Sony CDX-V3800, Service Manual

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31
CDX-V3800
Pin No. Pin Name I/O Pin Description
64 ACC IN I Accessory power supply detect signal input
65 SIRCS I Remote control signal (infrared rays) input
66 NC — Not used in this set. (Fixed at “L”.)
67 PAK BK I Test mode detect signal input
68 FLASH W I
Memory mode changeover signal input
Normally “H” input (single chip mode) “L” after reset: Flash write mode
69 to 71 NC — Not used in this set. (Open)
72 DOOR SW I
Front panel open/close detect signal input
“L” input: Panel close, “H” input: Panel open
73, 74 NC — Not used in this set. (Fixed at “H”.)
75 XKEY ON O Key power supply control signal output Pin rj (KEY ACK) active: “L” output
76 NC — Not used in this set. (Open)
77 RESET I Reset signal input
78 NC — Not used in this set. (Open)
79 X1A — Oscillator connect pin (32.768 kHz)
80 X0A — Oscillator connect pin (32.768 kHz)
81 VSS — Ground pin
82 X0 — Oscillator connect pin (3.68 MHz)
83 X1 — Oscillator connect pin (3.68 MHz)
84 VCC+3.3 — Power supply pin (+3.3 V)
85, 86 NC — Not used in this set. (Open)
87 CD ON O CD power on/off control signal output
88 NC — Not used in this set. (Open)
89 TEST MODE I Test mode pin
90 MP O MP mode select signal output
91 NC — Not used in this set. (Open)
92 CD IN SW I CD mechanism IN-SW detect signal input
93 CD LOAD O CD mechanism loading motor control signal output
94 EJECT O CD mechanism eject motor control signal output
95 D SW I CD mechanism DSW detect signal input
69, 97 NC — Not used in this set. (Open)
98 CD XRST O CD servo reset signal output
99 NC — Not used in this set. (Open)
100 NC — Not used in this set. (Open)