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10 Schematic Diagrams
10-2 MICOM Part Schematic Diagram
+5V_CPU
CN201
TP201
slcon3p
1
1
R201
TP202
10K
2
1
BD205
B
HB-1M2012-800JT
3
C201
C207
47uF
100nF
C208
C209
56PF
56PF
1
TP203
+5V_CPU
R277
220
MSP_RESET
VPC_RST
IC202
POWER_KEY
KIA7045RTF
SW_REG_EN
GND_2
ZD201
IN OUT
GND_1
RXD
TXD
V_INT
C205
C204
C202
C210
JAG_RST
100nF
10uF
10uF
10nF
MCA16
SCALER_WRITE
SCALER_READ
+5V_CPU
IC204
MC74F14D
1
14
MCU_RST
R260
0
IO
VCC
2
13
O_O
I5
3
12
I1
O_5
4
11
R262
0
O_1
I4
5
10
I2
O_4
R263
0
6
AUDIO_STANDBY
O_2
I3
7
GND
O_3
+5V_CPU
1
20
MCAD(0:7)
A
T
2
19
MCAD(7)
MCA(7)
B
S
IC205
74ABT573CMTC
MCAD(6)
3
18
MCA(6)
C
R
MCAD(5)
4
17
MCA(5)
D
Q
MCAD(4)
5
16
MCA(4)
E
P
MCA(7)
MCAD(3)
6
15
MCA(3)
MCA(6)
F
O
MCA(5)
7
14
MCAD(2)
MCA(2)
MCA(4)
G
N
MCA(3)
13
MCAD(1)
8
MCA(1)
MCA(2)
H
M
MCA(1)
12
MCAD(0)
9
MCA(0)
MCA(0)
I
L
10
11
J
K
SCALER_ALE
GD15N*/GD15A*
+5V_CPU
+5V_CPU
HB-1M2012-800JT
BD202
C221
SDA
1uF
SCL
6
5
4
3
2
1
44
43 42 41 40
R228
100
MCAD(4)
7
39
R251
100
P1_5
P0_4
MCAD(5)
R229
100
8
38
P1_6
IC201
P0_5
9
37
MCAD(6)
R249
100
P1_7
TS80C32X2-MCB
P0_6
10
36
MCAD(7)
R250
100
RST
P0_7
11
35
R225
100
P3_0
VPP
12
34
NIC1
NIC3
13
33
R226
100
P3_1
ALE
SCALER_ALE
14
32
R246
100
P3_2
PSEN_
*PSEN
15
31
R247
100
MCA(15)
P3_3
P2_7
16
30
R248
100
MCA(14)
P3_4
P2_6
R227
100
17
29
MCA(13)
P3_5
P2_5
18 19
20
21
22
23
24
25 26 27 28
R253
100
R254
100
HC-49/S-SMD(14.31818MHZ)
TP221
X201
TP222
Q0
Q1
C203
C206
C226
C227
10uF
100nF
33pF
33pF
4
CREF
R264
22
LED
9
R278
220
8
LED_POWER
+5V_CPU
HB-1M2012-800JT
HB-1M2012-800JT
BD203
BD204
C220
C223
R266
1uF
1uF
4.7K
R214
10K
MCA16
MCA(0:7)
MCA(8:15)
MCA(12)
MCA(15)
4
3
2
1
32
31
30
5
29
MCA(14)
A7
A14
6
28
MCA(13)
A6
A13
7
IC203
27
MCA(8)
A5
AT27C010-90JC
A8
8
26
MCA(9)
A4
A9
9
25
MCA(11)
A3
A11
10
24
A2
*OE
11
23
MCA(10)
A1
A10
12
22
R224
100
A0
*CE
*PSEN
13
21
DQ0
DQ7
MCAD(0:7)
14 15 16 17 18 19 20
MCAD(7)
MCAD(6)
MCAD(5)
MCAD(4)
MCAD(3)
MCAD(2)
MCAD(1)
MCAD(0)
+5V_CPU
C222
1uF
MCAD(0:7)
100
R232
EXIT_KEY
100
R230
MENU_KEY
LED_V2
100
R234
LED_POWER
LED_V1
100
R231
POWER_KEY
LED_PC
100
R237
DOWN_KEY
100
R238
RIGHT_KEY
LED_TV
100
R239
LEFT_KEY
100
R233
SOURCE_SEL_KEY
100
R236
UP_KEY
100
R235
PIP_KEY
MCA(8:15)
C218
10nF
C219
10nF
+5V_CPU
+5V_DEC
HB-1M2012-800JT
BD207
C225
1uF
R535
200
ZDA204
ZDA203
ZDA202
QZX363C5V6
QZX363C5V6
QZX363C5V6
C212
C217
C213
C214
10nF
10nF
10nF
10nF
C216
C215
C211
10nF
10nF
10nF
+3.3V_D
HB-1M2012-800JT
BD206
IC206
C224
MIC74
1uF
16
1
A
P
15
R240
100
2
B
O
SDA
14
R241
100
3
C
N
SCL
13
R255
1K
4
D
M
12
5
R242
100
E
L
LED_PC
6
11
R245
100
F
K
LED_V1
10
7
R243
100
G
J
LED_V2
9
R536
100
8
LED_TV
H
I
CONFIDENTIAL
CN202
18P
1
TP212
2
1
TP204
3
1
TP214
4
1
TP218
5
1
TP215
6
1
TP217
7
1
TP213
8
9
TP216
1
10
TP208
1
11
1
12
TP207
13
TP219
1
14
TP206
1
15
1
TP211
1
TP209
16
1
TP210
17
1
18
ZDA201
QZX363C5V6
10-3
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