15
11
VREFU1
A01
14
12
GND
VREFU2
13
5V
C2164
C2163
25KZ0.1
6.3EM
GQFZ
47WM
IC2181
I/O
M62320FP
0V
1
SO
CS0
16
4.7V
0V
2
SCL
CS1
15
0V
4.7 V
3
SDA
CS2
14
0V
5V
4
D0
VDD
13
0V
5.3V
5
D1
D7
12
0V
5.3V
6
D2
D6
11
0V
0V
7
D3
D5
10
0V
0V
VSS
D4
8
9
IC6101
MC74VHC14DT
SN74LV14APW
25KZ0.1
5.0V
GQFZ
0.2 V
1
VCC
VCC
14
5V
AV_VSYNC
4.8 V
2
13
AV_VSYNC
0.7V
4.8 V
0V
3
12
AV_VSYNC
0V
1.5V
4
11
AV_HSYNC
0.4V
4.6V
5
10
4.6V
6
9
5.0 V
R6107
0.4V
X
0V
7
GND
GND
8
R6106
1/16
GZ0C
R41
1/16
100C
1/16GJ
R4138
100C
4.6V
C4163
25KZ0.1GQFZ
4.9V
C4164
25KZ0.1GQFZ
4.9V
C4166
25KZ0.1GQFZ
5.1V
R4139
1/16GF
22KC
C4167
25KZ0.1GQFZ
2.5V
C4168
25KZ0.1GQFZ
2.5V
C4169
25KZ0.1GQFZ
C4106
2
25KZ0.1
GQFZ
C4105
16EM
47WM
R4
1/1
2.2
R4174
R4177
1/16
1/16GJ
GZ0C
1KC
Q4172
5V
IC4186
AH
R4176
TC7WT125FU
1/16GJ
Q4171
100C
2SA1037
C4177
AKR
10PM
10DB
C4186
1
VCC
8
25KZ
R4181
R4
0.1
2
7
1/16GJ
R4182
1/1
GQFZ
100C
1/16GJ
GZ
3
6
220KC
4
5
GND
I
5V
C6141
TC74H
25KZ
R6141
R6142
0.1
GQFZ
1/16
X
GZ0C
1
R6143
2
1/16GJ
100C
R6144
X
3
D6146
4
1SS355
R6149
1/16GJ
12KC
5
C6147
R6148
1/16GJ
25KZ0.047
100C
GQFY
6
7
GND
8
8
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