bl2.xu_aa - Turuta Electronics World
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1. AA es F_15400_101 eps 230606 Semi Stand by Figure 5 10 POD Stand by to Semi Stand by flowchart Service Modes Error Codes and Fault Finding ERIN PRT Ea EN 31 action holder MIPS action holder St by autonomous action Log the appropriate error and set stand by flag in NVM Redefine wake up reasons for protection state and transfer to stand by uP Switch off LCD lamp supply for LCD sets If needed to speed up this transition Wait 250ms min 200ms this block could be omitted This is depending on the outcome of the safety investigations Switch off LVDS signal Switch off 12V LCD supply within a time frame of min 0 5ms to max 50ms after LVDS switch off for LCD sets Ask stand by uP to enter protection state Switch Viper in reset state k Wait 10ms l Switch the NVM reset line high i Disable all supply related protections and switch off the 2V5 3V3 DC DC converter i Wait 5ms Switch off the remaining DC DC converters j Switch off all supplies by switching high the pop MODE and the ON MODE O lines l Flash LED in order to indicate protection state Protection Only applicable for sets with CableCcARD slot POD 020206 Figure 5 11 Protection flowchart EN32 5 PRM ele elem2. Protection Error blinking 7 8V6 supply P Stby P n a Protection Error blinking 8 1 2V DC DC P Stby pP n a Protection Error blinking 11 3 3V DC DC P Stby P n a Protection Error blinking 12 12V supply P Stby uP n a Protection Error blinking 14 Supply Class D amplifiers P Stby pP Protection Error blinking 14 Supply Audio part SSB P Stby pP Protection Error blinking 17 MPIF1 audio supply E VIPER PNX3000 IF I O Error logged 18 MPIF1 ref freq E VIPER PNX3000 IF 1 0 Error logged 25 Supply fault P Stby uP Protection Error blinking 27 Phoenix E VIPER PNX2015B HD subsystem Error logged 28 MOP E VIPER XC3S Output processor Error logged 29 AVIP1 E VIPER PNX2015 AV input processor 1 Error logged 31 AVIP2 E VIPER PNX2015 AV input processor 2 Error logged 32 MPIF1 E VIPER PNX3000 Error logged 34 Tuner1 E VIPER Tuner 1 Error logged 37 Channel decoder E VIPER NXT2003 Error logged 39 POD Interface VIPER STV701 Error logged 43 Hi Rate Front End E VIPER TDA9975 HDMI Error logged 44 Main NVM E VIPER M24C64 Error logged 45 Columbus 1 E VIPER PNX2015 Comb filter Error logged 53 VIPER P Stby P PNX8550 Protection Error blinking 63 PDP Display n a P VIPER Display Protection 3 Hz blinking BER 5 eRe lee eMe Service Modes Error Codes and Fault Finding Extra Info Error 1 I7C bus 1 blocked When this error occurs the TV will go to protection and the front LED
3. gt HyperTerminal Use the following Figure 5 14 SPI service pads settings COMI Bits per second 38400 9600 Data bits 8 Parity none Stop bits 1 Flow control None 6 Press Shift U on your PC keyboard You should now see the following info PNX2015 Loader V1 0 19 09 2003 DEVID 0x05 Erasing MCSUM 0x0000 7 If you do not see the above info restart the above procedure and check your HyperTerminal settings and the connections between PC and TV 8 Via Transfer gt Send text file you can send the proper upgrade file to the TV e g hex This file will be distributed via the Service Organization 9 After successful programming you must see the following info this can take several minutes DCSUM 0xECB3 Ok MCSUM 0xECB3 Programming PCSUM 0xECB3 Finished 10 If you do not see this info restart the complete procedure 11 Close HyperTerminal 12 Disconnect and connect Mains AC Power again When having problems with upgrading use the values between brackets
4. F_15400_095 eps 020206 Figure 5 2 Transition diagram Service Modes Error Codes and Fault Finding EANA EE BE Standby E Protection enmare Mains is applied autonomous action Standby Supply starts running 5V2 1V2Stb 3V3Stb and 2V5D become present In case of PDP 3V3 Vpr to CPU PDP becomes present x st by pP resets 1 Switching the POD MODE and the on mode low in a8DI PDP set Switching tie POR MODE makes the PDP supplies go to the POA hah on mode Within 4 seconds a reise the eP O da nee Vals LVDS must be senttoire low in an FHPPDP set l display to prevent protection valid for V3 version except in an FHP PDP Cold Boot 5V 8V6 12VS 12VSW and Vsound are switched on Switching the PDPGO high will give a visual artefact and should only be done if really necessary No need to wait for the 8V6 detection at this point Y Y return F_15400_096a eps To part B To part B 230606 Only applicable for sets with CableCARD slot POD Figure 5 3 Off to Semi Stand by flowchart part 1 BEEJ EE E 2 2U 2 3 Service Modes Error Codes and Fault Finding From part A To part C Release viper reset Feed warm boot script 2 From part B detect 1V2 received within 250ms Yes Y Enable the supply for 2
