Panasonic KX-TG5581RUB / KX-TGA551RUB Service Manual ▷ View online
65
KX-TG5581RUB/KX-TGA551RUB
KX-TG5581RU 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
10k
R123
NC
(3216)
R14
100k
R18
27k
R27
100k
R19
8.2k
R23
100k
*R20
R29
0
*R30
C22
1u
C18
NC
C57
NC
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
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
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
27
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
D10p
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
NC
*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-TG5581RUB/KX-TGA551RUB
13.3. Schematic Diagram (Handset)
LDO_CTRL
COL0
CHARGE_CTRL
CHARGE
UTX
COL0
COL1
COL2
COL3
COL4
COL1
COL2
COL3
COL4
ROW3
ROW2
ROW1
CHARGE
CHARGE_CTRL
COL4
KEY_LED
BELL_LED_A
URX
LDO_CTRL
LCD_RESET
LCD_CD
LCD_SCL
LCD_SDA
JTAG
SOCp
LCD_CSB
ROW0
SOCn
COL5
COL1
COL2
COL5
ROW0
COL3
ROW1
ROW3
ROW2
SOCp
SOCn
KEY_LED
BELL_LED_A
BATT+
BATT-
R45
0.1
0.1
BATTERY
+1.8V
GND
R66
1k
F1
5.6n
C45
K0.1u
+1.8V
GND
C47
1u
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
C44
K0.1u
GND
R7
1.2k
R8
100
CP+4.0V
+1.8V
C40
k0.1u
RF_RXp
PON
PSEL
VDD_PADRV
TXp
TXn
TXn
TXON
RXON
RF_RXn
CP+3.0V
R215
0
Q7
Q2
Q4
BATTERY
C50 1u
C49
1u
CP+4.0V
GND
R63
100
R203
F56k
R64
10k
BATTERY
GND
C43
10p
C46
10p
C39
( )
GND
Q9
R20
10
LED12
D1
R330
1M
C332
1u
Q11
Q12
GND
GND
R332
27k
BATTERY
R331
27k
GND
GND
RA1
1k
1
2
3
45
6
7
8
GND
C53 K10u
C52 K10u
C54 D10p
GND
C55
D10p
C51
K1u
R27 820
C12
K10u
C17
D10p
C11
K0.1u
C13
K0.1u
RA4
3.3k
VREFm
C18 D10p
C96 D10p
R28 820
C97 D10p
VREFm
C48
( )
GND
R225
0
C10
K2.2u
C2
330u
6.3V
CP2
GND
GND
UTX
URX
GND
JTAG
BAT
CP4.0V
CP3.0V
POWER
CKM
1.8V
CHG(+)
CHG(-)
STM
C3
( )
C150
( )
RA61
220
1
2
3
4
C1
330u
6.3V
CP1
C331
1u
C182
3p
GND
L47
L46
R30
1.5k
R3
1k
R23
1k
R31
100
Power_adj
C5
K1u
D7
C340
( )
C341
J39p
C342
( )
GND
GND
GND
C38
( )
C138
( )
C139
( )
C860
10p
X1
10.368M
1
3
2
9
1 2
4
1 2
0
1 2
SOFT_C
1
2
8
1 2
RIGHT
1
2
2
1 2
1
1 2
5
1 2
7
1 2
DOWN
1
2
3
1 2
AST
1 2
R
1
2
SOFT_B
1
2
SP
1
2
TALK
1
2
UP
1 2
SHARP
1 2
6
1 2
SOFT_A
1
2
LEFT
1
2
S1
1 2
LED7
LED4
LED8
LED6
LED5
LED3
GND
1
VSS_LNA1
2
RF_RXp
21
CIDINp/VREFp
3
RF_RXn
4
VSS_LNA2
5
RFP1
6
RFP0
7
REF_RES
8
AVS_XTAL
22
RINGp/P3_7
23
RINGn/P3_6
24
RINGOUT/RINGING/P3_5
25
PARADET/P3_4
26
ADC0/P3_3
27
ADC1/INT0/P1_0
28
NTC/ADC2
41
CP_C2y
42
CP_VOUT1/LED1
43
CP_VOUT2/LED2
44
PON/P1_6
45
VDD1
46
P2_7/BXTAL
81
GND
9
XTAL2
10
XTAL1
11
AVD_XTAL
12
RF_SUPPLY1
13
LDO_CTRL
14
AVD
15
LSRn
16
LSRp
17
VREFm
18
MICh
19
CIDOUT/MICn
20
CIDINn/MICp
29
SOCp
30
SOCn
31
CHARGE_CTRL
32
P1_7/CHARGE
33
PAOUTp/P3_1
34
VDDPA
35
PAOUTn/P3_0
36
VBAT1
37
CP_C1x
38
CP_C2x
39
CP_C1y
40
VBAT2
47
P1_5/INT5/RDI/VDDE
48
P1_4/INT4/TDOD
