Panasonic KX-TG8081RUB / KX-TGA806RUB Service Manual ▷ View online
65
KX-TG8081RUB/KX-TGA806RUB
KX-TG8081RU SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
CHARGE_DET
QSPI_IO1
QSPI_CS
QSPI_IO2
QSPI_IO0
QSPI_SCK
QSPI_IO3
PF_SUP
QSPI_IO3
QSPI_SCK
QSPI_IO0
QSPI_IO2
QSPI_IO1
QSPI_CS
ACFL
Q8
C614
1u
R615
56k F
R16
1
0k
R123
NC
(3216)
R14
100k
R18
27k
R27
100k
R19
8.2k
R23
100k
*R20
R29
0
*R30
C22
1u
C18
NC
C57
N
C
R21
12
C14
C56
K0.1u
TP9
C23
NC
R24
39k
C27
50 10u
R28
470k
C155
(1005) NC
R33 1k
R35
1k
R10
100k
R8
100k
C61
100n
R117
3.3k
C75
100n
*D16
*D15
NC
A
K
NC
AK
C306
NC
C305
1u
F1 3A
*R2
NC
D21
Q9
R106
220
220
R109
220
C2
NC
C167
N
C
C7
100n
C8
100n
C65 D10p
L2T
L2R
D26
N
C
ANT1
RF_RXn
RXON
ANT2
RF_RXp
Q5
C9
680p
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
C3
680p
C4
680p
C54
33n
C55 82n
R34 82k
C53 820p
*R7
*R9
*Q2
R22
2
7
R37
3.9k
R32
82k
C52
820p
R40
270
C171
D10p
2.7k
0.25W
RA1
1k
1
2
3
4
R38 1k
+3.0_CP
RF_TXp
RF_TXn
TXON
TXON
R71
10k
R611
10k
P1
C136
D10p
C137
D10p
C168
D10p
C169
D
10p
C170
D10p
+1.8V
GAP
D3
4
3
1
2
C320
100n
R320
2.2k
GND
C16
NC
C17
NC
C15
NC
R116
0
TP10
GND
C141
NC
D9
NC
+5.5V
Q3
+1.8V
+2.4V
+2.85V
+1.8V
+2.85V
R95
D10
NC
Q10
NC
NC
1u
C86
C30
NC
C88
0.01u
R130
1k
C623
C622
NC
R129
10k
C156
NC
C39
NC
C38
C37
C36
220p
C602
180p
R605
4.7k
R811
NC
R126
NC
C626
NC
NC
D23
NC
C157
1000P
+1.8V
D22
NC
TP16
TP15
D28
NC
NC
R607
0.1
+5.5V
DC_IN J101
+5.5V
GND1
R93
680
R91
330
C702
NC
+3.0_CP
+2.85V
+2.85V
+2.85V
R364
NC
+5.5V
R609 12k
L1R L1T
DCP
DCM
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
PARADET/P3_4
14
RINGOUT/RINGING/P3_5
15
RINGn/P3_6
16
RINGp/P3_7
17
CIDINp/P3_2
18
VREFp
19
CIDINn/MICp
20
CIDOUT/MICn
21
MICh
22
VREFm
23
LSRp
24
LSRn
25
AVD
26
LDO_CTRL
27
ADC0/P3_3
28
ADC1/INT0/P1_0
29
NTC/ADC2
30
SOCp
31
SOCn
32
CHARGE_CTRL
33
P1_7/CHARGE
68
WLED_CUR_0
69
WLED_CUR_1
70
WLED_CUR_2
71
P2_1/ECZ2/PWM1/LED4
72
P2_0/ECZ1/PWM0/LED3
73
VDD2
74
LDORF_CTRL
75
RFP0n
76
RF_SUPPLY2
77
RF_SUPPLY_PA
78
RF_TXn
79
RF_TXp
80
RFP2
97
GND
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
C32
100u
16
6.3 1000u
R608 0.1
C640
NC
C704
0.1u
C701
0.1u
R612 0.1
Q23
D5 NC
D6 NC
NC
Q361
NC
SA1
2
1
SA2
NC
2
1
Q602
*Shield
1 2
6
7
9
11
3 4 5
8
10
12
Q22
R56
NC
(0.5W)
R55
NC
(0.5W)
R57
NC
R351
NC
+2.85V
C352
NC
R354
NC
+5.5V
NC
2.7V
2
VIN
1
VOUT
3
NC
4
VSS
CHARGE+
R358
10k
+5.5V
R355
NC
+5.5V
+1.8V
Q352
R352
NC
VDD3
VDD1
VDD2
1
2
3
4
5
1
*CS
2 SO/SIO1
6
SCLK
7
NC/SIO3
3 *WP/SIO2
8
VCC
4
GND
5
SI/SIO0
Q4
X1
10.368M
1
3
2
C29
0.1u
C431
0.1u
C142
560p
C76
10p
C74
NC
D27
N
C
*R124
R15
(3216)
*C12
NC
*C166
NC
*R17
2.2k
Q363
NC
R365
NC
R366 NC
+2.85V
Q351
NC
R610 22k
C77
NC
C358
NC
R369
NC
L3
22uH
GND
GND1
R367 22k
R353
22k
Q354
R368
NC
Q362
NC
R359
10k
R360
56k
R363
NC
R362
NC
R361
NC
*R31
*C19
*C25
*R12
*R13
*C28
3V DCDC convertor
DC_IN
Charge -
Charge +
Charge +
!
