Sharp AR-P13 Service Manual page 97

1. Circuit Description
The electric circuits of the printer function are described in this chapter.
U24
Power PC
200MHz
PD0~63
PA0~31
PA0~31
PD0~63
U25
Double Finger
U4
Reset IC
U43
Clock GEN.
U51,52
MD0~63
SDRAM
U23,27
MA0~12
16MB
SDRAM
Address
BA0
Buffer
U18~21
System
Address
Buffer
U44~46
Data Bus
Transceiver
SD0~63
SA25~31
SD0~15
SA15~31
SD15~31
SD0~31
SD32~63
SD0~15
SD16~31
SA23~29
SD0~7
SA6,7,15,22,28~31
U26
Parallel
Controller
U31~34,
36,37
Buffer
U13
SD0~7
RECTOR
RECTOR
U41,42 RD0~31
Buffer
U15,16
RD0~31
Buffer
LD0~15 LD0~31
U11
U38,39
Transceiver
Buffer
U12 LD16~31
Transceiver
LD0~31
U2
U8
LA23~29
Buffer
PCI
I/F
Controller
U7
EEPROM
U3
PLD
2-1
MD0~63
MA0~12
J9
BA0
SA0~31
SD0~63
J8
SA0~31
SD0~63
J6
IEEE-1284
J10
SA15~31
ND0~15
J2
SA16~31
J3 Ethernet Connector
SD16~31
RD0~31
RD0~31
PCI Bus
J1
J5
SDRAM
DIMM
ROM SIMM 0
(PROGRAM x1)
HDD
Not used
Computer
Print
Server
Card
AR-650