Samsung SGH-E840 User manual

GSM TELEPHONE
SGH-E840
GSM TELEPHONE CONTENTS
1. Specification
2. Exploded View and Parts list
3. Chart of Troubleshooting
4. Array course control
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8. Reference data
9. Safety Precautions
10. Product Function

Contents
1. Specification
1-1. GSM/CDMA General Specification ...........................................................................1-1
1-2. GSM TX power class ...............................................................................................1-2
2. Exploded View and Parts list
2-1. Cellular phone Exploded View ..................................................................................2-1
2-2. Cellular phone Parts list ............................................................................................2-2
2-3. Disassembly ...............................................................................................................2-4
2-4. Assembly ....................................................................................................................2-8
3. ChartofTroubleshooting
3-1. Baseband ............................................................................................................3-1
3-1-1. Power ON .....................................................................................................3-1
3-1-2. System Initial ................................................................................................3-6
3-1-3. SIM Part .......................................................................................................3-8
3-1-4. Charging Part .............................................................................................3-10
3-1-5. Microphone Part .........................................................................................3-13
3-1-6. Speaker Part ..............................................................................................3-16
3-1-7. Receiver Part .............................................................................................3-20
3-1-8. Camera Part ..............................................................................................3-22
3-1-9. LCD .............................................................................................................3-26
3-2. RF ......................................................................................................................3-13
3-2-1. EGSM Receiver .........................................................................................3-30
3-2-2. EGSM Transmitter .....................................................................................3-31
3-2-3. DCS Receiver ............................................................................................3-32
3-2-4. DCS Transmitter ........................................................................................3-33
3-2-5. PCS Receiver .............................................................................................3-34
3-2-6. PCS Transmitter .........................................................................................3-35
3-2-7. UMTS Receiver ..........................................................................................3-40
3-2-8. UMTS Transmitter ......................................................................................3-41
3-2-9. BLUETOOTH ..............................................................................................3-45

Contents
4. Array course control
4-1. Downloading Binary Files ......................................................................................4-2
4-2. Pre-requsite for Downloading ................................................................................4-2
4-3. S/W Downloader Program .....................................................................................4-3
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8. Reference data
8-1. Reference Abbreviate ..............................................................................................8-1
9. Safety Precautions
9-1. Repair Precaution ......................................................................................................9-1
9-2. ESD(Electrostaically Sensitive Devices) Precaution ................................................9-2
10. Product Function

SAMSUNG Proprietary-Contents may change without notice
1. Specification
1-1
This Document can not be used without Samsung's authorization
1-1. GSM/WCDMA General Specification
EGSM 900
Phase 2
EGSM 900
Phase 2
DCS1800
Phase 1 PCS1900
Freq. Band[MHz]
Uplink/Downlink
824~849
869~894
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range 128~251 0~124 &
975~1023 512~885 512~810
Tx/Rx spacing 45 MHz 45 MHz 95 MHz 80 MHz
Mod. Bit rate/
Bit Period
270.833 kbps
3.692 us
270.833 kbps
3.692 us
270.833 kbps
3.692 us
270.833 kbps
3.692 us
Time Slot
Period/Frame
Period
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.615 ms
Modulation 0.3 GMSK 0.3 GMSK 0.3 GMSK 0.3 GMSK
MS Power 33 dBm~5 dBm 33 dBm~5 dBm 30 dBm~0 dBm 30 dBm~0 dBm
Power Class 5 pcl ~19pcl 5pcl ~19pcl 0pcl ~15pcl 0pcl ~15pcl
Sensitivity -102 dBm -102 dBm -100 dBm -100 dBm
TDMA Mux 8 8 8 8
Cell Radius 35 Km 35 Km 2Km -

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Specification
1-2
This Document can not be used without Samsung's authorization
1-2. GSM TX power class
TX Power
control level
EGSM850
EGSM900
533±2
dBm
631±2
dBm
729±2
dBm
827±2
dBm
925±2
dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9± 3dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control level DCS1800
030±3
dBm
128±3
dBm
226±3
dBm
324±3
dBm
422±3
dBm
520±3
dBm
618±3
dBm
716±3
dBm
814±3
dBm
912±4
dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Power
control level PCS1900
030±3
dBm
128±3
dBm
226±3
dBm
324±3
dBm
422±3
dBm
520±3
dBm
618±3
dBm
716±3
dBm
814±3
dBm
912±4
dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm

