Operation Board Section - Panasonic KX-FL612CX Service Manual

KX-FL612CX / KX-FL612CX-S

7.12. OPERATION BOARD SECTION

The unit consists of a LCD (Liquid crystal display), KEYs and LEDs (light-emitting diodes). They are controlled by the Gate Array
(IC101) and Gate Array (IC605: on the DIGITAL BOARD).
The key matrix table is shown below.
G/A
IC605
DIGITAL BOARD
1. Key Matrix
a. Hard Scan
KIN0
KSL0 AUTO ANSWER
KSL1 QUICK SCAN
KSL2 COPY
KSL3 RESOLUTION
KSL4 FAX START
*LED7 should be set to KSL4. "8 x 5" key matrix is executed by hardware scanning.
b. Soft Scan
2. LED
• • • • AUTO ANSWER LED ON/OFF port---LED2
• • • • CALLER IQ LED ON/OFF port---LED3
CN606 CN102
KIN1 KIN2
CALLER IQ NEXT
S6 VOL-
---------- PREV
COLLATE ----------
---------- VOL+
SKIN0 (XLED8)
SKS0 (LED6) S10
SKS1 (XLED9)
SKS2 (XLED10)
LCD MODULE
CN101
GATE ARRAY IC
IC101
3x3
KEYS
MATRIX
(Soft)
KIN3 KIN4
STOP MENU
CID-SEARCH DIRECTORY/
PROGRAM
CID-PRINT ----------
S12 MONITOR
S11 HELP
KIN1 (XLED12)
S7
S4 S2
S5 S1
184
8x5
KEYS
MATRIX
(Hard)
LED
OPERATION BOARD
KIN5 KIN6
FLASH H/S MUTE
# 0
9 8
3 2
6 5
KIN2 (XLED11)
S9
S3
S8
KIN7
REDIAL/PAUSE
*
7
1
4