Proview PZ456 Service Manual - page 21
MVP3-SCH-001
1.0
MCU
3
8
Wednesday, May 21, 2003
MRT, Inc.
Title
Size
Document Number
Rev
Date:
Sheet
of
VCC
VCC
VCC
VCC
VCC
VCC
VDD
VDD
VDD
VCC
VCC
VCC
SDA
2
DD_SCL
1
IRQ-
2
SCL
2
HFS
2
DD_SDA
1
AUD_OFF
8
MV_RESET
2
MV_RESET
2
$$$1
1
DOWN
LED_O
LED_O
SDA
CN3-6
LED_GREEN
CLK
DD_SDA
CN3-4
DD_SDA
LED_ORANGE
UP
SDA
DOWN
IRQ-
CN3-7
SCL
DD_SCL
P1_5
VCC
UP
PO_0
CN3-1
LED_G
SCL
CN3-5
DD_SCL
AUTO
LED_GREEN
MENU
LED_G
PO_1
AUTO
Power
MENU
Power
LED_ORANGE
CN3-1
CN3-4
CN3-5
CN3-6
CN3-7
MV_RESET
RESET
RESET
LED_O
LED_GREEN
LED_G
LED_ORANGE
PC-DETECT
SCL-E
SDA-E
R53
NP
R131
5.1K
R130
100K
R132
10K
C133
0.1uF
R60
10K
R59
10K
R62
4.7K
R61
4.7K
C139
0.1uF
C138
0.1uF
C137
0.1uF
C136
0.1uF
R129
NP
C143
0.1uF
C141
1uF
R64
10K
R65
10K
R49
10K
R137
33
R48
10K
R136
33
C135
0.1uF
C134
0.1uF
R63
33
R56
33
R68
33
R66
33
R69
33
D4
1N4148
1
2
R70
NP
U1F
SSHCT14
13
12
14
7
U1E
SSHCT14
11
10
14
7
R72
NP
R133
330
R73
10K
R71
10K
C31
22pF
R134
330
C32
22pF
Q8
2N3904
3
1
2
R55
NP
R51
1K
R54
NP
R52
1K
Q6
2N3906
3
1
2
Q7
2N3904
3
1
2
+
EC4
22uF/16V
PP1
ALI&MRT8064PLCC44
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
C28
0.1uF
CN3
JST-S8B-ZR
1
2
3
4
5
6
7
8
C30
0.1uF
C142
0.1uF
U6
24C16
1
2
3
4
5
6
7
8
A0
A1
A2
VSS
SDA
SCL
WP
VC
C
R127
33
R47
10K
C144
1uF
CN4
JWT-A2001WV2-06
1
2
3
4
5
6
1
2
3
4
5
6
R50
1M
C29
22pF
R58
10K
C27
22pF
R135
10K
U5
SOCKET PLCC44
35
21
20
10
14
15
16
17
2
3
4
5
6
7
8
9
43
42
41
40
39
38
37
36
24
25
26
27
28
29
30
31
19
18
32
33
13
11
44
22
1
12
34
23
EA/VP
X1
X2
RESET
INT0
INT1
T0
T1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6_SDA
P1.7_SCL
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
RD
WR
PSEN
ALE/P
TXD
RXD
VC
C
VSS
INT
2
INT
3
P4.
0
P4.
1
X1
11.0592MHz
R57
10K
R108
1K
8.GND
7.AUTO
PROVIEW KEY PAD --OK
INB12 -> HCLK
INB11 -> HDATA3
INB10 -> HDATA2
INB9 -> HDATA1
INB8 -> HDATA0
3.LED G(568C2ON) ET502 LED/ON
2.LED O(570LEDON G)
1.Power
DEBUG
PORT
4.DOWN-
6.MENU
5.UP
修改
3
修改
4_A
2
B
3
E
C
1
A
B
ADD
R135
0422
使用藍光
LED
R須改為150甌姆須再測試
LCDVDD
CVDD
CVDD
OB[0..23]
2
RB1
GB6
RB4
RB7
GB3
RB5
RB6
GB5
GB2
RB3
GB1
GB0
RB2
GB7
RB0
GB4
BB2
BB3
BB0
BB1
LCDVDD
RB2
RB7
RB6
RB4
RB5
RB3
OB20
OB19
OB16
OB13
OB15
OB10
OB14
OB17
OB23
OB9
OB22
OB21
OB11
OB12
OB8
OB18
OB
OB19
OB16
OB18
OB20
OB17
OB21
OB13
OB11
OB8
OB9
OB10
OB12
GB2
GB3
GB6
GB5
GB4
GB7
OB4
OB3
OB2
OB0
OB1
OB5
BB7
BB3
BB4
BB5
BB6
RP2
1
8
2
7
3
6
4
5
RP3
1
8
2
7
3
6
4
5
RP5
RP1
1
8
2
7
3
6
4
5
RP4
1
8
2
7
3
6
4
5
1
8
RP15
1
8
2
7
3
6
4
5
RP14
1
8
2
7
3
6
4
5
RP16
1
8
2
7
3
6
4
5
RP13
1
8
2
7
3
6
4
5
CN10
1
2
3
4
5
6
7
8
9
PANEL
45
M/B
1