2.7k
390
0.027u
NC
NC
10
470
1200p
0.047u
10k
680
0.033u
IC7
IC7
IC351
IC2
IC431
(1)
(2)
(3)
(4)
(5)
2.85V
3.0V
1.8V
Rx AF
Rx RF
Tx AF
Tx RF
Caller ID
Bell signal
Loop current
0.75V
0V
250mVp-p
Bell signal
66
KX-TG8081RUB/KX-TGA806RUB
13.3. Schematic Diagram (Handset)
LCD_CD
LCD_SCL
LCD_SDA
SOCp
SOCn
BELL_LED
LCD_RESET
LCD_CSB
COL1
COL2
COL3
COL4
URX
KEY_LED
ROW3
ROW0
ROW1
CHARGE
CHARGE_CTRL
SOCn
COL2
COL1
ROW2
ROW3
COL4
ROW1
COL3
ROW0
COL5
COL0
ROW2
BELL_LED
UTX
JTAG
LDO_CTRL
SOCp
COL5
BATTERY_ON
CHARGE
CHG+
COLORLCDLED
COLORLCDLED
LCD_RESET
LCD_CSB
LCD_CD
LCD_SDA
LCD_SCL
CHG+
CHARGE_CTRL
BATTERY_ON
KEY_LED
C12
K10u
URX
POWER
GND
*R25
2.2k
*C14
K0.01u
*R22
3.3k
*C16
K10u
GND
R66
1k
R64
10k
R215
0
R63
100
RA61
220
1
2
3
4
*C184
D10p
UTX
+1.8V
R28 820
C138
NC
GND
GND
BATTERY
LED12
C139
NC
RF_TXn
RF_TXp
RF_TXp
RF_RXn
RF_RXp
RF_RXp
TXON
RXON
C44
K0.1u
R203
56k
F
GND
C43
D10p
C47
K1u
C17
NC
C11
K0.1u
C18
NC
VREFm
RA4
3.3k
3.3k
1
2
3
4
C13
K0.1u
K0.1u
GND
BATT-
C150
NC
BATTERY
GND
R45
0.1
BAT
BATT+
GND
C342
NC
GND
GND
C10
K2.2u
GND
+1.8V
1.8V
C341
NC
GND
C46
D10p
BATTERY
+1.8V
RA1
1k
1
2
3
4
6
5
7
8
STM
L46
L47
L47
GND
GND
C39
NC
R20
10
CKM
CP_V2
CP_V2
CP+3.0V
CP3.0V
C45
K0.1u
GND
C40
k0.1u
C49
K1u
K1u
C50
GND
K1u
C48
NC
VREFm
C96 D10p
C97 D10p
C865 10p
C866
1u
JTAG
R27
820
*C175
NC
*C580
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
*LED5
*LED2
NC
*LED6
*LED8
*LED3
NC
*LED7
*C8
K0.1u
*C7
K0.01u
GND
GND
GND
R30
1.5k
*C9
K0.1u
GND
GND
R5
1.2k
C35
0.1u
5
1 2
4
1 2
1
1 2
0
1 2
TALK
1
2
9
1 2
SHARP
1 2
SP
1 2
AST
1 2
8
1 2
3
1 2
R
1
2
2
1 2
SOFT_A
1 2
SOFT_C
1 2
SOFT_B
1 2
7
1 2
6
1 2
S1
1 2
C34
0.1u
GND
GND
*C173
NC
GND
C189
K1u
CP_V2
CP_V2
GND
C343
0.1u
C340
10p
GND
C345
10p
C344
0.1u
GND
GND
C5
0.1u
R23
1k
*R29
1k
*R50
NC
*C104
NC
*C107
NC
*C106
NC
*C103
NC
*R54
NC
*C105
NC
*R55
NC
R7
10k
GND
C51
K1u
C55
D10p
C54 D10p
C52
K10u
K10u
GND
C79
D10p
C78
D10p
C1
220u
6.3
RE2
C2
220u
6.3
RE2
C3
220u
6.3
RE2
D1
*IC7
1 CONT
2 GND
4
VOUT
5
VIN
3 NP
*D2
R1933k
GND
*C60
K1u
GND
*C61
K1u
*C62
K1u
CP2.8V
CP_V2
CHG+
CHG-
LEFT
1
2
DOWN
1 2
RIGHT
1 2
UP
1 2
*R70
0
CP2.8V
CP2.8V
*C63
J56p
J56p
D3
*R73
3.3k
*R74
470
*C68
NC
*C65
NC
*C69
NC
*R71
10k
*R72
10k
R33
100
R4
3.3(3216)
R3 1k
Q9
Q5
Q6
Q4
X1
10.368M
1
3
2
R31
10k
R8
30k
R9 30k
C19
K1000p
R6 NC
GND
Q7
*R53
NC
R10
1.5k
C53 K2.2u(2125)
F1
2.5A
*CN51
13
VDDIO
*CN51
9
RS/A0
*CN51
2
LED-
*CN51
3
AVDD
*CN51
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
