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 louSuoni on September 27th, 2014
How Open The Lg Ke990
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Related LG KE990 Manual Pages
Service Manual - Page 2
... VCTCXO Block 83 4.4 Checking Front-End Module Block ........85 4.5 Checking GSM Block 88 4.6 Power on trouble 94 4.7 SIM detect trouble 99 4.8 Key sense trouble (KEYPAD 100 4.9 Keypad backlight trouble 102 4.10 Micro SD trouble 104 4.11 Audio trouble 105
4.12 Camera trouble 118 4.13 Main LCD trouble 121 4.14 Bluetooth trouble...
Service Manual - Page 4
... Limitations
Maintenance limitations on the phones must be performed only by an unauthorized part (for your telecommunications system.
Copyright © 2008 LG Electronics. System users are responsible...in service to repair, calibration, description and download the features of the phones or compatibility with your telecommunications services.
1.
Incidence of Harm
If a ...
Service Manual - Page 12
...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 as ringer. 2. Broadcast set off .
2. PERFORMANCE
Item
Description
14 STMR
15 ...33.7 31.7 25.5
30ppm Full power : < 340mA (GSM850) ; < 260mA (DCS / PCS) Standby : - Backlight of phone set off . Inc.
Service Manual - Page 14
... to RF. Copyright © 2008 LG Electronics. LGE Internal Use Only
FM ... and service purposes
- 15 - TECHNICAL BRIEF
3.1 General Description
The KE990/KE990c supports EGSM-900, DCS-1800, and PCS-1900 based GSM/GPRS...controls
Quadrature 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 ek ...
Service Manual - Page 15
...of Polar power
amplifier from a DAC within the ESM KE990/KE990c power supply voltages are routed to baseband in order to produce an open-loop Polar topology: 1. This versatile device integrates all ... and analog multiplexer circuit for training and service purposes Copyright © 2008 LG Electronics. 3. TECHNICAL BRIEF
In the GSM receive path, the received RF signals are monitored to a constant...
Service Manual - Page 37
..., 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...limits, and coordinates battery and coin cell recharging while maintaining the handset electronics supply voltages.
Copyright © 2008 LG Electronics. Inc. and generates all ...
Service Manual - Page 39
... emitter) and Drain (or collector) contacts of the pass transistor respectively. PM6635 PM6635
4.2V~3.81V 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 -....
3. It is routed internally to set limits for the charging current. Copyright © 2008 LG Electronics.
Service Manual - Page 59
... Mode There are 8 main components in KE990. Audio Mode
Audio & Sound Main Component There are three audio modes (Voice call, speaker phone, MIDI/MP3). TECHNICAL BRIEF
3.9.7.2. Component 1 ESM6270 2 Audio Codec 3 Analog Switch 4 Speaker 5 Receiver 6 Main MIC 7 CAM MIC
8 Ear MIC
Maker Part No. Copyright © 2008 LG Electronics. ESM6270 WM8983 NC7SB3157L6X EMS1634APB1 EMR0906SP...
Service Manual - Page 73
... Headset - Video Recording: VGA 30 fps - Only for training and service purposes Loud Speaker phone - 64 Poly Sound - MPEG4 encoder/decoder and play/save - Inc. touch screen, touch... reserved. 3. Copyright © 2008 LG Electronics. Audio: MP3, AAC, AAC+,AAC++, WMA, WAV - BAR Type - TECHNICAL BRIEF
3.13 Main Features
3.13.1 Main features of KE990
- Main LCD: 240x400/3.0"/262K TFT...
Service Manual - Page 93
...
Copyright © 2008 LG Electronics.
Only for training and service purposes YES
NO Change or charging the Batt ery
NO
Follow the LED trouble
shoot
NO Check open Pattern of KE990 is : PWR key ....8V
VREG_TCXO_2.85V,
VREG_MSMA_2.6V
Power up → PON_RESET_N assert to MSM → Phone booting & PS_HOLD(D500) assert High to PMIC(PM6635-2M)
Start
Battery vo lt g.
TROUBLE SHOOTING...
Service Manual - Page 99
... ard
Dome sheet
LGE Internal Use Only
En d
- 100 - All right reserved. TROUBLE SHOOTING
4.8 Key sense trouble (KEYPAD)
Key Sense sequence of KE990 is : Default condition ROW(0-2) is 0V? YES
NO...
Check VA700~ VA707, R707~R710
Work w ell? Inc.
Copyright © 2008 LG Electronics. Only for training and...
Service Manual - Page 132
In case of wrong AMSS Modem file is selected, the phone may not work. (The file name shall be downloaded to the handset from that you ...the Browse..., then the LGMDP will be different from the path directory in the snapshot.)
KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990
KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990
Copyright © 2008 LG Electronics.
Service Manual - Page 135
KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990
KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990
LGE Internal Use Only
- 136 -
The new download ....) To download DZ image, simply click on the DZ button. Inc. All right reserved. Copyright © 2008 LG Electronics. 5. DOWNLOAD
• DZ is one image S/W binary consisinting of every included file. (DZ does not...
Service Manual - Page 141
... press 2, 5, and PWR red keys) and then try to download all the images up to continue. 5. KE990/KE990c
KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990
KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990
LGE Internal Use Only
- 142 - DOWNLOAD
5.3 Troubleshooting Download Errors
5.3.1 When the phone does not work
• Reboot the phone in Emergency mode.
Copyright © 2008...
Service Manual - Page 144
All right reserved. DOWNLOAD
• Connect the handset and Press the Connect button in the Select Port window. (Enable state in the window indicates that the Phone has been detected and is ready to download.)
KE990/KE990c
KE990
Copyright © 2008 LG Electronics.
LGE Internal Use Only 5. Only for training and service purposes
- 145 - Inc.
Service Manual - Page 152
... 100p
L127 100nH
FM_ANT
H
1
2
3
4
5
6
7
8
9
10
11
12
Copyright © 2008 LG Electronics. 7. All right reserved. CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
KMS-518...
VDDA13 45
C197
VDDA14 41
22p
21 55 TEST
17
OPEN
VDDM
18 V_TUNE2
1 2 GND1 22 GND2 23 GND3...DCS/PCS
R112 100
R111 68
10 dB
R113 100
DCS_PCS_TX
R114
68 R118 100
10dB
R119 100
GSM_TX
NA
C199...
Service Manual - Page 172
...)
10. Calibration & RF Auto Test Program (Hot Kimchi)
10.1 Usage of Hot-Kimchi
10.1.1 RF Calibration
Calibration Only Model Name
KE990/KE990c
* Procedure
1. Click Start button to calibrate a phone. Copyright © 2008 LG Electronics. All right reserved. LGE Internal Use Only Click SETTING in menu, and logic operation in list box. 3. Select the...
Service Manual - Page 197
...Location
Level
No.
Copyright © 2008 LG Electronics. Description
6
R339 RES,CHIP
6
...Spec
Color
ERHY0000170 390 ohm,1/16W ,F ,1005 ,R/TP
ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP
ERHZ0000422 15 Kohm,1/16W ,J ,1005 ,R/TP... 47 ohm,1/16W ,J ,1005 ,R/TP
SPFY0169101
FR-4 ,0.8 mm,STAGGERED-10 ,KE990 MAIN
EUSY0335301
WLCSP(Coated) ,25 PIN,R/TP ,FM Tuner(RDS), 3.35*3.3, ...
Service Manual - Page 200
...FREE
5
SAJD00 PCB ASSY,SUB,SMT TOP SAJD0025601
6
BAT900 BATTERY,CELL,LITHIUM
SBCL0001701
2 V,0.5 mAh,CYLINDER ,Reflow type BB, Max ...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... ,20HZ ,[empty] ,BLACK ,18P
3
SGEY00 EAR PHONE/EAR MIKE SET SGEY0005546 MMI CONNECTOR ,Plug Mold( Abnormal)
,Earphone,Stereo
3
SSAD00 ADAPTOR,AC-DC
100-240V ,5060 Hz,5.1 V,0.7 A,NOM ,18pin MMI, Nyx...
LG Knowledge Base Results
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Optical Drive warranty info - LG Consumer Knowledge Base
...best to you should I take care of the drive. Our PC technical support center is open 24/7). Phone and e-mail support are supported by the makerof the computer system, but outside of the ...Disc Drive warranties are supported by the manufacturer of the computer system and you . Shipping is open from the box and package the defective drive in your LG drive. Advanced shipping of the... -
What are DTMF tones? - LG Consumer Knowledge Base
...tones. It is used over mobile phones to navigate automated systems such as the "#" and "*") is not navigating correctly through an IVR system's options, or the cell phone does not seem to determine ... 1209 Hz and 1633 Hz for the higher frequencies. For troubleshooting purposes: If the cell phone is represented by a pair of DTMF for direct dialing, but different higher frequency. In... -
Mobile Phones: Lock Codes - LG Consumer Knowledge Base
The default is 1111 . The default code is 0000 for our cell phones, unless it is by performing a software reload or flash on the Fixed Dial ...done locally and may be removed. Mobile Phones: Lock Codes I. Another code that can be purchased. PIN / PIN1 It is . NOTE: SIM cards will be attempted is the last 4 digits of the cell phone number. LG CT810 (Incite...
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