Panasonic KX-PRL260RUB / KX-PRLA20RUB Service Manual ▷ View online
69
KX-PRL260RUB/KX-PRLA20RUB
13 Schematic Diagram
13.1. For Schematic Diagram
13.1.1.
Base Unit (Schematic Diagram (Base Unit_Main))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. The schematic diagrams may be modified at any time with the development of new technology.
13.1.2.
Handset (Schematic Diagram (Handset_Main))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams may be modified at any time with the development of new technology.
2. The schematic diagrams may be modified at any time with the development of new technology.
Important Safety Notice:
Components identified by mark have special characteristics important for
safety. When replacing any of these components, use only the manufacture's
specified parts.
Components identified by mark have special characteristics important for
safety. When replacing any of these components, use only the manufacture's
specified parts.
70
KX-PRL260RUB/KX-PRLA20RUB
13.2. Schematic Diagram (Base Unit_Main)
BT headset Rx
Cell Phone Tx
Cell Phone Tx
BT headset Tx
Cell Phone Rx
Cell Phone Rx
BT headset Tx
Cell Phone Rx
Cell Phone Rx
BT headset Rx
Cell Phone Tx
Cell Phone Tx
VDD4: 3.0V
VDD5: 3.0V
NC: No Components
RF_Rx
RF_Tx
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(7)
(8)
SHORT
SHORT
SHORT
SHORT
SHORT
GND
SPI_DO
SPI_CLK
TAM_CSn
SPI_CLK
TAM_CSn
I2C_SCL
CHARGE_DET
I2C_SDA
TAM_CSn
SPI_DI
SPI_DI
BT_URX
BT_UTX
EEP_SCL
EEP_WP
EEP_SDA
EEP_WP
EEP_SDA
KEYS_A
KEYS_B
KEYIN1
KEYIN2
KEYS_B
KEYIN1
KEYIN2
BT_UTX
PCM_DI
PCM_CLK
PCM_DO
PCM_FSC
KEYIN3
BBIC_PLAY
BT_PLAY
I2C_SCL
I2C_SDA
I2C_SDA
SPI_DO
SPI_CLK
BT_EN
BT_URX
BT_RST
KEYS_A
KEYS_B
KEYIN1
KEYIN2
KEYIN3
CELL2_LED
CELL1_LED
SP_LED
ANS_LED
R601
3.3k
C451
10u
R451
390
+3.0V_CP
R505
1k
ANT_BT
BT_URX
BT_GND
BT_TDO
BT_UTX
C721
0.1u
BT_SOT
BT_MDO
BT_MDO
BT_SIO
+1.8V_BT
C505
0.1u
C513
0.1u
C601
0.1u
+3.0V
C458
0.033u
C457
0.033u
STM/CKM/P15
43
DP0/PAOUTn/P3_0
44
P4_5
45
P4_6
46
P4_7
47
CP_VBAT1
48
CP_C1x
49
CP_C2x
50
CP_C1y
51
CP_VBAT2
52
CP_C2y
53
CP_VOUT1
54
CP_VOUT2
55
PON/P1_6
56
VDD2
57
P2_7/BXTAL
58
P1_5/INT5/RDI/VDDE
59
P1_4/INT4/TDOD
60
P1_3/INT3/SIO
61
P1_2/INT2/SK
62
