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Model
KX-TG6451RUT KX-TGA641RUT
Pages
94
Size
3.14 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DIGITAL CORDLESS PHONE
File
kx-tg6451rut-kx-tga641rut.pdf
Date
PREV: Panasonic KX-TG6451RUT / KX-TG6451CAT / KX-TG6461RUT / KX-TG6461CAT Service Manual / Supplement

Panasonic KX-TG6451RUT / KX-TGA641RUT Service Manual ▷ View online

69
KX-TG6451RUT/KX-TGA641RUT
13 Schematic Diagram
13.1. For Schematic Diagram
13.1.1. Base Unit (Schematic Diagram (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.
13.1.2. Cordless Handset (Schematic Diagram (Cordless Handset))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams may be modified at any time with the development of new technology.
13.1.3. Charger Unit (Schematic Diagram (Charger Unit))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. This schematic diagram may be modified at any time with the development of new technology.
70
KX-TG6451RUT/KX-TGA641RUT
13.2. Schematic Diagram (Base Unit_Main)
GND
GND
NC
*C547
NC
*C549
GND
NC
*R545
560
R544
560
R543
NC
NC
NC
*R541
NC
*R542
GND
NC
C542
GND
UTX
URX
GND
100n
C531
GND_C
GND
1u
C533
GND
GND
1n
C225
GND
100n
C224
D201
5.1V
1u
C203
C223
330p
2.2k
R224
100n
C204
100u
C202
GND
L201
100k
R207
10p
C209
+1.8V
100n
C227
100n
C201
2.2k
R222
100n
C208
100n
C207
D202
5.1V
NC
R202
NC
C226
GND
GND
C212
100n
GND
L202
1n
C206
GND
IC201
1
GPIO4/PCM_DI
2
GPIO5/PCM_DO
9
SPI_DI
3
GPIO6/PCM_CLK
4
GPIO7/PCM_FSC
5
VDD1
6
VDDIO1
7
CLK
8
*PF
10
SPI_DO
11
SPI_CLK
12
SPI_EN
13
AVD1
14
GPO9/PAOUTp
15
VDDPA
16
GPO8/PAOUTm
17
GPIO0
18
GPIO1
19
VDD2
20
VDDIO2
21
GPIO2
22
GPIO3
23
*RST
24
AVD2
25
*LSR
26
LSRp
27
MICh
28
*MIC
29
VREFm
30
VBUF
31
MICp
32
VREFp
33
Fin
100
R211
NC
R612
NC
R611
*Q603
ANS_LED
Q602
SP-Phone_LED
Q601
LCD-Backlight
*Q604
NEWMES_LED
GND
GND
GND
NC
*R546
GND
UVCC
TAM_RESET
TAM_EN
TAM_WP
SPI_CLK
SPI_DO
SPI_DI
FLASH_CSn
*WP
SPI2_CLK
SPI2_DI
SPI2_DO
MIC
VDD4
*Q541
*IC541
1
*CE
2
SO
3
*WP
4
VSS
5
SI
6
SCK
7
*HOLD
8
VDD
CN1-2
CN1-1
CN1-3
CN1-4
CN1-5
CN1-6
CN1-7
CN1-8
CN1-9
CN1-10
CN2-1
CN2-2
CN2-3
CN2-4
CN2-5
CN2-6
R206
1M
+1.8V
CLK
NC
C218
NC
C219
NC
C220
NC
C221
NC
C222
GND
GND
2.2k
R221
2.2k
R225
390
R602
NC
NC
NC
*R603
NC
*R604
CN2-7
CN2-8
CN2-9
CN2-10
CN2-11
CN2-12
NC
R617
CN1-11
CN1-12
GND
L224
L221
L222
L223
2.2k
R232
470
R236
33
R233
33
R234
NC
C233
NC
C234
GND
GND
10p
C232
NC
D235
0
R213
1u
C216
0
R214
1u
C215
4.7k
R215
CN2-14
CN2-13
4.7u
C213
4.7u
C214
CN1-14
CN1-13
HOOK2-6
HOOK2-4
HOOK_DET
+4.4V
100n
