Read Panasonic KX-TG6621RUB / KX-TG6621RUM / KX-TG6621UAB / KX-TG6621UAM / KX-TG6621CAB / KX-TG6621CAM / KX-TG6622CAB / KX-TGA661RUB / KX-TGA661RUM Service Manual online
69
KX-TG6621RU/KX-TG6621UA/KX-TG6621CA/KX-TG6622CA/KX-TGA661RU
KX-TG6621RU/UA/CA/TG6622CA SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
QSPI_IO3
QSPI_IO2
QSPI_IO2
QSPI_CS
QSPI_SCK
QSPI_IO1
QSPI_IO0
QSPI_IO0
ANS_LED
MSG_LED
LCD_DO
LCD_RST
LCD_CD
LCD_CS
LCD_CLK
QSPI_CS
QSPI_IO1
QSPI_IO2
QSPI_IO
3
QSPI_SCK
QSPI_IO0
PF_SUP
CHARGE_DET
ACFL
Q8
C614
1u
R615
56k F
R16
10k
*R12
3
NC
(3
216)
R14
100k
R18
27k
C17
NC
C28
0.0
33
u
R27
100k
R19
8.2k
R23
100k
C18
NC
C57
N
C
R21
12
TP9
C2
3
NC
R28
470k
C56
K0.1u
C22
1u
C155
(1005)
NC
R33
1k
R35
1k
R10
100k
R8
100k
C61
100n
R117
3
.3
k
C75
1
00n
*D16
NC
A
K
*D15
NC
A K
C306
NC
C305
1u
F1 3A
*R2
NC
D21
Q9
R106
220
R109
220
*C2
NC
C167
NC
C7
100n
C8
100n
C65
D10p
L2T
L2R
D26
NC
ANT1
RF_RXn
RXON
ANT2
RF_RXp
C10
680p
LINE_DC
*C1
NC
R36
120k
C617
1u
R4
1M
R6
1M
R3
180k
R5
180k
C5
10n
C6
10n
C42
10n
C43
10n
R42
4.7M
R43
4.7M
C4
C4
680p
C54
33n
C55 82n
R
3
2
82k
R3482k
C52
820p
C53 820p
R7
NC
R9
NC
*Q2
*R
3
1
470
R22
2
7
*R20
2.7k
C25
0.047u
R
3
7
3
.9k
C19
1200p
R40
270
C171
D10p
R15
2.7k
C62100n
RA1
1k
1
2
3
4
R38 1k
+3.0_CP
C14
0.027u
RF_TXp
RF_TXn
TXON
TXON
R71
10k
R611
1
0k
P1
C1
3
6
D10p
C1
3
7
D10p
C168
D10p
C169
D10p
C170
D10p
+1.8V
GAP
D3
4
3
1
2
C
3
20
100n
GND
C16
NC
GND
C15
NC
R116
0
R29
0
TP10
GND
C141
NC
R
3
58
10k
*R
3
54
10k
*R
3
55
680
+1.8V
+2.85V
+5.5V
R
3
20
2.2k
+5.5V
Q3
+1.8V
+2.4V
+2.85V
+1.8V
C702
NC
+3.0_CP
J101
DC_IN
+2.85V
R95
NC
Q10
NC
C
3
7
C86
1
u
C
3
9
NC
C
3
0N
C
C88
0
.01u
R130
1k
C62
3
1u
C622
NC
R129
10k
C156
NC
R811
NC
NC
NC
R126
NC
CHARGE+
C626
N
C
C157
1n
+1.8V
D22
TP15
D28
NC
R607 0.1
+5.5V
+5.5V
R91
33
0
R9
3
680
R605
4.7k
C602
180p
C
3
8
220p
GND1
GND1
+2.85V
*R
3
64
10k
+5.5V
+2.85V
+2.85V
R609 12k
DCP
DCM
L1R L1T
TP16
R608 0.1
C
3
6
1000u
6.
3
C
3
2
100u
1
6
C640
NC
R612 0.1
CHARGE+
+5.5V
Q23
D6
NC
D5
NC
D9
NC
D10
NC
NC
D2
3
NC
Q352
*Q361
C3
680p
C9
680p
*SA1
2
1
SA2
NC
NC
2
1
Q602
Shield
1
6
7
9
11
3 4 5
2
8
10
12
Q22
R56
1
(0.5W)
R55
1
(0.5W)
*R57
1.8k
+5.5V
*C
3
52
NC
*R351
3.9k
*R
3
52
56k
2.7V
2
VIN
1 VOUT
3
NC
4
VSS
VDD3
VDD2
VDD1
1
2
3
4
5
Q4
.
