Explay Atom Service Manual
C142
8.2pF
W_PA_OUT_B1
BPI0~4 and 10~11 are 2G+3G mode both
BPI5~9 and 12~14 are 3G mode only
(suggest BPI5~9 = 1.8V)
L161
4.7nH
C141
L140
4.7nH
8.2pF
LNA matching
and common mode trap
IND0402#1NH
1nH
L148
IND0402#1NH
L147
1nH
IND0402#1NH
L149
IND0402#1NH
L150
WCDMA_DP(S)_B1
3
TX
1
RX
8
RX
L146
33nH
IND0402#33NH
1nH
1nH
IND0402#33NH
MURATA
U104
GND
GND
GND
GND
9
7
5
2
4
L151
33nH
ANT
GND
8
1
3
2NH
10pF
L139
3NH
7
5
2
GND
GND
U105
U106
GND
GND
7
5
2
L138
0402
2.2nH
9
WCDMA_DP(S)_B5
GND
6
ANT
6
ANT
GND
GND
9
WCDMA_DP(S)_B8
C137
NC 0402
L145
1.2nH
0402
NC
L144
L152
1.5NH
1.2nH
0402
6.8nH
C143
L153
0402
56pF
6.8nH
C154
56pF
47PF
0402
WCDMA_TRX_B1
WCDMA_TRX_B5
W_PA_OUT_B5
W_PA_OUT_B8
WCDMA_TRX_B8
6
4
RX
GND
GND
RX
TX
3
TX
1
RX
8
RX
GND
4
3.9NH
VTCXO_PMU
VRF18_PMU
R117
R116
0R
0R
VTCXO28-1
VRF18-1
OTHER_RX
IND0402#2.2NH
L129
2G_LB
C128
0402
NC
2G_HB
C125
0402
NC
AUXADC_REF
THERM_ADC
GND_AUXADC
connect pin2 GND to MT6223 pin B2 first then connect to GND near B2.
2.2nH
0402
IND0402#3.3NH
L126
3.3nH
0402
C130
NC
C127
NC
Footprint compatible with 3225 footprint
0402
GND
1
UNBALANCED_PORT(L)
4
UNBALANCED_PORT(H)
RX_BALUN_SAW_MT6255
U103
C1178
1uF6.3V
GND3GND
R1176
R1177
2
5
10
GND
GND
0R
0R
VTCXO28-1
BALANCDE_PORT(L)
BALANCDE_PORT(L)
BALANCED_PORT(H)
BALANCED_PORT(H)
NC
100K_1%
R1174
R1175
NC
R1173
9
8
7
6
U108
1 3
GND
GND
4
2
26M_MT6166_2.5X2.0
VRF18-1
VTCXO28-1
SRCLKENA
SRCLKENA
CLK4_AUDIO
SYSCLK_WCN
CLK1_BB
DCXO_32K
C136
12nH
0402
C135
12nH
0402
C133
6.2nH
0402
C132
6.2nH
0402
0402
U102
1 3
GND
GND
4
2
L159
39nH
IND0402#39NH
L158
7.5nH
IND0402#7.5NH
GND
C124
0.47uF
26M_MT6253_3.2X2.5
0402
C115
0.47uF
GND
VDD1V8_LC
VDD1V8_PMU
VRF18-1
VTCXO28-1
SRCLKENA
SRCLKENA
MT6166
GND
U101
D3
E3
C2
J2
C3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
B40_RXP
B40_RXN
LB_RXP
LB_RXN
HB_RXP
HB_RXN
VRXHF
RFVCO_MON
XTAL1
XTAL2
VTCXO28
32K_EN
EN_BB
CLK_SEL
XO3
GND
GND
GND
GND
GNDC5GNDD5GNDE5GND
J4
0R
TDD RX
26M output
GND
GND
F5
D7
CLK4_AUDIO
G3
H3
C4
D4
A1
B1
C1
D1
E1
G2
H2
K1
G1
K2
E4
G4
H4
F3
J3
F1
F2
J1
L1
L2
F4
R108
Reserved LC filter
A2
A3
B3
3GB1_RXP
3GB5_RXP
3GB1_RXN
XO
XO4
XO2L4XO1
K4
K3
SYSCLK_WCN