P1_1/INT1/LE
63
P2_6/WTF_IN
64
P5_0
65
P5_1
66
P5_2
67
P5_3
68
P5_4
69
P0_7/SPI_DI/PWM1
70
P0_6/SPI_DO
71
P0_5/SPI_CLK
72
P0_4/SPI_EN
73
P0_3/SCL2/URX2
74
P0_2/SDA2/UTX2
75
P0_1/URX/PWM0
76
P0_0/UTX
77
RSTn
78
JTAG
Q731
RA601
560
1
2
3
45
6
7
8
RA451
2.2k
1
2
3
4
RA452
2.7k
1
2
3
4
C508
1u
C512
1u
MICP
RSTN
VDD4
VDD5
JTAG
MICN
RF_RXn
GND
OJ2
TXON
OJ6
RF_RXp
GND
OJ1
RF_TXp
RXON
ANT2_TP
12
OJ4
RF_TXn
GND
GND
+3.0V
OJ3
GND
C857
10p
C855
10p
C853
10p
BT_TMS
BT_TCK
BT_1.8V
L781
4.7n
RA501
220
1
2
3
4
+3.0V_CP2
IC722
1.8V REG
1
CE
2
GND
3
VOUT
4
VDD
+3.0V_CP2
C509
1u
+1.8V_BT
+1.8V_BT
R731
100k R732
220k
IC601
NC
1
*CS
2
DO/IO1
6
CLK
7
*HOLD/IO3
3
*WP/IO2
8
VCC
4
GND
5
DI/IO0
ZA1
1
2
6
7
9
11
3
4
8
10
5
2
1
C862
1.5p
C860 1.1p
ANT_TP-BT
1
2
SPR+
SPR-
SPL+
SPL-
+3.0V
URX1
UTX1
GND1
URX2 UTX2
GND2
C401
4.7u
C402
0.1u
C403
0.1u
IC402
1
1*OE
2
1A1
18
1Y1
19
2*OE
3
2Y4
20
VCC
4
1A2
17
2A4
5
2Y3
16
1Y2
6
1A3
15
2A3
7
2Y2
14
1Y3
8
1A4
13
2A2
9
2Y1
12
1Y4
10
GND
11
2A1
R652
1k
RA651 1k
1
2
3
4
5
6
7
8
LED654
GREEN
A
K
LED652
RED
A
K
LED653
GREEN
A
K
LED651
NC
A
K
+5.0V
+1.8V
C421
0.1u
+1.8V
C722
1u
C723
1u
RA401
2.2k
1
23
4
+1.8V
RA402
NC
1
2
3
4
5
6
7
8
+1.8V
+1.8V
R403
10k
Q401
R401
NC
R402
0
+1.8V
CN651
K1MN06BA0111
1
2
3
4
5
6
PIO2
PIO1
+3.0V
R721
10k
Q732
+1.8V_BT
R733
100k R734
220k
R735
22k
ANT_BT_GND
GND
IC401
1
OUTL+
2
OUTL-
6
MCLK
3
ADDR
4
SDA
5
SCL
7
BCLK
8
GND1
9
LRCLK
10
SDATA
11
SAMOD
12
DVDD
13
*SD
14
OUTR-
15
OUTR+
21
GND5
20
PVDD2
19
GND4
18
GND3
17
GND2
16
PVDD1
C471
470p
C472
470p
C474
470p
C473
470p
GND
L862
27n
L472
12n
L471
12n
L473
12n
L474
12n
C481
1500p
C482
1500p
C484
1500p
C483
1500p
C861
10p
C859
10p
Q710
R711
100k
Q711
+1.8V_BT
+1.8V_BT
C710 0.01u
R710
10k
DA802
1
2
3
GND
GND
DL1
2
GND1
3
GND2
4
OUT
5
GND3
1
IN
L802
NC
GND
R801
51
GND
GND
GND
L801
3.3n
GND
C863
1.8p
DL2
3
TX
5
6
ANT
7
2
4
8
9
1
RX
IC721
BT module
17
MIC_AP
50
MIC_BIAS
18
GND9
19
RF
20
GND10
21
GND11
22
SPKR_LP
23
GND12
24
SPKER_LN
28
SWDL_CLK
29
SWDL_RX
30
SWDL_TX
31
PIO1
32
PIO2
33
MF1_P17
45
MF1_P18
34
MF1_P19
56
MF2_P60
42
PCM1_IN
53
PCM1_CLK
54
PCM1_OUT
35
PCM2_SYNC
36
PCM2_IN
47
PCM2_CLK
48
PCM2_OUT
37
BT_STATUS
38
BT_PERIODIC
3
GND3
4
GND4
5
MD0
6
