Operation Panel; Operation Panel - Panasonic KX-F900 Service Manual

- KX-F900
10. OPERATION PANEL
The unit consists of LCD (Liquid crystal display), KEYs and LEDs (light-emitting diode). They are controlled by the Gate Ar-
ray (IC301) and AS IC (IC1 : On the DIGITAL BOARD). (Fig.-a)
ASIC
ICl
DIGITAL BOARD
CN51 CN301
I'
GATE ARRAY
IC301
DOCUMENT SENSOR
READ POS T ON SENSOR
(COG TYPE) I
I
I
I
t 2X2
KEYS
MATRIX
t 8X4
KEYS
MATRIX
LED
OPERATION BOARD
Fig-a DIAGRAM
Key Matrix
o"-.<
KS L0
KSL1
KSL2
KSL3
KIN 0
VOLUME
(S301)
ONE-TOUCH
4
($303)
ONE-TOUCH
1
($304)
KIN 1
STOP
(S305)
ONE-TOUCH
5
($307)
ONE-TOUCH
2
(S308)
KIN 2
START
/COPY/SET
($309)
J
LOWER
($311 )
ONE-TOUCH
3
(S312)
KIN 3
VOLUME
($313)
3
($314)
2
(S315)
1
(S316)
KIN 4
SP-PHONE
(S317)
MUTE
($318)
REDIAL/
PAUSE
(S319)
FLASH
(S320)
KIN 5
HELP
($321)
6
($322)
5
($323)
4
($324)
KIN 6
DI RECTORY
($325)
9
($326)
8
($327)
7
($328)
XLD 14
LED11
LOCATOR
INTERCOM
($335)
LED8
MEMU
($333)
RESOLUTION
($334)
KIN 7
AUTO
RECEIVE
($329)
#
($330)
0
($331)
-X--
($332)
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