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2. Exploded View and Parts List
2-1
This Document can not be used without Samsung's authorization
2-1. Cellular phone Exploded View
QVO01
QMI01
QMI03
QAN02
QRE01
QSC05
QCK02
QCR03
QBA0101
QBC00
QSC14
QME02
QMP01
QCR68
QRF03
QKP02
QFU01
QME03
QCK01
QSP01
QFR01
QCA01
QMW01
QSP02
QLC01
QPC01
QFL01
QHI01
QCR73
QCR04
QSC01
QSC02

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Exploded View and Parts List
2-2
This Document can not be used without Samsung's authorization
Design LOC Discription SEC CODE
QAN02 INTENNA-SGHE840 GH42-01159A
QBA01 INNER BATTERY PACK-690MAH,BLK, GH43-02834A
QBC00 PMO-COVER BATTERY GH72-37452A
QCA01 UNIT-SGHE840,CAMERA MODULE GH59-04333A
QCK01 ASSY KEY-CAMERA GH98-03699A
QCK02 PMO-KEY POWER GH72-37454A
QCR03 SCREW-MACHINE 6001-001811
QCR04 SCREW-MACHINE 6001-001479
QCR66 SCREW-MACHINE 6001-002047
QCR68 SCREW-MACHINE 6001-002067
QCR73 SCREW-MACHINE 6001-002102
QKP02 ASSY KEYPAD-SUB(OPEN/SIL) GH98-03703A
QLC01 LCD-SGHE840 GH07-01113A
QME02 UNIT-SGHE840,SIDE KEY FPCB GH59-04330A
QME03 UNIT-SGHE840,TOUCH KEY FPCB GH59-04332A
QMI01 MICROPHONE-ASSY-SGHE840 GH30-00355A
QMP01 PBA MAIN-SGHE840 GH92-03451A
QMW01 ASSY COVER-MAIN WINDOW GH98-05194A
QPC01 MEA-SLIDE FPCB KIT GH97-07677A
QRE01 ASSY CASE-REAR GH98-03698A
QSC01 PMO-SCREW CAP LGH72-37444A
QSC02 PMO-SCREW CAP RGH72-37445A
QSC05 PMO-DECO REAR GH72-37453A
QSC14 ASSY RUBBER-BGA FRONT GH98-05356A
QSP02 UNIT-SPK,MOT ASSY GH59-04270A
QVO01 ASSY KEY-VOLUME GH98-04996A
QFU01 ASSY CASE-SLIDE UPPER GH98-03695A
QGI11 ASSY COVER-GRILL GH98-04104A
QFL01 ASSY CASE-SLIDE LOWER GH98-03696A
QHI01 ASSY HINGE-SLIDE GH98-04444A
QFR01 ASSY CASE-FRONT GH98-03697A
2-2. Cellular phone Parts list

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Exploded View and Parts List
2-3
This Document can not be used without Samsung's authorization
QRF03 PMO-COVER EAR/IF GH72-37442A
QSD01 PMO-COVER MICRO SD GH72-37443A
QMI03 RMO-RUBBER MIC HOLDER GH73-09017A

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Exploded View and Parts List
2-4
This Document can not be used without Samsung's authorization
Discription SEC CODE
BAG PE 6902-000634
CBF INTERFACE-DLC,X830,SIL,PCB GH39-00720B
ADAPTOR-SGHE690,SIL,EU,A_TYPE GH44-01361B
S/W CD-SGHE840,PC STUDIO 3.1 GH46-00431A
UNIT-SGHU600,HEADSET,SIL,A TYP GH59-04446B
LABEL(R)-WATER SOAK GH68-09361A
LABEL(P)-OPEN MP3 GH68-11246A
LABEL(R)-MAIN(XEF) GH68-14354G
MANUAL USERS-EU FRENCH GH68-14560A
BOX(P)-UNIT MAIN(EU) GH69-05225A
CUSHION-CASE(EU) GH69-05227A
MPR-TAPE LCD PCB GH74-30805A
MPR-TAPE GH74-31892A
MPR-INSU TAPE GH74-31894A
MPR-GASK TAPE LCD FPCB GH74-31896A
MPR-TAPE GH74-31898A
MPR-VINYL BOHO WIN FGH74-31904A
MPR-SPONGE GH74-31906A
TAPE-T-FLASH GH74-32427A
VINYL-BOHO UPPER GH74-33378A

