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 ▷ View online
65
15 Schematic Diagram
15.1. For Schematic Diagram
15.1.1.
Base Unit (Base Unit (Main))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. The schematic diagrams may be modified at any time with the development of new technology.
15.1.2.
Handset (Handset)
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagram may be modified at any time with the development of new technology.
15.1.3.
Charger Unit (Charger Unit)
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. The schematic diagram may be modified at any time with the development of new technology.
66
15.2. Base Unit (Main)
EEP_SCL
EEP_SDA
EEP_WP
JTAG_TDO
JTAG_TC
K
JTAG_TMS
CHARGE_DET
SPI_DI
SPI_DO
SPI_CL
K
SPI_C
S
JTAG_RTCK
JTAG_TDI
JTAG_RTCK
SPI_D
I
SPI_D
O
SPI_CLK
SPI_C
S
EEP_W
P
EEP_SC
L
EEP_SDA
UTX
URX
HS_SUPPLY_DET
KEYS_C
KEYIN1
JTAG_TDO
JTAG_TDI
JTAG_TCK
JTAG_TMS
KEYIN1
C519
0.1u
C516
0.1u
C513
K2.2u
C185
NC
C52
0
0.1
u
C120
1000p
C508
10p
R509 NC
VBAT
VDDC
C517
0.1u
C518
0.1u
RSTN
C124
NC
C12
3
NC
RXn
TXp
TXn
RXp
GND
STM/CKM/P15
+3.0V
RTCK
VCCA
C506
1u
C502
10u
C505
10u
C51
11
0
u
C509
12p
12p
X501
13.824M
C504
1u
C521
1u
R501
10
+3.0V
+6.5V
C331
NC
VREF
+3.0V
*C164
0.033
TP10
C174
NC
NC
RXp
RXn
ANT1
12
TXn
TXp
GND
VBAT
GND
*C601
0.1u
R601
NC
+3.0V
+3.0V
IC611
64K EEPROM
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
VSS
5
SDA
C611
0.1u
R655
NC
C161
10u
C16
2
NC
C166
NC
R170
NC
*R51
1
N
C
C178
0.1u
Q171
*R160 390
*R15
9
470
R177 1k
*C171
0.022u
C18
6
NC
*C16
7
1200p
R158
4.7k
L502
100n
C515
1
u
SW1
NC
1
2
UR
X
UT
X
RA505
10k
1
2
3
4
5
6
7
8
TCK
TMS
TDI
TDO
VCCA
VDDC
C196
1u
R196
1k
R506
10k
R50
21
0
k
R503
10k
R504
10
k
L50
3
2.7n
GND
C819
10p
R195
3.9
k
C3FBLY000125
*IC601
8M FLASH
1
*CS
2
SO/SIO1
6
SCLK
7
NC/SIO3
3
*WP/SIO2
8
VCC
4
GND
5
SI/SIO0
R172
680k
GND
L504
6.8
n
C897
4p
GND
C510
1u
C895
2p
2p
C522
0.1u
R331
47k
R332
18k
GN
D
C193
0.022u
C195
560p
R191
150
C89
9
4p
GND
GND
C898
1p
C89
6
1p
C2HBCY000113
IC501
1
GPIO[20]
2
GPIO[21]
2
3
MIP
3
GPIO[22]
4
GPIO[23]
5
GPIO[24]
6
GPIO[25]
7
GPIO[26]
8
VDDC2
24
HSMI
N
25
HSMIP
26
MPWR
27
HSSPOUT
P
28
LOUT
29
SPOUTN
30
VCCPA
45 TXp
46 RXp
47 RXn
48 GND_RF
49 TRSW_p
50 ANT_n
51 ATST_n
52 ATST_p
81
GPIO[13]
82
GPIO[14
]
83
GPIO[15]
84
GPIO[16]
85
GPIO[17]
86
VDDIO2
87
GPIO[18]
88
GPIO[19]
89
GND
9
COREOUT
10
VBAT
11
DOUBCAPN1
12
DOUBCAPN
13
DOUBCAPP
14