URX
7
GND5
8
GND6
9
UTX
10
TCK
11
TDO
15
MIC_AN
16
GND8
39
SPKER_RN
51
SPKER_RP
25
GND13
26
GND14
27
VDD
55
MF2_P61
46
MF2_P62
43
GND16
44
GND17
41
PCM1_SYNC
49
BT_ACTIVE
52
WLAN_DENY
40
GND15
1
GND1
2
GND2
12
TMS
13
GND7
14
RESETB
C901
10p
L902
27n
L901
27n
MIC
AP1
SW901
UP
2
4
1
3
SW902
DOWN
2
4
1
3
CN901
1
KEYS_A
2
KEYS_B
3
KEYIN1
4
KEYIN2
5
KEYIN3
6
SW903
SP
2
4
1
3
SW904
LOCATOR
2
4
1
3
SW905
BT
2
4
1
3
BT BLOCK
open-stub
SL
W=2.0mm
L=10.8mm
SL
W=2.0mm
L=10.8mm
SL
W=0.2mm
L=20.0mm
W=0.2mm
L=20.0mm
W 0.15mm
L 22+/-4mm
1st or 4th layer
L 22+/-4mm
1st or 4th layer
TX-balun
SL
W=0.3mm
L=39.0mm
SL
W=0.3mm
L=39.0mm
RX-balun
MSL
W=0.175mm
L=3.6mm
S=0.125mm
MSL
W=0.175mm
L=3.6mm
S=0.125mm
open-stub
SL
W=2.2mm
L=5.0mm
SL
W=2.2mm
L=5.0mm
open-stub
SL
W=0.6mm
L=20.0mm
SL
W=0.6mm
L=20.0mm
MSL
W=0.25mm
L=2mm
W=0.25mm
L=2mm
50 ohm line
total L=4mm
total L=4mm
SL
W=0.3mm
L=6.95mm
W=0.3mm
L=6.95mm
open-stub
SL
W=2.9mm
L=2.8mm
SL
W=2.9mm
L=2.8mm
MSL
W=0.25mm
L=2mm
W=0.25mm
L=2mm
LPF
*open-stub
$N>l9g
SLx2
W1=0.2mm
L1=3.3mm
W2=0.7mm
L2=5.0mm
W1=0.2mm
L1=3.3mm
W2=0.7mm
L2=5.0mm
W 0.15mm
L 22+/-4mm
1st or 4th layer
L 22+/-4mm
1st or 4th layer
SL
W=0.3mm
L=6.5mm
W=0.3mm
L=6.5mm
MSL
W=0.25mm
L=5mm
W=0.25mm
L=5mm
MSL
W=0.25mm
L=5mm
W=0.25mm
L=5mm
RF
open-stub
SL
W1=0.2mm
L1=3.0mm(
SL
W1=0.2mm
L1=3.0mm(
-0.3mm)
W2=0.7mm
L2=4.3mm
L2=4.3mm
+
-
D-AMP
-
+
D-AMP INPUT SELECTOR
*PCM1 L2C
PCM2 MUSIC PLAY
PCM2 MUSIC PLAY
ITNI2r@OMQ
MIC PCB (-C)
MICN
MICP
KEY PCB (-B)
71
KX-PRL260RUB/KX-PRLA20RUB
NC: No Components
KX-PRL260RU SCHEMATIC DIAGRAM (Base Unit (Main))
Tx
VDD1: 1.8V
Caller ID
Power Supply
from Handset
from Handset
VDD2: 3.0V
5.5V
Rx
BELL
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(7)
(8)
QSPI_IO3
QSPI_SCK
BT_RST
QSPI_SCK
QSPI_IO3
QSPI_IO2
QSPI_IO1
QSPI_IO0
QSPI_IO3
QSPI_IO2
QSPI_IO1
QSPI_IO0
QSPI_CS
QSPI_IO0
PCM_CLK
PCM_DI
PCM_DO
EEP_SCL
CELL2_LED
CELL1_LED
ANS_LED
PDN_DET
BT_EN
EEP_SDA
EEP_WP
QSPI_CS
QSPI_IO1
QSPI_IO2
PDN_DET
SP_LED
PCM_FSC
CHARGE_DET
BBIC_PLAY
BT_PLAY
RF_TXp
RF_TXn
RF_TXn
R891
220
RF_RXn
RXON
RF_RXp
C502
1u
C503
10p
C504
0.1u
R166
8.2k
R165
27k
C142
K0.01u
R141
100k
R151
100k
*R144
N
C
Q141
B
E
C
L1T
P101
22
*R164
2.7k
L1R
R142