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Exploded View and Parts List
2-5
This Document can not be used without Samsung's authorization
2-3. Disassembly
1
43
2
1) Detach the Connecter of 3*4 key F-PCB.
[Figure 1]
2) Unscrew 2points in intenna module.[Figure 2]
1) Lift the intenna and PBA with tweezer.[Figure 1]
2) Detach the F-PCB.[Figure 2]
1) Detach from rear deco the back of a set with
tweezer.[Figure 1]
2) Unscrew 5points rear bolts the back of a
set.[Figure 2]
※caution
1) Notice the Scratch on the Rear Cover when the
set disjoint.
1) Open the Micro SD Card Cover and Rear Cover
with round tweezer.[Figure 1]
2) Disjoint carefully Rear Cover shaking right and
left[Figure 2]
Rear Deco Screw(1.6*5)
Screw(1.4*3)
<Figure 1> <Figure 2>
Screw B:1.4*4
Screw A:1.4*3
<Figure 1>
<Figure 2>
Screw(1.4*4)
Connector
<Figure 1> <Figure 2>
F-PCB
Connector
<Figure 1> <Figure 2>

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Exploded View and Parts List
2-6
This Document can not be used without Samsung's authorization
5
87
6
1) Remove the Slide Lower.[Figure 1]
2) Detach the green insulated Tape and Pull out the
FPCB.[Figure 2]
※caution
1) Detach the Green insulated tape carefully.
1) Detach the Speaker Module.[Figure 1]
2) Detach the Camera.[Figure 2]
※caution
1) Notice the F-PCB so as not to damage.
1) Unscrew 4points Front Cover.[Figure 1]
2) Remove the Front Cover.[Figure 2]
1) Remove the Screw cap 2points[Figure 1]
2) Unscrew 6points Slide Lower.[Figure 2]
Screw(1.4*1.1)
Screw Cap
Screw(1.4*4)
Screw(1.4*1.6)
<Figure 1> <Figure 2> <Figure 1> <Figure 2>
Green insulated Tape
<Figure 1> <Figure 2>
Camera
Speaker
Module
<Figure 1> <Figure 2>

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Exploded View and Parts List
2-7
This Document can not be used without Samsung's authorization
9
1) Pull out the Touch key connecter.[Figure 1]
2) Lift the LCD F-PCB and detach the LCD with
Window.[Figure 2]
※caution
1) Be careful with the damage of LCD.
Touch Key
Connector

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Exploded View and Parts List
2-8
This Document can not be used without Samsung's authorization
2-4. Assembly
1
43
2
1) Fix the MIC in position like the picture.
※caution
1) Check the damage of F-PCB with an eye.
1) Assemble the mic cover and then screw
2points.
2) Attach the KEY PAD.
3) Press down the KEY PAD so as not to be
detached it.
※caution
1) Check the connecting condition of KEY PAD.
1) Combine LCD Module.[Figure 1]
2) Insert the Touch Key F-PCB [Figure 2]
※caution
1) Be careful of the possible damage on FPCB
1) Combine Camera module.[Figure 1]
2) Combine Speaker module.[Figure 2]
Camera
Speaker Module
LCD
Touch Key Connector
<Figure 1> <Figure 2> <Figure 1> <Figure 2>
Green insulated Tape
both-sided Tape
Screw Cap
Screw(1.4*4)
Torque:1.2±0.1KgfㆍCm
Screw(1.4*1.6)
Torque:1.0±0.1KgfㆍCm
<Figure 1> <Figure 2>
<Figure 1>
<Figure 2>

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Exploded View and Parts List
2-9
This Document can not be used without Samsung's authorization
5
87
6
1) Insert "3*4 key PCB" to the connector in PBA.
2) Flatten F-PCB by finger while open and close
slide.
3) Insert the Antenna module.
1) Screw the 2 Bolts.[Figure 1]
2) As seen figure 2, soldering the antenna module.
1) After combine Front Cover, the 4Bolts.
[Figure 1]
2) Attach "electric conduction sponge" on connector.
[Figure 2]
1) Insert "F-PCB" to the connector in PBA.
※caution
1) Connector should be certainly clicked along the
marked line.
F-PCB Connector
Screw(1.4*1.1)
Torque:0.9±0.1KgfㆍCm
Electric conduction
Sponge
<Figure 1> <Figure 2>
Intenna
Connector
Flatten
by finger.
Screw(1.4*4)
Torque:1.0±0.1KgfㆍCm
Soldering
<Figure 1> <Figure 2>

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Exploded View and Parts List
2-10
This Document can not be used without Samsung's authorization
9
11
10
1) Screw the 3 Bolts, as seen above. [Figure 1]
2) Attach the Rear Deco. [Figure 2]
1) After combine Front Cover, the 4Bolts.
[Figure 1]
2) Attach "electric conduction sponge" on connector.
[Figure 2]
1) Push the parts, as seen Figure 1.
2) Screw the 2 Bolts, as seen above.[Figure 2]
Camera
Key
Volume
Key
Power
Key
Screw(1.4*3)
Torque:1.3±0.1KgfㆍCm
Camera
Key
<Figure 1> <Figure 2>
Rear Deco
Screw(1.6*5)
Torque:1.0±0.1KgfㆍCm
Screw(1.4*3)
Torque:1.0±0.1KgfㆍCm

