Panasonic KX-TG6621RUB / KX-TG6621RUM / KX-TG6621UAB / KX-TG6621UAM / KX-TG6621CAB / KX-TG6621CAM / KX-TG6622CAB / KX-TGA661RUB / KX-TGA661RUM Service Manual ▷ View online
73
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
QSPI_CS
QSPI_I01
QSPI_I02
QSPI_I00
QSPI_SCK
QSPI_I03
COL0
QSPI_I01
QSPI_CS
QSPI_I02
QSPI_I00
QSPI_SCK
QSPI_I03
RF_RXp
RF_TXp
R807
220
C802
1.8p
GND
GND
BATTERY
C803
1.5p
TXON
GND
GND
RF_RXn
GND
C811
10p
GND
C804
1.8p
C837
NC
R806
220
GND
GND
RXON
GND
RF_TXn
DA801
1
2
3
GND
GND
C822
10p
C823
100p
GND
GND
GND
GND
C825
10p
C812
10p
CP2.8V
RA40 10k
1
2
3
4
2
3
4
5
6
7
8
C172
K0.1u
GND
CARBON_CL1
SP-PHONE_SPEAKER
+
-
VREFm
VREFm
C113
D10p
D10p
C74
NC
C75
NC
C152
K1000p
K1000p
C71
NC
C70
NC
NC
GND
RECEIVER
+
-
GND
BATTERY
C188
K1u
GND
VREFm1
*C110
NC
NC
*L72 NC
NC
L9
VREFm1
*C83
NC
*L308
NC
*C82
NC
*C127
NC
*C86
NC
VREFm1
GND
VREFm1
*L74
VREFm
*C185
NC
*CN4
Headset Jack
NC
1
4
2
3
3
5
*R306 NC
VREFm
GND
VREFm
*C33
0
*R34
NC
*R32
NC
BATTERY
CP+3.0V
GND
CP+3.0V
GND
C701
1u
C702
10p
GND
GND
GND
C863
7p
C864
7p
C805
2.4p
C806
2.4p
L802
4.7n
L803
4.7n
C820
0.5p
C814
10p
GND
C810
1p
C813
1p
C190
NC
GND
GND
C76
K2200p
C809
10p
C826
1.1p
C77
K2200p
R100
100k
100k
R101
NC
NC
C704
K0.1u
K0.1u
GND
AT1
@TP2-ANT-DECT1
1 2
RF-SHIELD
1 2
6
8
10
12
3 4 5
9
11
13
7
GND
R77
1
R76
1
ANT-Short ANT-Short-GND
MIC
AP1
1
2
IC4
VJ1
1
*CS
2
SO/SIO1
6
SCLK
7
NC/SIO3
3
*WP/SIO2
8
VCC
4
GND
5
SI/SIO0
C73
82p
C72
82p
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
DUMMY6
104
DUMMY7
105
DUMMY8
106
DUMMY9
107
DUMMY10
108
DUMMY11
109
DUMMY12
110
DUMMY13
111
DUMMY14
112
DUMMY15
113
DUMMY16
90
QSPI_IO3
91
QSPI_SCK
92
QSPI_IO0
93
VDDIO
94
QSPI_IO2
95
QSPI_CS
96
QSPI_IO1
*IC3
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
VSS
5
SDA
D13
D14
D21
D22
W 0.15mm
L 20+/-2mm
3rd layer
L 20+/-2mm
3rd layer
Pre-matching
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
L 7.6mm
Gap 0.125mm
1st layer
Balun
W 0.15mm
L 5.0mm
1st layer
L 5.0mm
1st layer
BPF
W 0.15mm
L 5.0mm
1st layer
L 5.0mm
1st layer
W 0.15mm
L 20+/-2mm
3rd layer
L 20+/-2mm
3rd layer
W 0.15mm
L 20+/-1mm
3rd layer
L 20+/-1mm
3rd layer
LSRp
LSRn
Test Pattarn for Carbon
MICp
MICn
MICh
LSRp
HEADSET_DET
Open-stub
10p&33p Mic
KX-TGA660/661 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(9)
(10)
(11)
(10)
(11)
(13)
(12)
(14)
(8)
RX_RF
TX_RF
TX_AF
RX AF (Handset)
SP-phone RX/Beep
74
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
13.5. Schematic Diagram (Charger Unit)
J1
2
1
G
TP1
TP2
F1
R1
6.8 (2W)
SCHEMATIC DIAGRAM (Charger Unit)
!
