4 - 42
LCD CONTRAST/BACK LIGHT CONTROL block
VFT1
NC
VFT2
2
1
+
C14
OPEN
+15V
R22
7.15KF
R23
7.15KF
1
3
2
Q5
2SC2873
1
3
2
Q6
2SC2873
4
3
2
5
1
8
6
L1
FT-34
C16
18P/4KV
DG
LCD CFL
NC
C13
1.0UF/50V(C)7
2
4
1
3
5
7
6
8
L2
CMD8R-471M
CP44
CP45
CP46
CP47
CP80
CP81
CP82
C32
0.1uFFZ
DG
VCC
16
Q12
1
Q6
2
Q5
3
Q7
4
Q4
5
Q3
6
Q2
7
GND
8
Q1
9
CK
10
CLR
11
Q9
12
Q8
13
Q10
14
Q11
15
IC11
TC74VHC4040FT
DG
1
3
2
Q7
UN5212
( 1 )
ADC_CLK
+5V
+5V
DG
CP89
CP90
CP91
CP92
CP93
CP94
CP95
CP96
DG
DG
(for UPC358G2)
+28V
DG
+5V
C33
0.1uFFZ
(for TC74VHC00FT)
LCD_CONT
+28V
DG
DG
DG
DG
3
1
2
Q4
2SC3736
DG
LCD_POWER
( 1 )
CP38
CP39
CP40
CP41
CP42
CP43
C12
1.0UF/50V(C)7
+15V
1
2
D9
CRS01
DG
2
1
+
C7
220UF/25V(C)
C8
4.7UF/25V(C)7
C9
1.0UF/50V(C)7
SW
1
DG
2
FB
3
SHDN
4
VIN
5
IC9
LT1930ES5
L3
LQH32CN100K21
R11
121KF
+28V
( 1 )
CP34
CP35
CP36
CP37
C11
0.01UFFZ
C23
0.01UFFZ
R24
20KF
R20
100F
R14
49.9KF
2
1
+
C10
220UF/50V(C)
1
2
3
4
P5
S4B-XH-A
3
2
1
8
4
IC10A
UPC358G2
5
6
7
8
4
IC10B
UPC358G2
R21
3.3KF/2W
C15
0.033U/100V
C31
1000PF
R13
4.7KF
R12
100KF
R15
100KF
R16
100KF
R17
100KF
R18
100KF
R19
100KF
3
2
1
Q8
2SJ179
1
2
4
5
3
IC12A
TC-74VHC00FT
9
10
8
IC12C
TC-74VHC00FT
4
5
6
IC12B
TC-74VHC00FT
12
13
11
IC12D
TC-74VHC00FT
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: ......