LG KE990 Support Question
LG KE990 Support Question
Find answers below for this question about LG KE990 - LG Viewty Cell Phone 100 MB.Need a LG KE990 manual? We have 1 online manual for this item!
Question posted by shirinan on May 17th, 2014
Lg Ke990 When Charging Show Insert Battery
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Related LG KE990 Manual Pages
Service Manual - Page 4
...unauthorized use of the phones or compatibility with your...it should disconnect telephone service until repair can result in substantial additional charges for your telecommunications system. A telephone company may temporarily disconnect service...than your company's employees, agents, subcontractors, or person working on the phones must be risks of own system. The user may make changes in ...
Service Manual - Page 7
... Features
Item Form Factor
Battery
Size Weight Volume
PCB Stand by time Charging time
Talk time RX sensitivity
TX output power
GSM/ GPRS
EDGE
GPRS compatibility EDGE compatibility
SIM card type
Display
Built-in Camera Status Indicator
Feature Slide 1) Capacity Standard : Li-Ion, 800mAh 2) Packing Type : Soft Pack Standard : 100.4 X 48.0 X 14.5 mm...
Service Manual - Page 12
... mA Slow Charge: < 60 mA
Antenna Bar Number
Power
4
-90 dBm ~ -86 dBm
3
-95 dBm ~ -91 dBm
2
-100 dBm ~ -96 dBm
1
-105 dBm ~ -101 dBm
0
~ -105 dBm
Copyright © 2008 LG Electronics. Ringer set off . All right reserved. Normal Mode 4.0mA(Max. Signal strength display labove. Backlight of phone set as ringer. 2. Test distance...
Service Manual - Page 13
... Blinking)
1 2 3 4 3.5 0.03 V (Call) 3.6 0.03 V (Standby) 3.35 0.03 V 1 Li-Ion Battery Standard Voltage = 3.7 V Battery full charge voltage = 4.2 V Capacity: Min 930mAh Switching-mode charger Input: 100 ~ 240 V, 50/60Hz Out put: 5.1V, 700mA
Voltage 3.65V ~ 3.35V 3.71V ~ 3.66V 3.78V ~ 3.72V 3.91V ~ 3.79V 4.20V ~ 3.92V
LGE Internal Use Only
- 14 - 2. Copyright © 2008 LG Electronics.
Service Manual - Page 14
... Downconverter
LPF
LPF & DC Corr ection
F ref PLL # 2
VCO
Phone VCTCXO
PM6635-3P
Input Power Management
Voltage R egulat ors
General H ous... part
A generic, high-level functional block diagram of KE990/KE990c is shown in Figure 3-1. LGE Internal Use Only...and service purposes
- 15 -
Copyright © 2008 LG Electronics. TECHNICAL BRIEF
3. The antenna connects with receive and...
Service Manual - Page 15
... LG Electronics. PSK modulated
signal, to protect against detrimental conditions. It monitors and controls the external power source and coordinates battery ... Polar power
amplifier from a DAC within the ESM KE990/KE990c power supply voltages are applied through their bandpass filters... Polar topology: 1.
The on -chip voltage sources, charging status, and current flow, as well as user-defined...
Service Manual - Page 21
... different current ratings: 300 mA (two), 150 mA (six), and 50 mA (three). Low power mode available on ESMA and ESMP regulators - Supports coin cell backup battery (including charging) - These can be used to power ESMA, ESMP, RFRX1, RFRX2, RFTX, SYNT, TCXO, WLAN, MMC, USB, and RUIM circuits. - Control drivers for ESMC and...
Service Manual - Page 37
... the power of ESM6270, ESM memory, RF block, Bluetooth, SIM and TCXO. battery, external charger, adapter, coin cell back-up and signal buffering, and key parameters (undervoltage lockout and crystal oscillator signal presence) are : PM6635 : Phone power supply AAT3169 : LCD Backlight/Flash charge pump
3.7.2 PM6635
The PM6635 device (Figure 3.7) integrates all the regulated voltages...
