Sony WM-FX855 Service Manual page 20

Pin No. Pin Name I/O
54 NC —
55 LCD13 O
56 NC —
57 CE O
58 RQT I
59 NC —
60 BEEP O
61 PRE AMP CTL O
62 DDC (TC) ON O
63 TC CLK O
64 TC DATA I
Not used for this set (Open)
Output of segment signal to the LCD
Not used for this set (Open)
Output of chip enable control signal
Input of request signal for MB89133LPFV communication
Not used for this set (Open)
Output of beep sound
Preamplifier output switching
Output of DC-DC converter control signal
Communication clock input/output terminal
Communication data input/output terminal
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Function
" L ": TC, " H ": RADIO