70
KX-PRL260/KX-PRL262/KX-PRD260/KX-PRD262/KX-PRLA20
14.2. Schematic Diagram (Base Unit_Main)
14.2.1.
KX-PRL260/PRD260
BT headset Tx
Cell Phone Rx
BT headset Rx
Cell Phone Tx
BT headset Rx
Cell Phone Tx
BT headset Tx
Cell Phone Rx
VDD4: 3.0V
VDD5: 3.0V
SPI_DO
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
KEYS_A
KEYS_B
KEYIN1
KEYIN2
CELL2_LED
CELL1_LED
SP_LED
ANS_LED
BT_UTX
KEYIN2
PCM_DI
PCM_CLK
PCM_DO
PCM_FSC
KEYIN3
KEYIN3
BBIC_PLAY
BT_PLAY
I2C_SCL
I2C_SDA
SPI_DO
SPI_CLK
BT_EN
BT_URX
BT_RST
KEYIN1
KEYS_B
KEYS_A
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_SIO
+1.8V_BT
C505
0.1u
C513
0.1u
C601
0.1u
+3.0V
C458
0.033u
C457
0.033u
STM/CKM/P15
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
70
71
72
73
P0_3/SCL2/URX2
74
P0_2/SDA2/UTX2
75
P0_1/URX/PWM0
76
P0_0/UTX
77
RSTn
Q731
RA601
560
1
2
3
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
OJ6
BT_TMS
BT_TCK
BT_1.8V
L781
4.7n
RA501
220
1
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
16M FLASH
1 *CS
2 DO/IO1
6
CLK
7
*HOLD/IO3
3 *WP/IO2
8
VCC
4 GND
5
DI/IO0
ANT_TP-BT
1
2
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
+
-
SPR
+
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
RA651
1k
1
2
3
4
6
7
8
LED654
GREEN
A
K
LED652
RED
A
K
LED653
GREEN
A
K
LED651
RED
A
K
+5.0V
+1.8V
C421
0.1u
+1.8V
C722
1u
C723
1u
RA401
2.2k
14
+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
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
L472
12n
L473
12n
L474
C481
1500p
C482
1500p
C484
1500p
C483
1500p
Q710
R711
100k
Q711
+1.8V_BT
+1.8V_BT
C710 0.01u
R710
10k
SW905
BT
2
4
1
3
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
C901
10p
L902
27n
L901
27n
MIC
AP1
BT BLOCK
+
-
-
+
D-AMP INPUT SELECTOR
*PCM1 L2C
PCM2 MUSIC PLAY
KEY PCB (-B)
MIC PCB (-C)
MICN
MICP
2
3
12n
L471
12n
SPR
SPL
5
4
5
P0_7/SPI_DI/PWM1
P0_6/SPI_DO
P0_5/SPI_CLK
P0_4/SPI_EN
69
70
71
72
68 P5_4
GND
RF_RXn
GND
OJ2
TXON
RF_RXp
GND
ANT1_TP
GND
OJ1
OJ5
RF_TXp
RXON
ANT2_TP
OJ4
RF_TXn
GND
GND
GND
+3.0V
OJ3
GND
GND
ANT1-Short
ANT1-S-GND
C851
NC
C857
10p
C855
10p
C853
10p
GND
ZA1
NC
6
7
9
11
8
10
5
12
C862
1.5p
C860 1.1p
C863
1.8p
GND
R861
51
GND
GND
L861
2n
GND
L862
27n
C861
10p
C859
10p
DL801
3
TX
5
6
ANT
4
8
9
1
RX
DA802
1
2
3
open-stub
SL
W=2.0mm
L=10.8mm
SL
W=0.2mm
L=20.0mm
W 0.15mm
L 22+/-4mm
1st or 4th layer
TX-balun
SL
W=0.3mm
L=39.0mm
RX-balun
MSL
W=0.175mm
L=3.6mm
S=0.125mm
open-stub
SL
W=2.2mm
L=5.0mm
open-stub
SL
W=0.6mm
L=20.0mm
MSL
W=0.25mm
L=2mm
50 ohm line
total L=4mm
SL
W=0.3mm
L=6.95mm
open-stub
SL
W=2.9mm
L=2.8mm
MSL
W=0.25mm
L=2mm
LPF
SLx2
W1=0.2mm
L1=3.3mm
W2=0.7mm
L2=5.0mm
W 0.15mm
L 22+/-4mm
1st or 4th layer
SL
W=0.3mm
L=6.5mm
MSL
W=0.25mm
L=5mm
MSL
W=0.25mm
L=5mm
RF
open-stub
SL
W1=0.2mm
L1=3.0mm
W2=0.7mm
L2=4.3mm
2
7
2
3
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
IC501
R652
1k
1 2
3 4
12
12
NC: No Components
RF_Rx
RF_Tx