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SECTION 7
BLOCK DIAGRAM
CN1
BATT (+)
1
BATTERY
BATT (–)
4
CN3
LCD BACK LIGHT
1
LCD
DISPLAY
LCD
OFF
ON
CN7
VDDH
14
17
LCD, AC, SCLK, HSYNC, VSYNC
ı
20
3
D0-7
ı
10
F1
SW7
F2
SW8
F3
SW9
F4
MENU
SW10
SW5
ENTER
F5
SW11
SW6
SAC
(RS422 BUFFER,
LCD CONTROL, KEY MATRIX)
JME-SA200
SAC, SAK, SAP
DD1
DC-DC CONV.
POWER
ON
1
VIN
VOUT 4
CTL 3
2
OFF
1
3
IC1
F1
VOLTAGE
5
L1
2A
4
DETECTOR
6
1
OUT2 6
IN2
IC2
SCHMITT
6A 13
TRIGGER
12
1Y 2
6Y
Q2
11
5Y 10
5A
RESET SW
INV 1
F2
INVERTER
250mA
ELHV
BLCTL
O
I
CN4
2 1
CN1
2 1
VDDH
BLCTL
5V
SW12
IC9
VDDH-CTRL
10
3Y
NOR GATE
3
6
3B
9
1
4
2
5
IC1
1A 2
BINARY 4BIT
1B
3
COUNTER
2Y
4
3A
8
2
CLK
QC 12
6
2B
CR 1
IC4, 5
BUFF
IC7
OCTAL DFF
SRB0
CK
12
10
KEYEN0-2
Q1
D1
2
D0-7
ı
ı
ı
18
Q3
D9
9
19
IC6
OCTAL BUFF
KEYDATA0-4
2
A1
Y1
11
KEYDATA4
D0-7
ı
ı
ı
ı
6
A5
Y8
18
STB1
UP
G1 1
IC3
SW1
DIFFERENTIAL
LINE RECEIVER
KEYDATA3
RXD±
1
1B
1Y
3
2
1A
3Y 11
LEFT
DSR±
6
2A
SW2
7
2B
CTS±
KEYDATA2
9
3A
10
3B
IC2
DOWN
DIFFERENTIAL
SW3
LINE DRIVER
TXD±
2
1Y
KEYDATA1
3
1Z
DTR±
5
2Z
1A
1
RIGHT
6
2Y
3A 9
SW4
RTS±
10
3Y
11
3Z
KEYDATA0
CN9
1
8
15
9
CONTROL
SAC, SAK, SAP
DD2
DC-DC
CONV.
11
1
VIN
VOUT
ı
3.3V
2
13
5V
IC3
RC 6
NOR GATE
3
1Y
Q1
6
2A
SW
8
3A
3.3V
9
3B
CN2
Q3
5V
3.3V
10
1
1A
3Y
SW
5V
5
IC4
2B
12V REG
12V
O
I
5V
DD3
DC-DC CONV.
VDDH
6
VOUT
VIN 1
VDDH-CTRL
SAP
3
CONTROL
(DC POWER SUPPLY)
5
3
5 3
P-RESET
IC8
TRIGGER INV.
10
5Y
2
1Y
1A
1
3
2A
5A
11
CN5
SHIFT/CLK, LOAD/HSYNC,
FRAME/VSYNC, LCD AC/OE
LD0-8
CN4
STB0
D0-7
STB1
CN2
CN3
SAK
P-RESET
P-RESET
(EEP ROM)
10
10
M RXD
M RXD
3
3
M CTS
M CTS
6
6
M TXD
M TXD
5
5
M RTS
M RTS
4
4
IC3
IC2
EEP ROM
OR GATE
2
1B
CE
4
2A
3Y
8
23
CE
9
3A
10
3B
OE
1Y
3
25
OE
1
5
2B
WE
2Y
6
31
WE
2
IC1
1
1A
INV.
7-1
7-1
5
J12
1
PC CARD
POWER
7
4
CPU BOARD
4
ı
10
J27
LCD
12
ı
20
1
3
J13
ı
PARALLEL PORT
17
19
CN1
P1
P-RESET
EXPANSION CONNECTOR
D4
D4
M RXD
821/COM
B25
B25
M CTS
B27
B27
M TXD
B24
B24
M RTS
B26
B26
RD/WR
A35
A35
CS
C2
C2
2
ı
C21
C21
11
ı
ı
A0
A0-14
24
C28
C28
ı
A14
27
D21
D21
ı
ı
30
D27
D27
13
C5
C5
ı
ı
ı
D0
D0-7
15
C8
C8
ı
D7
18
D5
D5
ı
ı
ı
22
D8
D8
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