4 - 34
ECG AMP IF/THERMAL IF block
THERMAL CN
DG
+5V
TSCLK
TSLATCH
TSDATA1_BLK
TSTRBE1_BLK
TSTRBE2_BLK
AMP CN
RXDA
TXDA
+5V
DG
GND
F100kHzN
F100kHz
RXD-A
TXD-A
+5V
STROBE1*
GND
GND
VH
CLOCK
TSDATA2_BLK
( 7 )
DG
B100kHz
B100kHz_L
( 5 )
(+5V)
(+5V)
(+5V)
(+5V)
(+5V)
(+5V)
THERMAL_TEMP
OVH_L
( 7 )
( 8 )
DG
DG
DG
DG
DG
+3.3V
+5V
+5V
3
2
1
D17
1SS302
R296
1.0MF
R79
20KF
R356
7.5KF
C84
0.1uFFZ
C85
0.1uFFZ
+3.3V
SDA
SCL
WP
+3.3V
SDA
SCL
WP
L18
BLM18BD471SN1
L19
BLM18BD471SN1
L20
BLM18BD471SN1
L21
BLM18BD471SN1
L22
BLM18BD471SN1
L23
BLM18BD471SN1
+5V
DG
+5V
3
2
1
D18
1SS302
DG
+5V
3
2
1
D19
1SS302
+5V
R357
100KF
R113
22F
R114
22F
R115
22F
R116
22F
R117
22F
R118
22F
R41
10KF
R42
10KF
+3.3V +3.3V
R43
10KF
+3.3V
11
9
19
20
10
IC8E
HD74ACT244
13
7
19
20
10
IC8F
HD74ACT244
15
5
19
20
10
IC8G
HD74ACT244
17
3
19
20
10
IC8H
HD74ACT244
2
18
1
20
10
IC8A
HD74ACT244
4
16
1
20
10
IC8B
HD74ACT244
JP19
SHORT
145mm 8dots/mm 2ch
OPEN
THERMAL MODE
SHORT
OPEN
JP20
145mm 8dots/mm 1ch
JP21
JP22
SHORT
OPEN
SHORT
OPEN
JP20
0F
JP19 0F
R44
10KF
R45
10KF
R80
20KF
+5V
DG
+2.5V
+1.25V
( 8 )
( 8 )
( 8 )
( 5 )
( 7 )
( 7 )
( 8 )
( 8 )
( 8 )
( 8 )
( 8 )
DG
STROBE3*
GND
VH
VH
VH
DATA IN2
TM
TM
VH
GND
GND
GND
LATCH*
VDD
DATA OUT2
DATA IN1
STROBE2*
VH
GND
GND
DATA OUT1
VH
VH
+24V
1
2
3
4
5
6
P5
00 6224 006 001 800
GND
(N.C)
CARTRIDGE CN
+5V
DG
UNMOUNT
UNMOUNT
JP21
JP22
C188
0.1uFFZ
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
P4
00 6224 028 001 800
C187
0.1uFFZ
3
2
1
8
4
IC18A
OPA2350UA
5
6
7
8
4
IC18B
OPA2350UA
1
7
8
4
IC37A
TC7W14FU
3
5
IC37B
TC7W14FU
6
2
IC37C
TC7W14FU
1
2
3
4
5
6
P9
20 5082 301 006 100
Summary of Contents for FX-7302
Page 10: ...viii ...
Page 12: ......
Page 60: ...Chapter 2 2 40 ...
Page 62: ......
Page 86: ...Chapter 4 4 18 ...
Page 87: ...4 19 MAIN BOARD circuit diagram PCB 6956B Power connection table No 1 ...
Page 114: ...4 46 ...
Page 116: ......
Page 130: ......
Page 131: ...6 1 MAIN BOARD PCB 6956B component side ...
Page 132: ...6 2 MAIN BOARD PCB 6956B soldering side ...
Page 133: ...6 3 OPERATION BOARD PCB 6957B component side ...
Page 134: ...6 4 OPERATION BOARD PCB 6957B soldering side ...
Page 135: ...6 5 ECG AMP BOARD PCB 6731D component side ...
Page 136: ...6 6 ECG AMP BOARD PCB 6731D soldering side ...
Page 137: ...6 7 MARK SENSER BOARD PCB 6942 component side ...
Page 138: ...6 8 MAGAZIN UP BOARD PCB 6943A component side ...
Page 139: ...6 9 CONNECTION BOARD PCB 7028 component side ...
Page 140: ...6 10 ...
Page 142: ......
Page 151: ...7 9 Outline view 255 315 70 76 ...
Page 152: ...7 10 ...
Page 154: ......
Page 160: ...Chapter 8 8 6 ...
Page 161: ......