LG 50PC1DR - - 50" Plasma TV Training Manual Download Page 46 | Manualshive

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CIRCUIT DESCRIPTIONS

Plasma Training

46

Adjustments

Z-SUSTAIN

Function: Connected to Sustain (Z) electrode and FPC to operate Sustain. Make the SUSTAIN PULSE
and ERASE PULSE that generates SUSTAIN discharge in the panel by receiving the LOGIC signal from
the CONTROL B/D. Composed with IPM, FET, DIODE, electrolytic capacitor, E/R coil.

SUS_UP

SUS_DN

Z_BIAS

ER_UP

ER_DN

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Summary of Contents for 50PC1DR - - 50" Plasma TV

Page 1: ...Digital Display Digital Display TRAINING MANUAL PLASMA DISPLAY PANEL 2006 V2 60PY2DR 50PY2DR 50PX4DR 50PC1DR 50PC1DRA ...

Page 2: ...ted metal in the appliance Alternatively you may touch your finger repeatedly to a green ground connection point or unpainted metal in the appliance Before removing a replacement part from its package touch the anti static bag to a green connection point or unpainted metal in the appliance Avoid unnecessary contact with electronic parts or terminal contacts Handle the electronic control assembly b...

Page 3: ...LESHOOTING 54 SIGNAL CONTROLTROUBLESHOOTING 54 Z SUSTAINTROUBLESHOOTING 55 TROUBLESHOOTHINGTHE COF ICS 56 PANEL DRIVE SIGNAL 57 MEMORY CARD ERRORS 64 DISASSEMBLY 65 PREPARATION 65 DISASSEMBLY OF THE DU 42PX12X 65 DISASSEMBLY OF THE 2DR MODELS 72 SOFTWARE UPDATES 79 UPDATES VIA MEMORY CARD 79 FIRMWARE UPDATES VIA SERIAL CABLE 82 FIRMWARE UPDATES VIA MDS 84 USING LGIDS AND GPROBE 86 CONTROL PCB SOFT...

Page 4: ... 4 ...

Page 5: ... the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus h...

Page 6: ...s away from high voltage or high temperature parts LEAKAGE CURRENT COLD CHECK ANTENNA COLD CHECK With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on positioin connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna t...

Page 7: ... 7 ...

Page 8: ...P High bandwidth Digital Content Protection MODEL LIST Below is a list of all PDP models This manual focuses on the newer 2005 2006 models but the others are listed for reference 40 EDTV 42 HDTV DPDP40 42PC1DA DU 42PZ60 MU 42PZ15VB P42W22H RU 42PX10 DPDP40V MU 42PM12X DU 42PZ70 MU 42PZ41 P42W24B RU 42PX11 MU 40PA10C DU 42PX12XC MU 42PX11 MU 42PZ41VB P42W24BX RU 42PZ90 MU 40PA10 MU 42PZ10 MU 42PZ90...

Page 9: ...2 3 2003 4 2004 Feature Level 2 Consumer 4 Commercial 6 Consumer OLDER LG PRODUCTS M U 5 0 P Z 9 0 V Product Type M Monitor D ATSC Tuner K DVD Player R NTSC Tuner T DVR Old LG Structure Screen Size Aspect Ratio A B C 4 3 X Y Z 16 9 Feature Level Options H High Altitude V Pivot M Altitude Pivot Q Home Security Network D DLP L LCD Region U North America Z Europe T NA EU P South America J Japan N Kor...

Page 10: ...ay Type F Flat CRT L LCD P Plasma S Micro Display Brand Z Zenith Blank LG NEW LG ZENITH PRODUCTS New 2006 LG Zenith Structure 5 0 P A 1 D R U A Tuner R NTSC Tuner D ATSC Tuner M No tuner Screen Size Feature Level C F J Good B E H Better A D G Best Series Options R DVR P DVD C Commercial H High Altitude Display Type P Plasma L LCD M LCD RPTV D DLP RPTV S LCoS RPTV F Flat CRT N CRT RPTV J Projector ...

Page 11: ...Brand 2 A B C D E F G H I J K Year A B Month C D Factory Code E F 2 digit Secret Code G K Sequential number Some MWO models such as SMB6500B and SMB6500W have 6 digit sequential number from G L Product LG Goldstar Brand Some Products after January 2004 3 A B C D E F G Year A Month 1 9 Jan Sep O Oct N Nov D Dec B G Sequential number Product Zenith Brand DVD VCR Old Serial No 4 A B C D E F G Year A ...

Page 12: ...E F Month G K Sequential number Product Zenith Brand TV TVCR Orion Hatzlachh OEM Product 8 EXCEPTION Model R5000 Room Air Con 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ____ __ __ ______________ à Sequential Number XXXXXXX 5 to 7 digits Number or Alphabet à Secret Code VV 2 digits Alphabet à Production Site SS 2 digits Alphabet à Last digit of Year and Month for Production YMM 3 digits Number Example 403MXX...

Page 13: ... not denoted as pivot models veritcally For proper ventilation allow a clearance of 4 in on each side and the top 2 36 in on the bottom and 4 in from the wall JACKPACK COVER Some models feature a jackpack cover Remove the cover by grasping the lower left and right of the cover and then pulling it out Make the required connections and then replace the cover by aligning the guide to the bushings and...

Page 14: ...e without notice Some units require spacers between the mount and the unit this also varies by cabinet design 15 4 2 0 4 0 491 4 13 4 019 4 48 0 115 0 8 M 5 00 25 4 2 0 4 0 491 4 13 4 019 4 48 0 115 0 8 M 5 00 mm mm h3 H1 d3 D1 d2 D2 r P d D Length Drill Diameter Thread Height Minor Diameter Pitch Diameter Root Radius Pitch Nominal Diameter 15 4 2 0 4 0 491 4 13 4 019 4 48 0 115 0 8 M 5 00 25 4 2 ...

Page 15: ...guaje If the language is set to French the Language Menu will be listed as Langue The main menu list will not change SETUP MENU The Setup Menu houses all of the services and options for TV channels and inputs EZ SCAN The EZ Scan function will automatically scan for all available over the air OTA broadcast and or Cable TV Service channels and adds them to the Channel Map Depending on individual mod...

Page 16: ...he PSIP data CHANNEL EDIT The Channel Edit feature allows users to specify channel usage Users may add or delete channels from the Channel Map The add function primarily operates on channels that have already been added to the Channel map and previously deleted Use the Manual Scan function to add a new channel Users may also create a Favorite Channel Map by using the Channel Edit feature and marki...