C235
+3.2V_PD
100u
C211
NC
D222
GND
NC
D221
MIC+
MIC-
GND
C624
NC
C621
NC
C622
NC
GND
C625
NC
C623
NC
GND
C615
NC
C614
NC
C616
NC
C613
NC
C611
NC
C612
NC
NC
C617
C631
NC
C632
270p
C636
270p
NC
C637
GND
C635
270p
C633
270p
C634
270p
C645
270p
C642
NC
C643
NC
C641
NC
GND
C644
NC
2.2n
C241
2.2n
C242
GND
NC
C651
GND
GND
NC
C652
GND
NC
C653
GND
NC
C654
GND
470p
C661
GND
470p
C662
GND
470p
C663
0
RA611
1
2
3
4
6
5
7
8
NC
C682
NC
C672
NC
C671
NC
C673
NC
C681
4.7k
*R547
Q605
Q606
Q607
10
R209
NC
D223
NC
D224
C380
NC
NC
C381
NC
C382
NC
C383
GND
NC
C384
GND
CP_VOUT1
+3.2V_PD
NC
R618
NC
R620
NC
R621
NC
R622
10p
C683
10p
C684
C685
NC
C686
NC
GND
NC
R619
HOOK1
HOOK2
HOOK3
2.2n
C391
2.2n
C392
680p
C393
680p
C394
GND
10p
C243
10p
C244
L203
L204
4.7k
R217
GND
NC
R386
NC
R387
VDD_flash_LCD
VDD_flash_LCD
NC
C553
NC
C552
NC
C551
NC
C550
GND
NC
*C548
PCM_DI
PCM_CLK
PCM_FSC
KEY0
KEY1
KEY2
KEY3
KEY4
SDA2
SCL2
FLASH_CSn
SPI_CLK
SPI_DO
SPI_DI
KEY0
KEY1
KEY2
KEY3
KEY4
LED1
LED2
LED3
LED4
ROW0
SPI2_DI
SPI2_DO
KEY6
POWER_FAIL
HOOK_DET
LED4
LED3
LED2
LED1
PCM_DO
ROW3
TAM_RESET
SPI2_CLK
Pulse
ROW1
TAM_EN
KEY5
Line_Seisure
ROW4
ROW3
ROW2
ROW1
ROW0
LCD_CS_P
LCD_RESET_P
LCD_CD_P
ROW2
CLK
CLK
TAM_WP
LCD_CD
LCD_RESET
LCD_CS
SPI_DO
SPI_CLK
FLASH_CSn
SPI_DI
SPI_DO
SPI_CLK
+
-
TO HANDSET
HS_MIC_P
HS_SP_P
HS_SP_N
HS_MIC_N
SP+
SP-
(1)
(3)
(4)
(5)
(7)
(9)
(11)
(13)
(15)
(17)
(2)
(6)
(8)
(10)
(12)
(14)
(16)
(19)
(21)
(23)
(18)
(20)
(22)
(25)
(27)
(28)
(29)
(24)
(26)
NC: No Components
71
KX-TG6451RUT/KX-TGA641RUT
Bell (Power fail)
Bell
SP_Phone Tx (to Tel line)
CLIP
CDL Rx (from Tel line)
CDL Tx (to Tel line)
SP_Phone Rx (from Tel line)
(Corded) Handset Rx (from Tel line)
(Corded) Handset Tx (to Tel line)
GND
1k
R531
1k
R532
Q351
1u
C351
GND
+1.8V
GND
GND
GND
56kF
R512
GND
GND
GND
*SA101
L101
L102
J101
GND
+6.5V
100u
C303
IC301
4
Fin
1
ADJ/GND
3
Input
2
Output
VDD3
GND
NC
C312
GND
NC
R111
NC
C116
D101
4
1
3
2
LINE_DC
27k
R131
C137
1
TP10
100
R154
4700p
C141
8.2k
R141
100k
R134
+1.8V
NC
C153
0.01u
C139
NC
C143
GND
12
R135
GND
TP9
K0.22u
C152
100n
C142
K0.22u
C154
C151
K1.0u
NC
C134
1k
R195
1k
R185
820p
C184
820p
C194
1M
R182
C193
NC
K1000p
C192
180k
R191
GND
1M
R192
GND
C183
NC
180k
R181
K1000p
C182
GND
82k
R172
100n
C352
GND
3.3k
R146
100n
C562
GND
GND
GND
100n
C522
ANT1
RXON
TXn
RF_RXn
RF_RXp
RXON
RF_RXn
RF_RXp
TXON
TXON
TXn
TXp
TXp
VDD_PADRV
VDD_PADRV
PSEL
PSEL
PON
PON
ANT2
+3.75V_PD
D301
D112
Q131
100
R525
C513 NC
VDD1
1u
C512
3A
F301
1k
R526
D111
NC
C147
NC
10k
RA561
1
23
4
100n
C172
D137
1u