49
P1_3/INT3/SIO
50
P1_2/INT2/SK
51
P1_1/INT1/LE
52
P2_6/WTF_IN
53
P0_7/SPI_DI
54
P0_6/SPI_DO
55
P0_5/SPI_CLK
56
P0_4/SPI_EN
57
P0_3/SCL2
58
P0_2/SDA2
59
P0_1/URX
60
P0_0/UTX
61
RSTn
62
JTAG
63
P2_5/PCM_FSC/SF
64
P2_4/SCL1/PCM_DO/DP3
65
P2_3/SDA1/PCM_DI/DP2
66
P2_2/PCM_CLK/CLK100
67
P2_1/ECZ2/PWM1/LED4
68
P2_0/ECZ1/PWM0/LED3
69
VDD2
70
LDORF_CTRL
71
RF_SUPPLY2
72
RFP0n
73
RFP4
76
VSS_PADR1
79
VSS_PADR2
77
RF_TXp
80
RFP2
75
VDD_PADR
78
RF_TXn
74
RFP3
C140
10p
GND
GND
C141
10p
C35
J56p
RA32
68
1
2
3
4
RA30
270
1
2
3
45
6
7
8
LED2
LED1
RF-SHIELD
12
3
4
5
6
7
RA31
560
1
2
3
4
CHARGE
Terminal
Terminal
BATTERY
BELL LED
NC: No Components
(Amber)
TO RF BLOCK
To PA
*IC1
(1)
(2)
(3)
(2)
(3)
(4)
(6)
(5)
(8)
(9)
(10)
(9)
(10)
(11)
(7)
C
harge Current
3.0V 4.0V
1.8V
0.75V
0V
250
mVp-p
TX _RF
RX _RF
67
KX-TG5581RUB/KX-TGA551RUB
LCD_SDA
LCD_SCL
LCD_CD
LCD_RESET
LCD_CSB
LCD_SCL
LCD_CD
LCD_RESET
LCD_CSB
BATTERY
GND
GND
GND
CP+3.0V
CP+3.0V
C188
K1u
C70
D10p
D10p
GND
D21
D22
C71
D10p
D10p
GND
C113
D10p
D10p
D3
( )
GND
D4
( )
GND
GND
C72
D10p
GND
C73
D10p
D10p
GND
C814
3.3n
R806
220
GND
TXp
R805 47
GND
GND
VDD_PADRV
TXON
GND
GND
C808
100n
GND
PON
GND
BATTERY
GND
1
PSET
2
VCCS
3
PI
4
PIX
7
PSEL
8
POX
9
PO
10
VCC
11
GND
5
PRAMP
6
PAON
GND
TXn
PSEL
GND
GND
GND
GND
GND
RF_RXp
RXON
GND
GND
GND
RF_RXn
R807
220
C837
NC
GND
CN5
VSS
10
CN5
GND
1
CN5
RESETB
4
CN5
V0
11
CN5
VDD
8
CN5
SCLK
6
CN5
LCD_CSB
3
CN5
A0
5
CN5
OPT_PWR
2
CN5
VDDA
9
CN5
SID
7
CN5
GND
12
C152
k1000p
DA801
1
2
3
L801
27n
TP_ANT1
C861
3p
C826
2p
C103
100p
R53
3.3k
C106
( )
R54
10k
GND
C105
100p
GND
GND
R51
470
470
GND
GND
GND
GND
C187
2.0p
C186
2.0p
R55
1k
R50
10k
C175
1u
R578
( )
GND
GND
GND
C806
3.3p
C805
3.3p
GND
R808
( )
VREFm
C74
D10p
C75
D10p
VREFm
R73
82
R74
82
D13
D14
D14
RA40
10k
1
2
3
45
6
7
8
C172
K0.1u
RA800
1k
1
2
3
4
Q880
NC
NC
GND
GND
GND
Power_adj
C881
( )
R880
( )
GND
GND
GND
GND
RECEIVER
1
+
2
-
SP-PHONE_SPEAKER
1
+
2
-
C107
J33p
C809
10p
C811
10p
C812
10p
C819
10p
C822
10p
C825
10p
C827
10p
C880 ( )
C104
10p
C580
10p
R52
1k
R802
82
C834
1.3p
GND
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
C810
2p
C813
2p
L803
2.7n
L802
2.7n
C820
NC
C804
1.8p
C802
1.8p
C803
1.5p
R801 680
MIC AP1
1
2
C863
5p
C864
5p
LSRp
LSRn
MICp
MICn
LSRp
LSRn
LSRp
to LCD UNIT (Monochrome 1.8inc FullDot)
IC3
IC801
(1)
(2)
(3)
(2)
(3)
(4)
(6)
(5)
(8)
(9)
(9)
(10)
(11)
(7)
KX-TGA551 SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
RX_RF
TX_RF
TX _AF
RX-AF (Handset)
Sp-phone RX/Beep
68
KX-TG5581RUB/KX-TGA551RUB
13.4. Schematic Diagram (Charger Unit)
J1
2
1
TP3
G
TP2
TP1
TP4
R1
12 (2W)
NC
A
K
F1
SCHEMATIC DIAGRAM (Charger Unit)
!
Click on the first or last page to see other KX-TG5581RUB / KX-TGA551RUB service manuals if exist.