Samsung SRP-350PG Service Manual - Page 55
I/F PBA Detect Block Diagram
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7 Special Circuit Descriptions 7-4 I/F PBA Detect Block Diagram I/F PBA RS-232C RS-485 IEEE1284 USB NO CONNECTION DIP_C1 DIP_C2 L L L H H L H H L L Table 7-2 I/F PBA Detector Descriptions DIP_C3 H L L L L I/F SEL(OUT) C1 (IN) C2 (IN) C3 (IN) I/F SEL is executed only one time after RESET. C1,C2,C3 = H,L,L IEEE1284 PBA Table 7-6 I/F PBA Detector Block Diagram 7-4 Samsung Electro-Mechanics
7 Special Circuit Descriptions
7-4
7-4 I/F PBA Detect Block Diagram
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µµ
I/F PBA
DIP_C1
DIP_C2
DIP_C3
RS-232C
L
L
H
RS-485
L
H
L
IEEE1284
H
L
L
USB
H
H
L
NO CONNECTION
L
L
L
Table 7-2 I/F PBA Detector Descriptions
Table 7-6 I/F PBA Detector Block Diagram
I/F SEL(OUT)
C1 (IN)
C2 (IN)
C3 (IN)
I/F SEL is executed only one time
after RESET.
C1,C2,C3 = H,L,L
±
IEEE1284 PBA
Samsung Electro-M
e
chanics