IC1
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
PARADET/P3_4
14
RINGOUT/RINGING/P3_5
15
RINGn/P3_6
16
RINGp/P3_7
17
CIDINp/P3_2
18
VREFp
19
CIDINn/MICp
20
CIDOUT/MICn
21
MICh
22
VREFm
23
LSRp
24
LSRn
25
AVD
26
LDO_CTRL
27
ADC0/P3_3
28
ADC1/INT0/P1_0
29
NTC/ADC2
30
SOCp
31
SOCn
32
CHARGE_CTRL
33
P1_7/CHARGE
34
DP1/PAOUTp/P3_1
35
VDD_PA
36
DP0/PAOUTn/P3_0
37
ULP_XTAL
38
CP_C1x
39
CP_C2x
40
CP_C1y
41
VBAT_CP
42
CP_C2y
43
CP_VOUT1
44
CP_VOUT2
45
PON/P1_6
46
VDD1
47
P2_7/BXTAL
48
P1_5/INT5/RDI/VDDE
49
P1_4/INT4/TDOD
50
P1_3/INT3/SIO
51
P1_2/INT2/SK
52
P1_1/INT1/LE
53
P2_6/WTF_IN
54
P0_7/SPI_DI/PWM1
55
P0_6/SPI_DO
56
P0_5/SPI_CLK
57
P0_4/SPI_EN
58
P0_3/SCL2/URX2
59
P0_2/SDA2/UTX2
60
P0_1/URX/PWM0
61 P0_0/UTX
62 RSTn
63 JTAG
64 P2_5/PCM_FSC/SF
65 P2_4/SCL1/PCM_DO/DP3
66 P2_3/SDA1/PCM_DI/DP2
67 P2_2/PCM_CLK/CLK100
68 WLED_CUR_0
69 WLED_CUR_1
70 WLED_CUR_2
71 P2_1/ECZ2/PWM1/LED4
72 P2_0/ECZ1/PWM0/LED3
73 VDD2
74 LDORF_CTRL
75 RFP0n
76 RF_SUPPLY2
77 RF_SUPPLY_PA
78 RF_TXn
79 RF_TXp
80 RFP2
97
GND
*RA32
NC
1
2
3
4
5
5
6
7
8
*RA31
560
14
*RA30
560
1
2
2
3
3
4
6
7
8
GND
*R51
NC
*R52
NC
R1 NC
*C67
J100p
*R75
470
*C66
J100p
*C174
J56p
*C64
J56p
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
*C32 K0.1u (KX-TGA806 only)
*R18 100k (KX-TGA806 only)
NC: No Components
(1)
(2)
(3)
(4)
(5)
(5)
(7)
(6)
(9)
(10)
(11)
(13)
(12)
(14)
(8)
Charge Current
3.0V
3.0V
3.0V
RX_RF
TX_RF
!
KX-TGA806 only
67
KX-TG8081RUB/KX-TGA806RUB
RX AF (Handset)
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
6
5
5
7
8
C172
K0.1u
GND
CARBON_CL1
SP-PHONE_SPEAKER
+
-
VREFm
VREFm
C113
D10p
C74
NC
C75
NC
C152
K1000p
K1000p
*C71
J33p
*C70
J33p
GND
RECEIVER
+
-
GND
BATTERY
C188
K1u
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
3
5
*R306
100
VREFm
GND
VREFm
*C33
K0.1u
*R34
100k
*R32
100k
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
R101
NC
C704
K0.1u
K0.1u
GND
AT1
@TP2-ANT-DECT1
1 2
RF-SHIELD
1
6
8
10
12
2 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
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
only TGA806
Mic
KX-TGA806 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
(1)
(2)
(3)
(4)
(5)
(5)
(7)
(6)
(9)
(10)
(11)
(10)
(11)
(13)
(12)
(14)
(8)
RX_RF
TX_RF
TX_AF
Headset RX
Headset TX
SP-phone RX/Beep
68
KX-TG8081RUB/KX-TGA806RUB
13.4. Schematic Diagram (Charger Unit)
J1
2
1
G
TP1
TP2
F1
R1
6.8 (2W)
SCHEMATIC DIAGRAM (Charger Unit)
!
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