From 1adc6c4807fa1963bfed109f08b9de8a886de419 Mon Sep 17 00:00:00 2001 From: Lord-Nightmare Date: Wed, 10 Dec 2014 13:53:56 -0500 Subject: [PATCH] (MESS) Update Victor 9000 keyboard diagram [Lord Nightmare] --- src/mess/machine/victor9kb.c | 42 +++++++++++++++++++----------------- 1 file changed, 22 insertions(+), 20 deletions(-) diff --git a/src/mess/machine/victor9kb.c b/src/mess/machine/victor9kb.c index c4efbb1bfee..a2b43fa77b6 100644 --- a/src/mess/machine/victor9kb.c +++ b/src/mess/machine/victor9kb.c @@ -11,33 +11,35 @@ /* -PCB Layout +Keyboard PCB Layout ---------- -A65-02307-201D +Marking on PCB back: A65-02307-201D 007 -|-----------------------------------------------------------------------| -| 22-008-03 22-050-3B 8021 74LS14 CN1| -| ?MHz | -| | -| | -| | -| | -| | -| | -| | -| | -| | -|-----------------------------------------------------------------------| +|------------------------------------------------------------------------------------= +| 22-908-03 22-950-3B . XTAL 8021 74LS14 [804x] [EPROM] [???] CN1=___ +| X X X X X X X X X X X | +| X X X X X X X X X X X X X X X X X X X X X | +| X X X X X X X X X X X X X X X X X X X X X | +| X X X X X X X X X X X X X X X X X X X X X | +| X X X X X X X X X X X X X X X X X X X X | +| X X marking X X X X X X X X | +|----------------------------------------------------------------------------------------| + Notes: All IC's shown. + XTAL - 3.579545Mhz Crystal, marked "48-300-010" (front) and "3.579545Mhz" (back) + 8021 - Intel 8021 MCU, marked: "iP8021 2137 // 8227 // 20-8021-139 // (C) INTEL 77" + 22-908-03 - Exar Semiconductor XR22-008-03 keyboard matrix capacitive readout latch + 22-950-3B - Exar Semiconductor XR22-050-3B keyboard matrix row driver with 4 to 12 decoder/demultiplexer + CN1 - keyboard data connector (SIP, 7 pins, right angle) - 8021 - Intel 8021 "70-8021-130?" - 22-008-03 - Exar Semiconductor XR22-008-03 keyboard matrix capacitive readout latch - 22-050-3B - Exar Semiconductor XR22-050-3B keyboard matrix row driver with 4 to 12 decoder/demultiplexer - CN1 - keyboard data connector - + [804x] - unpopulated space for a 40 pin 804x or 803x MCU + [EPROM] - unpopulated space for an EPROM, if a ROMless 803x MCU was used + [???] - unpopulated space for an unknown NDIP10 IC or DIP-switch array + X - capacitive sensor pad for one key + marking - PCB trace marking: "KTC // A65-02307-007 // PCB 201 D" */ #include "victor9kb.h"