2.7k
(3216)
C152
0.01u
HAK_CL1
PNLB2402ZA-GW
PCB
RE1
R311
10k
R104
180k
R103
180k
+1.8V
C110
820p
R110
82k
C109
820p
R109
82k
C459
1000p
C516 0.1u
TXON
R892
220
+1.8V
C113
0.082u
R111
3.9k
R112
120k
C111
0.033u
R178
3.3k
+3.0V
+5.5V
+3.0V
CHARGE-
+3.0V
C351
1u
CHARGE+
DCP
+5.5V
R702
10k
F301
3.0A
3.0A
CHG+
DCM
+3.0V
+3.0V
GND
+3.0V
C518
0.1u
C501
0.1u
R322
100
R321
140
IC302
@OR2
3
IN
2
OUT1
1
ADJ
4
OUT2
D362
1SR154
A
K
C519
0.1u
C173
0.1u
C342
0.1u
C184
1u
VDD1
X501
H0J103500037
10.368M
1
3
2
Q301
Q161
B
C
E
SA101 270V
2
1
*Q702
*R146
10
(3216)
*R148
6
80
*Q144
*R147
1
0k
*C162
NC
IC501
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
30
AVD
31
LDO_CTRL
32
ADC0/P3_3
33
ADC1/INT0/P1_0
34
NTC/ADC2
35
SOCp
36
SOCn
37
MIC2n
38
MIC2p
39
CHARGE_CTRL
40
P1_7/CHARGE
41
DP1/PAOUTp/P3_1
42
VDD_PA
79
P2_5/PCM_FSC/SF
80
P2_4/SCL1/PCM_DO/DP3
81
P2_3/SDA1/PCM_DI/DP2
82
P2_2/PCM_CLK/CLK100
83
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/LED3
89
VDD3
90
LDORF_CTRL
91
RFP0n
92
RF_SUPPLY2
93
RF_SUPPLY_PA
94
RF_TXn
95
RF_TXp
96
RFP2
133
VSS/GND
IC501
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
132
VSS/GNDplane16
C174
2200p
RA611
3.3k
1
2
3
4
5
6
7
8
*R701
3.3k
+5.5V
R351
33k
Q353
C352
NC
R352
6.8k
C103
0.01u
C104
0.01u
D143
NC
AK
C181
NC
*Q701
D101
1
4
3
2
+3.0V_CP
C321
1u
C101 680p
C102 680p
C105
680p
C106
680p
R163
39
R371
1
R372
1
R356
10k
+1.8V
Q354
VDD2
R502
3.3k
R373
680
R354
12k
GAP
1
2
*C161
@NC
D142
NC
R168
4.7k
R501
56k
R120
NC
R119
NC
C121
NC
C120
NC
C116
100n
C115
100n
D133
NC
AK
D132
NC
AK
R143
NC
(3216)
*C166
NC
+1.8V
+1.8V
C517
0.1u
C611
0.1u
C514
10p
C515
0.1u
Q142
R167
NC
C341
330u
6.3
F1001
3.0A
VBUS
USB_GND
USB_GND
+5.5V +5.5V_2
+5.5V
C411
1u
+5.0V
R655
100
R656
100
VDD3
C311
1u
C412
10u
*R1001
75k
*R1002
49.9k
*R1003
43.2k
*R1004
49.9k
R510
NC
IC411
5.0V
3
NC
4
VIN
5
VOUT
1
ON/OFF
2
VSS
R101
5.6M
R102
5.6M
*CN1001
8pin
1
GND
2
GND
3
GND
4
D-
5
D+
6
VBUS
7
VBUS
8
VBUS
GND_USB
VBUS_USB
SA102
N
C
2
1
C165
NC
USB_GND
C1002
10u
D
N
G
_
B
S
U
D
N
G
_
B
S
U
C1001
2.2u
USB_GND
VBUS
IC1001
5.0V
1
NC
3
CE
5
VOUT
4
VDD
2
GND
D411
NC
D1001
6.8V
USB_GND
C506
0.1u
GND
C890
10p
R115
5.6M
R116
5.6M
R118
100k
R117
100k
D141
.
