CKDC-MP575
4
●
SWITCH UNIT (X16-3370-13)
Ref. No.
Application / Function
Operation / Condition
IC3
REMOTE SENSOR
IC4
VFD DRIVER
Q21
PAN SW5V
“ON” when the base goes “H”.
COMPONENTS DESCRIPTION
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM
µ
-COM : IC1 on X34- (ELECTRIC UNIT)
Pin No.
Active
Pin Name
I/O
Application
Processing Operation
(H/L)
1
DC ERR
I
DC offset detection input
2
LINE MUTE
I
Phone detection
NAVI MUTE : Over 2.5V, TEL MUTE : Below 1V
3
ROTARY CW
I
Rotary encoder input
4
AVSS
-
I
E-VOL setting switch
Refer to “TUN TYPE” on the TRUTH TABLE
I
E-VOL setting switch
Refer to “TUN TYPE” on the TRUTH TABLE
-
I
Data input from VFD driver
O
Data output to VFD driver
O
Clock output to VFD driver
O
Reset output to VFD driver
Display OFF, Key reset, TDF panel OFF : L
Display ON, Key scan : H
12
VFD CE
O
Chip enable output to VFD driver
13
ROTARY CCW
I
Rotary encoder input
14
L
TDF DET
I
TDF panel detection
TDF panel OFF : H, TDF panel ON : L
15
PWIC BEEP
O
Beep output
16
LX DATA S
I
Data from slave unit
17
LX DATA M
O
Data to slave unit
18
LX CLK
I/O
LX-BUS clock
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