Sony D-E700, Руководство по обслуживанию

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Pin No. Pin Name I/O Function
39 SDTO O Serial data output to the D-RAM controller (IC601) (for ESP)
40 SDTI I Serial data input from the D-RAM controller (IC601) (for ESP)
41 SCK O Serial data transfer clock signal output to the D-RAM controller (IC601) (for ESP)
42 FOK I Focus OK signal input from the RF amplifier (IC501) “H”: OK, “L”: NG
43 BUSY I Busy signal input from the BU9325KS (IC502) “L”: track jump mode, “H”: servo loop on
44 BEEP O Beep sound output to the headphone amplifier (IC302)
45 SCOR I Sub-code sync (S0+S1) detection signal input from the BU9325KS (IC502)
46 IRMC I Sircs input/attenuate display selection signal input terminal Fixed at “L” in this unit
47 VDD — Power supply terminal (+3V)
48 to 51 COM3 to COM0 O Common drive signal output to the liquid crystal display on the switch unit
52 VREFH I Reference voltage input terminal (+3V) (for A/D converter)
53 VREFL I Reference voltage input terminal (0V) (for A/D converter)
54 ESPSL/TEST I Service mode setting terminal “L”: service mode, Normally: “H”
55 KEY I Key input from the switch unit (A/D input)
56 RMKEY I Key input from the headphone with remote commander (A/D input)
57 DCINMNT I DC in voltage detection input terminal (A/D input) Also used for DC IN detection
58 BATMNT I
Battery voltage detection input terminal
Also used for rechargeable battery/dry battery detection
59 CHGMNT1 I Battery charging voltage detection input from the MPC18A26 (IC401)
60 VSS — Ground terminal
61 CHGMNT2 I
Battery voltage detection input terminal (A/D input)
Also used for rechargeable battery/dry battery detection
62 OSMNT I DSP offset voltage adjustment voltage monitor input from the BU9325KS (IC502)
63 to 77 SEG0 to SEG14 O Segment drive signal output to the liquid crystal display on the switch unit
78, 79 SEG15, SEG16 O Segment drive signal output terminal Not used (open)
80 XEC4 I/O Error correction “L”: quadruple correction, “H”: double correction