Analogue Baseband And Power Management - Panasonic EB-X300 Service Manual

11.3. Analogue Baseband and Power Management

VVCXO VSIM VEXT VRTC VCORE VMEM
VBAT
R630 100K
U602
R631 0R
1 5
YMU_AVCC_ON
N O
2
I
3 4
C G
SC1563ISK-3.0
CLKON
CLKOUT_GATE
/ABB_RESET
CLKOUT
INT_ABB
RXON
TXON
ASM
ASDI
ASDO
ASFS
TO
BASEBAND
BSDI
BSIFS
BSDO
BSOFS
CSDI
CSDO
CSFS
NRESET
KEYROW4
POWERKEY
PWRON
SYS_PWRON
F321
D301
1A32V FUSE
CRS03 U303 FDC640P
CHG_PWR 1 2 4
U301
4 3
2 5
1 6
EMD2
PCB Footprint = UMT6
VBAT
R220 0R
R6
VRTCIN
T7
VRTC VRTC
N1
VCORE
VCORE
P1
VCORE
T2
VMEM
VMEM
T3
VMEM
A4
VEXT
VEXT
B4
VEXT
D16
VVCXO
VVCXO
T6
VSIM
VSIM
E15
NC(VUSB)
E16
NC(VAPPGATE)
F16
NC(VAPP)
C2
RINGTONE GPI
B14
AFC
AFCDAC
B12
RAMP PA
A12
TO
IP
IP
RF BAND A13
IN IN
A15
QP
QP
A14
QN QN
YMU_AVCC
C16
REFEN
A16
REFPWR
C228 4.7U
H16
VABB
C229 0.1U R1
CRST
L16
ABL1 LIGHT1
M15
ABL2
LIGHT2
M16
ABL3 LIGHT3
A2
VCXOEN
J2
MCLKEN
M1
ABBRESET
L1
MCLK
CLKOUT
D1
INT
K1
RXON
K2
TXON
J1
ASM
D2
ASDO
E1
ASDI
F2
ASFS
E2
BSDO
G1
BSOFS
G2
BSDI
F1
BSIFS
H1
CSDO
H2
CSDI
L2
CSFS
T1
RESET
NRESET
T13
KEYOUT
TP230
T14
KEYON
U202
DAN222
2
3
R7
DBBON
1
VCHG A5
VCHG
VBAT
D303
CRS03
U300 SI5435
R310 0.3R
VBATSENSE B8
1 5 1 1 2
VBATSENSE
2 2
5 3
ISENSE A7
6 6 ISENSE
7
8
GATEDRIVE A6
GATEDRIVE
N15
LGND
R8
SGND
T8
SGND
T16
AGND4
L15
AGND3
A11
AGND2
B16
AGND1
TP240
LOUD_SPEECH
K16
AOUT3N(R)
EXT_SPK
J16
AOUT3P(L)
TO
BASEBAND
EXT_SPK
R13
AIN3P(L) TP241
R14
AIN3N(R)
B9
TP210
TEMP1
B10
AUXADC1 TP211
HPOUT
A9
AUXADC2 TP212
U201
Analogue Baseband Processor
T15 R210 1.2M
IBIAS
C213 0.01U
B5
CHGOSC
B7 R211 430R
CHGDACREF
B15 C212 1U
REF
VREFBB VREFOUT
B11
REFOUT
A10
REFBB
J15
AOUT1P
K15
AOUT1N
N16
VMIC
R11
AOUT2P
T11
AOUT2P
R9
AOUT2N
T9
AOUT2N
P16 MICP
AIN1P
R16 MICN
AIN1N
P15 AUXMICP
AIN2P
AUXMICN
R15
AIN2N
A8
TEMP2
D15 REFCHG
REFCHG
B6 BATTYPE
BATTYPE
M2
DGND
T5
GND_NET1
F15
GND_NET2 50 mils
– 11-3 –
C620
R620 R621
0.1U
510R 5.1K
LOUD_SPEECH
C621 C622
R622 R623
YMU_AVCC
2.2K
2.2K
0.1U 6800p
HPOUT
VREF
C624
VEXT
0.1U
C625 9 17
VREF spout1
0.1U
8 18
VSS spout2
7 19
VDD MTR
C626 0.01U 6 20
PLLC D7
5 21
NC D6
NRESET 4 22
RST D5
3 23
YMU_IRQ
IRQ D4
U601
2 24
LED D3
1 25
CLKOUT
CLKI D2
VEXT
C627 0.1U
NCPU_RD
ADD2
YMU_CS
NCPU_WR
PJ_FUNC_SEL
PJ_ACC_INT
R342 0R
C340 10U
VMEM
R353 0R
C343 10U
EXT_MLD
VMEM
U302
R345
NC7SB3157
100K
1 6 EXT SPK
S
B1
1
2 5
GND VCC
0
3 B0 A 4
R348 TBD
EXT_MIC
CHG_PWR
R248 0R
RECEIVER+
R249 0R
RECEIVER-
R245 510R
8 mils
R336 0R
MICP
VEXT
R212 200K
MICN C334
VBAT
TP301
TP_VBAT
CON301
BAT_CON
TP303 AUXMICP
3
VBAT
AUXMICN
2
BAT_TEMP
TP302
TP_GND 1
GND
Vin
TX/
SPK GND
MIC/RX/D-
D+
Vin
TP620
J601
R624 0R
1
R625 0R
2
DAT7
SPK CONN
DAT6
DAT5
TP621
DAT4
DAT3
DAT2
DAT1
DAT0
TP341
DAT[0..7]
Rx
DAT[0..15]
R343 TBD
USB_D–
R344 0R
USC1
TO
BASEBAND
R340 TBD
USB_D+
VMEM
TP340
Tx
C346 0.1U
R341 8.2K
USC2
VMEM
C347
J301
33PF
PHONEJACK-B
Vin 7
Vin 6
TX 2
SPK 4
MIC/RX 5
TX 3
GND 1
FN340
ESD-A6V1
TP213
LS202
RECEIVER
TP214
VMIC
2.138
1.705
MIC330
MIC GPAD
0.1U 1.568
MIC331
GND
VMIC
B350
BLM15BD102SN1D
EXT_MIC
C351
0.1U