5. when no video signal was received for 10 minutes Skip blank of non favorite pre sets Smart modes Auto store of personal presets Auto user menu time out How to Activate SDM Use one of the following methods e Use the standard RC transmitter and key in the code 062596 directly followed by the MENU button Note It is possible that together with the SDM the main menu will appear To switch it off push the MENU button again e Short for a moment the two solder pads 1 on the SSB with the indication SDM They are located outside the shielding Activation can be performed in all modes except when the set has a problem with the Stand by Processor See figure SDM service pads F_15400_103 eps 110505 Figure 5 1 SDM service pads After activating this mode SDM will appear in the upper right corner of the screen if you have picture How to Navigate When you press the MENU button on the RC transmitter the set will toggle between the SDM and the normal user menu with the SDM mode still active in the background How to Exit SDM Use one of the following methods e Switch the set to STAND BY via the RC transmitter e Via a standard customer RC transmitter key in 00 sequence Service Alignment Mode SAM Purpose e To perform software alignments e To change option settings e To easily identify the used software version e To view operat
6. 1 3122 785 90731 1 3122 785 90851 LC4 3 3122 785 90821 LC4 31 3122 785 90821 LC4 41 3122 785 90662 3122 785 90851 Only for 26 amp 32 sets LC4 8 3122 785 90662 1 3122 785 90851 LC4 9 3122 785 90662 1 3122 785 90851 MFD variant only LC7 x tb d JL2 1 3122 785 90861 Q52x x t b d Notes 1 Included in LVDS tool package 2 Pins 27 and 28 must be grounded or not connected 5 5 5 5 1 5 5 2 Service Modes Error Codes and Fault Finding E RIUaP PRT 5 DER Error Codes Introduction The error code buffer contains all detected errors since the last time the buffer was erased The buffer is written from left to right new errors are logged at the left side and all other errors shift one position to the right When an error has occurred the error is added to the list of 0000 00 00 00 No errors detected 06 00 00 00 00 Error code 6 is the last and only detected error 0906 00 00 00 Error code 6 was first detected and error code 9 is the last detected error e Via the blinking LED procedure when you have no picture See next paragraph e Via ComPair errors provided the list is not full or the error is a protection 5 5 3 How to Clear the Error Buffer error When an error occurs and the error buffer is full then the new Use one of the following methods error is not added a
7. Dolby Digital 1 1 Dolby Digital 1 0 Dolby Digital 2 0 Dolby Digital 2 1 Dolby Digital 2 2 Dolby Digital 3 0 Dolby Digital 3 1 Dolby Digital 3 2 Dolby Digital Dual Dolby Digital Dual II MPEG 1 1 MPEG 1 0 MPEG 2 0 This is the same info as you will see when pressing the INFO button in normal user mode item signal In case of ATSC receiving there will be no info displayed Tuned Bit Not applicable for US sets Preset Lock Indicates if the selected preset has a child lock LOCKED or UNLOCKED Change via MENU TV CHANNELS CHANNEL LOCK Lock After Indicates at what time the channel lock is set OFF or e g 18 45 lock time Change MENU TV CHANNELS LOCK AFTER TV Ratings Lock Indicates the TV ratings lock as set by the customer Change via MENU TV CHANNELS TV RATINGS LOCK Possible values are ALL NONE TV Y TV Y7 TV G TV PG TV 14 and TV MA Movie Ratings Lock Indicates the Movie ratings lock as set by the customer Change via MENU TV CHANNELS MOVIE RATINGS LOCK Possible values are ALL NR G PG PG 13 R NC 17 and X V Chip Tv Status Indicates the setting of the V chip as applied by the selected TV
8. FAULT line stays low even though the 3V3 and 1V2 is available The Stand by Processor is detecting that and switches all supply voltages off 1 Check the value of 2V5 and the drop voltage across resistor 3U22 they could be too high 2 Check if the 1V2 or 3V3 are higher than their normal values This can be due to defective DC feedback of the respective DC DC converter 3U18 or 3UA7 e Symptom 1V2 2V5 and 3V3 look okay except the ripple voltage is increased audible noise can come from the filtering coils 5U00 or 5U03 Cause Instability of the frequency and or duty cycle of one or both DC DC converters Check resistor 3U06 the decoupling capacitors the AC feedback circuits 2U20 2U21 3U14 3U15 for 1V2 or 2U19 2U85 3U12 3U13 for 3V3 the compensation capacitors 2U09 2U10 2U23 and 2U73 and IC 7U00 Note 1 If fuse 1U01 is broken this usually means a pair of defective power MOSFETs 7U01 or 7U03 Item 7U00 should be replaced as well in this case Note 2 The 12V switch and 8V6 switch see DC DC CONNECTIONS schematic are not present on board they are bypassed by jumpers Software Upgrading Introduction The set software and security keys are stored ina NAND Flash item 7P80 which is connected to the VIPER via the PCI bus It is possible for the user to upgrade the main software via the USB port This allows replacement of a software image in a standalone set without the nee