Page 17: ... the On Screen Menu or MENU to return to the previous menu NOTE Not all Network Logos are available Memory limitations restrict the amount of logos that can be available within the software of the TV MAIN INPUT The Main Input option selects the TV s input picture source to be displayed on the screen 1 Press MENU on the Remote Control or Front Controls 2 Use the buttons to highlight the SETUP Menu ...

Page 18: ...nu houses all of the services and options for Picture adjustment EZ PICTURE The EZ Picture option is a series of pre set values for picture appearance for particular program categories Typical EZ Picture options include Daylight A bright setting to help compensate for high levels of ambient light normally experienced during daytime hours Night Time A dim setting to help compensate for reduced leve...

Page 19: ...trast is set too low whites will appear gray To properly set the Contrast Level lower the contrast setting so that white becomes gray Next begin stepping up the contrast level until the lightest gray color becomes white white and gray sections become one larger section and then move the control down one step There should always be a noticeable difference between white and light gray and also note ...

Page 20: ...ts are completed reds may over saturate slightly causing yellows to appear orange You may need to slightly reduce the color level to compensate for this effect Sharpness The Sharpness control is used to adjust the amount of data added to the display image When the sharpness control is set too high white or jagged edges will appear on black lines or the edges of objects When the sharpness control i...

Page 21: ...ress 3 Use the buttons to highlight EZ SoundRite 2nd Item and press 4 Use the buttons to highlight either Off or On 5 Press ENTER to save the selection 6 Press EXIT to completely exit the On Screen Menu or MENU to return to the previous menu EZ SOUND The EZ Sound function is a series of preset audio settings to maximize the sound quality of various program types Normal Factory presets for treble b...

Page 22: ...hoSound System SRS Labs process for improving an incoming mono audio signal to produce a simulated stereo effect The 3D EchoSound system will also create a three dimensional sound by creating a wider and deeper sound stage SRS TruSurround XT SRS Labs process for mimicking multi channel surround sound effect from 2 channels of audio output The SRS TruSurround XT process can also provide more clarit...

Page 23: ... to be set automatically via either XDS signals from a PBS broadcaster or from Gemstar s TV Guide On Screen TVGOS signal Non TVGOS models Auto Clock will set the clock based on XDS signal from a PBS broadcaster TVGOS models Auto Clock will set the clock based on the incoming TVGOS signal 1 Press MENU on the Remote Control or Front Controls 2 Use the buttons to highlight the TIME Menu 4th Menu and ...

Page 24: ...ons to set the minute 7 If set to On use the buttons to set the channel for the TV to turn on to 8 If set to On use the V buttons to set the volume for the TV to turn on at 9 Press ENTER to save the selection 10 Press EXIT to completely exit the On Screen Menu or MENU to return to the previous menu NOTE The TV must be in Stand by mode for the On function to operate TIP The time must be set before ...

Page 25: ...ent without any correction showing bars on both sides of the picture 16 9 Displays 4 3 content stretched horizontally consuming the entire screen Horizon Displays 4 3 content stretched only at the sides to consume the entire screen The center portion of the image is not stretched Zoom 1 Enlarges the overall size of 4 3 content to consume the entire screen without and distortion However the upper a...

Page 26: ... Incoming NTSC broadcast signal CC 1 Closed Captions that are in English and in time with spoken dialog CC 2 Closed Captions that are not required to be in time with spoken dialog CC 3 Closed Captions that are in an alternate language CC 4 Open use without specifications Text 1 Near full screen Closed Captions in time with spoken dialog Text 2 Near full screen Closed Captions not required to be in...

Page 27: ...buttons to set the item option 6 Repeat Steps 4 and 5 to set the edit all of the desired items 7 Press ENTER to save the selection 8 Press EXIT to completely exit the On Screen Menu or MENU to return to the previous menu EZ DEMO The EZ Demo option demonstrates the available menus of the TV 1 Press MENU on the Remote Control or Front Controls 2 Use the buttons to highlight the OPTION Menu 5th Menu ...

Page 28: ...icted all ratings below are blocked NC 17 No one 17 and under admitted all ratings below are blocked X Adult only Blocking Off Permits all programs TELEVISION RATING SYSTEM TV G General audience TV PG Parental guidance suggested TV 14 Parents strongly cautioned TV MA Mature audience only TV Y All children TV Y7 Children 7 years and older TV RATING CHILDREN OPTION SETTING Age TV Y and TV Y7 Fantasy...

Page 29: ...wer Board Primary Power Board Tuner Board Digital Board Control Board X Top Drives X Bottom Drives AC Filter Rectifier Accessing the Digital PCB or the Tuner PCB is made easier than on past units by removing the sub back cover The whole back can be removed while the unit is on the original stand Sub Cover ...

Page 30: ... 30 Adjustments 50PX4DR LAYOUT HDD SMPS Tuner Digital Control SMPS Tuner Digital HDD SMPS Tuner Digital Control Squirrel cage fan 50PC1DR LAYOUT NOTE This fan does not startup when the unit is powered on from a cold start for 2 3 minuets ...

Page 31: ...trol circuit This circuit will recognize the HDD if it is programmed and formated correctly These drives are setup especially for this function thus a drive from another vender will not function in this unit This is done for CP Copy Protect reasons If the HDD is suspect of errors or video issues power down the unit and remove A C and disconnect the IDE cable and power the unit back on If the probl...

Page 32: ...r LTC1470 VPP_SW Flag VPP1 MNT_Out LR 2 SIF LR 2 Comp_2 LR 2 RGB Phone LR 2 I2S Out 3 HD II HD II ANALOG_L R HDMI Rx SiL 9021 BSS83 BSS83 8 2 RXD 0 2 RXCLK DDC I2C RGB H V CLK 3 24 EEPRO M HD2_MAIN_PWM OR4 OR4 HDMI 1 CS8415A RX_HDMI SPDIF IEP LGDT4410 SPDIF_IN_BYPASS AUDIO ADC CS5331 I2S In 3 PWM MODULATOR NSP2100A I2S I2S_MCLK PWM AMP TAS5122 PWM_L R CXA2069 Sub_CVBS SYNC SEPARATOR MM1108XF ANALO...

