Read Sharp LC-52X20E (serv.man5) Service Manual online
LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 21
2.12. IC7507 (VHiCE6353++-1Q)
2.12.1 Block Diagram
89, 94, 109, 115, 116,
117, 118, 124, 126, 127,
129, 130, 131, 132, 133,
134, 135, 136, 137, 138,
139, 140, 141, 142, 143,
144
117, 118, 124, 126, 127,
129, 130, 131, 132, 133,
134, 135, 136, 137, 138,
139, 140, 141, 142, 143,
144
VSS
—
Ground for the input buffers and core logic.
45, 47, 70, 72, 74, 76, 77,
79, 83, 84, 86, 87, 96, 97,
99, 100
79, 83, 84, 86, 87, 96, 97,
99, 100
VDDQ
—
Isolated power supply for the output buffers to provide improved noise immunity.
36, 43, 81, 102, 103, 104,
107, 108, 110, 111, 112,
113, 114, 119, 120, 121,
122, 123, 125, 128
107, 108, 110, 111, 112,
113, 114, 119, 120, 121,
122, 123, 125, 128
VSSQ
—
Isolated ground for the output buffers to provide improved noise immunity.
23
VREF
—
Reference voltage for inputs, used for SSTL interface.
93, 61
RFU1/RFU2
—
Reserved for Future Use.
13, 24, 25, 54, 55, 64, 73,
80, 85, 98
80, 85, 98
NC
—
No Connection.
Pin No.
Pin Name
I/O
Pin Function
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