9. PICTURE DIGITAL PROCESSING TV System Gives information about the video system of the selected transmitter M NTSC M signal received ATSC ATSC signal received Center Mode Not applicable DNR Gives the selected DNR setting Dynamic Noise Reduction OFF MINIMUM MEDIUM or MAXIMUM Change via MENU TV PICTURE DNR Noise Figure Not valid in case of digital channel reception Gives the noise ratio for the selected transmitter This value can vary from 0 good signal to 127 average signal and to 255 bad signal For some software versions the noise figure will only be valid when Active Control is set to medium or maximum before activating CSM Source Indicates which source is used and the video audio signal quality of the selected source Example Tuner Video NICAM Source TUNER AV1 AV2 AV3 HDMI 1 SIDE Video signal quality VIDEO S VIDEO RGB 1FH YPBPR 1FH 480P YPBPR 1FH 576P YPBPR 1FH 10801 YPBPR 2FH 480P YPBPR 2FH 576P YPBPR 2FH 10801 RGB 2FH 480P RGB 2FH 576P or RGB 2FH 10801 Audio signal quality STEREO SPDIF 1 SPDIF 2 or SPDIF Audio System Gives information about the audible audio system Possible values are Stereo Mono Mono selected Analog In No Dig Audio
10. Power down HDMI and 1394 hardware by keeping POWERDOWN 1394 GPIO 0line high Set Viper HW blocks TM1 TM2 MBS VMSP1 and VMSP2 to powerdown mode Vv Hibernate the PNX2015 memory and keep the PNX2015 in reset state Disable 8V6 supply detection algorithm Disable audio protection algorithm y Switch off all supplies which are not needed in POD standby by switching high the ON MODE I O line POD Sta nd by F_15400_100 eps 260505 Figure 5 9 Semi Stand by to POD Stand by flowchart EE EAA Sevice Modes Error Codes and Fault Finding POD stand by ears action holder St by b d Switch on all supplies by switching low the ON MODE 1 0 line autonomous action Y Full SSB power and the display related supplies become available 8V6 detected within 2000ms after ON MODE toggle Yes y activate 8V6 supply detection algorithm No gt 8V6 error Vv Wait 2000ms to allow main supply to deliver full power Vv Enable audio protection algorithm These LVDS items are SDI V3 display only Power up HDMI and 1394 hardware by putting POWERDOWN 1394 GPIO Oline low Vv Enable Viper HW blocks TM1 TM2 MBS VMSP1 and VMSP2 which were in powerdown mode b d Release PNX2015 reset
11. Service Modes Error Codes and Fault Finding 5 4 5 4 1 Service Tools ComPair Introduction ComPair Computer Aided Repair is a Service tool for Philips Consumer Electronics products and offers the following 1 ComPair helps you to quickly get an understanding on how to repair the chassis in a short and effective way 2 ComPair allows very detailed diagnostics and is therefore capable of accurately indicating problem areas You do not have to know anything about I2C or UART commands yourself because ComPair takes care of this 3 ComPair speeds up the repair time since it can automatically communicate with the chassis when the uP is working and all repair information is directly available 4 ComPair features TV software upgrade possibilities Specifications ComPair consists of a Windows based fault finding program and an interface box between PC and the defective product The new ComPair II interface box is connected to the PC via an USB cable For the TV chassis the ComPair interface box and the TV communicate via a bi directional cable via the service connector s The ComPair fault finding program is able to determine the problem of the defective television by a combination of automatic diagnostics and an interactive question answer procedure How to Connect This is described in the chassis fault finding database in ComPair TOTV To UART SERVICE CONNECTOR 12C SERVICE oR CONNECTOR ComPair Il
