Read Panasonic KX-TG8051RUB / KX-TG8051RUW / KX-TG8051RU1 / KX-TG8051UAB / KX-TG8051CAB / KX-TG8052RUB / KX-TG8052RUW / KX-TGA806RUB / KX-TGA806RUW / KX-TGA806RU1 Service Manual Supplement online
21
2.85V
Loop current
Caller ID
Bell signal
Bell signal
0.75V
0V
250mVp-p
Bell signal
Rx RF
Tx RF
Tx AF
Rx AF
Charge
current
current
Optional charge detector
NC: No Components
KX-TG8051 SCHEMATIC DIAGRAM (Base Unit_Main)
!
DC_SENSE
DC_CTRL
PF_SUP
QSPI_IO3
QSPI_SCK
QSPI_IO0
QSPI_IO2
QSPI_IO1
QSPI_CS
ACFL
DC_CTRL
DC_SENSE
DC_I
CHARGE_DET
DC_I
Q8
R615
56k F
R16
10k
*R123
NC
(3216)
R14
100k
R18
27k
C17
NC
R27
100k
R19
8.2k
R23
100k
C18
NC
C57
NC
TP9
C23
NC
R28
470k
C56
K0.1u
C22
1u
C155
(1005)
NC
R33
1k
R35
1k
R10
100k
R8
100k
R117
3.3k
C75
100n
D16
NC
A
K
D1
5
NC
A
K
C306
NC
C305 1u
F1 3A
R2
NC
*D21
.
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
Q5
C9
680p
C10
680p
LINE_DC
C1
NC
R36
120k
R4
1M
R6
1M
R3
180k
R5
180k
C5
10n
C6
10n
C42
10n
C43
10n
R42
4.7M
R43
4.7M
C3
680p
C4
680p
C54
33n
C55
82n
82n
R32
82
k
C52
820p
C53 820p
*R7
NC
*R9
NC
*Q2
R37
3.9k
R15
2.7k
0.25W
R38
1k
+3.0_CP
RF_TXp
RF_TXn
TXON
TXON
R611
10k
P1
+1.8V
GAP
D3
4
3
1
2
GND
C16
NC
C15
NC
R116
0
R29
0
TP10
GND
C141
NC
Q3
+1.8V
+2.85V
+1.8V
J101
DC_IN
+2.85V
C88
0.01u
R129
10k
*R126
NC
CHARGE+
+1.8V
D22
.
TP16
TP15
R607 0.1
+5.5V
+5.5V
GND1
R93
680
R91
330
R605
4.7k
C602
180p
C38
220p
+2.85V
+2.85V
*R364
10k
+5.5V
R609 12k
L1R
L1T
DCP
DCM
C32
100u
16
R608
0.1
R612
0.1
D5
NC
D6
NC
D9
NC
SA1
2
1
SA2
NC
2
1
*Q22
NC
R56
1
(0.5W)
R55
1
(0.5W)
*R57
1.8k
*R351
3.9k
+2.85V
C352
NC
*R354
10k
+5.5V
*IC351
2.7V
2
VIN
1
VOUT
3
NC
4
VSS
CHARGE+
R358
10k
+5.5V
*R355
680
+5.5V
+1.8V
*R352
56k
VDD3
VDD1
VDD2
IC2
1
2
3
4
5
Q4
X1
10.368M
1
3
2
C29
0.1u
*R24
NC
C142
560p
*D27
NC
*R124
10
(3216)
*C12
NC
*C166
NC
*R12
10k
*R13
680
*R365
47k
*R366 10k
+2.85V
*Q351
R610 22k
R369
NC
GND
GND1
R367
22k
R353
22k
*R368
22k
R359
10k
R360
56k
*R363
1.5k
*R362
68
*R361
68
R34 82k
R40
NC
IC7
3
RFP1
4
RFP0
5
REF_RES
6
AVS_XTAL
7
XTAL2
8
XTAL1
9
AVD_XTAL
10
RF_SUPPLY1
11
P3_4/PARADET
25
P3_3/ADC0
26
P1_0/INT0/ADC1
27
SOCp
28
SOCn
29
DC_SENSE
30
DC_I
31
DC_CTRL
80
P2_0/ECZ1/PWM0/LED3
81
LDORF_CTRL
82
VDD3
83
RFP0n
84
RF_SUPPLY2
1
RF_RXn
2
RF_RXp
12
P3_5/RINGOUT/RINGING
13
P3_6/RINGn
14
P3_7/RINGp
23
VDD/AVD
24
LDO_CTRL
85
RF_SUPPLY_PA
86
RF_TXn
87
RF_TXp
15
P3_2/CIDINp
88
RFP2
89
GND
16
VREFp
17
CIDINn/MICp
18
CIDOUT/MICn
19
MICh
20
VREFm
21
LSRp
22
LSRn
C172
2200p
*C156
NC
C614
1u
C617
0.1u
C431
0.1u
C39
NC
IC431
1
*CS
2
DO/IO1
6
CLK
7
*HOLD/IO3
3
*WP/IO2
8
VCC
4
GND
5
DI/IO0
R21
12
R22
27
C358
0.1u
C351
0.1u
Q352
Q354
Q602
*Q363
*Q362
*Q361
RA1
1k
1
2
3
4
C623
1u
C36
1000u
6.3
*Q23
NC
C27
10u
25
*R25
39K
L3
22u
C86
1u
*R17
2.2k
*C14
0.027
u
*R20
2.7k
*C19
1200p
*R30
390
*R31
470
*C28
0.033u
*C25
0.047u
C76
10p
C171 NC
C136 NC
C137 NC
C168
NC
C169
NC
C170
NC
3V DCDC convertor
DC_IN
Charge -
Charge +
(1)
(2)
(3)
(4)
(5)
(6)
Click on the first or last page to see other KX-TG8051RUB / KX-TG8051RUW / KX-TG8051RU1 / KX-TG8051UAB / KX-TG8051CAB / KX-TG8052RUB / KX-TG8052RUW / KX-TGA806RUB / KX-TGA806RUW / KX-TGA806RU1 service manuals if exist.