23.3. DOORPHONE/DOOROPENER CARD BLOCK DIAGRAM
C
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-TE82460NE BLOCK DIAGRAM
IC2
IC1
IC5
IC6
IC7
IC8
23.4. EXPLANATION OF BLOCK DIAGRAM/CIRCUIT OPERATIONS
23.4.1. OPTION CARD (KX-TE82460NE)
This doorphone/door opener card is composed of the control interface with KX-TEA308 and two doorphone interfaces and two
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.
2)
This doorphone/dooropener card has four dooropener interfaces. These interfaces are used for the dooropener SW (DC 30/AC
250 5A).
95
KX-TEA308NE
Summary of Contents for KX-TEA308NE
Page 5: ...1 2 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 5 KX TEA308NE ...
Page 6: ...6 KX TEA308NE ...
Page 12: ...6 NAMES AND LOCATIONS 7 CONNECTION 7 1 SERIAL INTERFACE CONNECTION 12 KX TEA308NE ...
Page 15: ...9 BLOCK DIAGRAM 9 1 SYSTEM BLOCK DIAGRAM 15 KX TEA308NE ...
Page 27: ...27 KX TEA308NE ...
Page 39: ...12 2 NO DIAL TONE 39 KX TEA308NE ...
Page 40: ...12 3 CANNOT DIAL 40 KX TEA308NE ...
Page 42: ...12 7 CANNOT SEND DTMF DIALING 12 8 CANNOT RECEIVE CALL DIAL TONE 42 KX TEA308NE ...
Page 43: ...12 9 CANNOT SEND A HOLD ON MUSIC 43 KX TEA308NE ...
Page 47: ...14 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 47 KX TEA308NE ...
Page 49: ...16 FIXTURES AND TOOLS 49 KX TEA308NE ...
Page 50: ...17 CABINET AND ELECTRICAL PARTS LOCATION 50 KX TEA308NE ...
Page 51: ...18 ACCESSORIES AND PACKING MATERIALS 51 KX TEA308NE ...
Page 65: ...65 KX TEA308NE ...
Page 92: ...23 KX TE82460NE 2 PORT DOORPHONE CARD 92 KX TEA308NE ...
Page 93: ...23 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 93 KX TEA308NE ...
Page 105: ...24 KX TE82492NE 2 CHANNEL VOICE MESSAGE CARD 105 KX TEA308NE ...
Page 106: ...24 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 106 KX TEA308NE ...
Page 110: ...24 5 TROUBLESHOOTING GUIDE 24 5 1 PBX cannot work 110 KX TEA308NE ...
Page 111: ...24 5 2 Cannot Erase 24 5 3 Cannot Record Playback 111 KX TEA308NE ...
Page 119: ...25 KX TE82493NE 3 PORT CALLER ID CARD 119 KX TEA308NE ...
Page 120: ...25 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 120 KX TEA308NE ...
Page 133: ...26 KX A227X BACK UP BATTERY CABLE 133 KX TEA308NE ...
Page 134: ...26 1 ACCESSORIES AND PACKING MATERIALS 134 KX TEA308NE ...