DOWNLOAD Panasonic KX-UT248RU / KX-UT248RU-B (serv.man3) Service Manual ↓ Size: 3.83 MB | Pages: 101 in PDF or view online for FREE

Model
KX-UT248RU KX-UT248RU-B (serv.man3)
Pages
101
Size
3.83 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / SIP PHONE
File
kx-ut248ru-kx-ut248ru-b-sm3.pdf
Date
PREV: Panasonic KX-UT133RU / KX-UT133RU-B / KX-UT136RU / KX-UT136RU-B (serv.man3) Service Manual

Panasonic KX-UT248RU / KX-UT248RU-B (serv.man3) Service Manual ▷ View online

65
KX-UT248RU/KX-UT248RU-B
(1)
(3)
(5)
(2)
(4)
6
5
8
7
C
E
B
A
D
F
DG
BKLT
001:2B
L101
DG
DG
C170
0.1u
C115
1u
C128
1000p
C129
0.01u
DL101
1
2
3
C113
1000p
C118
NC
L102
C176
1000p
R165
330
C194
NC
L105
HEADSET_SPOUT
001:4F
HEADSET_MIN
001:4D
C166
10u
C150
1u
R146
470
R166
2.2k
C165
1000p
R135
470
I2C_SDA
001:2B
ASICRST
001:2B
L103
OPE_VCC
003:A3
L104
R168 0
R169 0
L106
INT0
001:8C
DG
ASICCLK
001:2B
I2C_SCL
001:2B
C168
0.1u
C147
1000p
C151
0.1u
D104
BKLTP
SPN
OPE-GND
BKLTN
SPP
SP
HESMIC2
HESSPOUT2
5V
VDD50
3.3VA
D103
DG
L109
SN
5V_PNL
CN101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DG
DG
C145
1000p
C133
1000p
DG
L108
C152
330p
C153
330p
DG
AG
AG
C146 1000p
DG
R138 2.2
AG
C160
10u
KX-UT248
RU MAIN BOARD No.4 2/2
66
KX-UT248RU/KX-UT248RU-B
12.5. Ope Board
(1)
(2)
(3)
(6)
(4)
(8)
(9)
(5)
(7)
(10)
(24),(25)
C
E
B
A
D
F
3
4
2
1
SIGN14010
SIGN14005
ASIC_CLK
INT0
ASIC_RST
I2C_SCL
I2C_SDA
ASIC_CLK
DG
3.3V
C202 0.1u
L201
L203
L204
L205
C201 10u
5V
AG
C203 0.1u
HEADGND
L207
JK202
1
4
2
3
5
R202
10k
R2
220
HEADGND
3.3V
EHS_DET
C213
330p
AG
D202
EHS_DET
C1
NC
HEADGND
L208
C211
1000p
AG
C209 18p
HEADGND
R1
220
HOOK-SW
1
2
Q201
4.7k
10k
Q203
AG
5V
DG
C207 22u
MIC1
NC
1
2
HEADGND
R207
330
R211
1k
C214
NC
IC202
1
2
3
4
Q202
R209
33k
AG-PAD
C208 22u
R208
10k
EHS_TX
R206
330
R212
22
D206
21
EHS_RX
C212 18p
R210
0
R213
22
R201
10k
D204
21
R216
NC
AG
JK201
2
3
1
4
5
L206
MIC-
EHS_RX
AG
C204
NC
R214
NC
HEADGND
MIC+
EHS_TX
D205
21
D1
NC
1
2
D203
IC203
1
2
3
5
4
IC201
1
2
3
5
4
D201
R218
0
R205
0
CN201
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R203 150
R215
2.7k
C221 NC
C222
NC
AG
C223
0
.1u
AG
L210
AG
HEADGND
L202 1.5k
C210
2
1
C206
Plantronics
mini PCB
KX-UT248
RU OPERATION BOARD  1/2
67
KX-UT248RU/KX-UT248RU-B
(1)
(2)
(3)
(6)
(4)
(8)
(9)
(5)
(7)
(10)
(8)
G
R
G
R
G
R
G
R
G
R
G
R
G
R
G
R
6
5
8
7
C
E
B
A
D
F
INT0
ASIC_RST
I2C_SCL
I2C_SDA
KEYIN0
KEYIN1
KEYIN2
KEYIN3
KEYIN4
KEYIN5
LED_COM0
LED_COM1
LED_COM2
LED_STB0
