KX-TG2511UAM, KX-TG2511UAN, KX-TG2511UAS, KX-TG2511UAT, KX-TG2512UAM, KX-TG2512UAT, KX-TGA250RUM, KX-TGA250RUN, KX-TGA250RUS, KX-TGA250RUT (serv.man5) - Panasonic Telephone Service Manual Supplement (repair manual). Page 67

Read Panasonic KX-TG2511UAM / KX-TG2511UAN / KX-TG2511UAS / KX-TG2511UAT / KX-TG2512UAM / KX-TG2512UAT / KX-TGA250RUM / KX-TGA250RUN / KX-TGA250RUS / KX-TGA250RUT (serv.man5) Service Manual Supplement online

67
HOOK
BELL
PULSE_MUTE
HOOK
BELL
CHARGE_DET
PULSE_MUTE
HS_SUPPLY_DET
URX
UTX
KEYS_C
+6.5V
VBAT
HAK_CL1
C501
0.1u
R121
390k
R122
390k
+3.0V
C111
0.047u
C112
0.047u
+3.0V
DCP
CHARGE-
CHARGE+
+3.0V
ZA1
1
2
6
7
9
11
3
4
5
8
10
12
C302
NC
C361
1
u
C503
10u
+3.0V
VDDC
*RA151
NC
1
2
3
4
D361
NC
L501
100n
C110
0.047u
L2R
L1R
L1T
L2T
C103
N
C
R103
NC
D101
4
3
1
2
*R12
3
NC
(3216
)
*R124
10
(3216)
*Q140
R141
100k
R142
2.7
k
Q142
.
R144
NC
*C143
NC
*R145
2.2k
D141
18V
C142
0.01
u
Q161
C163
NC
R161 100k
C152
0.01u
C184
1u
C181
NC
R166
NC
*R11
7
NC
*R115
NC
*R116
NC
*R118
NC
F301
3A
D362
CHG+
*C115
NC
*C116
NC
C114
0.047u
+6.5V
Q141
Q111
D133
NC
D132
NC
5
1
D3
NC
D113
R658
NC
*R701
NC
*Q701
*C141
NC
C101
680p
C102
680p
C122
680p
C121
680p
R114
68k
*R148
10k
*R149
680
R162
NC
R165
27k
C113
0.01u
*Q702
R152
470
k
R702
1
k
*R164
2.7k
C165
NC
R113
22k
R111
1M
R112
47k
R373
N
NC
C
P101
SA10
1
R924
1k
*R169
47k
1
2
C104
NC
+6.5V
R10
4
NC
LINE_DC
VBAT
*R16
8
3
9
(0.5W)
R150
390
k
R374
NC
*R167
NC
*R101
100k
*R102
100
k
C304
1u
C309
NC
C310
1000p
IC301
3
VOUT
5
VIN
4
EXT
1
ON/*OF
F
2
VS
S
R303
4.7k
R301
120
C303
0.1u
C308
0.01u
R302
47
C311
NC
R306
680
Q302
4.7k
C341
@Dou
b
470
u
10
Q301
G
S
A
K
D
D301
D363
NC
R372
3.
9
(0.5W
)
R371
3.
9
(0.5W
)
DCM
L301
22u
SA102
NC
1
2
C307
100u
16
C900
1
p
DC_IN
C312
N
NC
C
REFERENCE
7XX : FOR DK/BT
3XX : POWER, CHARGE
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LC D
4XX : MIC, SP
1XX : TEL LINE
8XX : RF
DC Monitor
Caller ID
Bell detection
3.0V
DC/DC CONVERTOR
3.0V
6.5V
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
!
                                                                                                                 NC : No Components
                                                  KX-TG2511UA SCHMATIC DIAGRAM(Bese Unit) 
Loop Current
Charge Current
Bell signal

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