Panasonic KX-TEB308UA / KX-TE82460X / KX-TE82493X / KX-A227X Service Manual ▷ View online
23.2. LOCATION OF OPTIONAL CARDS
23.2.1. 2-Port Doorphone Card (KX-TE82460X)
Function
Supports the connection of 2 doorphones and 2 door openers.
1. Loosen the screws and open the cable and front covers.
2. Before installing the optional service card, cut and remove the dummy cover from the main unit.
1. Loosen the screws and open the cable and front covers.
2. Before installing the optional service card, cut and remove the dummy cover from the main unit.
3. Attach the 2-Port Doorphone Card to the main unit, connect the cord to the Doorphone Card Connector and secure the
screws.
screws.
4. Close the covers and secure the screws.
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KX-TEB308UA
23.3. DOORPHONE/DOOROPENER CARD BLOCK DIAGRAM
C
O
N
N
E
C
T
O
R
O
N
N
E
C
T
O
R
nCS,nRD,nWR
nRESET
A[2:1]
Serge
EMC
Door Detect
Power
Crt
+15V
#2
P-I/O
D[7:0]
VAG (6V)
Door Opene
Relay #A
+15V
CN3
CN1
#1
DOOR1
TONE
DOOR_SW1
DOPN1
CN2
DG
AG
Hook Detect
Door Opene
Relay #B
DOOR2
TONE_SW1
BUSY1
DCN1
DHK1
DOPN2
+3.3V
KX-TE82460X BLOCK DIAGRAM
IC2
IC1
IC5
IC11
IC6
IC7
IC8
IC7
IC8
23.4. EXPLANATION OF BLOCK DIAGRAM/CIRCUIT OPERATIONS
23.4.1. OPTION CARD (KX-TE82460X)
This doorphone/door opener card is composed of the control interface with KX-TEB308 and two doorphone interfaces and two
dooropener interfaces section.
1) Doorphone section
dooropener interfaces section.
1) Doorphone section
This card has two doorphone interfaces, this system has only two door phone intercom paths.
This doorphone intercom path is composed of the send amplifier and receive amplifier circuits.
The interfaces have the doorphone connect detection circuit and the doorphone hook detection circuit.
This doorphone intercom path is composed of the send amplifier and receive amplifier circuits.
The interfaces have the doorphone connect detection circuit and the doorphone hook detection circuit.
2)
This doorphone/dooropener card has four dooropener interfaces. These interfaces are used for the dooropener SW (DC 30/AC
250 5A).
250 5A).
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KX-TEB308UA
23.5. TROUBLESHOOTING GUIDE
23.5.1. Can Not Call From Doorphone
23.5.2. Can Not Talk
23.5.3. Can Not Use Dooropener
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KX-TEB308UA
23.6. IC DATA
23.6.1. IC6
Pin No.
Pin Name
I/O
Description
3
DHK1
I
DOOR Hook detection
4
DHK2
I
Reserve
7
DHK3
I
DOOR Hook detection
8
DHK4
I
Reserve
13
DCN1
I
DOOR Phone Connection Detection
14
DCN2
I
Reserve
17
DCN3
I
DOOR Phone Connection Detection
18
DCN4
I
Reserve
2
DOOR_SW1
O
Connect DOOR 1 to Port 1
23.6.2. IC7, IC8
23.6.2.1. IC7
Pin No.
Pin Name
I/O
Description
5
TONE_SW1
O
Connect Tone to Port 1
6
DOOR_SW2
O
Reserve
9
TONE_SW2
O
Reserve
12
DOOR_SW3
O
Connect DOOR 2 to Port 3
15
TONE_SW3
O
Connect Tone to Port 3
16
DOOR_SW4
O
Reserve
19
TONE_SW4
O
Reserve
23.6.2.2. IC8
Pin No.
Pin Name
I/O
Description
2
BUSY1
O
Power Supply Function
5
BUSY2
O
Reserve
6
BUSY3
O
Power Supply Function
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KX-TEB308UA
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