Page 33: ...X_HDMI_SPDIF IEP LGDP441 0 SPDIF_IN_BYPASS AUDIO ADC CS5331 I2S In 3 PWM MODULATOR NSP6241B I2S I2S_MCLK PWM AMP TAS5122 PWM_L R CXA2069 MAIN_CVBS SYNC SEPARATOR MM1108XF ANALOG DE MULTIPLEXER 74HCT4053 U COM PIC18F1220 H V G_LINK_CONN UART1_RX TX GEM_IR_OUT Voltage Comp LM311M AH_SPD IFCLK HD2_DAC SCK LRCK Buffer 74LCX244 3 I2S Out BUFFER MC33078 Sil9021 IIC B 0 20 IIC A 0 C 0 IIC A 0 C2 IIC A 0 ...

Page 34: ...hardware MPEG decoders This PCB contains three tuners one OOB Out Of Band one digital tuner and an analog tuner NOTE The RCA cables connecting the tuner to the RF adapter do NOT come with PCB replacements They must be removed from the original PCB and connected properly to deliver the correct signal to the correct tuner NOTE The ribbon cables seen in the upper left connect this PCB to the Digital ...

Page 35: ...3DA42 IC1100 OUT1 IN2 LG POD Controller ATSC NTSC Tuner TU301 NTSC Tuner TU302 VSB QAM 0x1C CON CN1101 MSP4450 L R VSB_TP LPF FMS6410 IC607 TPNII LGDT1303 MPGE ENCODER BCM7040 656 Data TP_V0 PDR_PES TP_V1 TP_ENC POD_TP0 Buffer 74FCT244 IC1601 MUX CPLD TPN_TP TP_ENC 000 001 010 011 100 1394_IN_TP 000 001 010 100 VSB_TP TP_V0 1394_OUT_TP POD_TP0 00 01 10 VSB_TP 1394_OUT_TP POD_TP0 TPN_TP TPNII MUX C...

Page 36: ...CIRCUIT DESCRIPTIONS Plasma Training 36 Adjustments POWER SUPPLY MAIN STANDBY SMPS 60PY2DR MAIN SMPS PCB 60PY2DR P801 P805 ...

Page 37: ...n 9 or 10 and the negative lead to chassis ground Refer to the panel label for the correct setting VS ADJUSTMENT 60PY2DR VS adjustment also has no dedicated test point Use P805 pins 1 2 or 3 and connect the negative probe from a DVM to chassis ground Refer to the panel label for the correct setting 5V ADJUSTMENT 60PY2DR This 5V adjustment can be tested on P801 pin 5 to chassis gnd ...

Page 38: ...TIONS Plasma Training 38 Adjustments 50PX4DR SMPS 50PX4DR SMPS ADJUSTMENTS VCC Adjusment to adjust StandBy voltages at P801 VA ADJUSTMENT 50PX4DR VA adjustment use P805 pin 9 or 10 and chassis ground to test P805 P801 ...

Page 39: ...805 pin 8 9 or 10 for VS to chassis ground For VA P805 pin 1 or 2 to chassis ground Refer to the panel label for the correct settings VS adjustment VA adjustment This 3 3VDC is supplied for the cablecard and micro processers in this unit Test point is P803 pin 1 using chassis ground for reference to ground P805 ...

Page 40: ...1 5 KIA78R09 KIA78R09 FAN4 FAN4 FMS6407 FMS6407 LGDT1304 LGDT1304 PQ05DZ1U PQ05DZ1U HDD HDD 5V_ST 5V_ST 3 3V_ST 3 3V_ST 242LP 242LP AZ1117 1 8 AZ1117 1 8 SC2595 SC2595 AZ1086 1 8 AZ1086 1 8 AZ1117 1 5 AZ1117 1 5 uPD64015 2 uPD64015 2 HY57161610 2 HY57161610 2 AZ1117 1 8 AZ1117 1 8 LGDT3703 LGDT3703 AZ1117 1 8 AZ1117 1 8 LGDT3703 LGDT3703 AT NT Tuner AT NT Tuner AT NT Tuner w OOB AT NT Tuner w OOB ...

Page 41: ...5V_ST 5V_ST 3 3V_ST 3 3V_ST SC1565 1 8 SC1565 1 8 pj W Si3865 R z ymz R UW pjZWX PQ05DZ1U PQ05DZ1U pjZWX CXA2181 CXA2181 6V 6V R UW TAS5122 TAS5122 20V 20V ସX Z hହ ସY_ hହ MSP4458G MSP4458G ସX hହ ସY hହ ସY hହ ସ hହ ସRZUZ ହ ସ YG hହ ସXhହ l lylz YGk GiVkGwv lyGisvjr ସ__G hହ Si3865 Si3865 Si3865 w y z Y w y z X NSP2100A NSP2100A AT24C16 AT24C16 pj WY BA033 3 3 BA033 3 3 YWW h ସZG hହ ସY G hହ ...

Page 42: ...kpm y Ojz_ X hP W YW t Gtzw Otzw WrP W _W h Gz Oj hYW xP W W Tj Ot XYtmP W W pYj joXGOs P jw pYj pYj joYGOk P pYj joZGOs P pYj jo GOk P h Vu Vvvi O k tTo XwP W jW plwY Osnkw XXP W Xl h Gz Oj hYX_XxP W _ khzw OuzwYXWWhP W j jwsk Olwt WP pYj o i lu Xa kwss Osnk X WXiP W XY wkwGt W Xj t ziVxht Osnk Z WZiP W Xj w Gl U Ot YZYWP W U z OkzX YXP W XW_Ww k Tp Omsp_ _P W VW _ p G w Gl U Ot YZYWP W W z Gtzw ...

Page 43: ... Scan Y electrode and FPC to operate Scan and Sustain Supply a wave form that energizes the horizontal electrode sequentially Generates a potential difference between GND and Vpp only in scan period Brightness and addresses of the pixels comes from this board Driver ICs Driver Array Power Supply Driver boards ...

Page 44: ... too low the brilliance of the image is not as strong due to lack of drive voltage this is hard to see with the naked eye When Vsc is too high the panel begins to over drive and will reduce the life of the panel Vsc Adjustment Vy Adjustment Vsc Testpoint Vy Testpoint Below are test points for the Y Drive PCB It is best to use chassis ground for this scope reading Use the ground below when measurin...

Page 45: ...Plasma Training 45 Adjustments CIRCUITDESCRIPTIONS SUS_DN WAVEFORM MAIN Y DRIVE RAMP_DN WAVEFORM RAMP_UP WAVEFORM ER UP WAVEFORM ER_DN WAVEFORM SUS_UP WAVEFORM SW ...

Page 46: ...d to Sustain Z electrode and FPC to operate Sustain Make the SUSTAIN PULSE and ERASE PULSE that generates SUSTAIN discharge in the panel by receiving the LOGIC signal from the CONTROL B D Composed with IPM FET DIODE electrolytic capacitor E R coil SUS_UP SUS_DN Z_BIAS ER_UP ER_DN ...

Page 47: ...SCRIPTIONS Earlier version of the Z SUS PCB Variable resistance of Z RAMP waveform Z Bias Adjustment 103 0 VDC to chassis ground ZER_UP WC ZER_DN Vs_CON ZSUS_UP ZSUS_DN Z_BIAS ZO_DUM1 Waveforms for P1 taken from model 50DC1D on the next page ...

Page 48: ...ESCRIPTIONS Plasma Training 48 Adjustments Waveforms for P1 taken from model 50DC1D From the screen print P1 as pin one and the black wire as Pin 12 PIN1 PIN2 PIN3 PIN4 PIN5 PIN6 PIN7 PIN8 PIN9 PIN10 PIN11 PIN12 ...

Page 49: ...oard receives a LOGIC signal from the CONTROL B D and controls the ADDRESS PULSE generates Address discharge by an ON OFF operation and supplies the waveform to COF data Signal part Power part Lift up lock Pull COF as shown by arrow This Ribbon containes the COF IC s ...

Page 50: ... input Uses 3 3V 5V 2 kinds of power This PCB controls all aspects of the PDP panel This PCB also digitally segments the panel and controls the pixels and cells as if the panel was a large memory IC and changes the data as needed after screen by screen comparison The data that differs from one frame to another are the addresses that are reset and changed The software in this PCB differs greatly fr...

Page 51: ...This data is crucial to setting the supplies from the SMPS when a new PCB is installed PCB LABELS Model Name Bar Code Code 128 Contains the manufacture No Manufacture No The trade name of LG Electronics Manufactured date Year Month The place Origin Model Suffix 6 2004 02 402K242V6000266 ASLGA Vsc Vy Vsetup PCB Part No Board Ass y Part No BOARD NAME Board Serial No ...

Page 52: ... 0 10 0 0 9 4 7VDC 2 0 11 5 98VDC 5 9VDC 10 0 3 4 9VDC 12 0 0 11 1VDC 4 4 9VDC 13 3 2VDC 3 2VDC 12 0 5 0 1 19 3VDC 19 3VDC 1 0 6 60 3VDC 2 19 3VDC 19 3VDC 2 4 42VDC 7 60 3VDC 3 0 0 3 0 1 0 4 0 0 4 0 2 0 5 5 9VDC 5 9VDC 5 2 6VDC 3 4 9VDC 6 0 1 6 0 4 4 9VDC 7 3 3VDC 3 3VDC 7 0 5 0 8 0 1 8 1 9VDC 6 60 3VDC 9 12 1VDC 12 1VDC 9 0 7 60 3VDC 10 0 1 10 3VDC 1 3 3VDC 3 3VDC 11 14VDC Connector Pin Run Conne...

Page 53: ...P2 P2 P3 P4 P152 P153 P1 P151 P110 P310 P301 P601 P602 P403 P404 P101 P102 P103 RGB RF Block 1 1 1 ATSC NTSC OOB 1 1 1 1 1 1 1 P105 P106 Side AV jacks Front Pannel Speaker Speaker P101 P102 P103 1 1 1 1 Tuner ATSC NTSC OOB P1603 P1604 P801 P1606 HDD CableCARD P1000 P1601 A C Input P2 P300 P200 P107 P300 P200 P100 P210 P3 Ramp_up VY Vset_up Vset_dn VSC Z Bias 93 vdc R111 ...

Page 54: ...he Circuit Descriptions section Again the DVR Digital Video Recorder DCR Digital Cable Ready and TV Guide features are not discussed in this section they each have their own section near the end of this manual SIGNAL CONTROL TROUBLESHOOTING 1 Confirm LED D17 is flashing D13 is lit 2 If not CHECK OSC X1 output 3 Check CTRL input voltage at P300 4 CHECK for 3 3V 5V 15V 5 Check IC 11 for 3 3V IC 3 fo...

Page 55: ... Vs Vset_up Vsc which is essential for each B D There is no separated DC DC B D in model our later plasma models They are embedded DC DC circuits as part of another PCB as seen below Check here with DMM either forward or reverse DMM DMM Y_DRIVE PCB NOTE Use a DVM as shown below set to diode check either forward or reverse bias to check the drive IC ...

Page 56: ...laced Each resistor is a 10 2 10 8 ohm resistor DVM set to Diode test DVM set to Resistance test across the surface mount resistor STV7620 BLK POC STB A6 A5 A4 A3 A2 A1 CLK F R BS VPP OUT96 OUT1 VSSP P bit shift register P P bit shift register P P bit shift register P P bit shift register P P bit shift register P P bit shift register P 1 2 3 4 5 6 16 16 16 16 16 16 91 92 93 94 95 96 Q1 Q2 Q3 Q4 Q5...

Page 57: ...s an important role for address electric discharge If Vs is less than the value on the panel label The slope of set down period descends The amount of wall charge decreases The picture gets darker and set turns off eventually If VS is greater than the value of panel label The slope of set down will shorten Amount of wall charge increases Picture gets brighter because it can t display gray scale Th...

Page 58: ...rges 4 Another line is scanning nothing happens 5 Current line is scanning voltage obtained is X electrode and wall charge on Y electrode conflicts and discharge occurs 6 Wall charge increased by scan step 7 Voltage obtained on Y electrode and wall charge in Z electrode conflicts and discharge occurs 8 Voltage obtained on Y electrode and wall charge in Z electrode conflicts and discharge occurs 9 ...

Page 59: ...Training 59 Troubleshooting Normal waveform 20 6vdc Ramp_up too low 15 2vdc Ramp_up too high 22vdc Noticeable low level color distortion with the Ramp_up too low Noticeable low level color distortion with the Ramp_up too high ...

Page 60: ...ed Vset_DN time The center begins to wash out and arc due to decreased Vset_DN time Vset_DN too low 16 8vdc Vset_DN too high 19 7vdc Vset_UP too high 28 33vdc Very little alteration to the picture the wave form indicates a distorted Vset_UP The peek widens due to the Vset_UP peeking too quickly ...

Page 61: ...rk due to Vset_UP Peeking too late and alters the start of the Vset_DN phase VY too low 154vdc VY too high The center begins to wash out and ark due to VY running to long and clipping Colors and the image will bloom slightly and the unit will have difficulty with clean frame changes in a quickly altering image ...

Page 62: ...uickly changing image The image will show very little change but there will be some distortion in a quickly changing image ZBIAS adjustment On the Z Sustain PCB With the DVM across R92 adjust the potentiometer till the DVM reads 93 vdc DVM ZBIAS adjustment On the Z Sustain PCB With the DVM across R92 adjust the potentiometer till the DVM reads 93 vdc DVM ...

Page 63: ...TROUBLESHOOTING Plasma Training 63 Troubleshooting VS VA adjustments Refer to the panel label for the correct setting ...

Page 64: ...elect memory card before removing Memory card 2 removed unsafely Cannot delete Unable to delete file Cannot move Unable to move file Cannot copy Unable to copy file Memory card not detected No memory card Cannot copy to memory card because free space is too small Not enough memory card space Cannot copy to memory card because it is copy protected Copy protected Unable to copy Cannot eject while co...

Page 65: ...s 5 Nylon cable ties Note Remember to observe ESD Safety precautions when handling electronic printed circuit boards and replacing the plasma display panel Replace all cut cable ties with new ones to secure loose wires Note The stand must be removed from the plasma TV monitor before servicing DISASSEMBLY OF THE DU 42PX12X REAR COVER REMOVAL 1 If you can not remember the connection locations label ...

Page 66: ...ontaining the Digital and Analog boards 5 Disconnect the AC input to the power supply board connector P801 and Main power switch board connector P802 6 Remove mounting screws shown in the picture to remove the AC power cord socket 7 Disconnect the Side Audio Video cable from connector P100 of the Analog control board connection ...

Page 67: ...nect to the power supply connectors P805 and P804 Retain the cables to reuse New cables are not provided 16 Disconnect the cables from the Z Sustain board P151 that connect to the power supply connector P806 Retain the cables to reuse New cables are not provided 17 Remove two 2 mounting screws shown to remove the Main Power switch from the cabinet Remove the power switch from the cabinet assembly ...

Page 68: ...hed to it It can remain attached through the removal from the defective panel and re installation to the placement panel INSPECT REPLACEMENT PANEL Upon receiving the replacement panel it must be inspected to ensure that it has arrived in good condition The following items should be observed to ensure that no shipping damage has occurred 1 Check the outer carton for damage and report it upon receip...

Page 69: ...h the four 4 screws removed in earlier steps Install the eight 8 screws that secure the support brackets to the front cabinet assembly Use extreme caution installing the screws to prevent stripping the screw holes and causing further delays 6 Re install the cooling fan on the left side of the panel 7 Re install the Power Supply board on the replacement panel Install the eight 8 mounting screws to ...

Page 70: ...ocated on the Digital VSC board Connect the Right side cooling fan connector to connector P705 on the Digital VSC board 6 Reconnect the speaker cables to the Analog Tuner board connector P203 and P204 Connect the left speaker to connector P203 and the right speaker cable to connector P204 7 Reconnect the cable from the digital board connector P501 to the Digital VSC board connector P201 8 Reconnec...

Page 71: ...not operate correctly check all connections and look for loose wires that may have been missed or that have become disconnected during the reassembly process 2 Allow the unit to run for 5 minutes This is to allow the set to achieve operating temperature before checking the Vs and Va run voltages This step should be completed before making adjustments to Vs and Va voltages 3 Connect the positive te...

Page 72: ...rcuit boards and replacing the plasma display panel Replace all cut cable ties with new ones to secure loose wires Note The stand must be removed from the plasma tv monitor before servicing REAR COVER 1 If you can not remember the connection locations label each connector with a marker or use another method to identify the correct reconnect location 2 Remove the rear cover screws The arrows imprin...

Page 73: ...r 4 mounting screws used to secure the module housing containing the Digital and Analog boards 5 Disconnect the AC input to the power supply board connector PN1B 6 Disconnect the Side Audio Video cable from connector P100 of the Analog control board connection ...

Page 74: ...MBLY 7 Disconnect the cables P202 P203 P204 and P205 they are the speaker connectors 8 Disconnect the Fan power connectors CN1701 CN1702 and CN1703 9 Remove the black fiberglass tape securing cable connectionCN1300 and disconnect the cable ...

Page 75: ...ile unattached to the unit 13 Disconnect the cables from the Y Sustain board P3 and P4 that connect to the power supply connector P805 and P804 Retain the cables to reuse New cables are not provided 14 Remove the eight 8 mounting screws from the Power Supply board and remove the board from the panel Remove secondary power supply at the same time 15 Place the power Supply module aside after removal...

Page 76: ...nel has been determined to be defective and replacement is necessary Upon receiving the replacement panel it it must be inspected to ensure that it has arrive in good condition The following items should be observed to ensure that no shopping damage has occurred 1 Check the outer carton for damage and report it upon receipt of the replacement panel 2 Confirm the part number on the carton label is ...

Page 77: ...ing the screw holes and causing further delays 6 Re install the Power Supply boards on the replacement panel Install the sixteen 16 mounting screws to secure the board to the panel backing 7 Re connect the cables from the power supply connectors P804 and P805 to the Y Sustain board connector P3 8 Locate the Digital board cable that was removed from the connector CN1300 on the Digital VSC board and...

Page 78: ...ly power to the unit and turn it on If the unit does not operate correctly check all connections and look for loose wires that may have been missed or that have become disconnected during the reassembly process 2 Allow the unit to run for 5 minutes This is to allow the set to achieve operating temperature before checking the Vs and Va run voltages This step should be completed before making adjust...

Page 79: ... displays the normal media menu for displaying photos or playing music from the card Supported memory cards CHECK HARDWARE VERSION Before updating the firmware check the hadware version to be sure it will support the firmware you wish to install If there are any hardware requirements the documentation with the firmware will list them To open the diagnostics screen highlight the Cable icon in the u...

Page 80: ... LG Customer Service The firmware file will have the file extension epk Only copy the firmware update for your model TV 2 Turn the TV on and insert the memory card into the TV If the firmware on the card is newer than the firmware in the TV the following will be shown 4 The TV will show the following messages when the firmware update is complete 5 Press ENTER After restarting the TV is ready to us...

Page 81: ... 5 When the update is complete press ENTER to restart the TV After restarting the TV is ready to use TV Software Upgrade For Experts Current TV Version Information Main Software 02 06 01 04 01 05 File System 07 01 EDBMS 01 0c The following software files are found in the memory card Select the file you want to download to this TV Or Press EXIT to cancel the upgrade APP 02 04 01 FS VER 07 01 DB VER...

Page 82: ...ll modem cable between laptop computer and TV sets using serial port 8 Execute TeraTerm software in you laptop computer 9 Serial Port on TeraTerm Go to Setup 10 Set the port number of your Laptop Usually 1 or 2 Baud rate 115200 Data 8 bit Parity none Stop 1bit Flow control none Transmit delay 0 msec char 0msec line and click OK If you don t have any serial port on your laptop you need a USB to ser...

Page 83: ...ng with TV 9 Type the model This has to be the factory model 10 Hit d on your laptop keyboard and hit enter key on your laptop keyboard 11 Hit f0 F and Zero on your laptop keyboard and hit enter key on your laptop keyboard NOTE Read the items in the menu They may differ by model and production series thus f0 is correct for some models but not others Just keep in mind you are using a serial port an...

Page 84: ...S MDS Click Press power on the service remote before you start the MDS program 2 Click on OK 3 Item 1 below Select Correct Model 4 Item 2 below Open Browse Select source file ROM is usually the only file needed to upgrade the software 5 Item 3 below click this box to select this comunication port ...

Page 85: ...SOFTWARE UPDATES Plasma Training 85 Software Updates ...

Page 86: ... 4 Left click on Device Manager Check the Availability of Serial Port under Ports as Communications Port COM1 as shown in the figure 1 After downloading the program from GCSC Install 42PM1M 42PM3MV GProbe5 1 0 18 exe 2 Run the EXE file and the install process will begin and an icon will be placed on your desktop 3 GProbe5 can be use by double clicking on the icon as shown in the figure Opening GPr...

Page 87: ...SOFTWARE UPDATES Plasma Training 87 Software Updates Select the GProbe connection by clicking the icon as below Gprobe Connection Setup ...

Page 88: ... Software Updates Left click on the Connection Settings icon and check the settings tab for Port under Connection Tab as shown in figure Click the Serial tab for checking other configurations as shown in figure Port COM1 Baud Rate 115200 ...

Page 89: ...up to programs move the curser to the right and scrol till you see LGIDS to the right you will see When you right click on this icon scroll up to Send To and left click on the Desktop create shortcut You will now have a link on your desktop to the LGIDS software When you open this program you will see Now select the new configurations Model In this case it is Hurricane as shown in the figure ...

Page 90: ...to the T V Sets for more than 5 seconds and again Switch On the Main Power Supply TV is in Standby mode D C Power Off Press Power Key from SVC Remocon to turn the TV on Press ADJ Key from SVC Remocon for Software Version Check 42PM1M_UC_Ver3 06 42PM3MV_UC_Ver3 04 Now Press IN STOP key on the SCV Remocon to complete the Job Clock here to locate the batch file you want to load into the unit STATION ...

Page 91: ...t the cable to the front keyboard assy Lift the lower end of VSC Tuner PCB assembly up after disconnecting P100 from the tuner PCB and the speaker P204 from the tuner PCB Route the cable from the jig to the control PCB under the mount support and connect it to P101 found in the upper left by the power connector on the control PCB Connect the other end to the EPP port on the jig with the jig OFF Ke...

Page 92: ... support Selecting the correct file Connect the cable from the jig here on the control PCB This ID will be found on a label on the Control PCB Be sure the panel model you select on the jig matches the label on the control board Verify that the version you have in the jig is a later version than what is on the label EX 05B would be later than 05A or 04X ...

Page 93: ...ly the number will be shown in the upper left Quickly use the up down keys to scroll to the file in location number 1 The file will load after a few seconds The file name 42X2DN05B appears in the screen on the jig NOTE To use any key on the jig you must hold the key down for at least 3 seconds Apply AC power to the jig with the switch on the jig OFF and apply AC to the TV Only one LED will be lit ...

Page 94: ...e AUTO button for 3 seconds and release the AUTO button Within a few seconds the display will indicate ERASING and the LED will be flashing green The display will next display WRITING and the LED will be blinking The display will then display VERIFYING and the LED will be blinking If the update was successful the display will indicate OK and the LED will be on What will be seen during the update ...

Page 95: ...after Verify is completed Switch the TV OFF and remove AC power Switch the jig OFF and remove AC power Remove the cable from the jig to the control PCB from P101 on the PCB Reconnect P151 Y SUS P151 Z SUS P100 and P204 on the tuner PCB make sure AC cables are firmly connected to the AC switch and SMPS connectors are seated and all cables are in their retainers Remount Digital Tuner PCB mount assem...

Page 96: ... module It provides authorization CA Conditional Access decryption and CP Copy Protection encryption functions for the consumer s DCR TV TV Station Network Cable Headend Plant Satellite Dish Antenna Fiber Node House House Node Using Cable line bi directional communication is possible TV Station Network Cable Headend Plant Satellite Dish Antenna Fiber Node House House Node Using Cable line bi direc...

Page 97: ...er CA Conditional Access CP Copy Protection OOB Out Of Band RDC Reverse Data Channel OOB Out of Band FDC Forward Data Channel FAT Forward Application Transport PSI Program Service Information SI Service Information Clear channel Any channel that is not scrambled or encripted Thus the customer will be able to recieve these channels with only basic cable service Scrambled Encripted Channels Channels...

Page 98: ...r card can get the data needed to receive a channel list and an authorization list the CP and decrypt data As a result the unit will not be allowed to tune premium channels HOST CABLECARD INTERFACE The data communication to and from the Cablecard and unit is encrypted The Host Unit and POD Cablecard share a buffer so that the data from the headend is never lost Some of the buffer is in the POD and...

Page 99: ...D channels thru the cable system In LG units there are two ways the channels are displayed as 2 part channels EX 107 1 and as single part channels EX 107 With the Cablecard inserted the CADTV map will show only single part channels Without the card installed the CADTV map will show two part channels Due to this it will be in the ASC s best intrest to have a constantly updated channel lineup showin...

Page 100: ...n process is needed Serial number and CableCARD ID are needed During this process CableCARD reset may occur After this process is finished successfully user can navigate cable channel map can watch CA Encrypted services to which the user subscribes In order to activate additional CP services called high value service a Validation process is needed Host CableCARD ID is needed HeadEnd sends Validati...

Page 101: ... check status of various CableCARD functions The lists of this menu vary depending on the CableCARD manufacturer MMI Example SA CableCARD case CableCARD uses MMI Man Machine Interface function to communicate with the user CableCARD displays various user notification information through MMI window Host CableCARD ID information ...

Page 102: ... showing that tuning was successful that tune frequency is 104 200 and that EMM provider ID is 1 Motorola CableCard Menu CableCARD Manufacturer ID Motorola is set by 0x00 CableCARD firmware version CableCARD unit address looks like CableCard s serial number but not sure Motorola CableCARD Code downlaod Once initiated segments left to download value increases State indicatds what the current state ...

Page 103: ...t Validation CP validation status The number shows validation trial counting which is not related with channel CP key If CCI is non zero it becomes enabled which means CP scrambler is functioning CCI CCI information from current channel If CCI is zero CP is not functioning The line item is channel specific It is indicating that the channel presently tuned by the hosts tuner is a subscribed channel...

Page 104: ...contact the manufacturer or the retailer MMI message will be displayed CableCARD Reset Whenever the DCR TV or CableCARD think the other device is in an abnormal state a CableCARD reset will recover the Host CableCARD interface 161 xx technical problem case There are normal states when the Host CableCARD interface needs to reboot by way of a CableCARD reset CableCARD firmware upgrade case HeadEnd A...

Page 105: ...tate CableCARD Firmware Upgrade shouldn t be interrupted by other operations During this operation a CableCARD Firmware Upgrade reporting message is being displayed and all remote control keys will be disabled temporarily Only SA uses CableCARD Firmware Upgrade protocol and SA uses in band tuner for this operation Motorola uses their unique technique for the CableCARD firmware Upgrade and uses OOB...

Page 106: ...est within 5 seconds CableCARD 11 LGE DTV does not respond to CableCARD request to open resource manager session within 5 seconds LGE DTV No Error Condition Failure Mechanism 12 LGE DTV response to open resource manager session response resource manager non existent LGE DTV 13 LGE DTV response to open resource manager session response resource manager unavailable LGE DTV 14 LGE DTV response to ope...

Page 107: ...V 35 CableCARD response to conditional access resource session incorrect version of conditional access LGE DTV 36 CableCARD response to conditional access resource session conditional access busy LGE DTV 37 CableCARD response to conditional access resource session invalid status byte LGE DTV 38 CableCARD fails to respond to ca_info_inq within 5 seconds CableCARD 39 CableCARD module requests to ope...

Page 108: ...ession APDU from LGE DTV LGE DTV 55 Invalid session APDU from Cable CARD CableCARD 56 Invalid SPDU tag from LGE DTV LGE DTV 57 Invalid SPDU tag from CableCARD CableCARD 58 Invalid APDU tag from LGE DTV LGE DTV 59 Invalid APDU tag from Cable CARD CableCARD 60 Transport ID from Host that has not been created and confirmed by POD LGE DTV 61 Transport ID from Cable CARD that has not been created by LG...

Page 109: ...fective CableCard must not be all zeros Check Pairing Menu Cable CableCard Pairing 1 Re insert card 2 Try another card Defective card slot Screen displays CableCARD Inserted Plug in CableCARDTM Else Problem Good Result Operation FDC Carrier Locked FDC Center Freq 75 25 MHz or between 70 and 130 MHz Weak distorted signal FDC Status FDC_SNR 10 dB Check OOB Function Menu 000 No OOB data signal OOB Ms...

Page 110: ...trol S R C 3 Go to number 2 Cable Check and press the Right key 4 Confirm items below NAME NORMAL DEFECTIVE Descrambler Check OK Not OK CableCARD CableCARD is removed CableCARD is inserted OOB Path Locked OK Unlocked Not OK FDC_SNR 20bd or more OK Under 20db Not OK Video Signal Normal Screen Black Screen CableCheck 1 Descrambler Check OK 2 CableCARD CableCARD is inserted 3 OOB Path OK Lock 4 FDC_S...

Page 111: ...o await coming out of the User Interface screen again If this is still unsuccessful try another CableCARD a To eliminate the possibility of a damaged CableCARD or DCR device the technician should look closely at the CableCARD device to ensure that none of the pinholes are blocked or clogged b Check Host Interface Using a flashlight the technician should check the CableCARD slot on the DCR TV to en...

Page 112: ...is still having a problem the installer should report the problem to the MSO headend dispatcher for troubleshooting If the cable company dispatcher headend personnel has completely checked their channel set up confirmed the accounting billing system to setup is correct and has confimed normal channel map with one or more other DCR TVs at the MSO headend then go on to the next step 9 If the install...

Page 113: ...ming can be displayed Note that it may take several minutes from the time dispatch sends the authorization before it reaches the DCR device The MMI screens should be checked to verify if the authorization has been received For SA systems the host pod pairing screen should say Authorization Received For Motorola the Conditional Access MMl State parameter should say Subscribed These should be verifi...

Page 114: ...ould always display Ready Cablecard indicates if the cablecard is inserted If the Cablecard is inserted and the unit does not indicate that it is There could be an issue with the Cablecard itself or with the programing in the card Once this has been eliminated as the cause The card slot or Digital PCB could be the cause FAT Status tells the frequency of the presently tuned channel as well as the m...

Page 115: ...e looking for 104 20Mhz What we find is the signal is shifted slightly This indicates the signal is not centered on 104 20Mhz The OOB tuner is told to look for the data on 104 20Mhz but the data is actualy on 104 25Mhz This is enough shift to prevent the card from receiving the data it needs from the headend This signal is not allowed this much variation ...

Page 116: ...nality to support multiple program decryption from multiple transport streams is added One application for the M CARD could be a Host device with multiple tuners and QAM demodulators While analog television channels may be tuned only digital television channels will be passed through the Card for descrambling of authorized conditional access channels and passed back to the Host The Card will not o...

Page 117: ...of EIA 679 led to the adoption of EIA 679 B in 2000 The EIA 679 stan dard was developed substantially by the EIA NCTA Joint Engineering Committee JEC National Renewable Security Standard NRSS Subcommittee and was a joint work of NCTA and CEMA Technology Standards The M Mode specification has its origin in ANSI SCTE 28 where the original version of the Card provided only enough bandwidth for a S Mo...

Page 118: ...t across the data channel to inform the Host device of the level of copy protection required CCI is sent in the clear to the Host device Encryption of Copy Protected Content All copy protected content will arrive at the Host device as a data stream encrypted by the service providers CA System This CA encrypted stream passes from the Host to the CableCARD device while still protected by the CA Syst...

Page 119: ...ossible 2 Open a session to the Host s MMI resource and MMI dialog if not already open 3 Display a message to the subscriber similar to that shown below in Figure 2 Example CP System Failure Notification message There was a technical problem during the authorization process This product may have some component failure or may not be designedto be fully compatable with digital cable television servi...

Page 120: ...4 Line Split Burst On MCARD Diagnostic Screens Overview Introduction This chapter includes the diagnostic screens specific to the CableCARD module including the fields and parameters that are included within these screens These screens accumulate data that describe the current state of the CableCARD module as well as copy protection Digital Audio Visual Council DAVIC and DSG related information Ac...

