16
KX-TS620BX1
8.1.3.
Check Playback
Cross Reference:
Note:
BBIC is IC901.
Flash Memory is IC902.
8.1.4.
Check Record OGM/IGM
Cross Reference:
(P.9)
Note:
BBIC is IC901.
Flash Memory is IC902
YE
S
YE
S
YE
S
YE
S
NO
NO
NO
NO
Is volt
a
ge
a
t test point TP301 3.2V?
Check
Power
S
upply Circuit
.
Is there output sign
a
l
a
t test point TP902?
Check BBIC, IC902.
Is IC904 (1) input volt
a
ge high ?
Check IC905, BBIC.
Is there
b
ell ringing sign
a
l
a
t IC904 (5,
8
)?
Check
a
round R924, R925, C926~C930.
Check spe
a
ker
a
nd C925.
NO
NO
NO
NO
NO
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
Check MIC, fl
a
t c
ab
le connection, R932,
R934, C937.
Check OGM Record in
S
i
g
nal Route
.
Check BBIC
a
nd IC902.
Incomin
g
Me
ss
a
g
e (ICM) not recorded
Is the ME
SS
AGE indic
a
tor (LED) on ?
( Input
b
ell sign
a
l from LINE )
Is BBIC (63)
b
ecome low when
b
ell sign
a
l comes in?
Does the unit c
a
tch line
a
fter few ringings ?
Is there
a
ny sign
a
l
a
t BBIC (102) when incoming
mess
a
ge is recorded ?
Check BBIC
a
nd IC902.
Press AN
S
WER ON
b
utton.
Is the ME
SS
AGE LED on ?
Check LED
8
02
a
t oper
a
tion
b
o
a
rd.
Check
Bell Detection Circuit.
Check
On/Off Hook Circuit
Check ICM recording in
S
i
g
nal Route
.
Greetin
g
Me
ss
a
g
e (OGM) not recorded
Is there
a
ny sign
a
l
a
t BBIC (114), when MIC input
sign
a
l ?