Service Manual - Page 39
...should be used for battery charging.
Copyright © 2008 LG Electronics. PM6635 circuits ...100~70 (%)
3.80V~3.71V 69~45 (%)
3.70V~3.62V 44~20 (%)
3.61V~3.50V 19~3 (%)
KE990 Battery Bar Display(Stand By Condition)
3.49V~3.28V 2~0 (%)
LGE Internal Use Only
- 40 - Only for the charging current.
All right reserved. TECHNICAL BRIEF
3.7.3 Charging control
A programmable charging...
Service Manual - Page 40
... Use Only Parameter
Min
Typ
Max
Unit
Trickle Current
60
80
100
mA
PM6635
Copyright © 2008 LG Electronics.
All right reserved. Only for lithium-ion and nickel-based batteries, with its performance specified below (3.2V). TECHNICAL BRIEF
Trickle Charging Trickle Charging of the main battery, enabled through SBI control and powered from VDD, is provided...
Service Manual - Page 41
... stop current) : 100mA • Low battery POP UP : Idle - 3.49V, Dedicated(GSM/WCDMA) - 3.49V • Low battery alarm interval : Idle - 3 min, Dedicated - 1min • Cut-off voltage : 3.20V(idle), 3.1V(call)
LGE Internal Use Only
- 42 - Copyright © 2008 LG Electronics. The constant current charging continues until the battery reaches its target voltage, 4.2V. All...
Service Manual - Page 76
...for GSM Antenna Switching Module Main Intenna Connection PAD
RF Switch MIC
Copyright © 2008 LG Electronics. All right reserved. LGE Internal Use Only 3. Inc.
TECHNICAL BRIEF
3.14.1.2 ... AMP IC Main-Sub B-to-B Connector
PM6635 PMIC 32.768KHz Crystal Oscillator
Charging IC Battery Connector PAD
Memory IC 19.2MHz Crystal Oscillator for TCXO
PAM IC for training and service purposes
- 77 ...
Service Manual - Page 93
...© 2008 LG Electronics.
YES
NO Change or charging the Batt ery
NO
Follow the LED trouble
shoot
NO Check open Pattern of KE990 is : PWR ...TROUBLE SHOOTING
4.6 Power on trouble
Power on ? YES
VA700 h igh to PMIC(PM6635-2M)
Start
Battery vo lt g. 4.
Chang e the Main board
YES
NO
Is c lock ok ? higher than...Phone booting & PS_HOLD(D500) assert High to low when key press?
Service Manual - Page 96
... sequence of KE990 is : USB connected to KE990 → USB_VBUS(C540) go to 5V → USB_D+(VA202) go to 3.3V → 48M Crystal on → USB_DATA is triggered → USB work
Start
NO Cabl e is about to 5 V? YES
NO USB_D+ i s about
NO
to 3. 3V? All right reserved. YES
USB_VBUS is insert?
YES
Chang...
Service Manual - Page 97
Copyright © 2008 LG Electronics. Only for training and service purposes Inc. YES MICRO SD function OK? All right ...to 3.3V →USB_DATA is triggered → USB work
Start
NO Cabl e is insert?
4.
TROUBLE SHOOTING
4.6.2 UMS(USB MASS STORAGE) trouble
UMS Initial sequence of KE990 is : USB connected to KE990 → VREG_5V(R335, UMS) go to 5V → VREG_USB_3.3V(R301) go ...
Service Manual - Page 169
RX, TX switching selection
Copyright © 2008 LG Electronics. All right reserved. Check the frequency (27MHz) - GSM, WCDMA TX/RX
operation
LGE Internal Use Only
- 170 -
- Power management - Check S/W download - Camcorder, Camera operation - Check the TA and bettery
- Check the frequency
(19.2MHz) - Check the battery voltage and
Outputs of LDOs-Rx operation...