DOUBCAPP1
15
DOUBOUT
16
DCIN0/LIN0
17
DCIN1
18
DCIN2
19
DCIN3/LIN1
20
VREF
21
VCCA
22
MIN
31
SPOUT
P
32
PWM
1
33
PWM0
34
DCINS
3
5
XOU
T
36
XIN
37
VBAT_APU
38
VDD_APU
39
VCC_IF
4
0
VDD_I
F
41
VCC_FE
42
ANT
43
TRSW_n
44
TXn
53 TEST
54 RSTN
55 NC
56 VCC_VCO
57 GPIO[27]
58 VDDUSB
59 DM_USB/GPI28
60 DP_USB/GPI29
61 VDDC1
62 JTAG_TDO
63 JTAG_TDI
64 JTAG_TCK
65 JTAG_TMS
66 JTAG_RTCK
67
GPIO[0]/SCL_IIC
68
GPIO[1]/SDA_IIC
69
GPIO[2]
70
GPIO[3]
7
1
GPIO[4]
7
2
GPIO[5]
73
GPIO[6]
74
GPIO[7
]
75
GPIO[8]
76
VDDIO1
77
GPIO[9
]
78
GPIO[10]
79
GPIO[11]
80
GPIO[12]
TO RF BLOCK
MODEL
open-stub
SL
W=2.0mm
L=10.8mm
open-stub
SL
W=2.2mm
L=5.0mm
open-stub
SL
W=2.9mm
L=3.8mm
SL
W=0.3mm
L=6.5mm
SL
W=0.3mm
L=12.45mm
SL
W=0.3mm
L=6.95mm
open-stub
SL
W=0.6mm
L=20mm
SL
W=0.2mm
L=20mm
MSL
Wm=0.4mm
Lm=10mm
Tx-balun
SL
W=0.3
L=40mm
Pre-matching
C=2.5pF
7.3mm2
7.3mm2
MSL
W=0.25
L=2mm
W=0.25
L=2mm
MSL
W=0.25
L=2mm
W=0.25
L=2mm
C=2.5pF
7.3mm2
7.3mm2
RF block
6.5V
MSL
Wm=0.2mm
Lm=1mm
MSL
Wm=0.2mm
Lm=9mm
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(9)
(10)
(11)
(12)
(13)
(14)
(13)
(14)
(15)
(16)
(16)
(17)
(18)
(18)
(19)
(20)
(21)
(20)
(21)
(22)
(23)
(24)
(23)
(24)
(25)
NC : No Components
RX RF
TX RF
TX RF
RX RF
*
KX-TG2521 ONLY
*
KX-TG2511 ONLY
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
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)
(9)
(10)
(11)
(12)
(13)
(14)
(13)
(14)
(15)
(16)
(16)
(17)
(18)
(18)
(19)
(20)
(21)
(20)
(21)
(22)
(23)
(24)
(23)
(24)
(25)
!
NC : No Components
KX-TG2511UA SCHMATIC DIAGRAM(Bese Unit)
Loop Current
Charge Current
Bell signal
68
15.3. Handset
REMARK
ROW2
ROW3
ROW1
LCD_RESET
COL3
COL4
LCD_CSB
LDO_CTRL
COL1
COL2
LCD_S
DA
LCD_CD
LCD_
S
CL
ROW0
ROW3
ROW2
ROW1
CHARGE
COL5
SOCp
SOCn
CHARGE_CTRL
COL0
COL1
COL2
COL3
COL4
COL5
ROW0
LCD_SDA
LCD_CD
LCD_RESET
LCD_RESET
LCD_CSB
LCD_SCL
URX
POWER
GND
GND
R66 1k
GND
C172
K0.1u
GND
JTAG
UTX
R28
820
C44
K0.1u
R203
56k
F
GND
C43
NC
C11
K0.1u
K0.1u
C13
K0.1u
GND
BATT-
C35
39p
VBAT
R45
0.1(2125)
VBAT
BATT+
GND
+1.8V
GND
C46
D10p
VBAT
+1.8V
STM
L47
GND
CP_LED
CPLED
C54 NC
CP+3.0V
GND
C55 NC
C45
K0.1u
C40
k0.1u
C49
K1u(1608)
GND
VREFm
CP+3.0V
C107
NC
GND
R52
1k
R55
1k
GND
C106
NC
R51
470
C105
100p
R50
10k
GND
R54
10k
R53
3.3k
GND
C103
NC
F1 K5H252Y00002
2.5A
R23
1k
VREFm
CP_LED
GND
RST
C201
K1u
GND
TALK
12
1
12
S
HARP
12
6
12
A
S
T
12
4
12
8
1
2
3
1
2
0
12
9
12
SP
1
2
2
1
2
5
1
2
7
12
SOFT_C
12
SOFT_B
12
