Panasonic KX-MB2230JT - Page 83

83
KX-MB2230JT/ KX-MB2270JT/ KX-MB2515JT/ KX-MB2545JT/ KX-MB2575JT/ DP-MB310JT
KX-MB25**
The font data is sent from SOC (Main board) throgh the Gate Array(IC1) by serial interface.
The contrast is controled by Electronic Volume. LCD reset act at Low level.(RST)
CS0
RST
CD
SCL
SI
LCD UNIT
(COG TYPE)
COG:Chip on Glass
IC1
Timing Chart
Circuit Diagram
SCK
CD
SDA
Write
CS0
CS1
t
CSSAS8
t
CYS8
t
LPWS8
t
HPWS8
t
CSHS8
t
f
tr
t
DSS8
t
DHS8
t
ASS8
t
AHS8