12. Service Modes Error Codes and Fault Finding ERATURE TT Ea EN 37 5 9 3 Manual Start of the Main Software Upgrade Application Normally the software upgrading procedure will start automatically when a memory device with the correct software is inserted but in case this does not work it is possible to force the TV into the software upgrade application To do so e Disconnect the TV from the Mains AC Power e Press the OK button on a Philips DVD RC 6 remote control it is also possible to use the TV remote in DVD mode e Keep the OK button pressed while connecting the TV to the Mains AC Power e The software upgrade application will start e When a memory device with upgrade software is connected the upgrade process will start 5 9 4 Upgrade via PC and ComPair interface It will be possible to upgrade the Stand by software via a PC and the ComPair interface Check paragraph ComPair on how to connect the interface To upgrade the Stand by F 15400 To4epe software use the following steps 110505 1 Disconnect the TV from the Mains AC Power 2 Short circuit the SPI pins 2 on the SSB They are located outside the shielding see figure SPI service pads 3 Keep the SPI pins shorted while connecting the TV to the Mains AC Power 4 Release the short circuit after approx two seconds 5 Start up HyperTerminal can be found in every Windows application via Programs gt Accessories gt Communications
13. a valid LVDS output clock Switch on 12V LCD supply LCD Power on Start to apply valid interface signals to the module LVDS within a time frame of min 17 5ms to max 67 5ms after supply switch on In implementation use 25ms this makes it compatible with 37HD Sharp t 17 5ms is the supply switch on delay taken into account Wait 250ms min 200ms Switch off RGB blanking Switch on LCD lamp after valid stable video corresponding to the requested output is delivered by the Viper Switch Audio Reset and sound enable low and demute F_15570_011 eps 210605 Figure 5 6 Semi Stand by to Active flowchart Service Modes Error Codes and Fault Finding EIRIAN Ea EN 27 32 37 42 LCD LPL amp 32 LCD LPL scanning backlight action holder MIPS Active action holder St by autonomous action Mute all sound outputs l Switch reset audio and sound enable lines high y switch off LCD lamp S Mute all video outputs l Wait 250ms min 200ms S _ A Switch off LVDS signal Viper O PD LVDS Switch off 12V LCD supply within a time frame of min 0 5 ms to max 50ms after LVDS switch off Viper VO LCD_PWR_ON Semi Standby F_15570_012 eps 230606 Figure 5 7 Active to Semi Stand by flowchart BEJ 5 eRe lem Service Modes Error Codes and Fault Finding acti
14. blink code and not the actual cause e g a fault in the protection at 3 Hz Further diagnosis via service modes is not possible detection circuitry can also lead to a protection here see also paragraph Error Codes gt Error Buffer There are several mechanisms of error detection gt Extra Info e Via error bits in the status registers of ICs e Errors detected by VIPER that do not lead to e Via polling on I O pins going to the stand by processor protection In this case the error can be read out via e Via sensing of analogue values on the stand by processor ComPair via blinking LED method or in case you have e 6Via a not acknowledge of an 12C communication picture via SAM Take notice that some errors need more than 90 seconds How to Read the Error Buffer before they start blinking So in case of problems wait 2 minutes from start up onwards and then check if the front LED Use one of the following methods is blinking e Onscreen via the SAM only if you have a picture E g Table 5 3 Error code overview Error Description Error Prot Detected by Device Defective module Result 1 C1 P VIPER n a 12C1_blocked Protection 3 Hz blinking 2 i202 P VIPER n a 12C2_ blocked Protection 3 Hz blinking 3 1203 P Stby pP n a Protection Error blinking 4 1204 P VIPER n a 12 C4_blocked Protection 3 Hz blinking 5 VIPER does not boot P Stby P PNX8550 Protection Error blinking 6 5V supply P Stby P n a
15. never completed because of hardware peripheral problems NAND flash or software initialization problems Possible cause could be that there is no valid software loaded try to upgrade to the latest main software version The Blinking LED Procedure Introduction The blinking LED procedure can be split up into two situations Blinking LED procedure in case of a protection detected by the stand by processor In this case the error is automatically blinked This will be only one error namely the one that is causing the protection Therefore you do not have to do anything special just read out the blinks A long blink indicates the decimal digit a short blink indicates the units Blinking LED procedure in the on state Via this procedure you can make the contents of the error buffer visible via the front LED This is especially useful for fault finding when there is no picture When the blinking LED procedure is activated in the on state the front LED will show blink the contents of the error buffer Error codes gt 10 are shown as follows 1 OP O N 6 tan n long blinks where n 1 9 indicating decimal digit A pause of 1 5 s n short blinks where n 1 9 A pause of approx 3 s When all the error codes are displayed the sequence finishes with a LED blink of 3 s The sequence starts again Example Error 129600 After activation of the SDM the front LED will sh