C504
GND
100
R311
GND
*IC501
4
VSS_LNA2
5
RFP1
6
RFP0
7
REF_RES
8
AVS_XTAL
9
XTAL2
10
XTAL1
11
AVD_XTAL
12
RF_SUPPLY1
13
VDD1
14
SPI2_EN/P4_0
15
SPI2_CLK/P4_1
16
SPI2_DO/P4_2
17
SPI2_DI/P4_3
18
P4_4
19
LDO_CTRL
20
AVD
21
LSRn
22
LSRp
29
RINGn/P3_6
30
RINGOUT/RINGING/P3_5
31
PARADET/P3_4
32
ADC0/P3_3
33
ADC1/INT0/P1_0
34
NTC/ADC2
35
SOCp
36
SOCn
37
CHARGE_CTRL
38
P1_7/CHARGE
39
DP1/PAOUTp/P3_1
40
VDDPA
41
DP0/PAOUTn/P3_0
42
VBAT1
43
P4_5
44
P4_6
45
P4_7
46
VBAT2
47
CP_C1x
54
PON/P1_6
55
VDD2
56
P2_7/BXTAL
57
P1_5/INT5/RDI/VDDE
58
P1_4/INT4/TDOD
59
P1_3/INT3/SIO
60
P1_2/INT2/SK
61
P1_1/INT1/LE
62
P2_6/WTF_IN
63
P0_7/SPI_DI
64
P0_6/SPI_DO
65
P0_5/SPI_CLK
66
P0_4/SPI_EN
67
P0_3/SCL2
68
P0_2/SDA2
69
P0_1/URX/PWM0
70
P0_0/UTX
71
P5_0
72
P5_1
79
P2_4/SCL1/PCM_DO/DP3
80
P2_3/SDA1/PCM_DI/DP2
81
P2_2/PCM_CLK/CLK100
82
P5_5
83
P5_6
84
P5_7
85
P2_1/ECZ2/PWM1/LED4
86
P2_0/ECZ1/PWM0/LED3
87
NC
88
VSS
89
VDD3
90
LDORF_CTRL
91
RF_SUPPLY2
92
RFP0n
93
RFP4
94
RFP3
95
VDD_PADR
96
VSS_PADR1
97
RF_TXn
1
VSS_LNA1
2
RF_RXp
3
RF_RXn
23
VREFm
24
MICh
25
CIDOUT/MICn
26
CIDINn/MICp
27
CIDINp/VREFp
28
RINGp/P3_7
48
CP_C2x
49
CP_C1y
50
VBAT3
51
CP_C2y
52
CP_VOUT1/LED1
53
CP_VOUT2/LED2
73
P5_2
74
P5_3
75
P5_4
76
RSTn
77
JTAG
78
P2_5/PCM_FSC/SF
98
RF_TXp
99
VSS_PADR2
100
RFP2
101
GND
3.3k
R133
10p
C511
10p
C521
LE
DP1
DP0
RDI
TDO
SIO
SK
EEP_WP
SCL2
SDA2
GND
1u
C501
C503
NC
+2.5V
10k
R527
C302
K1.0u
C301
K1.0u
VDD2
CP_VOUT2
GND
Q111
680p
C181
680p
C191
680p
C101
680p
C102
120
R153
*X511
NC
1
3
2
IC561
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
JTAG
NC
C313
GND
10p
C514
10p
C185
10p
C195
10p
C344
GND
10p
C155
2.2
C136
100n
C502
GND
SA102
NC
GND
NC
*P101
18k
R165
56n
C166
18k
R166
1u
C164
BL1240K
IC101
1
LINE1
2
GND
3
Csw
4
Ra
5
OUT
6
NC
7
Cr
8
LINE2
PC101
NC
1
2
3
4
NC
C322
GND
NC
C323
+4.4V
330u
C138
Q341
18
R343
NC
D341
10k
R342
6.8k
R341
+3.2V
+3.5V_PD
D311
330u
C343
GND
D172
D162 NC
R161
NC
GND
3.3k
R167
R162
NC
Q161
NC
1.5k
R332
3.9k
R333
100n
C331
8.2k
R331
Q331
GND
+1.8V
4.7k
R334
+1.8V
10k
R114
47k
R113
D117
C361 1u
Q112
NC
Q113
NC
R118
*Q121
100k
*R121
10k
*R122
NC
SA103
0.033u
C187
GND
1k
R186
100n
C523
33k
R501
100k
R563
R344
NC
GND
D342
NC
+6.5V
Q162
100k
R169
GND
D161
4
1
3
2
1.2k
R168
NC
R170
+3.2V
5.6M
R178
*Q371
GND
HOOK_DET
HOOK2-6
HOOK2-4
NC
*R372
GND
NC
*R371
*R323
+3.5V_PD
+3.5V_PD
0
R196
4.7M
R197
4.7M
R198
10n
C196
10n
C197
10u
C371
GND
D352
+3.75V_PD
1k
RA501
1
23
4
10p
C146
10p
C186
Q115
R120
NC
0
R110
NC
R119
3.9k
R112
+3.5V_PD
*Q123
*Q122
*Q114
*Q168