75
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
14 Printed Circuit Board
14.1. Circuit Board (Base Unit_Main)
14.1.1. Component View
ANT_2
ANT_1
1
1
SA1
SA2
P1
KX-TG6621 CIRCUIT BOARD (Base Unit_Main (Component View))
A
KX-TG662xH
TG806xH
PNLB1896Z
WBX02
WBX01
PbF
-GW
C305
C137
C136
C171
C148
C147
R151
R152
C130
L140
C52
C320
C618
C156
Shield
C157
C812
C822
C19
C18
C28
C864
C811
C810
C805
C837
C806
C853
C86
C851
C39
C858
C804
C802
C856
JOINT1
JOINT2
R55
R12
R13
R13
R18
R20
R129
R27
R130
R32
RA1
R811
R126
R615
R56
R523
R522
R93
R109
L803
IC351
IC2
D9
DA801
D3
DA802
Q23
Q351
Q22
Q2
C625
C615
C151
C6
3
1
C60
Q521
R512
R511
RA511
C168
C152
C517
C512
C514
C511
C516
C51
3
C515
L141
C169
C170
C61
C622
C
3
52
C25
C15
C17
C16
C72
C70
C75
C826
C82
3
C167
C
3
06
X1
C65
C62
C27
C820
C86
3
C81
3
C80
3
C857
C
3
2
C854
C825
C
3
6
C9
C10
C855
C
3
7
C850
R57
R
3
20
R40
R2
R
3
0
R38
R
3
55
R
3
54
R
3
5
R
3
52
HAK_CL1
R22
R21
R
3
51
R28
R
3
1
R12
3
R807
R124
R91
R806
R106
L802
L
3
IC7
D22
D26
D21
D27
Q
3
KEYS_E
KEYS_C
LCD_BLT1
LCD_BLT2
LCD_GND
LCD_RST
LCD_CS
LCD_CD
LCD_SID
LCD_SCL
LCD_VDD
LED_VDD
MSG_LED
ANS_LED
NC
NC2
KEYS_D
KEYIN2
KEYIN3
KEYIN1
76
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
14.1.2. Bottom View
A
GRY
PUR
ORG
SP
3.0A
CHARGE+
CHG
CHARGE-
F1
DC
BLU
ANT2_TP
ANT1_TP
BRN
RED
RED
TEL
YLW
BLK
DCP
SPp
SPm
DC_IN
CKM
JTAG
GND_C
STM
VDD2
VDD3
VDD4
VDD5
VDD1
UTX URX
GND J101
E
DCM
L1T
LINE_DC
L1R
C808
C55
C38
C4
3
1
C702
C422
C526
C701
C617
C53
C2
C12
C155
C626
C623
C22
C57
C4
C43
C56
C14
C166
C1
C7
C5
C421
C423
C30
ANT_2
C88
C29
C809
R77
R78
R524
R34
R609
R610
R611
R5
R6
R7
R14
R15
R360
R369
R29
R19
R24
R23
R8
R71
R657
R424
R361
R362
R363
R95
R364
R367
R368
R366
R365
IC421
IC431
IC401
TP16-sub
TP16
TP15
TP15-sub
TP9
D23
D6
D5
D16
ANT_1
D15
D28
D10
Q8
Q354
Q352
Q4
Q5
Q9
Q421
Q602
Q10
Q363
Q362
Q361
C616
C640
C6
3
0
L52
3
C52
3
L522
C522
L524
C524
L525
C525
C54
C74
C76
C77
C614
C142
C704
C6
C8
C
3
58
C141
C2
3
C
3
C42
C51
C602
C150
C149
C146
C145
R116
R
3
58
R
3
59
R
3
5
3
R4
3
R117
R36
R37
R620
R521
C521
L521
RA521
R428
R427
R
33
R10
R9
R17
R16
R4
R
3
R42
R75
R87
R86
R4
3
0
R425
R76
R429
R426
R612
R608
R607
R605
TP10
RA80
RA402
For JIG
GND
VDD1 1.8V
(B)
VDD2 2.4V
(T)
VDD3 2.85V
(A)
VDD5 3V
(D)
VDD4 3V
CKM
(CLK:10.368 MHz)
(C)
URX
UTX
KX-TG6621 CIRCUIT BOARD (Base Unit_Main (Bottom View))
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