CLK1_BB
DCXO_32K
B4
A5
B5
3GB2_RXP
3GB5_RXN
MT6166
OUT32K
XMODEK7VXODIG
L5
K6
K5
C107
1uF10V
GGE_PA_HB_IN
C156
IND0402#2NH
B8
A6
B6
2GHB_TX
3GB8_RXP
3GB2_RXN
3GB8_RXN
MT6166
RX(I/Q)
VRXLF
AVDD_VIO18
RX_IPK8RX_IN
L7
L8
VRF18-1
RX_I_P
W_PA_LB_IN
W_PA_B1_IN
2nH
A8
A10
3GL5_TX
3GH1_TXA93GH2_TX
TXOFDD RX
RX_QPK9RX_QN
K10
RX_I_N
RX_Q_P
RX_Q_N
GGE_PA_LB_IN
B11
A11
VTXHF
2GLB_TX
TX(I/Q)
Test pin
BSI
BSI_ENH6BSI_CLK
G6
C106
B10
C10
D11
DET
GND
GNDC7GND
BSI_DATA0
GNDJ5GND
F8
E7
J7
C8
GNDC9GND
GNDJ8GND
GND
GND
GND
GND
GND
GND
DETGND
TMEAS
V28
3GTX_IP
3GTX_IN
3GTX_QP
3GTX_QN
TXVCO_MON
VTXLF
TXBPI
RCAL
TST2
TST1
BSI_DATA2
BSI_DATA1
GND
GND
GND
GND
GNDD6GNDE6GNDF6GND
C6
VRF18-1
PDET
D9
E9
F9
G9
H9
J9
D10
C11
E10
G10
G11
F10
F11
L11
J11
H10
J10
K11
L10
G8
H8
B7
J6
D8
E8
TMEAS
VRF18-1
BSI-A_DAT0
BSI-A_CK
BSI-A_EN
C157
0.47uF
0R
VRF18-1
R101
TXBPI
TX_I_P
TX_I_N
TX_Q_P
TX_Q_N
BSI-A_DAT2
BSI-A_DAT1
C104
VTCXO28-1
C103
0.47uF
VRF18-1
0.47uF
2K
R105
MODE
Logic
DCXO + 32K XO
DCXO + 32K-Less
DCXO_
32K_EN
0(GND)
1(VTXCO28)
XMODE
VXODIG
1(VIO18)1(VIO18)
1(VTXCO28)1(VTXCO28)
VTCXO28-1
VTCXO28-1
R160
NC
0.47uF
Title
RF-2G
Size Document Number Rev
A1
Date: Sheet of 91
Wednesday, January 02, 2013
MT6572 REF PHONE
V1.0
ASM_VCTRL_A
ASM_VCTRL_B
WG_GGE_PA_ENABLE
ASM_VCTRL_C
WCDMA_TRX_B8
WCDMA_TRX_B5
WCDMA_TRX_B1
2G_LB
2G_HB
VBAT_RF
+
R222
C219
0402
10uF
51R
C218
1uf_25V
24
23
22
21
20
19
18
C217
33pF
14
15
16
17
VCC
TRX6
TRX5
TRX4
TRX3
TRX2
TRX1
VRAMP
GND31GND32GND33GND34GND35GND36GND37GND38GND39GND40GND41GND42GND43GND44GND
30
GND
TXEN
MODE
U201
GSM_PA_SKY77589_QB
13
VBATT
12
BS1
11
BS2
GND2GND
1
9
10
TX_LB_IN
GND6GND7GND8GND
5
GND
TX_HB_IN
ANT
GND
GND
GND
GND4GND
3
C213
18pF
C212
0402
NC
C210
4.7nH
0.5pF
0402
25
26
27
28
29
R208
0R
C209
0402
C207
NC
CAP0402#22PF
L206
0402
GGE_PA_LB_IN
22pF
IND0402#18NH
L205
GGE_PA_HB_IN
RF_CONN_MM8430-2600
U202
IN
OUT
1
18nH
ANT201
4
0402
R201
C203
NC
0R
0402
C202
NC
ANT202
ANT203
WG_GGE_PA_VRAMP
R225
10K
R224
24K
0402
C223
220pF
W_PA_OUT_B8
VDD2V8_PMU
W_PA_B5_EN
W_PA_B8_EN
RF_WCDMA_SP2T_2.0X2.0
W_PA_OUT_B5
C254
0402
1uF6.3V
6
5
4
C252
VDD
V2
V1
0402
C257
56pF
13
GND
0402
N/C
GND
U204
3
7
GND
56pF
GND
GND
