Philips DVDR3590H Service Manual page 130

� PIN CONFIGURATION
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EN 130 8. 3139 785 32804
IC 7101 - NJW2244M - 3-INPUT VIDEO SWITCH WITH 75Ω DRIVER
BLOCK DIAGRAM
NJM2244D
NJM2244M
� BLOCK DIAGRAM
Pin Connection
PIN DESCRIPTION AND CONFIGURATION
� PIN CONFIGURATION
NJM2244L
� BLOCK DIAGRAM
Pin Connection
� INPUT CONTROL SIGNAL-OUTPUT SIGN
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IC Internal Block Diagrams
NJM2244L
� INPUT CONTROL SIGNAL-OUTPUT SIGNAL
Figure 8-2
NJM2244D
NJM2244M
Figure 8-3
SW1 SW2
L L
SW1 SW2 OUTPUT SIGNAL
L L
H L
L/H H
note): Input clamp Voltage is about 2/5 of Supply Voltage
OUTPUT SIGNAL
V 1
IN
V 2
IN
V 3
IN
NJM2244L
� INPUT CONTROL
SW1
L
H
L/H
note): Input clamp V
V 1
IN
SW2
L
L
H