3. Flow Chart of Troubleshooting
3-1
3-1 BASEBAND
3-1-1. Power ON
'Power On' does not work
Yes
Check the current
consumption more
than 100mA
Download again
No
Yes
Charge the Battery
Check the VBAT
more than 3.3V
No
Yes
①
Check the
VLDO7_1.8V
of UCP300 is more
than 1.8V
Check UCP300 and C315
No
Yes
Check U301
②
Check U301
pin 1 = 1.8V
pin 4 = 1.6V
pin 7,9 = 1.5V
No
③
Yes
Check VRF of
UCP300=2.9V
Check UCP300
and C316
No
Yes
④
Check C130
Freq =13 MHz
Vp-p >0.8V Check the clock C130
No
Yes
Check the initial operation
Yes
END

Flow Chart of Troubleshooting
3-2

Flow Chart of Troubleshooting
3-3
VBAT
C319
C317
C323
C312
C320
VBAT
BAT300
G
E
N
2
S
O
P
1
VLDO1_1.5V
VRF_2.9V
C322
VCCB_2.9V
VCCA_2.9V
2
R
3
S
S
V
6
P
4
S
S
V
3
1
RM
C
V
X
V
1
DQ
A
N
E
O
X
R305
VLDO_4
B10
VLDO_5
A14
VLDO_6
C12
VLDO_7
A10
VREF
4
1
RN
G
E
R
V
3
1
MP
G
E
R
V
H11
VRTC
K12
VSIM
5
G
1
S
S
V
4
K
2
S
S
V
E14
VEXT
F15
VIB_DRV
9
LN
E
_
G
N
R
_
B
I
V
A12
VL4S_A
B11
VL4S_B
D10
VL5S_A
VL5S_BC9
G11
VLDO_1
J12
VLDO_2
A13
VLDO_3
B12
3
M
2
D
D
V
6
N
3
D
D
V
C11
VDD34
0
1
C
5
D
D
V
3
1
B
7
6
D
D
V
6
A
B
D
D
V
1
1
N
D
D
D
V
1
1
L
V
D
D
V
5
N
1
O
I
_
D
D
V
4
J
2
O
I
_
D
D
V
4
C
L
T
C
O
_
D
D
V
SIM_CLK
J11
SIM_IOK11
SIM_RST
7
EP
X
T
N9
UP_CLK
P10
UP_IO
R10
UP_RST
F14
VACC
E13
VBAT
3
J
1
D
D
V
J13
VDD12
7
DP
I
X
T
X
R
6
CN
Q
X
T
X
R
7
CP
Q
X
T
X
R
L8
SCLK_PSC
SDI_PSCM7
N7
SDO_PSC
SERCK
C2
SERDA
C1
SERLE1
B1
A2SERLE2
K14
N
1
W
S
_
R
W
P
4
1
C2
W
S
_
R
W
P
6
B1
F
E
R
A
R
5
B2
F
E
R
A
R
RESETN_CSP
R3
9
KO
_
T
E
S
E
R
F13
RING_DRV
H10
RTC_ALMN
4
NK
L
C
_
C
T
R
L2RWN
6
DN
I
X
T
X
R
6
C
N
E6OCTL0
OCTL1
C5
F5OCTL2
OCTL3
E5
A4OCTL4
OCTL5
G6
OCTL6
B3
OCTL7
A3
7
LF
U
B
_
1
W
S
P
9
MP
E
E
K
_
R
W
P
5
1
C
I|O
L3
G13
LED1_DRV
G12
LED2_DRV
6
RC
M
4
1
MN
N
I
C
I
M
4
1
NP
N
I
C
I
M
5
1
PN
T
U
O
C
I
M
5
1
NP
T
U
O
C
I
M
E
D
O
M
0
1
N
5
C
N1
2
5
S
D
N
G
8
G
6
S
D
N
G
9
G
7
S
D
N
G
0
1
G
8
S
D
N
G
6
H
9
S
D
N
G
3
1
P
V
D
N
G
1
1
F
R
U
C
H
_
D
N
G
4
B
L
T
C
O
_
D
N
G
5
1
B
1
C
S
P
_
D
N
G
5
1
K
2
C
S
P
_
D
N
G
0
1
LQ
R
T
N
I
0
1
S
D
N
G
8
H
1
1
S
D
N
G
2
1
S
D
N
G9
H
7
J
3
1
S
D
N
G
8
J
4
1
S
D
N
G
9
J
5
1
S
D
N
G
0
1
J
6
1
S
D
N
G
0
1
K
7
1
S
D
N
G
8
F
2
S
