Sony XES-Z50 Service Manual page 62

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Pin No. Pin Name
82 NIL
83 NIL
84 CONTR
85 DIMER
86 AVSS
87 NCO
88 SRAM-CS
89 NIL
90 ROM-CS
91 BOOT
92 VSS
93 NCO
94 NCO
95 LCD RST
96 NCO
97 BEEP
98 NCO
99 LCD-CS
100 A20
TE
L 13942296513
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I/O
I
Not used (fixed at "L")
I
O Contrast alignment signal output to the liquid crystal module (D/A output)
O
Back light brightness control signal output to the liquid crystal module (D/A output)
—
Ground terminal (for A/D conversion)
O
Not used (open)
O Chip enable signal output to the S-RAM (IC932)
I
Not used (fixed at "L")
O
Chip enable signal output to the flash memory (IC931)
I
Not used (fixed at "H")
— Ground terminal
O
Not used (open)
O
Not used (open)
O
Reset signal output terminal "H": reset Not used (open)
O
Not used (open)
O Beep sound drive signal output terminal
O
Not used (open)
Output of chip enable signal to the LCD controller for liquid crystal module The OR signal
with HWR (pin &¡) is used as a latch signal to the LCD controller for liquid crystal module
O
"L" is output at the LCD controller data transmission
O
Address signal output terminal Not used (open)
x ao
y
i
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Function
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