Samsung SGH-E910 service manual

Samsung SGH-E910 service manual, GSM, Service Manual, Samsung, Seria E, Samsung SGH-E910

[ Pobierz całość w formacie PDF ]
GSM TELEPHONE
SGH-E910
GSM TELEPHONE
CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded Views and Parts List
4. Electrical Parts List
5. PCB Diagrams
6. Block Diagrams
                                                                                  1. SGH-E910 Specification
1-1. GSM General Specification
GSM900
Phase 1
EGSM 900
Phase 2
DCS1800
Phase 1
PCS1900
Freq. Band[MHz]
Uplink/Downlink
890~915
935~960
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range
1~124
0~124 &
975~1023
512~885
512~810
Tx/Rx spacing
45MHz
45MHz
95MHz
80MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot
Period/Frame
Period
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
Modulation
0.3GMSK
0.3GMSK
0.3GMSK
0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl
0pcl ~ 15pcl
0pcl ~ 15pcl
Sensitivity
-102dBm -102dBm -100dBm -100dBm
TDMA Mux
8
8
8
8
Cell Radius
35Km
35Km
2Km
-
1-1
SGH-E910 Speclflcation
1-2. GSM Tx Power Class
TX Power
control level
GSM900
TX Power
control level
DCS1800
TX Power
control level
PCS1900
5
33±2 dBm
0
30±3 dBm
0
30±3 dBm
6
31±2 dBm
1
28±3 dBm
1
28±3 dBm
7
29±2 dBm
2
26±3 dBm
2
26±3 dBm
8
27±2 dBm
3
24±3 dBm
3
24±3 dBm
9
25±2 dBm
4
22±3 dBm
4
22±3 dBm
10
23±2 dBm
5
20±3 dBm
5
20±3 dBm
11
21±2 dBm
6
18±3 dBm
6
18±3 dBm
12
19±2 dBm
7
16±3 dBm
7
16±3 dBm
13
17±2 dBm
8
14±3 dBm
8
14±3 dBm
14
15±2 dBm
9
12±4 dBm
9
12±4 dBm
15
13±2 dBm
10
10±4 dBm
10
10±4 dBm
16
11±3 dBm
11
8±4dBm
11
8±4dBm
17
9±3dBm
12
6±4 dBm
12
6±4 dBm
18
7±3 dBm
19
5±3 dBm
13
4±4 dBm
13
4±4 dBm
14
2±5 dBm
14
2±5 dBm
15
0±5 dBm
15
0±5 dBm
1-2
2. SGH-E910
Flow Chart of Troubleshooting
2-1 BASEBAND
2-1-1. Power ON
'Power On' does not work
Yes
Check the current
consumption more
than 100mA
No
Download again
Yes
Check the VBAT
more than 3.3V
No
Charge the Battery
Yes

Check the
VLDO7_1.8V
of U301 is more than
1.8V
No
Check
U301
and
C310
Yes

Check VCCD_1.5 of
U304=1.5V
No
Check
C315 and U301
Check
C343 and U304
Yes

Check VRF of
U301=2.9V
No
Check
U301
and
C314
Yes

Check C115
Freq = 13MHz
Vp-p > 0.8V
No
Check the clock
C115
Yes
Check the initial operation
Yes
END
2-
1
SGH-E910 Flow Chart of Troubleshooting
VDD34
C11
VSIM_2.9
VDD12
J13
UP_CLK N9
UP_IO P10
SIMCLK
UP_RST R10
U301
SIMRST
SIMDATA
SIM_IO J11
SIM_RST K11
SIM_IO
C309
VRTC_1.5
SIM_CLK
K14
SIM_RST
SIM_CLK
VSIM K12
VRTC
H11
LED2_DRV
G12
VCCD_1.8
KEY_BL
LED1_DRV G13
VCCA_2.9
RING_DRV
F13
VIB_DRV F15
VIB_DRV
VLDO_7 C12
VCCB_2.9
VLDO_6
A14
R303
VL5S_B
C9
VL5S_A D10
VLDO_5
B10
VRF_2.9
VL4S_B
B11
DCS_TX_EN
VCCD_2.9
VL4S_A A12
VLDO1_1.5V
GSM_TX_EN
VLDO_4 B12
VLDO_3 A13
VLDO_2 J12
VLDO_1
G11
VACC F14
CSN_PSC
K8
UP_CS
VBAT
VCCB_2.9
SCLK_PSC L8
SDO_PSC N7
UP_SCLK
C310
C311
C312
C313
C314
C315
C316
C317
BAT301
UP_SDO
UP_SDI
SDI_PSC
M7
VEXT E14
VBAT
E13
CH_BDRV
E11
R301
CH_ISEN F12
CH_RES D14
VCCB_2.9
ICHRG
ADC_AUX2
D15
ADC_AUX1
E10
R302
BP_VF
VREF
A10
V300
CREF
E9
RTC_ALMN
H10
RTCALARM
R304
C318
C322
R320
C319 R305
2-
2
  [ Pobierz całość w formacie PDF ]

  • zanotowane.pl
  • doc.pisz.pl
  • pdf.pisz.pl
  • jutuu.keep.pl