1 *CS
2 SO/SIO1
2 SO/SIO1
6
SCLK
7
NC/SIO3
3 *WP/SIO2
8
VCC
4 GND
5
SI/SIO0
1
VSS_LNA1
2
RF_RXn
3
RF_RXp
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
P4_0/SPI2_EN
15
P4_1/SPI2_CLK
16
P4_4
17
PARADET/P3_4
18
RINGOUT/RINGING/P3_5
19
RINGn/P3_6
20
RINGp/P3_7
21
CIDINp/P3_2
22
VREFp
23
CIDINn/MICp
24
CIDOUT/MICn
25
MICh
26
VREFm
27
LSRp
28
LSRn
29
ONE_CELL
3
0
AV
D
3
1
LDO_CTRL
3
2
ADC0/P
3
_
3
33
ADC1/INT0/P1_0
3
4
NTC/ADC2
3
5
SOCp
3
6
SOCn
3
7
MIC2n
3
8
MIC2p
8
3
P5_5
84
WLED_CUR_0
85
WLED_CUR_1
86
WLED_CUR_2
87
P2_1/ECZ2/PWM1/LED4
88
P2_0/ECZ1/PWM0/LED
3
89
VDD
3
90
LDORF_CTRL
91
RFP0n
92
RF_SUPPL
Y2
9
3
RF_SUPPL
Y_P
A
94
RF_TXn
95
RF_TXp
96
RFP2
1
33
VSS/GND
109
DC_CTRL
108
DC_I
111
DC_CTRLN
107
DC_SENSE
100
P4_2/SPI2_DO
101
P4_3/SPI_DI
129
P5_6
130
P5_7
125
QSPI_CS
122
VDDIO
121
QSPI_IO0
126
QSPI_IO1
123
QSPI_IO2
119
QSPI_IO3
120
QSPI_SCK
115
ULP_MAIN_CTRL
97 VSS/GNDplane1
98 VSS/GNDplane2
99 VSS/GNDplane3
102 VSS/GNDplane4
103 VSS/GNDplane5
104 VSS/GNDplane6
105 VSS/GNDplane7
106 VSS/GNDplane8
112 VSS/GNDplane9
113 VSS/GNDplane10
118
ULP_PORT
116
ULP_VBAT
117
ULP_XTAL
110
VBAT
131 VSS/GNDplane15
128 VSS/GNDplane14
127 VSS/GNDplane13
124 VSS/GNDplane12
114 VSS/GNDplane11
128 VSS/GNDplane14
127 VSS/GNDplane13
124 VSS/GNDplane12
114 VSS/GNDplane11
132 VSS/GNDplane16
X1
10.368M
1
3
2
C4
3
1
0.1u
C701
0.1u
C704 0.1u
C29 0.1u
R24
3
9k
*R30
390
C142
560p
D27
NC
C74
NC
C76
10p
*R124
10
*R12
*R13
*C12
NC
*R17
2.2k
*C166
NC
*R366 10k
+2.85V
*R365
47k
*Q363
*Q351
Q5
R610 22k
C77
NC
R
3
69
NC
C
3
58
NC
L3
22uH
C859
10p
10p
R
3
67
22k
R
3
59
NC
C27
10u
50
*R
3
6
3
1.5k
*R368
22k
R
3
5
3
22k
R
3
60
56k
Q354
*Q362
*R
3
61
68
*R
3
62
68
DC_IN
Charge -
Charge +
!
10k
680
IC7
*IC7
*IC351
IC2
IC431
2.85V DCDC convertor
(1)
(2)
(3)
(4)
(5)
(6)
2.85V
3.0V
1.8V
Rx AF
Rx RF
Tx AF
Tx RF
Caller ID
Bell signal
Bell signal
Loop current
Charge
current
current
Optional charge detector
0.75V
0V
250mVp-p
Click on the first or last page to see other KX-TG6621RUB / KX-TG6621RUM / KX-TG6621UAB / KX-TG6621UAM / KX-TG6621CAB / KX-TG6621CAM / KX-TG6622CAB / KX-TGA661RUB / KX-TGA661RUM service manuals if exist.