Circuit Boards Location; Ic Pin Description - Sony XV-D1000 Service Manual

3-2. CIRCUIT BOARDS LOCATION
MB-61
(LINE A MEMORY)
(LINE B MEMORY)
PS-309
(POWER LED)
FS-67
(FRONT INPUT)
(DIGITAL VIDEO/
MAIN CONTROL)
CT-48
(CONTROL TERMINAL)
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3-3. IC PIN DESCRIPTION
+ 1C37 M37702M4 MAIN MICROCOMPUTER (DV-11 Board)
40 BUS4 oO (GATE ARRAY)
41 BUS3 ie) WIPE MICROCOMPUTER-OUTPUT ONLY
42 BUS2 oO MEMORY MICROCOMPUTER-OUTPUT ONLY
43 BUSI ie) SYSTEM DATA BUS (8-BIT PARA)
44 BUSO fe)
45 IOWR fe] V/O EXPANDER WRITE L: ACTIVE
46 10CS oO 1/0 EXPANDER CHIP SELECT L: ACTIVE
48 WIPE CLK (eo) WIPE MICROCOMPUTER DATA SHIFT CLOCK
49 CO RESET fe) MEMORY & WIPE MICROCOMPUTER RESET
50 MEM BUSY I MEMORY MICROCOMPUTER BUSY (CAN'T RECIEVE DATA)
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