LED_STB1
LED_STB2
LED_STB3
LED_STB4
LED_STB5
LED_STB6
LED_COM7
KEYIN1
LED_STB6
LED_STB5
LED_STB4
LED_STB3
LED_STB2
LED_STB1
LED_STB0
LED_COM0
LED_COM7
LED_STB0
LED_STB1
LED_STB2
LED_STB3
LED_STB6
KEYIN6
LED_COM3
LED_COM3
LED_COM1
LED_COM2
KEYIN3
LED_BELL_G
LED_BELL_R
LED_BELL_G
LED_BELL_R
KEYIN5
KEYIN6
KEYIN2
KEYIN0
KEYIN4
MESSAGE
7
UP
FWD/DND
1
2
1
2
1
2
1
2
1
2
1
2
1
2
FF31
D210
HOLD
DG
TRANS
SOFT4L
DOWN
1
C219
0.1u
FF41
D218
4
3
SOFT2R
AUTO-ANS
3.3V
FF61
FF71
D220
DG
2
DG
CANCEL
D209
SOFT1L
D207
ENTER
*
FF21
FF11
CONF
1
2
1
2
1
2
1
2
1
2
1
2
1
2
SOFT4R
#
D214
SOFT3R
FLASH/RECALL
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
D208
C217
0.01u
8
5
RIGHT
REDIAL
SP-PHONE1
D216
SOFT3L
DG
C218
0.1u
FF51
C216 0.1u
3.3V_L
R223
4.7k
R222
68
6
SOFT1R
0
SP-PHONE2
LEFT
9
IC204
1
CLKIN
12
KEYIN2
13
KEYIN3
23
LED_COM3
34
LED_COM6
14
KEYIN4
15
KEYIN5
16
KEYIN6
17
KEYIN7
18
VSS2
19
VDD2
20
LED_COM0
21
LED_COM1
22
LED_COM2
24
LED_STB0
25
LED_STB1
26
LED_STB2
27
LED_STB3
28
LED_STB4
29
LED_STB5
30
LED_STB6
31
LED_STB7
32
LED_COM4
33
LED_COM5
35
LED_COM7
36
VDD3
37
VSS3
38
INT_OUT0
39
INT_OUT1
40
TEST
41
RESET
42
SCS
43
SCLK
44
SDI
2
CLKOUT
3
VDD1
4
VSS1
5
SDO
6
GKEYIN0
7
GKEYIN1
8
PSBIN
9
PSBOUT
10
KEYIN0
11
KEYIN1
D221
SP-PHONE
A
D212
FF81
SOFT2L
BACK1
FORWARD1
R204 4.7k 1 2 3 45
6
7
8
1
2
3
45
6
7
8
L209
3.3V_L
R217
270
J250
J228
J240
J219
J256
J234
J262
J216
J259
J238
J233
J217
J210
J261
J214
J258
J232
J223
J218
J257
J204
J249
J239
J224
J209
J254
J260
J241
J245
J236
J229
J251
J252
J230
J235
J215
J242
J222
J243
J202
J231
J227
J212
J221
J237
J206
J208
J225
J213
J201
J246
J220
J203
J207
J255
J247
J253
FF12
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
FF22
FF32
1
2
1
2
1
2
1
2
1
2
1
2
1
2
FF42
FF52
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
FF62
FF72
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
FF82
D224
FF1
3
4
1
2
D219
FF2
3
4
1
2
D217
FF6
3
4
1
2
D213
FF5
3
4
1
2
D222
FF7
3
4
1
2
D223
FF8
3
4
1
2
D211
FF4
3
4
1
2
D215
FF3
3
4
1
2
BACK2
FORWARD2
J244
C220 22u
C215
22u
C205 22u
R226
33
R228
33
R225
150
R227
150
R231
150
J226
J248
J211
3.3u
J205
KX-UT248
RU OPERATION BOARD  2/2
68
KX-UT248RU/KX-UT248RU-B
12.6. Back Light Board 
R801
100
R802
100
R803
100
R804
100
D804
D803
D802
D801
BKLTN
BKLTP
KX-UT248
RU BACK LIGHT BOARD
Page of 101
Display

Click on the first or last page to see other KX-UT248RU / KX-UT248RU-B (serv.man3) service manuals if exist.

RANDOM: