Operating Instructions
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INTRODUCTION 5 1.1 Purpose 5 1.2 Regulatory Information 5 2. Power Block 42 3.10. H/W Sub System 49 3.12. DOWNLOAD 133 5.1 KS20 DOWNLOAD 133 6. Phone Test Mode _ 3G smart Phone KS20 182 11. Main Features 76 4. BLOCK DIAGRAM 146 6.1 GSM & UMTS RF Block 146 6.2 Interface Diagram 148 7. Calibration & RF Auto Test Program (... 117 4.15 Keypad Backlight Troubleshooting ........120 4.16 Main LCD Troubleshooting 121 4.17 Receiver Path 122 4.18 Headset path 124 4.19 Speaker phone path 126 4.20 Main microphone 128 4.21 Headset microphone 130 4.22 Vibrator 132 5.
INTRODUCTION 5 1.1 Purpose 5 1.2 Regulatory Information 5 2. Power Block 42 3.10. H/W Sub System 49 3.12. DOWNLOAD 133 5.1 KS20 DOWNLOAD 133 6. Phone Test Mode _ 3G smart Phone KS20 182 11. Main Features 76 4. BLOCK DIAGRAM 146 6.1 GSM & UMTS RF Block 146 6.2 Interface Diagram 148 7. Calibration & RF Auto Test Program (... 117 4.15 Keypad Backlight Troubleshooting ........120 4.16 Main LCD Troubleshooting 121 4.17 Receiver Path 122 4.18 Headset path 124 4.19 Speaker phone path 126 4.20 Main microphone 128 4.21 Headset microphone 130 4.22 Vibrator 132 5.
Operating Instructions
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... users are responsible for training and service purposes -5- The manufacturer will prevent unauthorized use . Maintenance Limitations Maintenance limitations on the phones must be performed only by an unauthorized part (for example, persons other than your company's employees, agents, subcontractors, or... service until repair can result in Service A local telephone company may be expected to affect the use of the phones or compatibility with your telecommunications services. Inc. C. Only for the security of facilities accessed through or connected to prevent...
... users are responsible for training and service purposes -5- The manufacturer will prevent unauthorized use . Maintenance Limitations Maintenance limitations on the phones must be performed only by an unauthorized part (for example, persons other than your company's employees, agents, subcontractors, or... service until repair can result in Service A local telephone company may be expected to affect the use of the phones or compatibility with your telecommunications services. Inc. C. Only for the security of facilities accessed through or connected to prevent...
Operating Instructions
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...agencies. F. G. your actual hardware may interfere with rules regarding radiation and radio frequency emission as described. Copyright © 2007 LG Electronics. Inc. All right reserved. 1. INTRODUCTION E. In accordance with anti-static mat which contain Electrostatic Sensitive Device (ESD),...are used. • When returning system boards or parts like EEPROM to the end user. Interference and Attenuation A phone may look slightly different. Interference from unsuppressed engines or electric motors may be required to provide information such as the following...
...agencies. F. G. your actual hardware may interfere with rules regarding radiation and radio frequency emission as described. Copyright © 2007 LG Electronics. Inc. All right reserved. 1. INTRODUCTION E. In accordance with anti-static mat which contain Electrostatic Sensitive Device (ESD),...are used. • When returning system boards or parts like EEPROM to the end user. Interference and Attenuation A phone may look slightly different. Interference from unsuppressed engines or electric motors may be required to provide information such as the following...
Operating Instructions
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... power from all derived from a common trimmed voltage reference. A dedicated controller manages the TCXO warm-up - Copyright © 2007 LG Electronics. General MSM7200, included RF, is fully covered by an Interrupt Manager for training and service purposes and generates all wireless handset ...on sequence. It monitors and controls the power sources, detecting which sources are applied, verifying that they are : PM7540(U304) : Phone power supply MAX8645Y(U702) : LCD Backlight/Flash charge pump 3.9.2. PM7540 The PM7540 device (Figure) integrates all the regulated voltages needed ...
... power from all derived from a common trimmed voltage reference. A dedicated controller manages the TCXO warm-up - Copyright © 2007 LG Electronics. General MSM7200, included RF, is fully covered by an Interrupt Manager for training and service purposes and generates all wireless handset ...on sequence. It monitors and controls the power sources, detecting which sources are applied, verifying that they are : PM7540(U304) : Phone power supply MAX8645Y(U702) : LCD Backlight/Flash charge pump 3.9.2. PM7540 The PM7540 device (Figure) integrates all the regulated voltages needed ...
Operating Instructions
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...) [Figure1.17] USB block(MSM7200 Side & PM7540 Side) LGE Internal Use Only - 52 - Inc. TECHNICAL BRIEF 3.11.2.3. to provide an efficient interconnect between the mobile phone and a personal computer (PC). 3. Therefore, by the MSM7200. Copyright © 2007...
...) [Figure1.17] USB block(MSM7200 Side & PM7540 Side) LGE Internal Use Only - 52 - Inc. TECHNICAL BRIEF 3.11.2.3. to provide an efficient interconnect between the mobile phone and a personal computer (PC). 3. Therefore, by the MSM7200. Copyright © 2007...
Operating Instructions
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All right reserved. LGE Internal Use Only 3. MODE Voice Call Speaker phone MIDI MP3 Device Receiver Mode Loud Mode Headset Loud Mode Loud Mode Headset Loud Mode Headset Description Receiver Voice Call Speaker Phone Headset Voice Call Speaker Phone Speaker MIDI Bell Headset MIDI Bell Speaker MP3 Headset MP3 [Table 1.13] Audio Mode Copyright © 2007 LG Electronics. Only for training and service purposes - 69 - TECHNICAL BRIEF 3.11.8.3. Audio Mode There are three audio modes (Voice call, speaker phone, MIDI/MP3). Inc.
All right reserved. LGE Internal Use Only 3. MODE Voice Call Speaker phone MIDI MP3 Device Receiver Mode Loud Mode Headset Loud Mode Loud Mode Headset Loud Mode Headset Description Receiver Voice Call Speaker Phone Headset Voice Call Speaker Phone Speaker MIDI Bell Headset MIDI Bell Speaker MP3 Headset MP3 [Table 1.13] Audio Mode Copyright © 2007 LG Electronics. Only for training and service purposes - 69 - TECHNICAL BRIEF 3.11.8.3. Audio Mode There are three audio modes (Voice call, speaker phone, MIDI/MP3). Inc.
Operating Instructions
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TECHNICAL BRIEF Voice Call Speaker Phone Mode MSM7200 (U100-1) Headset AMP (U402) Head_Set Receiver and Loud Speaker Analog switch (U400) AMP (U401) MIC Head_set MIC Voice Voice + MP3 + MIDI Voice Call Speaker Phone Mode is routed as below MSM7200 LINE_ON, LINE_OP -> AMP(U401) ->Analog Switch( U400 ) -> Loud speaker LGE Internal Use Only - 72 - All right reserved. Copyright © 2007 LG Electronics. Only for training and service purposes Inc. 3.
TECHNICAL BRIEF Voice Call Speaker Phone Mode MSM7200 (U100-1) Headset AMP (U402) Head_Set Receiver and Loud Speaker Analog switch (U400) AMP (U401) MIC Head_set MIC Voice Voice + MP3 + MIDI Voice Call Speaker Phone Mode is routed as below MSM7200 LINE_ON, LINE_OP -> AMP(U401) ->Analog Switch( U400 ) -> Loud speaker LGE Internal Use Only - 72 - All right reserved. Copyright © 2007 LG Electronics. Only for training and service purposes Inc. 3.
Operating Instructions
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Stereo Headset & Speaker phone - 72 Poly Sound - Windows MobileTM 6 Professional - All right reserved. 3. Supports WLAN - Inc. Bar Type Simple & Stylish design - Dual Camera (2M Pixel w AF + VGA(0.3M Pixel)) - Internal User Memory over 128MB - 1050 mAh (Li-Ion Polymer) - Main Features 1. LG KS20 Main Features - JPEG en/decoder - Copyright © 2007 LG Electronics. HSDPA...
Stereo Headset & Speaker phone - 72 Poly Sound - Windows MobileTM 6 Professional - All right reserved. 3. Supports WLAN - Inc. Bar Type Simple & Stylish design - Dual Camera (2M Pixel w AF + VGA(0.3M Pixel)) - Internal User Memory over 128MB - 1050 mAh (Li-Ion Polymer) - Main Features 1. LG KS20 Main Features - JPEG en/decoder - Copyright © 2007 LG Electronics. HSDPA...
Operating Instructions
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....768Khz YES Check an U100 SMT status by X-ray Exchange U100 or Change the Main board And Retest NO Check the TXCO Copyright © 2007 LG Electronics. 4. NO Change the Main board YES Is clock ok? YES NO Check the Key Dome VMSMC1_1.2V, VMSMC2_1.2V, VMSMP_2.6V, VMSME_1.8V, VTCXO_2....85V, VMSMA_2.6V power up and system reset assert to MSM -> Phone booting and PS_HOLD(D311) assert to low when key press? LGE Internal Use Only Only for training and service purposes - 109 - higher NO Change or...
....768Khz YES Check an U100 SMT status by X-ray Exchange U100 or Change the Main board And Retest NO Check the TXCO Copyright © 2007 LG Electronics. 4. NO Change the Main board YES Is clock ok? YES NO Check the Key Dome VMSMC1_1.2V, VMSMC2_1.2V, VMSMP_2.6V, VMSME_1.8V, VTCXO_2....85V, VMSMA_2.6V power up and system reset assert to MSM -> Phone booting and PS_HOLD(D311) assert to low when key press? LGE Internal Use Only Only for training and service purposes - 109 - higher NO Change or...
Operating Instructions
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... or USB Cable - Check the battery LGE Internal Use Only - 112 - Battery Troubleshooting Setup - Connect TA and battery to the phone Troubleshooting Procedure - Check the OVP Circuit - Copyright © 2007 LG Electronics. Only for training and service purposes Connect TA or USB Cable - Check the charger (TA or USB Cable) connector - Inc...
... or USB Cable - Check the battery LGE Internal Use Only - 112 - Battery Troubleshooting Setup - Connect TA and battery to the phone Troubleshooting Procedure - Check the OVP Circuit - Copyright © 2007 LG Electronics. Only for training and service purposes Connect TA or USB Cable - Check the charger (TA or USB Cable) connector - Inc...
Operating Instructions
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..., R104 → Analog Switch(U400) → R421, R420 → CN400 → CN602 → R751, R750 → L703, L702 → CN701 → Speaker Start Connect the phone to network Equipment and setup call Setup 1KHz tone out Can you hear the tone? All right reserved. Inc. NO YES Check an U100 SMT... NO Sine wave appears at SPK+? YES YES END NO Change the Main board NO The sine wave appears at R103, R104? Copyright © 2007 LG Electronics. 4. YES The sine wave appears at SPKR_N,SPKR_P SUB PCB YES NO The sine wave appears at Pin 4, 1 CN400?
..., R104 → Analog Switch(U400) → R421, R420 → CN400 → CN602 → R751, R750 → L703, L702 → CN701 → Speaker Start Connect the phone to network Equipment and setup call Setup 1KHz tone out Can you hear the tone? All right reserved. Inc. NO YES Check an U100 SMT... NO Sine wave appears at SPK+? YES YES END NO Change the Main board NO The sine wave appears at R103, R104? Copyright © 2007 LG Electronics. 4. YES The sine wave appears at SPKR_N,SPKR_P SUB PCB YES NO The sine wave appears at Pin 4, 1 CN400?
Operating Instructions
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... Change the Headset LGE Internal Use Only - 126 - Only for training and service purposes Inc. Setup 1KHz tone out and insert headset. 4. Copyright © 2007 LG Electronics. Can you hear the tone? TROUBLE SHOOTING 4.18 Headset path MSM7200 HPH_R, HPH_L → C409, C406 → HEADSET AMP(U402) → R405, R404 →...
... Change the Headset LGE Internal Use Only - 126 - Only for training and service purposes Inc. Setup 1KHz tone out and insert headset. 4. Copyright © 2007 LG Electronics. Can you hear the tone? TROUBLE SHOOTING 4.18 Headset path MSM7200 HPH_R, HPH_L → C409, C406 → HEADSET AMP(U402) → R405, R404 →...
Operating Instructions
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...SPKR_N,SPKR_P SUB PCB YES NO The sine wave appears at C402/R403 and C401/R402? Copyright © 2007 LG Electronics. Only for training and service purposes TROUBLE SHOOTING 4.19 Speaker phone path MSM7200 LINE_OP,LINE_ON → C402/R403, C401/R402 → Speaker AMP(U401) → Analog Switch(U400...) → R421, R420 → CN400 → CN602 → R751, R750 L703, L702 → CN701 → Speaker Start Connect the phone to network equipment and setup call Setup 1KHz tone out Sine wave appears at Pin 4, 1 CN400? YES The sine wave appears at NO SPK+? All...
...SPKR_N,SPKR_P SUB PCB YES NO The sine wave appears at C402/R403 and C401/R402? Copyright © 2007 LG Electronics. Only for training and service purposes TROUBLE SHOOTING 4.19 Speaker phone path MSM7200 LINE_OP,LINE_ON → C402/R403, C401/R402 → Speaker AMP(U401) → Analog Switch(U400...) → R421, R420 → CN400 → CN602 → R751, R750 L703, L702 → CN701 → Speaker Start Connect the phone to network equipment and setup call Setup 1KHz tone out Sine wave appears at Pin 4, 1 CN400? YES The sine wave appears at NO SPK+? All...
Operating Instructions
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...for training and service purposes Inc. Port Setting → 1. Press "Done" and reset the KS20. LGMDP supports Windows 2000/XP where the LG KS20 USB modem driver (Ver 1.0 or later) is a LGE application that allow users to download images from PC to 9 handsets at ... Downloading Procedure * Before the image download, we must set the KS20 USB diag port as a composite USB port. 1. Press "2676625720#" in the phone dialer application to the handset. Diag Setting → 1. 5. DOWNLOAD 5.1 KS20 DOWNLOAD 5.1.1 Introduction LGMDP is installed. LGMDP is a download tool with ...
...for training and service purposes Inc. Port Setting → 1. Press "Done" and reset the KS20. LGMDP supports Windows 2000/XP where the LG KS20 USB modem driver (Ver 1.0 or later) is a LGE application that allow users to download images from PC to 9 handsets at ... Downloading Procedure * Before the image download, we must set the KS20 USB diag port as a composite USB port. 1. Press "2676625720#" in the phone dialer application to the handset. Diag Setting → 1. 5. DOWNLOAD 5.1 KS20 DOWNLOAD 5.1.1 Introduction LGMDP is installed. LGMDP is a download tool with ...
Operating Instructions
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... 5. Click on Top Check if LGMDP always appears at the top of the file menu the way you want. Inc. Copyright © 2007 LG Electronics. DOWNLOAD • Connect the phone to download new image file. To enable this simply check the box. ➢ Always on the File menu and select Preferences. ➢...
... 5. Click on Top Check if LGMDP always appears at the top of the file menu the way you want. Inc. Copyright © 2007 LG Electronics. DOWNLOAD • Connect the phone to download new image file. To enable this simply check the box. ➢ Always on the File menu and select Preferences. ➢...
Operating Instructions
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... the Image Folder by clicking on the Browse... The selected AMSS image will be different from the path directory in the snapshot.) Copyright © 2007 LG Electronics. All right reserved. LGE Internal Use Only For instance, select the path of wrong AMSS Modem file is file is selected, the... phone may not work. (The file name shall be downloaded to the handset from that you can select images by clicking on the Browse..., then the ...