Page 121: ...upported by the CableCARD Note This field is a Pow erTV parameter Ready desired value Pow erKEY launched successfully Not Ready No CA Strm CA stream is not available Not Ready No Time GBAM CA stream is available but w aiting for Time GBAMs Not Staged CableCARD is not provisioned in the headend N A Initialization or an internal problem w hile attempting to receive the status Internal Secure Micro S...

Page 122: ... A list of active programs Note For SCARDs only one row of information exists For MCARDs active program lists are dependent upon the capability of the host to support multiple the host to support multiple LTSID local transport stream ID assigned by the Host Any integer 0 N A CableCARD is an SCARD Prg No Any integer 1 w hich is the program number running on a particular stream identified in the LTS...

Page 123: ...ce certificate ID Host dependent Host Type Indicates if the host is capable of tw o w ay or only one w ay communication Two way indicates that the host is capable of dow nstream and upstream communications betw een the headend and DHCTs One way indicates that the host is capable only of dow nstream communication from the headend to DHCTs Introduction This section provides an overview of the SA Cab...

Page 124: ... A no request received Introduction This section provides an overview of the SA CableCARD DAVIC Info screen including the fields and parameters that are included in the screen This screen provides information that identifies data in relation to the DAVIC network interface Performing Tasks By accessing this screen you can perform the following tasks Determine if the host device is capable of one or...

Page 125: ... QPSK forw ard path 0 0xFFFFFFFF RS Uncorr Err Number of Reed Solomon uncorrectable errors for forw ard QPSK forw ard path Note Uncorrected errors can result in packet loss 0 0xFFFFFFFF Status QPSK receive tuner lock status Locked desired value Not Locked Network Interface DAVID RDC Example Scientific Atlanta CableCARD tm Network Interface DAVIC RDC Frequency N A Data Rate N A Power Level N A Rang...

Page 126: ... betw een the QPSK modem and the DHCT performed during DAVIC sign on that achieves the RDC reverse data channel pow er level 0 0xFFFFFFFF RDC SA Number of SA packets transmitted 0 0xFFFFFFFF RDC SA Number of SA packets transmitted 0 0xFFFFFFFF RDC RESV The number of reserved slot transmission packets transmitted on the RDC 0 0xFFFFFFFF RDC TDMA The number TDMA time division multiple access packets...

Page 127: ...eam that is identified by the LTSID Any integer 0 0 LTSID not used CCI byte The level of copy protection passed from the CableCARD device to the host 0x00 Copy Freely 0x01 No More Copies 0x02 Copy One Time 0x03 Copy Never ECM count The number of entitlement control messages ECMs received by the CableCARD module Any integer 0 Note This value w ill increment w hen ECMs are received EMM count The num...

Page 128: ...H W Model The hardw are model number associated w ith CableCARD module 600 for SCARDs 800 for MCARDs MAC addr The RF netw ork adapter MAC address that is used by the DNCS CableCARD dependent Mode The operations mode of CableCARD SMODE indicates a single stream capable mode SCARD or MCARD can function in SMODE MMODE indicates a multistream capable CableCARD MCARD are only capable of functioning in ...

Page 129: ... way the CableCARD is operating in Basic DSG onew ay mode only receives data dow nstream from the netw ork to the DHCT w ith no return path upstream to the netw ork Advanced the CableCARD is operating in Advanced DSG mode Advanced One Way the CableCARD is operating Advanced DSG one w ay mode N A the operation of the CableCARD is unknow n to the netw ork SA DOOBIE MAC addr The DOOBIEMAC address w e...

Page 130: ...s the second company to sign with the DCAS This will allow the cable system to safely access the host and make changes to the access or systems This is a downloadable security for conditional access verses the cablecard or box Downloadable security is also less expensive than the present system is It will also allow equipment to operate on any cable system In some early testing Motorola equipment ...

Page 131: ...cate Revocation List the means of reporting bad Host_IDs to cable headends DCAS Dow nloadable Conditional Access System DES Data Encryption Standar DES ECB Data Encryption Standard Electronic Code Book DFAST Dynamic Feedback Arrangement Scrambling Technique a component of the encryption algorithm DH Diffie Hellman a public key agreement protocol based on the intractability of taking discrete aloga...

Page 132: ...device or Host back to the headend Rescramble The CableCARD mode of CA descrambling and CP scrambling content RSA algorithm An RSA Security defined commercial public key cryptographic algorithm S CARD Single Stream CableCARD The PHI specified in SCTE 28 2003 and SCTE 41 2003 Devices compliant w ith this specification w ill be capable of operating in backw ard compatible singlestream mode compliant...

Page 133: ...unction DVR mode is possible for only RF Composite and 1394 signal Invalid input signal for DVR function Recorded program A V file error Cannot play recorded program DVR mode is possible for only RF Composite and 1394 signal Cannot enter DVR Mode in current input source HDD error recovery program has started Buffering stopped Recovering from HDD error HDD is full Not enough HDD space HDD connectio...

Page 134: ...tart No recording space Signal strength is too weak to start recording Timer recording cannot start due to bad signal HDD problem Bad sector or bad connection or other Timer recording cannot start due to HDD error Note Message HDD RELATED ERRORS CONTINUED TIMER RECORDING Note Message timer record failed programs in Gemstar PlayList Temperature is too low Timer record failed Temperature is below ze...

Page 135: ...ing because of HDD problem HDD problem Bad sector or bad connection or other HDD playback stops because of HDD problem Cannot find A V file Cannot play recorded program due to file error copy protected Video Cannot play Recorded Program due to copy protection HDD bad sector Cannot play Recorded Program due to bad sector Cannot find A V file Select YES to delete the program Cannot play recorded pro...

Page 136: ...h is less than 10 seconds Maximum number of recorded program is 500 User must delete recorded program to start record Reached maximum number of recordings Watching digital channel while recording another digital channel is not possible Cannot change to another digital channel while recording digital channel HDD error recovery program starts Recording halts HDD recovery will begin Record is possibl...

Page 137: ...r Format photo list Bad sector occurred in critical regions of photo drive Do you want to format photo drive Note Message DVR initialization cannot start DVR initialization cannot start because of low temperature HDD error recovery program starts HDD recovery begins HDD error Yes will start format Do you want to format HDD Unknown HDD detection error HDD format has failed Please contact service ce...

Page 138: ... Copyright 2006 LG ElectronicsAlabama Inc Printed in the USA ...

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