Samsung SRP-350PG Service Manual - Page 50
TEA3718 DRIVER TRUTH TABLE, Serial Comm Driver/Receiver, Step Motor Driver, USB Controller : - driver for
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6-1 Semiconductor Base Diagram 6 Reference Information Serial Comm Driver/Receiver C1+ V+ C1- C2+ C2- VT2OUT R2IN MAXIM MAX232 VCC GND T1OUT R1IN R1OUT T1IN T2IN R2OUT Step Motor Driver OUT B PULSE TIME VS GND GND VSS IN1 PHASE ST TEA3718 SENSE OUT A VS GND GND REFERENCE COMP_INPUT INB TEA3718 DRIVER TRUTH TABLE IN1 IN2 H H CURRENT NO CURRENT REMARK L H LOW CURRENT H L MEDIUM CURRENT L L MAXIUM CURRENT USB Controller : USBN9602 Samsung Electro-Mechanics 6-5
6 Reference Information
6-5
6-1 Semiconductor Base Diagram
TEA3718 DRIVER TRUTH TABLE
IN1
IN2
CURRENT
REMARK
H
H
NO CURRENT
L
H
LOW CURRENT
H
L
MEDIUM CURRENT
L
L
MAXIUM CURRENT
MAXIM
MAX232
V+
C1+
C1-
C2-
C2+
V-
R2IN
T2OUT
VCC
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
Serial Comm Driver/Receiver
ST
TEA3718
PULSE TIME
OUT B
VS
GND
GND
VSS
PHASE
IN1
SENSE
OUT A
VS
GND
GND
REFERENCE
COMP_INPUT
INB
Step Motor Driver
USB Controller : USBN9602
Samsung Electro-M
e
chanics