DM-1500 (serv.man2). AR1500 1505-Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 114

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PIN
No.
Pin name
Signal name
IN/OUT
Destination
Function
277
SYSAD3
SYSAD3
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
278
SYSAD4
SYSAD4
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
279
SYSAD5
SYSAD5
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
280
SYSAD6
SYSAD6
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
281
V
CC
3.3V
IN
Power source
282
GND
GND
IN
GND
283
SYSAD7
SYSAD7
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
284
SYSAD8
SYSAD8
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
285
SYSAD9
SYSAD9
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
286
SYSAD10
SYSAD10
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
287
SYSAD11
SYSAD11
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
288
SYSAD12
SYSAD12
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
289
SYSAD13
SYSAD13
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
290
V
CC
3.3V
IN
Power source
291
GND
GND
IN
GND
292
SYSAD14
SYSAD14
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
293
SYSAD15
SYSAD15
IN/OUT
CPU, 16M FLASH, 8M FLASH,
74LVC16245
System address data bus
294
GND
GND
IN
GND
295
GND
GND
IN
GND
296
V
CC
3.3V
IN
Power source
DM-1505
11  – 25

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