Panasonic KX-TG8051RUB / KX-TG8051RUW / KX-TG8051RU1 / KX-TG8051UAB / KX-TG8051CAB / KX-TG8052RUB / KX-TG8052RUW / KX-TGA806RUB / KX-TGA806RUW / KX-TGA806RU1 Service Manual / Supplement ▷ View 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)
22
3.4.2.
Schematic Diagram (Handset)
[Changed from original section “13.3. Schematic Diagram (Handset)”]
LCD_SCL
BELL_LED
LCD_RESET
LCD_CSB
COL1
COL3
COL4
KEY_LED
SOCn
COL2
COL1
ROW2
ROW3
COL4
ROW1
COL3
ROW0
COL5
COL0
BELL_LED
UTX
JTAG
SOCp
COL5
CHARGE
COLORLCDLED
LCD_RESET
LCD_CSB
LCD_CD
LCD_SDA
LCD_SCL
CHARGE_CTRL
BATTERY_ON
KEY_LED
BATTERY_ON
SOCp
COL2
HEADSET_DET
LDO_CTRL
COL0
CHARGE_CTRL
CHARGE
URX
LCD_CD
LCD_SDA
QSPI_I02
QSPI_I01
QSPI_CS
QSPI_I00
QSPI_SCK
QSPI_I03
COLORLCDLED
ROW1
ROW2
ROW3
ROW0
HEADSET_DET
SOCn
URX
POWER
GND
*R25
2.2k
*C14
K0.01u
*R22 3.3k
*C16
K10u
GND
R66
1k
R64
10k
C172
K0.1u
GND
*C184 D10p
UTX
+1.8V
R28
820
GND
GND
BATTERY
LED12
RF_TXn
RF_TXp
RF_TXp
RF_RXn
RF_RXp
RF_RXp
TXON
RXON
C44
K0.1u
R203
56k
F
GND
C43
D10p
C11
K0.1u
C13
K0.1u
GND
BATT-
BATTERY
R45
0.1
BAT
BATT+
GND
GND
+1.8V
1.8V
GND
C46 D10p
BATTERY
+1.8V
RA1
NC
NC
1
2
3
45
6
7
8
STM
L46
L47
L47
CKM
CP_V2
CP_V2
CP+3.0V
CP3.0V
C45 K0.1u
GND
C40
k0.1u
C49 K1u
GND
BATTERY
C188
K1u
VREFm
C96
D10p
C97
D10p
CP+3.0V
GND
CP+3.0V
GND
JTAG
R27
820
*C175
NC
CN5
4
RESETB
CN5
6
SCLK
CN5
5
A0
CN5
9
VDDA
CN5
2
OPT_PWR
CN5
10
VSS
CN5
11
V0
CP2.8V
CN5
3
LCD_CSB
GND
CN5
1
GND
CN5
8
VDD
CN5
12
GND
GND
*LED9
*LED4
*LED1
NC
NC
NC
*LED5
*LED2
*LED6
*LED8
*LED3
*LED7
GND
GND
R30
1.5k
GND
GND
C35
0.1u
5
12
4
12
1
12
0
12
TALK
1
2
9
12
SHARP
12
SP
12
AST
12
8
12
3
12
R
1
2
2
12
SOFT_A
12
SOFT_C
12
SOFT_B
12
7
12
6
12
S1
1
2
C34
0.1u
GND
GND
C189
K1u
CP_V2
CP_V2
GND
C344
0.1u
GND
C5
0.1u
R23
1k
*R29
1k
*R50
NC
*C107
NC
*C106
NC
*C103
NC
*R54
NC
*C105
NC
*R55
NC
R7
10k
C55
D10p
GND
C54 D10p
C2
220u
6.3V
*R18
100k
(KX-TGA806 only)
R19
33k
GND
*C32
K0.1u
(KX-TGA806 only)
*C60
K1u
GND
*C61
K1u
*C62
K1u
CP2.8V
CP_V2
CHG+
CHG-
LEFT
1
2
DOWN
12
RIGHT
12
UP
12
*R70
0
CP2.8V
CP2.8V
*C63
J56p
R100
100k
R101
NC
C704
K0.1u
*R73
3.3k
*R74
470
*C68
NC
*C65
NC
*C69
NC
*R71
10k
*R72
10k
R4
3.3(3216)
Q5
Q6
Q4
*X1
10.368M
1
3
2
R31
10k
R8
30k
R9 30k
C19
K1000p
K1000p
*R53
NC
F1
2.5A
*CN51
13
VDDIO
*CN51
9
RS/A0
*CN51
2
LED-
*CN51
3
AVDD
*CN51
K1MN14BA0111
14
VDD
*CN51
10
/CS
*CN51
6
VGL
*CN51
8
SDA/SDI
*CN51
11
/RESET
*CN51
5
C11B
*CN51
12
GND
*CN51
1
LED+
*CN51
7
SCL/SCK
*CN51
4
C11A
Q2
CN5
7
SID
L48
*RA32
NC
1
2
3
45
6
7
8
*RA30
560
1
2
3
45
6
7
8
*R51
NC
*R52
NC
*C67
J100p
*R75
470
*C66
J100p
*C174
J56p
*C64
J56p
*R11
1.0
*R13
680
GND
*Q12
*Q10
*Q11
*R6
220k
GND
*R14
1k
IC1
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
32
VBAT
33
CHARGE_CTRL
47
QSPI_IO2
48
QSPI_IO1
49
QSPI_CS
50
VDDIO_QSPI
51
QSPI_IO3
52
QSPI_SCK
53
QSPI_IO0
54
VDD1
55
P2_7/BXTAL
76
P2_2/PCM_CLK/CLK100
77
WLED_CUR_0
78
WLED_CUR_1
79
