DOWNLOAD Panasonic KX-TG8551CAB / KX-TG8561CAB / KX-TGA855RUB Service Manual ↓ Size: 8.49 MB | Pages: 103 in PDF or view online for FREE

Model
KX-TG8551CAB KX-TG8561CAB KX-TGA855RUB
Pages
103
Size
8.49 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DIGITAL CORDLESS PHONE
File
kx-tg8551cab-kx-tg8561cab-kx-tga855rub.pdf
Date
PREV: Panasonic KX-TG8551CAB / KX-TG8551RUB / KX-TG8551RUW / KX-TG8552RUB / KX-TG8561CAB / KX-TG8561RUB / KX-TG8561RUR / KX-TG8562RUW Service Manual / Supplement

Panasonic KX-TG8551CAB / KX-TG8561CAB / KX-TGA855RUB Service Manual ▷ View online

81
KX-TG8551CAB/KXTG8561CAB/KX-TGA855RUB
KX-TGA855RU SCHEMATIC DIAGRAM (Handset)
QSPI_CS
QSPI_IO1
QSPI_CS
QSPI_IO2
QSPI_IO3
LDO_CTRL
HEADSET_DET
QSPI_SCK
QSPI_IO0
QSPI_IO2
QSPI_IO1
QSPI_IO0
QSPI_SCK
W_LED2
CHARGE_DET
CHARGE_CTRL
SOCn
SOCp
STB_A
LDO_CTRL
HEADSET_DET
QSPI_IO3
C12
K10u
*R25
2.2k
*C14
K0.01u
*R22
3.3k
*C37
K10u
R5
0
D10p
R28
820
C22
K2.2u
+1.8V
1.8V
C42
K1000p
L3
L4
C59
K1u
C23
NC
GNDA1
*C84
K1000p
*L7
*L9
GNDA1
*C83
D10p
*L10
*C82 K470p
*C39
K1000p
*C16
K10u
GNDA1
GNDA1
*L8
10
GNDA
*C87 K1000p
*CN4
HEADSET JACK
1
4
2
3
5
*R80
100
GNDA
GNDA
*R34
100k
*R32
100k
C96
D10p
C97
D10p
CP3V
GND
GND
C56 1u
C57
10p
GND
R27
820
GND
R23
1k
*R29
1k
C51
K1u
C98
D10p
C99
D10p
CP2.8V
CP2.8V
C41
K0.1u
GND
RF-SHIELD
GND
R77
1
R76
1
C73
82p
C72
82p
Q1
L5
D13
4.3V
D14
4.3V
D21
4.3V
D22
4.3V
CHG+
C822
10p
DA801
1
2
3
RF_RXn
GND
ANT1_TP
VBAT
C825
10p
GND
C820
0.5p
ANT-S-GND
GND
RF_RXp
GND
GND
C811
10p
RF_TXp
GND
GND
ANT-Short
C814
10p
TXON
C803
1.5p
C837
NC
RXON
GND
GND
GND
C823
100p
GND
R806
220
R807
220
C805
2.4p
GND
GND
RF_TXn
GND
C826
1.1p
GND
GND
C812
10p
C804
1.8p
C802
1.8p
C809
10p
L802
4.7n
C813
1p
L803
4.7n
C810
1p
C806
2.4p
GND
GND
GND
GND
GND
GND
GND
GND
GND
GNDA GNDA
GNDA
GNDA
GND
GNDA
GND
*LCD-C
1
LED2
GND
GND
C79
2200p
C78
2200p
VBAT
VBAT
*C33
K0.1u
CHG_MON
*C32 K0.1u
*C70
33p
*C71
33p
C31
K1u
C29
K1u
*IC1
81
ONE_CELL
83
DC_DCI
82
DC_SENSE
84
DC_CTRL
85
VBAT
86
DC_CTRLN
87
ULP_MAIN
88
ULP_VBAT
89
ULP_PORT
98
DUMMY1
99
DUMMY2
100
DUMMY3
101
DUMMY4
102
DUMMY5
103
DUMMY
6
104
DUMMY7
105
DUMMY8
106
DUMMY9
107
DUMMY10
108
DUMMY11
109
DUMMY12
110
DUMMY13
111
DUMMY14
112
DUMMY15
11
3
DUMMY16
90
QSPI_IO3
91
QSPI_SCK
92
QSPI_IO0
93
VDDIO
94
QSPI_IO2
95
QSPI_CS
96
QSPI_IO1
GND
SP-PHONE_SPEAKER
+
1
-
2
RECEIVER
+
1
-
2
C60
NC
*MIC
AP1
1
2
C50
NC
GND
OFF
R19 10k
*R18
30k
R41
33k
*IC4
16M
1
*CS
2
SO/SIO1
6
SCLK
7
NC/SIO3
3
*WP/SIO2
8
VCC
4
GND
5
SI/SIO0
C801
10p
MICp
MICn
(MAX500mA)
MICh
HEADSET_DET
10p&33p
W 0.15mm
