Sony HCD-VX77 - Page 50

50
I/O FunctionPin No. Pin Name
46 BUS XWRL I Not used
47 LO. BOOST I Not used
48 AUDIO MUTE O Audio mute output “L” : mute (Not used)
49 LOAD OUT I Not used
50 LOAD IN I Not used
51 INSW I Not used
52 OUTSW I Not used
53 MODEL 1 I L : System input (Fixed at “L”)
54 MODEL 2 I L : System input (Fixed at “L”)
55 TBLL I Not used
56 TBLR I Not used
57 ENC 1 I Not used
58 ENC 2 I Not used
59 ENC 3 I Not used
60 — I Not used
61 — I Not used
62 VCC – +5V power supply
63 — I Not used
64 VSS – Ground
65 V. MUTE O Video mute output “L”
66 to 72 A6 to A0 I Not used
73 TEST LED O TEST LED for MPEG decoder
74 TEST 1 I Test mode for Video CD check
75 TEST 2 I Test mode for servo check
76 TEST 3 I Not used
77 DEVICE RESET O Device system rest output “L” : reset
78 STANDBY I Not used
79 FL CS I Not used
80 FL I Not used
81 to 88 D7 to D0 I Not used
89 MIC CTRL I Not used
90 KEY 1 I Not used
91 KEY 2 I Not used
92 KEY 3 I Not used
93 NY/PAL I NTSC/PAL select switch input (Not used)
94 MUSIC VOL I Not used
95 DSP DATA O Serial data output (IC101)
96 AVSS – A/D converter ground
97 DSP LATCH O Serial data latch output (IC101)
98 VREF I A/D converter reference voltage input (Connected to +5V)
99 AVCC – A/D converter +5V power supply
100 AMP. ON I Not used