Sharp 28JS-74SS Service Manual page 29

H Flyback Pulse
34
37 Power Supply Switch Voltage 1
IF Video In
40
Analog V Out
43
EPROM Address A3
46
R/C Pulses
35
38
Power Supply Switch Voltage 2
Analog Y Out
41
OSD Blanking
44
SCL0
47
29
+400V (Power Supply Voltage)
36
39 I Sense CRT
Analog U Out
42
EPROM Data D3
45
SDA0
48
28JS-74S