*C141
N
C
R152
130k
*R169
NC
*R162
39k
*C171
0.022u
*R160
820
*C164
NC
*R170
NC
*IC611
256k EEPROM
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
GND
5
SDA
*IC502
32M FLASH
1
*CS
2
DO/IO1
6
CLK
7
*HOLD/IO3
3
*WP/IO2
8
VCC
4
GND
5
DI/IO0
*R145
2.2k
*C167
1000p
(YELLOW)
(GREEN)
"( SC14442_B-E 4VDq93I,MW
DC Monitor
USB CHARGE
2.00V
+5.0V REGULATOR FOR D-AMP PVDD
POWER DOWN DET
Isolate part 2.0mm
2.68V
72
KX-PRL260RUB/KX-PRLA20RUB
13.3. Schematic Diagram (Handset_Main)
Rx RF
0.80V
0V
800mVp-p
Tx RF
Charge
1/2
SHORT
NR_LED
LCD_RESET
LCD_CS
BATTERY_ON
EEP_WP
BATTERY_ON
CHARGE_CTRL
CHARGE_DET
STB_CSTB_C
STB_DSTB_D
KIN_1
NR_LED
STB_BSTB_B
STB_ASTB_A
STB_F
SOCp
LCD_LED0
STB_ESTB_E
KEY_LED
SOCn
KEY_LED
LCD_SID
LCD_CD
LCD_RESET
LCD_CS
LCD_CD
LCD_SCL
LCD_SID
LCD_LED1
KIN_3
KIN_4
KIN_4
EEP_WP
KIN_2
LCD_SCL
GND
R61
1k
R60
NC
C69
K0.1u
GND
+1.8V
RF_TXn
RF_TXp
RF_TXp
RF_RXn
RF_RXp
RF_RXp
C44
K0.1u
R20
F56k
GND
GND
VBAT
GND
GND
VBAT
+1.8V
C45
K0.1u
GND
GND
C6
K0.1u
R7
820
R9
30k
Q3
R2
30k
C19
K1000p
R6
10k
GND
C866
K0.1u
CP4V
*R13
*R12
680k
*R11
680
*Q11
GND
GND
*Q10
Q6
DSC9001S0L
GND
R15
1.5k
CP4V
GND
C5
K0.1u
SOFT_C
RIGHT
1
SHARP
4
5
6
2
7
SP
P
U
3
8
AST
DOWN
LEFT
TALK
SOFT_A
0
9
ECO/R
C1
220u
6.3V
GND
*R10
1
C47
1u
C56
K1u
CHG+
JTAG
Q9
RA5
3.3k
BATT+
BATT-
UTX
URX
GND
*Q12
Q2
Q4
OJ4
R8
4.3
(3216)
RST
R45
0.1
CHG+
CHG-
CP3V
GND
C92
K0.1u
C91
K0.1u
C93
K0.1u
+1.8V
CP3V
RA2
560
VBAT
VBAT
NR
*LED1
*LED2
*LED4
*LED3
*LED12
*LED6
*LED5
LCD
4
GND
LCD
10
SCL
LCD
5
VDDI
LCD
8
CSX
LCD
K1MN11BA0111
11
VPNL
LCD
9
RESX
LCD
6
D/CX
LCD
7
SDA
*C2
NC
*C3
NC
GND GND
IC1
3
RFP1
4
RFP0
5
REF_RES
6
AVS_XTAL
7
XTAL2
8
XTAL1
9
AVD_XTAL
10
RF_SUPPLY1
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
VDD3
82
LDORF_CTRL
83
RFP0N
84
RF_SUPPLY2
1
RF_RXn
2
RF_RXp
57
QSPI_VDDIO
58
P2_6/WTF_IN
74
P2_4/SCL1/PCM_DO/DP3
75
P2_3/SDA1/PCM_DI/DP2
85
RF_SUPPLY_PA
86
RF_TXn
87
RF_TXp
59
P0_7/SPI_DI/PWM1
88
RFP2
89
60
QSPI_IO2
61
P0_6/SPI_DO
62
P0_5/SPI_CLK
63
QSPI_CS
64
P0_4/SPI_EN
65
P0_3/SCL2/URX2
66
QSPI_IO1
67
P0_2/SDA2/UTX2
68
P0_1/URX/PWM0
69
P0_0/UTX
70
VDD2
71
*RST
72
JTAG
73
P2_5/PCM_FSC/SF
*X1
10.368MHz
RA3
560
P1
1.1A
C15
J56p
C85
J56p
GND
C94
220p
C46
B2.7p
IC3
32k
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
VSS
5
SDA
TO RF BLOCK
To Charge
Terminal
Terminal
To Battery
NR LED
KEY B/L LED
1.77inch TFT Colour LCD
(EX = )
(US = )
White
Blue
(EX = )
(US = )
White
Blue
(1)
(2)
(2)
(4)
(3)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
1k
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