SOFT_A
12
S1
1
2
R
1
2
GND
C205
NC
GND
GND
CP+3.0V
GND
C150
K0.1u(1608)
K0.1u(1608)
16V
CN51
9
NC
CN51
6
VDD
CN51
2
RS
CN51
10
V0
CN51
13
CAP1+
CN51
7
VG
CN51
11
XV0
CN51
4
S
I
CN51
5
S
CL
CN51
16
GND
CN51
12
CAP1-
CN51
3
/CS
CN51
14
V
SS
CN51
8
NC
CN51
1
GND
CN51
15
/RES
DOWN
1
2
UP
12
LEFT
12
RIGHT
12
CKM
1.8V
C204
0.1u
Q2
C5
K1u
K1u
C1
220u
6.3V
C36
NC
NC
L46
C104
NC
GND
GND
C39
k0.1u
GND
R7
820
Q4
Q6
R8
10k
GND
C190
K0.1u
K0.1u
C47
K1u
C191
K1u
C10
K1u
C42
K1u
C51 K1u
*C50
1u
R27
820
C866
K1u
GND
IC3
32K
1 A0
2 A1
3 A2
4 VSS
2 A1
3 A2
4 VSS
5
SDA
6
SCL
7
WP
8
VCC
X1
10.368M
1
3
2
C20
NC
NC
GND
R30
1.5k
1.5k
*RA32
150
1
2
3
45
6
7
8
*LED2
1
*LED2
2
*LED2
3
*IC5
3
RF_RXp
4
VSS_LNA2
5
RFP1
6
RFP0
7
REF_RE
S
8
AVS_XTAL
9
XTAL2
10
XTAL1
11
AVD_XTAL
25
LSRn
26
AVD
27
LDO_CTRL
28
P3_3/ADC0
29
P1_0/INT0/ADC1
30
NTC/ADC2
31
SOCp
32
SOCn
33
CHARGE_CTRL
47
CP_C2y
48
CP_VOUT1
49
CP_VOUT2
50
P1_6/PON
51
VDD3
52
P2_7/BXTAL
53
P1_5/INT5/RDI/VDDE
54
P1_4/INT4/TDOD
55
P1_3/INT3/SIO
76 P2_1/ECZ2/PWM1/LED4
77 P2_0/ECZ1/PWM0/LED3
78 VDD4
79 LDORF_CTRL
80 NC3
81 NC4
82 NC5
83 RFP0n
84 RF_SUPPLY2
1
VSS_LNA1
2
RF_RXn
12
RF_
S
UPPLY1
13
VDD1
14
P3_4/PARADET
23
VREFm
24
LSRp
34
P1_7/CHARGE
35
P3_1/DP1/PAOUTp
36
VDDPA
45
CP_C1y
46
CP_VBAT2
56
P1_2/INT2/
S
K
57
P1_1/INT1/LE
58
P2_6/WTF_IN
74 WLED_CUR1
75 WLED_CUR2
85 RF_SUPPLY_PA
86 RF_TXn
87 RF_TXp
15
P3_5/RINGOUT/RINGING
37
P3_0/DP0/PAOUTn
59
P0_7/
SPI_DI/PWM1
88 RFP2
89
GND
16
P3_6/RINGn
17
P3_7/RINGp
18
P3_2/CIDINp
19
VREFp
20
CIDINn/MICp
21
CIDOUT/MICn
22
MICh
38
CP_VBAT1
39
NC1
40
NC2
41
VDD2
42
VBAT
43
CP_C1x
44
CP_C2x
60
P0_6/
S
PI_DO
61
P0_5/SPI_CLK
62
P0_4/SPI_EN
63
P0_3/SCL2
64
P0_2/SDA2
65
P0_1/URX/PWM0
66
P0_0/UTX
67 *RSTn
68 JTAG
69 P2_5/PCM_FSC/SF
70 P2_4/SCL1/PCM_DO/DP3
71 P2_3/SDA1/PCM_DI/DP2
72 P2_2/PCM_CLK/CLK100
73 WLED_CUR0
*C200
NC
*C203
NC
C206
NC
*R231
NC
*R232
NC
R233
NC
Q9
GND
GND
GND
GND
GND
VREFm
GND
GND
GNDGND
RA40
10k
1
2
3
4
5
6
7
8
RF_RXn
RF_RXp
RF_RXp
RF_TXn
RF_TXp
RF_TXp
C14
10u(2125)
6.3V
CHG(-)
CHG(+)
CHG+
CP3V
C52 10u
To Charge
Terminal
To Battery
MICp
MICn
(MAX500mA)
LCD_BACKLIGHT
(US:Amber)
(US:Amber)
ROHM
TO RF BLOCK
6f0_Trap:W=0.5m/L=3m
2f0_Trap:W=0.5m/L=9m
!
（１）
（２）
（３）
（４）
（２）
（３）
（４）
（５）
（６）
（７）
（６）
（７）
（８）
（９）
（９）
（10）
（11）
（12）
（13）
（14）
Charge Current
TX RF
RX RF
TX AF
RX RF
(Head set)
SP-Phone
RX/Beep
NC : No Components
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