DOWNLOAD Panasonic KX-TEB308UA / KX-TE82460X / KX-TE82493X / KX-A227X Service Manual ↓ Size: 5.86 MB | Pages: 121 in PDF or view online for FREE

Model
KX-TEB308UA KX-TE82460X KX-TE82493X KX-A227X
Pages
121
Size
5.86 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / ADVANCED HYBRID SYSTEM
File
kx-teb308ua-kx-te82460x-kx-te82493x-kx-a227x.pdf
Date

Panasonic KX-TEB308UA / KX-TE82460X / KX-TE82493X / KX-A227X Service Manual ▷ View online

5. Remove the 1 screws (A).
6. Remove the power supply board cover.
7. Pull out the 4 connectors.
8. Remove the 2 screw (B) and 1 screw (A).
9. Remove the power supply board.
10. Remove the 2 screw (B).
11. Remove the CO board.
12. Pull out the 1 connector.
13. Remove the 2 screws (A) and 1 screw (B).
14. Remove the main board.
Procedure:
     • 
• 
• 
• Insert the SW CABLE into AC POWER SWICH.
Caution:
     • 
• 
• 
• Be sure each colored wire is inserted to the correct lug (very important).
13
KX-TEB308UA
9
 BLOCK
DIAGRAM
9.1.
 SYSTEM
BLOCK
DIAGRAM
14
KX-
TEB30
8UA
9.2. POWER BLOCK DIAGRAM
9.3. KX-TEB308UA MAIN BLOCK DIAGRAM
KX-TEB308UA 1AP BLOCK DIAGRAM
 
Ho
st i/f
 
Q1-4,TOE1,2,STD1,2
TONE
 
25Hz
 
CROSS 
POINT  
ROM 
SRAM 
DTMFR(1,2) 
(For EXT) 
PIO 
ASIC 
BELL 
TONE
(I/O)HOOK1-8,BELL1-8
 
620,425Hz  
CO CID
 
CONNECTOR
 
D-Sub 
POWER UNIT
 
CONNECTOR
 
USB
 
CO1-3
EXT1-8
I/O,DTMFG
 
BGM 
PAGE
 
CO
(2AP)
 
Card 
 
CONNECTOR 
ASIC
 
8086
 
DSP
 
P I O
 
APT i/f 
BV Card
 
CONNECTOR 
TAM1-2,TONE 
 
(APT i/f)PRX,PTX,PTXE1-3 
(UART)RXD,TXD
 
 
 
EXT1  
EXT2  
EXT3  
EXT4  
EXT5  
EXT6  
EXT7  
EXT8  
Ringer 
Circuit 
Door Phone
 
Door Opener
 
CONNECTOR 
DOOR1,2
 
 
Int CID(FSK,DTMF) 
OGM,Modem 
 
CN708
CN707
CN701
CN706
CN710
CN704
CN703
IC601
IC602
IC603
IC705
IC704
IC700
IC7, IC8
IC606, IC607
15
KX-TEB308UA
9.4. KX-TEB308UA CO BLOCK DIAGRAM
9.5. KX-TEB308UA POWER SUPPLY UNIT BLOCK DIAGRAM
KX-TEB308UA POWER SUPPLY UNIT BLOCK DIAGRAM
AC IN
L
FUSE
Surge
Protector
Noise
Control
Over
Current
Detection
Circuit
Filter
Rectifier
Primary
Secondary
&
Smoother
Rectifier
Voltage
Detection
&
Smoother
N
FG
Battery
+24V
+27V
+15V
GND
GND
SW
Back-up
Adaptor
DC-DC
Converter
+3.3V
DC-DC
Converter
CN1
F1
Z1
L1
D10 ~ D13
C5
IC1
PC1
Q1
R30, R31
D101, C101
IC101
RL501
Q503
IC201
IC301
16
KX-TEB308UA
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