D
N
G
3
S
D
N
G9
F
0
1
F
4
S
D
N
G
7
G
H5DB5
G3DB6
G4DB7
F4DB8
F1DB9
3
PR
T
N
I
D
6
F
B
D
N
G
0
1
M
D
D
N
G
8
E
Q
D
N
G
7
F
1
S
D
N
G
7
H
DB0
DB1
K2
F2DB10
F3DB11
E2DB12
E3DB13
D3DB14
D2DB15
K3DB2
DB3
J5
J6DB4
P
T
U
O
X
U
A
3
1
D
3
C
D
A
_
X
U
A
CH_BDRVE11
F12
CH_ISEN
D14
CH_RES
CREFE9
CSN_PSCK8
4
RK
C
I
A
D
6
LI
D
I
A
D
6
MO
D
I
A
D
4
PN
R
I
A
D
K1
D15
ADC_AUX2
5
P4
X
U
A
_
C
D
A
9
DC
F
A
2
1
NN
A
T
U
O
A
1
1
PP
A
T
U
O
A
2
1
PN
B
T
U
O
A
2
1
RP
B
T
U
O
A
4
1
LN
N
I
X
U
A
5
1
MP
N
I
X
U
A
3
1
LN
T
U
O
X
U
A
3
1
K
K6AB0
AB1
P1
L5AB2
AB3
N1
N2AB4
AB5
M2
M1AB6
AB7
K7
K5AB8
E10
ADC_AUX1
UCP300
C305
VRF_2.9V
VCCD_1.8V_PSC
C330
C307
R307
VR300
VCCD_1.8V
C315C318
C321
VCCD_2.9V
VCCB_2.9V
C314
C311
VBAT
VRTC_1.5V
VCCD_2.9V
C306
VCCA_2.9V
C309
C332
R306
R300
C308
C316
C310
C324
SX_EN
DCS_TX_EN
GSM_TX_EN
N
B
T
U
O
A
P
B
T
U
O
A
N
T
U
O
X
U
A
N
N
I
X
U
A
P
T
U
O
X
U
A
P
N
I
X
U
A
N
T
U
O
C
I
M
N
N
I
C
I
M
P
N
I
C
I
M
P
T
U
O
C
I
M
RST
KEY_BL_MAIN
C
F
A
MOD_SEL
SERLE
SERDAT
SERCLK
N
A
T
U
O
A
P
A
T
U
O
A
EAR_CHECK
N
O
_
G
I
J
ICHRG
Q
A
N
E
O
X
VSIM
RX_EN
PAC_EN
C
P
A
V
P
Q
X
T
R
N
Q
X
T
R
P
I
X
T
R
N
I
X
T
R
N
O
_
R
W
P
C
M
_
M
3
1
K
L
C
BAND_SEL
UP_CS
T
N
I
_
P
S
D
INTRQ
F
U
B
_
1
W
S
P
PWR_KEEP
RTCALARM
K
2
3
K
L
C
UP_SCLK
UP_SDI
UP_SDO
SIM_CLK
SIM_IO
SIM_RST SIMCLK
SIMDATA
SIMRST
DSP_DB(0)
DSP_AB(0:8)
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
DSP_IO
DSP_RWN
FLASH_RESET
TX_EN
XOENA
DSP_DB(15)
DSP_DB(0:15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(1)

Flow Chart of Troubleshooting
3-4
NC
NC 5
VCC 6
4
Y
U101
A
2
3GND
1
C132
R117
C131
VRF_2.9V
R115
C137
R120
C133
C130
R116
CLK13M_YMU
13M_BUF
CLK13M_MC
CLK13M_TR
HP_CORE_1.575V
D300
C328
C325
VCCD_1.8V
L301
L300
C327
VBAT
C326
4
FB1
8GND
11
2
D
N
G
2
MODE|DATA
6SW1
10 SW2
3
VIN
U301
1
ADJ2
5
DEF_1
7EN1
9EN2
VLDO1_1.5V

Flow Chart of Troubleshooting
3-5
3-1-2. Initial
Initial Failure
Yes
①
Check VCCD,
VCCD_1.8V of UCP300
"High" when the phone
is boot on`
No Check UCP300
Yes
②
Check the
HP_CORE_1.575V of
U201 is "High"
No Check U301
③
Yes
No Check HDC602 and LCD part
LCD display is O.K?
Yes
Check audio part
Sound is O.K? No
Yes
END