Sharp 28JS-74SS Service Manual page 30

28JS-74S
SCL 33
49
52 SDA
Xtal Out 6 MHz
55
Xtal In 20.25 MHz
58
SDA33
50
53 Video Out Processor
Xtal In 24.576 MHz
56
Xtal Out 20.25 MHz
59
30
SCL
51
54 Xtal In 6 MHz
Xtal Out 24.576 MHz
57