16. switched on off 0 5 hours is added to this number e Errors Followed by maximal 10 errors The most recent error is displayed at the upper left for an error explanation see paragraph Error Codes e Defective Module Here the module that generates the error is displayed If there are multiple errors in the buffer which are not all generated by a single module there is probably another defect It will then display the message UNKNOWN here e Reset Error Buffer When you press cursor right and then the OK button the error buffer is reset e Alignments This will activate the ALIGNMENTS sub menu e Dealer Options Extra features for the dealers e Options Extra features for Service e initialize NVM When an NVM was corrupted or replaced in the former EMG based chassis the microprocessor replaces the content with default data to assure that the set can operate However all preferences and alignment values are gone now and option numbers are not correct Therefore this was a very drastic way In this chassis the procedure is implemented in another way The moment the processor recognizes a corrupted NVM the initialize NVM line will be highlighted Now you can do two things dependent of the service instructions at that moment Save the content of the NVM via ComPair for development analysis before initializing This will give the Service department an extra possibility for diagn
17. will blink at 3 Hz Now you can partially restart the TV via the SDM shortcut pins on the SSB Depending on the software version it is possible that no further diagnose error code read out is possible With the knowledge that only errors 1 2 4 and 63 result in a 3 Hz blinking LED the range of possible defects is limited Error 2 I C bus 2 blocked When this error occurs the TV will go to protection and the front LED will blink at 3 Hz Now you can partially restart the TV via the SDM shortcut pins on the SSB Due to hardware restriction I2C bus 2 is the fast 1 C bus it will be impossible to start up the VIPER and therefore it is also impossible to read out the error codes via ComPair or via the blinking LED method With the knowledge that only errors 1 2 4 and 63 result in a 3 Hz blinking LED the range of possible defects is limited When you have restarted the TV via the SDM shortcut pins and then pressed CH on your remote control the TV will go to protection again and the front LED blink at 3 Hz again This could be an indication that the problem is related to error 2 Error 3 I C bus 3 blocked There are only three devices on I C bus 3 VIPER Stand by Processor and NVM The Stand by Processor is the detection device of this error so this error will only occur if the VIPER or the NVM is blocking the bus This error will also be logged when the NVM gives no acknowledge on the IC bus see error 44 Note that if the 12
18. 4 seconds preheating timer in case of a LPL scanning backlight LCD set AVIP needs to be started before the MPIF in order to have a good clock distribution AVIP default power up mode is Standby The Viper instructs AVIP via PC to enable all the PLLs and clocks and hence enter to Full Power mode Initialize PNX2015 HD subsystem MPIFs should be initialized MPIF should deliver 4 observers normal operation 8 supply is present audio supply is present reference frequency is present coming from AVIP Mofo appropriate Observer error All observers present with correct state Initialize tuners and HDMI Initialize source selection Initialize video processing ICs Spider if available Initialize Columbus Initialize 3D Combfilter Initialize AutoTV Do not enter semi standby state in case of an LPL scanning backlight LCD set before 4 s preheating timer has elapsed Semi Stand by F_15400_096c eps Only applicable for sets with CableCARD slot POD 020206 Figure 5 5 Off to Semi Stand by flowchart part 3 EN 26 5 eRe lem Service Modes Error Codes and Fault Finding 32 37 42 LCD LPL action holder St by me Semi Standby Wait until previous on state is left more than 2 seconds ago to prevent LCD display problems Assert RGB video blanking and audio mute Initialize audio and video processing ICs and functions according needed use case Wait until QVCP generates
19. 5 1 5 2 5 2 1 Service Modes Error Codes and Fault Finding ERR PRT Ea EN 19 Service Modes Error Codes and Fault Finding Index of this chapter 5 1 Test Points 5 2 Service Modes 5 3 Stepwise Start up 5 4 Service Tools 5 5 Error Codes 5 6 The Blinking LED Procedure 5 7 Protections 5 8 Fault Finding and Repair Tips 5 9 Software Upgrading Test Points The chassis is equipped with test points Fxxx printed on the circuit board assemblies As most signals are digital it will be almost impossible to measure waveforms with a standard oscilloscope Therefore waveforms are not given in this manual Several key ICs are capable of generating test patterns which can be controlled via ComPair In this way it is possible to determine which part is defective Perform measurements under the following conditions e Service Default Mode e Video Color bar signal e Audio 3 kHz left 1 kHz right Service Modes Service Default Mode SDM and Service Alignment Mode SAM offer several features for the service technician while the Customer Service Mode CSM is used for communication between a Customer Helpdesk and a customer There is also the option of using ComPair a hardware interface between a computer see requirements below and the TV chassis It offers the ability of structured troubleshooting test pattern generation error code reading software version readout and software upgrading Minimum requiremen
20. 5V and 3 3V ENABLE 3V3 Y Start polling the detect 3V3 every 40ms detect 3V3 received within 250 ms Yes SUPPLY FAULT V O line is High Yes Enable the supply fault detection interrupt Set PC slave address of Standby uP to AOh Detect EJTAG debug probe pulling pin of the probe interface to ground by inserting EJTAG probe EJTAG probe action holder MIPS action holder St by autonomous action 1 2V error GP No separate enable and detect is present for the 2V5 supply in the Baby Jaguar 3 3V error GP Supply fault error GP connected Coldboot Yes Release viper ri Feed cold boot sci Yes Release viper reset Feed initializing boot script 3 disable alive mechanism Release PNX2015 reset 100ms after Viper reset is released Release PNX2015 reset 100ms after Viper reset is released Bootscript ready No No v Code 5 y Switch Viper in reset je Code 53 No v To part C in 1250 ms Yes Set PC slave address of Standby yP to 64h RPC start comm protocol Flash to RAM image transfer succeeded within 30s Yes Viper SW initialization succeeded within 20
21. LED of the TV will blink error 7 8V6 error In case of LCD supplies the 12V supply will drop This will be detected by the stand by processor which will start blinking the 12 V error error 12 Repair Tips e If there is an audio DC protection DC voltage on your speakers you will probably see error 12 blink in case of LCD TVs and error 7 for TVs with SDI displays To be sure there is an audio DC protection disconnect the cable between the SSB and the Audio PWB and also the cable between the Main Supply and the Audio PWB If the TV starts up it is very likely that there is DC voltage on the speakers Check and replace if necessary the audio amplifiers e Itis also possible that you have an audio DC protection because of an interruption in one or both speakers the DC voltage that is still on the circuit cannot disappear through the speakers 5 8 5 8 1 5 8 2 5 8 3 5 8 4 Fault Finding and Repair Tips Read also paragraph Error Codes Extra Info Exit Factory Mode When an F is displayed in the screen s right corner this means that the set is in Factory mode and it normally happens after a new SSB has been mounted To exit this mode push the VOLUME minus button on the TV s keyboard control for 5 seconds and restart the set MPIF Important things to make the MPIF work e Supply e Clock signal from the AVIP e C from the VIPER AVIP Important things to make the AVIP work e Supplie
22. V supply is missing connector 1M46 on the SSB the DC DC supply on the SSB will not work Therefore the VIPER will not get supplies and could block C bus 3 So a missing 12 V can also lead to an error 3 Error 4 I C bus 4 blocked Same remark as with error 1 Error 5 Viper does not boot This error will point to a severe hardware problem around the VIPER supplies not OK VIPER completely dead 12C link between VIPER and Stand by Processor broken etc Error 7 8 6 V error Except a physical problem with the 8 6 V itself itis also possible that there is something wrong with the Audio DC Protection see paragraph Hardware Protections for this Error 12 12 V error Except a physical problem with the 12 V itself it is also possible that there is something wrong with the Audio DC Protection see paragraph Hardware Protections for this Error 14 Audio supply This error combines two fault conditions First detection is done on the on board audio supplies SSB The current through resistor 3A95 schematic B3E is measured An over current will lead to protection and error 14 blinking The second detection is done on the audio board itself Here the absence of one of the audio supplies is sensed and will also lead to protection and error 14 blinked For LCD sets this circuit can be found on schematic SA3 for PDP sets this can be found on schematic C Error 17 MPIF audio supply This error indic