C140
NC
100k
R123
PC102
1
2
3
4
R132
NC
R380
NC
R381
NC
R382
NC
Q380
NC
GND
GND
NC
R164
2.2k
R117
CP_VOUT1
R383
NC
IC304
4
Fin
1
ADJ/GND
3
Input
2
Output
GND
200
R385
NC
C387
NC
C386
100
R384
180
R312
D353
+3.2V_PD
+2.5V
*D173
D174
IC303
1
VIN
2
VSS
3
ON/OFF
5
VOUT
4
NC
R511
1m
L103
D138
4.3V
TIP
DCINP
DCINM
VDD5
VDD7
10p
C864
0
*R101
RING
330u
C311
330u
C385
NC
*R374
NC
*R142
NC
*R143
4.7u
C165
NC
*C118
0
*R125
NC
*R126
NC
R147
L501
0.033
*C145
560
*R144
0
*R145
82k
*R137
R148
0
270k
*R139
27k
*R140
27
*R136
390k
*R115
220k
*R116
*R163
1.8k
82n
*C188
100k
*R187
82k
*R184
82k
*R194
*IC302
NC
4
Fin
1
ADJ/GND
3
Input
2
Output
150
*R321
390
*R322
330
*C321
22u
*C144
PCM_FSC
PCM_CLK
PCM_DO
PCM_DI
KEY5
EEP_WP
TAM_WP
Pulse
SPI2_DI
SPI2_DO
SPI2_CLK
TAM_EN
LCD_CD_P
KEY6
ROW4
LCD_RESET_P
SCL2
SDA2
Pulse_mute
LCD_CS_P
POWER_FAIL
Line_Seisure
TAM_RESET
HOOK_DET
EEP_WP
Pulse
DC_IN
HOOKSW
(Not used)
L2T
L1T
L2R
L1R
RINGERP
RINGERM
DCP
DCM
KX-TG6451RU  SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
NC
NC
NC
NC
0
(1)
(3)
(4)
(5)
(7)
(9)
(11)
(13)
(15)
(17)
(2)
(6)
(8)
(10)
(12)
(14)
(16)
(19)
(21)
(23)
(18)
(20)
(22)
(25)
(27)
(28)
(29)
(24)
(26)
72
KX-TG6451RUT/KX-TGA641RUT
13.3. Schematic Diagram (Base Unit_RF Part)
GND
3.3n
C814
220
R806
GND
TXp
47
R805
GND
GND
VDD_PADRV
1k
R804
TXON
GND
GND
GND
PON
1k
R803
GND
GND
IC801
1
PSET
2
VCCS
3
PI
4
PIX
7
PSEL
8
POX
9
PO
10
VCC
11
GND
5
PRAMP
6
PAON
GND
TXn
PSEL
GND
GND
GND
GND
220
R809
220
R808
GND
GND
GND
GND
RF_RXp
RXON
GND
ANT2
GND
GND
RF_RXn
220
R807
GND
ANT1
GND
GND
RE2
RF-SHIELD
12
3
4
5
6
GND
27n
L801
0.7p
*C834
100
R802
TP_ANT1 TP_ANT2
3p
C861
3.3p
C805
3.3p
C806
1.8p
C802
1.8p
C804
+3.75V_PD
DA802
1
2
3
DA801
1
2
3
GND
GND
CL1
CL2
Q608
3n
L803
3n
L802
2.2p
C813
2.2p
C810
1.1p
C826
3.3n
C862
8.2n
C863
1.3p
C803
0.5p
C820
*R801
1k
R810
NC
GND
100p
C850
100p
C855
C852
10p
C851
10p
C853
10p
C854
10p
C859
10p
C827
10p
C822
10p
C819
10p
C825
10p
C811
10p
10p
C860
C809
10p
C812
10p
100n
C808
Pre-matching
W 0.15mm
L 4.0mm x2
1st layer
W 0.15mm
L 15.6mm 3rd layer
   2.4mm 1st layer
W 0.15mm
L 15.4mm 3rd layer
   0.6mm 1st layer
Balun
W 0.15mm
L 25mm
1st layer
BPF
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 21.5mm
4th layer
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 15.6mm 3rd layer
1.8mm 1st layer
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
W 0.15mm
L 21.5mm
4th layer
NC: No Components
KX-TG6451 SCHEMATIC DIAGRAM (Base Unit_RF Part)
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