Panasonic KX-AT7730RU (serv.man2) Service Manual ▷ View online
14
KX-AT7730 Series
5 Location of Controls and Components
5.1.
Name and Locations
KX-AT7730
PROGRAM
MESSAGE
INTERCOM
FLASH/RECALL
FWD/DND
CONF
PAUSE
AUTO ANS
AUTO DIAL TRANSFER
MUTE
STORE
ABC
DEF
JKL
GHI
MNO
TUV
PQRS
WXYZ
REDIAL
HOLD
SP-PHONE
1
2
3
4
4
6
7
8
9
5
Headset Jack
LCD (Liquid Crystal Display)
RINGER Volume Selector
12
13
16
14
15
10
11
Microphone
* The headsets can be used with this unit. (Not all operations with the headsets can be guaranteed.)
For up-to-date information about headsets that have been tested with this unit, refer to the following
web sites: https://panasonic.net/cns/pcc/support/pbx/
web sites: https://panasonic.net/cns/pcc/support/pbx/
RINGER
15
KX-AT7730 Series
7
AUTO DIAL/STORE: Used for speed
dialing or storing program changes.
dialing or storing program changes.
8
TRANSFER: Used to transfer a call to
another party.
another party.
9
REDIAL (ordinarily): Used to redial.
10
HOLD: Used to place a call on hold.
11
SP-PHONE (Speaker Phone):
Used for the hands free operation.
Used for the hands free operation.
12
Navigator Key: Used to adjust the
volume and the display contrast or
select desired items for each function.
volume and the display contrast or
select desired items for each function.
14
PAUSE: Used to insert a pause during
dialing.
dialing.
15
MESSAGE: Used to leave a message
waiting indication or call back the party
who left the message waiting indication.
waiting indication or call back the party
who left the message waiting indication.
16
Message/Ringer Lamp: The Message/
Ringer lamp informs you visually that you
have a message or a call.
Ringer lamp informs you visually that you
have a message or a call.
• When you receive a call, the lamp flashes
depending on the ringing pattern. When
someone has left you a message, the
lamp is lit continuously.
someone has left you a message, the
lamp is lit continuously.
• When the ringing pattern is set to Single
(Slow flash), Double (Moderate flash), or
Triple (Rapid flash) in your PBX, the lamp
flashes. When the other ringing patterns
are set in your PBX, the lamp may not
flash. (e.g., S-Double, Call Waiting
Tone1).
Triple (Rapid flash) in your PBX, the lamp
flashes. When the other ringing patterns
are set in your PBX, the lamp may not
flash. (e.g., S-Double, Call Waiting
Tone1).
13
Flexible Outside (CO) Line Button:
Used to make or receive an outside call.
Pressing this button seizes an idle outside
line automatically. (Button assignment is
required.) Also used as the desired
function buttons. (Button assignment is
required.)
Used to make or receive an outside call.
Pressing this button seizes an idle outside
line automatically. (Button assignment is
required.) Also used as the desired
function buttons. (Button assignment is
required.)
6
AUTO ANS (Auto Answer):
Used to receive an
Used to receive an
incoming call in
the hands-free mode.
MUTE: Used to mute the
microphone during a conversation.
microphone during a conversation.
1
PROGRAM: Used to enter and exit the
programming mode.
programming mode.
4
FWD/DND (Call Forwarding/Do Not
Disturb): Used to perform Call Forwarding
or Do Not Disturb.
Disturb): Used to perform Call Forwarding
or Do Not Disturb.
5
FLASH/RECALL: Used to disconnect the
current call and make another call without
hanging up.
current call and make another call without
hanging up.
2
CONF (Conference): Used to establish a
multiple party conversation.
multiple party conversation.
3
INTERCOM: Used to make or receive
intercom calls.
intercom calls.
16
KX-AT7730 Series
6 Installation Instructions
6.1.
Connections
CAUTION
Ensure the cord is inserted in the groove
to prevent damage to the connector.
to prevent damage to the connector.
To the main unit ( )
TO MAIN UNIT
/PABX
The telephone line cord
(included)
(included)
Headset
Note
• Panasonic assumes no responsibility for injuries or property damage resulting from
failures arising out of improper installation or operation inconsistent with this
documentation.
documentation.
17
KX-AT7730 Series
7 Troubleshooting Guide
7.1.
NO OPERATION
Yes
No
Is 6-24 V input at the Pin1 of IC7?
Check D2.
No
Check IC7.
No
Yes
Is +6 V output at the Pin3 of IC7?
Yes
Does an oscillation signal (20 MHz) appear
at Pin7 (OSC1) of IC1?
at Pin7 (OSC1) of IC1?
No
Check IC1, IC2 and LCD module.
Check IC2 and X1.
No
Check D1, Q1, T1, Q3, Q4, Q21, Q22, IC10 and Q8.
Yes
Is time indicated on the LCD in an On-Hook
state?
state?
Is a dial tone sent from the handset when
Off-Hook?
Off-Hook?
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