RFC
GND
1J12
C244
NC
L241
1nH
0402
27R
0402
L245
1nH
33R
C240
NC
R237
R236
L243
22nH
27R
0402
R239
51R
WCDMA_PA_SKY77758_QB
18
GND17GND16GND15GND
14
REOUT_LB
13
GND
12
VCC
11
RFOUT_HB
10
CPL_IN
9
GND
8
CPL_OUT
GND21GND20GND19GND
22
U203
VEN_LB
RFIN_LB
VBATT
RFIN_HB
NC
VMODE
VEN_HB
C232
1000pf
C246
0603
1000pF
C233
+
10uF
0402
1
C230
2
3
C234
4
5
6
7
18pF
0402
R235
56pF
NC
W_PA_LB_EN
W_PA_LB_IN
W_PA_B1_IN
VM1
VM0
W_PA_B1_EN
0402
C231
0201
22pF
C247
2.2uF
VBAT_RF
NC
C250
0402
9J28
10
11
12
NC
C255
0402
W_PA_OUT_B1
PDET
0402
0402
C242
0.5pF
place near U203
R238
11
10
9
8
7
6
GND
VCC2
RF_OUT
CPL_IN
GND
CPL_OUT
VMODE1
VMODE0
WCDMA_PA_SKY77761_B1
VCC1
RF_IN
VEN
U205
1
2
3
4
5
Footprint compatible with single PA
A1 V1.0
Friday, April 29, 2011
11
2 9ofSheetDate:
RevDocument NumberSize
RX_I_P
RX_I_N
RX_Q_P
RX_Q_N
TX_I_P
TX_I_N
TX_Q_P
TX_Q_N
VM0
VM1
TXBPI
WG_GGE_PA_VRAMP
D2
DL_I_P
C2
DL_I_N
B1
DL_Q_P
C1
DL_Q_N
A2
UL_I_P
B2
UL_I_N
B4
UL_Q_P
B3
UL_Q_N
A8
VM0
A7
VM1
D5
TXBPI
F2
APC
F3
VBIAS
MT6572_LPDDR2
U301-A
BPI_BUS0
BPI_BUS1
BPI_BUS2
BPI_BUS3
BPI_BUS4
BPI_BUS5
BPI_BUS6
BPI_BUS7
BPI_BUS8
BPI_BUS9
BPI_BUS10
BPI_BUS11
BPI_BUS12
BPI_BUS13
BPI_BUS14
BPI_BUS15
BSI_DATA2
BSI_DATA1
BSI_DATA0
BSI_EN
BSI_CLK
B12
B11
C12
A11
D11
C11
A13
A10
B10
D10
E9
E8
B9
B8
E7
D7
D6
C7
F9
F11
G11
ASM_VCTRL_A
ASM_VCTRL_B
ASM_VCTRL_C
WG_GGE_PA_ENABLE
GPIO_I2C_SDA
CTP_RST_2V8
GPIO_I2C_SCL
W_PA_B1_EN
W_PA_LB_EN
W_PA_B5_EN
W_PA_B8_EN
KP_LED_EN
SIM_I2C_SDA
EINT_ALSPS
SIM_I2C_SCL
BL_EN
BSI-A_DAT2
BSI-A_DAT1
BSI-A_DAT0
BSI-A_EN
BSI-A_CK
AUD_MISO
AUD_CLK
AUD_MOSI
PMIC_SPI_MOSI
PMIC_SPI_MISO
PMIC_SPI_SCK
PMIC_SPI_CS
WATCHDOG
SRCLKENA
EINT_PMIC
SIM1_SCLK
SIM1_SIO
SIM2_SCLK
SIM2_SIO
U301-D
J1
AUD_DAT_MISO
K5
AUD_CLK_MOSI
K1
AUD_DAT_MOSI
L2
PMIC_SPI_MOSI
L5
PMIC_SPI_MISO
L4
PMIC_SPI_SCK
K2
PMIC_SPI_CSN
G2
WATCHDOG
H4
SRCLKENA
J2
EINTX
H5
SIM1_SCLK
M3
SIM1_SIO
J5
SIM2_SCLK
M1
SIM2_SIO
MT6572_LPDDR2
SIM2_SRST
SIM1_SRST
FRONT_CMPDN
FRONT_CMRST
MIPI_RDN0
MIPI_RDP0
MIPI_RDN1
MIPI_RDP1
MIPI_RCN
MIPI_RCP
MIPI_TDN0
MIPI_TDP0
MIPI_TDN1
MIPI_TDP1
MIPI_TCN
MIPI_TCP
close to BB
R301
1.5K
U301-G
L25
CMPDN2
K25
CMRST2
H22
CMPDN
J22
CMRST
R24
RDN0
R23
RDP0
R22
RDN1
R21
