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MAIN BOARD Circuit Diagrams (PCB-6868B)
●
Power DC/DC converter block
+3.3V
+3.3VA
DG
0.1uFFZ
C7
2
1
+
4.7UF/6.3V(T)3
C11
LFC32TE 101K
L2
0.1uFFZ
C8
0.1uFFZ
C9
B100kHz
B100kHz_L
IC100kHz
IC100kHz_L
( 4,13 )
( 4 )
DG
(+5V)
(+5V)
+5V
22F
R6
22F
R7
2
18
1
20
10
19
HD74ACT244
IC4A
1
20
10
4
16
19
HD74ACT244
IC4B
SENSE
1
ITH
2
VFB
3
RUN/SS
4
VIN
8
PDRV
7
GND
6
SYNC/MODE
5
LTC1622CMS8
IC3
1
2
D3FS4A
D1
LQN6C4R7M04 4.7uH
L1
+5V
220pFCHJ
C1
470pFCHJ
C3
DG
+1.9VPOWER SUPPLY
3
1
4
2
5
6
SI3443DV
Q1
N.C
0.051J(1W NPR)
R2
10KF
R1
91KF
R3
33KF
R4
33KF
R5
0.1uFFZ
C5
0.1uFFZ
C6
220pFCHJ
C2
2
1
+
100UF/10V(C)5
C4
2
1
+
330UF/6.3V(O)
C10
+1.9V
( 11 )
( 11 )
CP1
CP2
CP3
CP4
CP5
CP6
CP7
CP8
8
9
10
TC74VHC132FT
IC28C
11
12
13
TC74VHC132FT
IC28D
4
5
6
TC74VHC132FT
IC28B
DG
+5V
510F
R287
1000PF
C215
DG
*A
510F
R286
1000PF
C214
DG
1
2
3
7
14
TC74VHC132FT
IC28A
CP454
CP455
CP456
CP457
Summary of Contents for CARDIMAX FX-7202
Page 10: ...viii ...
Page 12: ......
Page 18: ...Chapter 1 1 6 ...
Page 48: ......
Page 50: ......
Page 51: ......
Page 58: ......
Page 108: ......
Page 124: ......
Page 125: ...6 1 MAIN BOARD PCB 6868B component side ...
Page 126: ...6 2 MAIN BOARD PCB 6868B soldering side ...
Page 127: ...6 3 ECG AMP BOARD PCB 6867A component side ...
Page 128: ...6 4 ECG AMP BOARD PCB 6867A soldering side ...
Page 129: ...6 5 OPERATION BOARD PCB 6866C component side ...
Page 130: ...6 6 OPERATION BOARD PCB 6866C soldering side ...
Page 131: ...6 7 POWER1 BOARD PCB 6863B component side ...
Page 132: ...6 8 POWER1 BOARD PCB 6863B soldering side ...
Page 133: ...6 9 POWER2 BOARD PCB 6864B component side ...
Page 134: ...6 10 POWER2 BOARD PCB 6864B soldering side ...
Page 135: ...6 11 MARK SENSER BOARD PCB 6865 component side ...
Page 136: ...6 12 MAGAZIN SW BOARD PCB 6862 component side ...
Page 138: ......
Page 143: ...7 5 External view of recorder ...
Page 152: ......
Page 158: ...Chapter 8 8 6 ...
Page 159: ......