Service Manuals, User Guides, Schematic Diagrams or docs for : Sony Ericsson Mobile Phones Сотовый телефон Sony Ericsson K750 SONY ERICSSON K750 3
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Normally not used
VBT VBT_28 VBT_28
R3214 R3261 shall be Not mounted and
VBATTi VDIG 0ohms C3251, C3252, C3253, C3254, C3256
N3210
shall be Mounted if BGB204 is used.
C3254
100nF
[VREG]
NM
5 N3200
ON
R3215 BGB203-POWER
OFF 0ohms
13 VDDRF GND 1
NM C3251
100nF 44 VDDIORF GND 3
4 3 NM
IN OUT VMEM
GND 4
C3214 1 2
1uF GND BYPASS R3261
18 VDDA/VDDO GND 5
NM R3260
C3216 VBT_18 0ohms 6
LP298528V_LEADFREE GND
4,7uF
RYT113904/10 C3215 0ohms
NM 2.8V 10nF NM 24 VDDC/VDDIO1 GND 7
Leadfree NM
26 VDDIO1 GND 8
C3258
22pF GND 9
NM C3256 C3255
100nF 35 VDDC GND 10
100nF
SP3230
VMEM
N3200
36 VDDIO2
BGB203-MAIN
43 RESET
RESOUT2n R3230 C3252 C3253
30 SYSCLKREQ28/GPIO15 23 100nF 100nF 49
Mount close to Bluetooth module 120Kohms GND
SYSCLKREQ18/GPIO10 NM NM
R3224 20 10Kohms
XTALP/CLK OSC/CLK
R3221 BGB203_R2A
19 XTALN ROK103006/2 R3A
BTSYSCLK
0ohms 27 XTAL1_LPO
4.7kOhm if C3222
BTSYSCLK is R3223 1nF 28
MCLK @ typ 400mVpp sine (default) SYSCLK0 is used XTAL2_LPO
8,2Kohms
OR SYSCLK0 @ 2.8V square NM 16 CLKREQ28
I2C GPIO1/SDA
CLKREQ28
R3222
RTCCLK GPIO0/SCL 17
RTCCLK CLKREQ15
0ohms CLKREQ15
PCM
PCMDATA 32 DB_IP/GPIO9 DA_IP/GPIO6 33 PCMDATB
PCMDATA PCMDATB
PCMSYNC 31 FSC_IP/GPIO7 DCLK_IP/GPIO8 34 PCMCLK
PCMSYNC PCMCLK
UART/USB
29 VBUS_USB
37 DN_USB
SP3220 SP3210
38 DP_USB
42 CTS/LD_USB/GPIO2 39
UARTRTS3 GPIO3/CNCT_USB/RTS UARTCTS3
40 RXD/GPIO5 GPIO4/TXD 41
UARTTX3 UARTRX3
GPIO
22 GPIO11 GPIO14 11 SP3219 SP3209
12 GPIO12 GPIO16 25
21 GPIO13 GPIO17 14
SP3222
RF X3210
50 Ohm 1 NM
15 VANLO ANT 2
X3211
1 NM
JTAG
48 TCK TDO 46
VMEM VDIG VBATTi VBT 47 TDI
45 TMS
BGB203_R2A
ROK103006/2 R3A
VMEM
VDIG
VBATTi
VBT
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