P2_1/ECZ2/PWM1/LED4
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
34
P1_7/CHARGE
35
P3_1/DP1/PAOUTp
36
VDDPA
45
CP_VOUT2
46
P1_6/PON
56
P1_5/INT5/RDI/VDDE
57
P1_4/INT4/TDOD
58
P1_3/INT3/SIO
74
P2_4/SCL1/PCM_DO/DP3
75
P2_3/SDA1/PCM_DI/DP2
85
RF_SUPPLY_PA
86
RF_TXn
87
RF_TXp
15
P3_2/CIDINp
37
P3_0/DP0/PAOUTn
59
P1_2/INT2/SK
88
RFP2
89
GND
16
VREFp
17
CIDINn/MICp
18
CIDOUT/MICn
19
MICh
20
VREFm
21
LSRp
22
LSRn
38
CP_VBAT1
39
CP_C1x
40
CP_C2x
41
CP_C1y
42
CP_VBAT2
43
CP_C2y
44
CP_VOUT1
60
P1_1/INT1/LE
61
P2_6/WTF_IN
62
P0_7/SPI_DI/PWM1
63
P0_6/SPI_DO
64
P0_5/SPI_CLK
65
P0_4/SPI_EN
66
P0_3/SCL2/URX2
67
P0_2/SDA2/UTX2
68
P0_1/URX/PWM0
69
P0_0/UTX
70
VDD2
71
*RSTn
72
JTAG
73
P2_5/PCM_FSC/SF
GND
GND
C191
k0.1u
GND
D3
RA40
10k
1
2
3
45
6
7
8
*IC3
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
VSS
5
SDA
CP2.8V
CHG+
CHG+
C10
1u
C52
1u
C50
1u
C47
1u
C701
1u
C866
1u
C190
NC
C51
1u
C53 2.2u
C12
2.2u
Q7
Q9
*RA31
560
1
23
4
RA61
220
1
2
3
4
RA4
3.3k
1
2
3
4
IC4
VJ1
1
*CS
2
SO/SIO1
6
SCLK
7
NC/SIO3
3
*WP/SIO2
8
VCC
4
GND
5
SI/SIO0
R5
1.2k
C41
NC
C56
NC
C139
NC
C138
NC
C702
10p
*C580
NC
*C173
NC
*C104
NC
VREFm
BELL LED
(Amber)
(Amber)
TO RF BLOCK
To Battery
MICp
MICn
(MAX500mA)
to LCD UNIT(Monochrome 1.8inc FullDot for TGA661)
Heat Shield
KEY B/L
LCD B/L
CHARGE
Terminal
Terminal
Amber LCD B/L(TGA661EU)
only TGA806
1.5inc TFT Colour LCD I/F
NC: No Components
3.0V
3.0V
RX_RF
TX_RF
Charge Current
KX-TGA806 only
!
(1)
(2)
(2)
(3)
(4)
(4)
(5)
(6)
(7)
(8)
(8)
23
NC: No Components
KX-TGA806 SCHEMATIC DIAGRAM (Handset_Main)
RX_RF
TX_RF
TX_AF
RX AF (Handset)
SP-phone RX/Beep
GND
PCB
RE1
CARBON_CL1
SP-PHONE_SPEAKER
+
-
VREFm
VREFm
C113
NC
C74
NC
C75
NC
C152
K1000p
K1000p
*C71
J33p
*C70
J33p
GND
RECEIVER
+
-
GND
VREFm1
*C110
K1000p
*L72
L9
VREFm1
*C83
D10p
*L308
*C82
K470p
*C127
K1000p
*C86
K10u
VREFm1
GND
VREFm1
*L74 10
VREFm
*C185
K1000p
*CN4
Headset Jack
1
4
2
3
5
*R306
100
VREFm
GND
*C33
NC
*R34
100k
GND
C76
K2200p
C77
K2200p
C79
D10p
D10p
C78
D10p
GND
AT1
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
C73
NC
NC
C72
NC
D13
D14
D21
D22
GND
GND
GND
C822
10p
C820
0.5p
GND
GND
C804
2p
RF_TXp
GND
C811
10p
C826
1.1p
L809
1p
VBAT
GND
RF_TXn
C812
NC
DA801
1
2
3
GND
GND
R806
220
RXON
GND
GND
TXON
R807
220
C837
NC
GND
GND
GND
RF_RXp
C813
1p
C814
NC
RF_RXn
C803
1.5p
GND
GND
GND
C825
10p
*Q31
+1.8V
GND
*R32 47k
*R86
NC
C802
2p
C805
2.7p
C806
2.7p
C810
2.5p
LSRp
LSRn
Test Pattarn for Carbon
MICp
MICn
MICh
LSRp
HEADSET_DET
only TGA806
W 0.15mm
L 5.0mm
1st layer
L 5.0mm
1st layer
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
L 7.6mm
Gap 0.125mm
1st layer
W 0.15mm
L 20mm
3rd layer
L 20mm
3rd layer
W 0.15mm
L 20+/-2mm
3rd layer
L 20+/-2mm
3rd layer
Pre-matching
W 0.15mm
L 5.0mm
1st layer
L 5.0mm
1st layer
BPF
RF BLOCK
(1)
(2)
(2)
(3)
(4)
(4)
(5)
(6)
(7)
(8)
(8)
24
Memo
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