... the Image Folder by clicking on the Browse... The selected AMSS image will be different from the path directory in the snapshot.) Copyright © 2007 LG Electronics. All right reserved. LGE Internal Use Only For instance, select the path of wrong AMSS Modem file is file is selected, the... phone may not work. (The file name shall be downloaded to the handset from that you can select images by clicking on the Browse..., then the ...
Operating Instructions
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... work after downloading has been completed. 5.1.3.1 When the phone does not work • Reboot the phone in case of emergency situation. Only for downloading is running so that users can download the images again in the emergency mode (Turn off . Copyright © 2007 LG Electronics. LGE Internal Use Only In this mode, minimum... Check the LED is off the KS20 and turn on wile pressing "SEND" + "Function" Key simultaneously) and then try to download all the images. The phone supports a special mode called emergency mode. Inc. 5.
... work after downloading has been completed. 5.1.3.1 When the phone does not work • Reboot the phone in case of emergency situation. Only for downloading is running so that users can download the images again in the emergency mode (Turn off . Copyright © 2007 LG Electronics. LGE Internal Use Only In this mode, minimum... Check the LED is off the KS20 and turn on wile pressing "SEND" + "Function" Key simultaneously) and then try to download all the images. The phone supports a special mode called emergency mode. Inc. 5.
Operating Instructions
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... selected image will boot to normal mode. All right reserved. 5. DOWNLOAD • The below dialog shows parameters of Select Port when phone is booted in the PC. Copyright © 2007 LG Electronics. Inc. Click on the Connect button to continue. • Choose Image file after clicking on the Start button to the...
... selected image will boot to normal mode. All right reserved. 5. DOWNLOAD • The below dialog shows parameters of Select Port when phone is booted in the PC. Copyright © 2007 LG Electronics. Inc. Click on the Connect button to continue. • Choose Image file after clicking on the Start button to the...
Operating Instructions
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Select "UART Port" that you want - Copyright © 2007 LG Electronics. Calibration & RF Auto Test Program (Hot Kimchi) 9.2 How to use HOT KIMCHI 1 2 3 * Procedure 1. Logic Mode -> 1: Calibration Only 2: Auto Test Only 3: Calibration + Auto LGE Internal Use Only - 180 - Inc. 9. Only for training and service purposes Select "LOGIC MODE" that PC can communicate with the phone 3. Click "Logic Operation" of "SETTING" menu bar 2. All right reserved.
Select "UART Port" that you want - Copyright © 2007 LG Electronics. Calibration & RF Auto Test Program (Hot Kimchi) 9.2 How to use HOT KIMCHI 1 2 3 * Procedure 1. Logic Mode -> 1: Calibration Only 2: Auto Test Only 3: Calibration + Auto LGE Internal Use Only - 180 - Inc. 9. Only for training and service purposes Select "LOGIC MODE" that PC can communicate with the phone 3. Click "Logic Operation" of "SETTING" menu bar 2. All right reserved.
Operating Instructions
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Device Test 3. Inc. 10. Phone Test Mode _ 3G smart Phone KS20 1. All right reserved. Run Dialer, then insert "2676625720#" by tapping keypad 2. Only for training and service purposes LGE Internal Use Only - 182 - Tap 6. Copyright © 2007 LG Electronics. Tap 3. Tap PTM(Phone Test Mode) Button. Phone Test Mode _ 3G smart Phone KS20 10. Q_Test Program 4.
Device Test 3. Inc. 10. Phone Test Mode _ 3G smart Phone KS20 1. All right reserved. Run Dialer, then insert "2676625720#" by tapping keypad 2. Only for training and service purposes LGE Internal Use Only - 182 - Tap 6. Copyright © 2007 LG Electronics. Tap 3. Tap PTM(Phone Test Mode) Button. Phone Test Mode _ 3G smart Phone KS20 10. Q_Test Program 4.