Panasonic Easa-Phone VA-208 Installation Manual page 119

Service Check Point-5
No CO incoming call . . . .
In case of the A-K communication of TEL is normal
* In case of COLI
(1) Does CO incoming call data input to IC4 (pin No.40)?
r' --
CO incoming call-l
i
-
signal
L --
2
) Does it output?
(2) Does the control data output from IC6 to ICI0 when the CO incoming call data is input to IC4 (pin
No. 4O)?
In case of TEL1 programed to be sounds.
1
4
r-j
I ,
sA
3
ICI0
I I
2
I I
I I
1
I
I I
IC6 40
I I
39
I I
I
I i
4DO
I
f
/
Cross
/'
I ' X2 17
I
37
I ;
I ,
I
I
I
t
STR Ql5v
DO+'
I I
A-
8tiV
I I
I I
Cp
! I
point (2)
Tone
Unit
R103
I
Cl05
I
v
RI04
I
k - Does CO incoming call tone output?
TEL1
Dp
/ / - -
Can it be input condition?
E II
T ----_
/
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