Casio QT 6000 Service Manual - Page 54

Lsi Block Diagram, Buzzer, Drawer Drive X 2, Compulsory Sw X 2, Load X 2, Clock X 2, Data X 2

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8-2. LSI BLOCK DIAGRAM CPU SH-4 SH-7751R 240MHz (IC26) SERIAL I/F ISDN(MODEM)PORT RS232C × 1 (COM1) SH BUS 80Mhz BUFFER (IC8, 13, 17) SDRAM 256MB (IC12) BUFFER (IC4, 5, 6, 7) GA (IC14) FROM 128MB (IC1) CF CARD SLOT RS232C × 5 (COM2ȁ6) 10M/100MBASE Ethernet IC (IC28) EEP ROM (IC35) LAN PORT ADPCM IC (IC15) Amplifier IC (IC18) MIC Sound Speaker RTC (IC19) PCI BUS 33Mhz PCMCIA IC (IC36) PCI CARD CARD BUS PC CARD IEEE802.11b SLOT IEEE802.11g LCDC IC (IC45) SVGA TFT PANEL (12.1inch) BUZZER TOUCH PANEL DISPLAY ON/OFF SW SERIAL I/F 3.3V 5V I/O CONTROLLER 78K4 12.5MHz (IC44) DRAWER DRIVE x 2 COMPULSORY SW x 2 LOAD x 2 CLOCK x 2 DATA x 2 INIT SW DRAWER PORT X 2 SOFT WARE KEY DALLAS KEY (OPTION) MCR (OPTION) - 52 -

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— 52 —
8-2. LSI BLOCK DIAGRAM
BUZZER
DRAWER DRIVE x 2
COMPULSORY SW x 2
LOAD x 2
CLOCK x 2
DATA x 2
SERIAL I/F
ISDN(MODEM)PORT
10M/100MBASE
SH BUS
80Mhz
PCI BUS
33Mhz
BUFFER
(IC8, 13, 17)
SDRAM
256MB
(IC12)
FROM
128MB
(IC1)
SVGA
TFT PANEL
(12.1inch)
TOUCH
PANEL
DALLAS
KEY
DISPLAY
ON/OFF
SW
DRAWER
PORT
X 2
SOFT
WARE
KEY
LCDC IC
(IC45)
SERIAL I/F
3.3V
5V
PCMCIA IC
(IC36)
PCI
CARD
CPU
SH-4
SH-7751R
240MHz
(IC26)
I/O
CONTROLLER
78K4
12.5MHz
(IC44)
PC CARD
SLOT
CARD BUS
IEEE802.11b
IEEE802.11g
BUFFER
(IC4, 5, 6, 7)
RS232C
×
1
(COM1)
CF CARD
SLOT
Ethernet
IC
(IC28)
EEP
ROM
(IC35)
LAN
PORT
ADPCM
IC
(IC15)
Amplifier
IC
(IC18)
MIC
Sound
Speaker
RTC
(IC19)
RS232C
×
5
(COM2
±
6)
GA
(IC14)
INIT SW
MCR
(OPTION)
(OPTION)