Sony XES-Z50 Service Manual page 59

Pin No. Pin Name
86 AVSS
87 BUS ON
88 SRAM-CS
89 DEC-CS
90 DEC-INT
91 ROM-CS
92 VSS
93 LCD-BLON
94 LINK-OFF
95 DEC-ON
96 DEC-CLR
97 A23
98 A22
99 X.TEST
100 A20
I/O
—
Ground terminal (for A/D conversion)
I
Bus on/off detection interrupt signal input from the system controller (IC501) "L": bus on
O
Chip enable signal output to the S-RAM (IC805)
O Chip enable signal output terminal Not used
Interrupt signal input terminal Demodulation data are read by detecting a falling edge
I
Not used
O
Chip enable signal output to the flash memory (IC804)
—
Ground terminal
O
Output of power on/off control signal for the back light in display unit "H": power on
O
Bus on/off control signal output to the bus interface (IC503) (for SONY bus) "L": bus on
Output of power on/off control signal for the external device
O
"H": power on Not used (open)
O Reset signal output terminal "L": reset
O
Address signal output terminal Not used (open)
O
Address signal output terminal Not used (open)
Input of personal computer connection detection
I "H": When display panel is attached at front panel position
"L": When personal computer communication accessory is attached
O
Address signal output terminal Not used (open)
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Function