RDP1
R26
RCN
T26
RCP
P19
TDN0
P20
TDP0
N25
TDN1
N26
TDP1
P23
TDN2
P24
TDP2
N20
TCN
N19
TCP
P26
VRT
MT6572_LPDDR2
MIPI_CAM
MIPI_LCD
MIPI_2nd_CAM
Parallel 8-bit
CMMCLK
CMPCLK
RCN_A
RCP_A
RDN1_A
RDP1_A
RDN0_A
RDP0_A
CMDAT3
CMDAT2
CMDAT1
CMDAT0
Y22
Y23
V25
W25
V24
V23
U22
U21
Y26
Y25
AA25
AB25
CMMCLK_BB
CMPCLK_BB
CMVREF
CMHREF
CMDAT7
CMDAT6
CMDAT5
CMDAT4
CMDAT3
CMDAT2
CMDAT1
CMDAT0
VDD1V8_PMU
VDD1V8_PMU
VUSB_PMU
cap Close to BB IC
C324
0402
0.1uF
dedicate VSS ball, must return to cap then to main GND:
1. REFN(G6) => C109
2. DVSS18_MIPIRX(U25) => C107
3. DVSS18_MIPITX(P25) => C101
C320
0402
0.1uF
C325
0402
0.1uF
C326
1uF6.3V
C327
1uF6.3V
T25
DVDD18_MIPIRX
U25
DVSS18_MIPIRX
R25
DVDD18_MIPITX
P25
DVSS18_MIPITX
H23
AVDD18_USB
G24
AVDD33_USB
G23
AVSS33_USB
F6
REFP
G6
REFN
MT6572_LPDDR2
AC21
GND
AD11
GND
AF13
GND
AB11
GND
AC8
GND
AB5
GND
AB14
GND
W26
GND
T15
GND
W23
GND
T14
GND
AF26
GND
G3
GND
K21
GND
L11
GND
L12
GND
L14
GND
L15
GND
L16
GND
M5
GND
M11
GND
M12
GND
M13
GND
M14
GND
M15
GND
M16
GND
N10
GND
N8
GND
N9
GND
N11
GND
N12
GND
N13
GND
N14
GND
N15
GND
N16
GND
P10
GND
N22
GND
P11
GND
P12
GND
P13
GND
P14
GND
P15
GND
P16
GND
R10
GND
R11
GND
R12
GND
R13
GND
R14
GND
R15
GND
R16
GND
T10
GND
T11
GND
T12
GND
T13
GND
AF1
VSS
U10
VSS
U11
VSS
V13
VSS
W11
VSS
Y21
VSS
U301-B
BG
U301-H
DVDD18_PLLGP
VCC
Memory
DVDD
Peripheral
VCC
CPU
VCC
Core
AVDD28_DAC
AVDD18_AP
AVDD18_MD
AVSS18_MD
AVSS18_MD
AVSS18_MD
AVSS18_MD
VCCIO_EMI
VCCIO_EMI
VCCIO_EMI
VCCIO_EMI
VCCIO_EMI
DVDD18_MC0
DVDD18_CAM
DVDD18_VIO_1
DVDD18_VIO_2
DVDD18_VIO_3
DVDD18_LCD
DVDD3_MC1
DVDD3_LCD
DVDD28_BPI
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK_CPU
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
F1
E5
U9
D3
A1
A4
C3
E2
W9
W12
W14
W16
W19
AA1
K20
L3
J19
H13
AB24
K24
W24
C10
P6
T7
P7
P8
P9
R6
R7
R8
R9
T6
U6
T9
T8
U7
J9
J15
M9
K6
K7
K8
K9
K11
K14
K15
M10
K16
K17
U17
M17
L7
L8
L9
L17
M6
M7
M8
J17
J16
R17
T16
L6
K12
T17
J10
J11
U12
U13
U14
U15
U16
J8
J14
0402
cap Close to BB IC
C321
0402
0.1uF
C329
0.1uF
C306
1uF6.3V
Close to BB IC, recommand < 150mil
VTCXO_PMU
VDD1V8_PMU
VDD1V8_PMU
C322
0402
0.1uF
C323
0402
0.1uF
If double-sided SMT, put C301 & C302 below BB.