L 20+/-2mm
3rd layer
W 0.15mm
L 20+/-1mm
3rd layer
Open-Stab
BPF
RF BLOCK
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 20+/-2mm
3rd layer
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
Pre-matching
Balun
W 0.15mm
L 5.0mm
1st layer
MIC_POWER
QSPI BLOCK
Speakerphone_SP-
Speakerphone_SP+
RECEIVER-
RECEIVER+
ANT Pattern
(1)
(2)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15 )
(3)
2/2
Tx AF
Tx RF
Rx RF
Rx AF
Rx Speakerphone
82
KX-TG8551CAB/KXTG8561CAB/KX-TGA855RUB
13.5. Charger Unit
SCHEMATIC DIAGRAM (Charger Unit)
J1
2
1
G
A     K
TP1
TP2
F1
R1
1 (0.5W)
R2
D1
1 (0.5W)
!
83
KX-TG8551CAB/KXTG8561CAB/KX-TGA855RUB
14 Printed Circuit Board
14.1. Base Unit (Main)
14.1.1. KX-TG8551
14.1.1.1. Component View
KX-TG8551 MAIN BOARD (Base Unit (Component View))
R806
R807
P101
RA101
C802
C803
C804
SA101
C805
SA103
C810
C811
C812
C813
C820
C822
C823
C825
C826
C837
C851
C853
R891
L301
R892
C857
C858
C863
C864
Q141
SW501
Q351
Q161
R108
R110
R501
R502
R310
R120
R121
R125
C101
C102
C301
C110
C112
R151
R152
Shield
C502
C503
C505
C507
C508
R351
R352
C123
R160
C124
R354
R161
C125
R162
R163
R164
R165
X501
C511
R166
C512
R167
C513
R168
C321
R169
C322
C516
C323
C519
DA801
DA802
R170
C520
R178
C524
C525
R371
A
R372
C142
C531
C341
C342
C343
C345
C152
C352
D101
C161
C163
D103
C164
D104
C165
C166
C167
C168
C171
C172
C173
C174
IC302
IC501
L802
L803
D141
D142
D153
C856
C855
IC351
R355
C806
PNLB2019Z
PCB
84
KX-TG8551CAB/KXTG8561CAB/KX-TGA855RUB
14.1.1.2. Bottom View
KX-TG8551 MAIN BOARD (Base Unit (Bottom View)
Note:
(A) - (E) is referred to Check Point (Base Unit) (P.41)
3.0A
Q301
PNLB2019Z
TEL
DC
CHG
+
-
+
-
BLK
YLW
RED
BRN
PCB
R611
RSTN
DCM
GRY
PUR
DCP
RA501
C611
CHARGE+
C808
CHARGE-
F301
C809
Q301
Q302
URX
STM
LINE_DC
Q701
C859
Q702
ANT1_TP
UTX
STM/CKM/P15
Q142
Q144
IC611
JTAG
Q352
R101
R102
R103
R104
R105
R106
R107
R109
R111
R115
R116
R117
R118
R503
R504
R505
R311
R312
R506
R313
R507
R314
R315
R316
R317
R319
R701
R702
R703
R320
C103
C104
R141
C105
R142
C106
R143
C107
R144
C108
R145
C109
VDD1
R146
VDD2
R147
VDD3
R148
VDD4
VDD5
C111
C113
C115
C116
C501
C311
C312
L1R
C120
L1T
C121
C509
R353
C701
C702
C510
R358
RA601
R359
Q354
C514
C515
C517
C518
R360
TP9
+5.5V
C141
R373
C143
R181
C530
C532
C344
R318
C346
Q311
Q310
TP10
C351
ANT_1
C362
D302
C363
C181
C184
C186
D132
D133
IC502
GND
D361
D362
C533
A
ANT2-S-GND
ANT2-Short
ANT2_TP
R508
C353
R112
For JIG
GND
(A)
VDD3 2.85 V
(C) VDD5 
CKM (G)
(CLK:
 10.
3
68 MHz)
URX
(B)
VDD1 1.8 V
(D) VDD4
UTX
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