Pcb Layout - Casio I/O-PB-12 Service Manual

Electronic cash register option i/o board for casio ce-4700; casio tk-1300; casio tk-2300; casio tk-2700; casio tk-5100
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7. PCB LAYOUT

6
1
CN3
C21
IC4
350H
340H
330H
320H
SN75
2A0H
1178N
290H
280H
1E0H
C24
R63
R64
R65
R66
R67
R68
LC92011B
IC7
-630
R69
C27
RA6
CA4
9
6
5
1
CN2
IC3
C1
R12
R13
R1
R2
R3
R4
C6
R5
C7
R6
R7
C8
R8
R9
R10
C9
R11
R26
R36
IRQ3
IRQ4
IRQ5
IRQ7
IRQ10
IRQ11
IRQ12
IRQ3
IRQ4
IRQ5
IRQ7
IRQ10
IRQ11
IRQ12
C5
C4
C12
C13
R60
C14
C16
Top View
9
9
5
5
CN2
C1
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
IRQ3
IRQ4
IRQ5
IRQ7
IRQ10
B31
IRQ11
IRQ12
IRQ3
IRQ4
IRQ5
IRQ7
IRQ10
IRQ11
IRQ12
C4
— 22 —
6
9
1
5
CN3
IC3
C21
IC4
R13 R12
C6
C7
C8
C9
R26
R36
C5
C12
C13
R60
C14
C16
LC92011B
IC7
-630
Bottom View
6
1
350H
340H
330H
320H
SN75
2A0H
1178N
290H
280H
1E0H
~
C24
R63
R64
R65
R66
R67
R68
R69
C27
RA6
CA4

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