Read Sony CFD-S27 (serv.man2) Service Manual online
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Pin No.
Pin name
I/O
Description
66
C-XLAT
O
Serial clock latch output for DSP (IC702).
67
R-MUTE
O
Radio mute signal output.
68
R-DATA
O
Serial data output to PLL (IC3).
69
R-CLK
O
Serial clock output to PLL (IC3).
70
R-CE
O
Chip enable output to PLL (IC3).
71
V
SS
–
Ground.
72
XTAL
O
System main clock output (4.19MHz)
73
NC
–
Not used (Open).
74
EXTAL
I
System main clock input (4.19MHz)
75
VREF
–
Not used (Open).
76
SHIFT-CLK
O
Shift clock output.
77
LD ON
O
Laser power ON/OFF control.
78 – 80
SEG21– 19
O
LCD segment output.
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