If single-sided SMT, put C301 & C302 around memory.
DVDD_EMI
C303
C307
C308
C309
C331
0201
0402
0402
0402
0402
0402
C332
100nf
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
C301
0201
100nf
0201
C302
100nf
C310
C311
C312
C313
VMC_PMU
VDD2V8_PMU
1uF6.3V
1uF6.3V
1uF6.3V
1uF6.3V
C314
2.2uF
C305
1uF6.3V
C315
2.2uF
0R
R307
C304
1uF6.3V
Based on your system level
design , if better FM performance
is needed on your system ,
please refer to FM desense
performance enhance proposal
C316
4.7uF
C317
10UF6.3V
C318
10UF6.3V
C319
10UF6.3V
VDD1V8_PMU
120MIL
VPROC_PMU
VDD1V8_PMU
BACK_CMPDN
BACK_CMRST
R302
close to BB
5.1K
100K
R308
90-ohm differential
2.2K
2.2K
R305
R306
100K
R309
SCL_0
SDA_0
SCL_1
SDA_1
CLK1_BB
CLK32K_BB
RESETB
CHD_DP
CHD_DM
USB_DM
USB_DP
MSDC1_CMD
MSDC1_CLK
MSDC1_DAT0
MSDC1_DAT1
MSDC1_DAT2
MSDC1_DAT3
0402
C330
100pF
U301-E
E1
CLK26M
H2
CLK32K_IN
M2
SYSRSTB
G4
TESTMODE
AC24
FSOURCE
J26
CHD_DP
J25
CHD_DM
G26
USB_DM
G25
USB_DP
H25
USB_VRT
C25
SCL_0
C26
SDA_0
B24
SCL_1
B23
SDA_1
F24
SPI_MISO
F25
SPI_MOSI
F23
SPI_SCK
E23
SPI_CS
K23
MC1_CMD
L21
MC1_CK
K22
MC1_DAT0
M22
MC1_DAT1
M25
MC1_DAT2
L26
MC1_DAT3
B7
AUX_IN0
B6
AUX_IN1
C5
AUX_IN2_XP
B5
AUX_IN3_YP
C4
AUX_IN4_XM
A5
AUX_IN5_YM
MT6572_LPDDR2
SYSTEM
BC 1.1
USB 2.0
i2C
SPI
T-flash
ADC
PWM
LCD
Parallel
KP
UART
PWM_A
PWM_B
LPD17
LPD16
LPD15
LPD14
LPD13
LPD12
LPD11
LPD10
LPD9
LPD8
LPD7
LPD6
LPD5
LPD4
LPD3
LPD2
LPD1
LPD0
LPCE0B
LPTE
LRSTB
LPRDB
LPA0
LPWRB
KROW0
KROW1
KROW2
KCOL0
KCOL1
KCOL2
UTXD1
URXD1
UTXD2
URXD2
D12
E12
N1
N2
N3
P2
N4
R2
N5
R1
P5
T1
R5
T2
T5
U2
T3
U5
T4
V2
AD25
AB26
AC26
AA22
AB23
AC25
B25
A24
B26
C24
D24
A25
E25
D25
E26
F26
CTP_EINT_1V8
LPTE
LCM_RST
EINT_HP
CTP_RST_1V8
KROW0
KCOL0
KCOL1
AUDIO_PA_EN
UTXD1
URXD1
UTXD2
URXD2
A26
DUMMY
MT6572_LPDDR2
Title
BB- Power
Size Document Number Rev
A1
Date: Sheet of 93
Wednesday, January 02, 2013
MT6572 REF PHONE
1
V1.0
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