Samsung SER-6500 Service Manual page 68

LM393
1 8 VCC
2 7 OUT
3 6 IN-
4 5 IN+
74LS05, 74HCT14, 74HCTO4
1A
1B
1Y
2A
2B
2Y
GND
Samsung
VCC
6A
6Y
5A
5Y
4A
AY
VCC
4B
4A
AY
3B
3A
3Y
NOON & Ww th =
1488
vcc
4B
AA
4Y
3B
3A
3Y
NOOR WOH
TAHCT32
VCC
4B
4A
4Y
3B
3A
3Y
1A
1B
1Y
2A
2B
2Y
GND
vcc
DO\ / RI\
DO/RI
GND
vcc
4B
4A
4Y
3B
3A
3Y
11-11