Service Manual - Page 179
...LG...5
MBJL00 BUTTON,SIDE
5
MCCC00 CAP,EARPHONE JACK
5
MCJK00 COVER,FRONT
6
MICA00 INSERT,FRONT
5
MDAG00 DECO,FRONT
5
MIDZ00 INSULATOR
MWAE0026401 MOLD, Polyarylamide IXEF 1032, ,... INSULATOR
MIDZ0160801 COMPLEX, (empty), , , , ,
5
MIDZ02 INSULATOR
5
MKBZ00 KNOB
5
MLEA00 LOCKER,BATTERY
5
MPBT00 PAD,CAMERA
MIDZ0160901 COMPLEX, (empty), , , , , MKBZ0002101 MOLD, PC LUPOY SC-1004A...
Service Manual - Page 182
... ,R/TP , ,
6
SPCY00 PCB,FLEXIBLE
SPCY0125401 FR-4 ,0.4 mm,MULTI-4 ,KE990 TOUCH
4
SJMY00 VIBRATOR,MOTOR
SJMY0008502
3 V,1.0 A,10*3.6T ,2.0Vrms 175HZ linear ...PCB ASSY,MAIN
SAFY0248102
4
SAFB00 PCB ASSY,MAIN,INSERT SAFB0075606
5
SACY00 PCB ASSY,FLEXIBLE
SACY0066801
6
...61 I
39 40 43,H 13,E
Copyright © 2008 LG Electronics. LGE Internal Use Only EXPLODED VIEW & REPLACEMENT PART...
Service Manual - Page 200
...TOP SAJD0025601
6
BAT900 BATTERY,CELL,LITHIUM
SBCL0001701
2 V,0.5 ...100 Kohm,1/16W ,J ,1005 ,R/TP
6
R804 RES,CHIP,MAKER
ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP
6
R805 RES,CHIP,MAKER
ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP
6
R806 RES,CHIP,MAKER
ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP
6
R808 RES,CHIP,MAKER
ERHZ0000405 10 Kohm,1/16W ,J ,1005 ,R/TP
Remark
Copyright © 2008 LG...
Service Manual - Page 202
... , ,PRISMATIC , , ,BLACK , ,
Color Black
BATTERY PACK,LI-ION
SBPL0093706
3.7 V,1000 mAh,1 CELL,PRISMATIC ,553446 Latin America Label ,; , , , ,PRISMATIC , , ,BLACK , ,
Black
3
SGDY00 DATA CABLE
; ,[empty] ,[empty] ,[empty] ,18pin 6.2mm. NYX Box Package SGDY0010908 ,BLACK , ,N
; ,10mW ,16ohm ,111dB ,20HZ ,20HZ ,[empty] ,BLACK ,18P
3
SGEY00 EAR PHONE/EAR MIKE SET SGEY0005546 MMI CONNECTOR...
LG Knowledge Base Results
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LG Mobile Phones: Tips and Care - LG Consumer Knowledge Base
/ Mobile Phones LG Mobile Phones: Tips and Care Compatible accessories are DTMF tones? Keep the battery charged all times to extend phone battery life: Tips for your phone. Avoid letting the battery discharge completely. NOTE: Using chemical cleaners can damage the phones coatings or cause liquid damage to disassemble your phone. Tips to high levels of these ports. Network Storage... -
What are DTMF tones? - LG Consumer Knowledge Base
... tone to adjust the DTMF Tones setting? For troubleshooting purposes: If the cell phone is used over mobile phones to recognize the numbers being input for options or codes, adjusting the DTMF...not navigating correctly through an IVR system's options, or the cell phone does not seem to navigate automated systems such as phone menus, voice menus and other advanced calling services. The range ... -
Mobile Phones: Lock Codes - LG Consumer Knowledge Base
...does not have the phone re-programmed. the default lock code is a number tied to tap the screen, after which is the last 4 digits of codes. Mobile Phones: Lock Codes I. GSM Mobile Phones: The Security Code...to load (it's like a mini PC), when it is the VX1000 (Migo) for our cell phones, unless it will become PERMANENTLY LOCKED, and a new SIM Card must be accessed; The default...
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