IBM 9493-AG1, Service Manual

Page: 11 / 41

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Digital
Video
Pre Amp +
ADC +PLL
(AD9884)
R
G
B
Power Connector
REG
I2C
Control
OSD
EEPROM
(24LC16B)
Link Connector
Control
Signal
DVI-
Analog
Cable
8 BIT
8 BIT
8 BIT
+24V +24V
3.3 VD 3.3 VA
H/V Sync POL/DET
+5V
+3.3V
MEMORY
2M Byte X 3
ADDR
DATA
10
16
/RD
/WR
24
SOG-Out
I2C
+5VST
I2C
REG
+5V ST
+3.3V
Digital
Video Processor
(MX88L281)
System Controller
(MC68HC05BD32)
DDC
EEPROM
(24C02)
Sync Process
(M52347FP)
Switching
(MC14066)
V-sync2
H-sync2
H-sync3
H-sync
V-sync
V-sync3
Clamp
5VST
OSD
Generation
(LSC3862DW
)
REG
+5V
H-sync
H-sync
I2C
G
H-sync
Detect
BLOCK DIAGRAM