23. a protection state detected via the Stand by Processor and thus blinking an error and SDM is activated via shortcutting the pins on the SSB the TV starts up until it reaches the situation just before protection So this is a kind of automatic stepwise start up In combination with the start up diagrams below you can see which supplies are present at a certain moment Important to know here is that if e g the 3V3 detection fails and thus error 11 is blinking and the TV is restarted via SDM the Stand by Processor will enable the 3V3 but will not go to protection now The TV will stay in this situation until it is reset Mains AC Power supply interrupted The abbreviations SP and MP in the figures stand for e SP protection or error detected by the Stand by Processor e MP protection or error detected by the VIPER Main Processor Off Mains off Mains on a Off St by Am No data Acquisition eae XS and no POD present St by requested A Tact SW pushed Ne 7 Tact SW pushed WakeUp requested Acquisition needed No data Acquisition required and POD present POD Card remove Tact SW pushed WakeUp requested GoToProtection POD Stand by e pam GoToProtection sa On Only applicable for sets with CableCARD slot POD SR el requesi s el aS aa Stand by Semi Active Si Protection
24. ates that the 8V AUD is missing on pin 98 of the MPIF The result of this missing supply will be that there is no sound on external sources you will have sound from tuner Error 29 AVIP1 This error will probably generate extra errors You will probably also see errors 32 MPIF and error 31 AVIP 2 Error 29 and 31 will always be logged together due to the fact that both AVIPs are inside the PNX2015 and are on the same C bus In this case start looking for the cause around AVIP part of PNX2015 Error 31 AVIP2 See info on error 29 Error 34 Tuner 1 When this error is logged it is not sure that there is something wrong with the tuner itself It is also possible that there is something wrong with the communication between channel decoder and tuner See schematic B2B 5 6 5 6 1 5 6 2 Error 37 Channel decoder This error will always log error 34 tuner extra This is due to the fact that the tuner I C bus is coming from the channel decoder Error 44 NVM This error will never occur because it is masked by error 3 I C bus 3 The detection mechanism for error 3 checks on an I C acknowledge of the NVM If NVM gives no acknowledge the stand by software assumes that the bus is blocked the TV goes to protection and error 3 will be blinking Error 53 This error will indicate that the VIPER has started to function by reading his boot script if this would have failed error 5 would blink but initialization was
25. channel Same values can be shown as for TV RATINGS LOCK V Chip Movie Status Indicates the setting of the V chip as applied by the selected TV channel Same values can be shown as for MOVIE RATINGS LOCK Options 1 Gives the option codes of option group 1 as set in SAM Service Alignment Mode Options 2 Gives the option codes of option group 2 as set in SAM Service Alignment Mode AVL Indicates the last status of AVL Automatic Volume Level ON or OFF Change via MENU TV SOUND AVL AVL can not be set in case of digital audio reception e g Dolby Digital or AC3 Delta Volume Indicates the last status of the delta volume for the selected preset as set by the customer from 12 to 12 Change via MENU TV SOUND DELTA VOLUME HDMI key validity Indicates the key s validity IEEE key validity Indicates the key s validity n a POD key validity Indicates the key s validity EN 22 5 PROM Service Modes Error Codes and Fault Finding 5 3 e Digital Signal Quality Indicates quality of the received digital signal O low How to Exit CSM Press any key on the RC transmitter with exception of the CHANNEL VOLUME MUTE and digit 0 9 keys Stepwise Start up The stepwise start up method as known from FTL FTP sets is not valid any more The situation for this chassis is as follows when the TV is in
26. d of an E JTAG debugger A description on how to upgrade the main software can be found in chapter 3 Directions For Use Important When the NAND Flash must be replaced a new SSB must be ordered due to the presence of the security keys See table SSB service kits for the order codes Perform the following actions after SSB replacement 1 Set the correct option codes see sticker inside the TV 2 Update the TV software see chapter 3 for instructions 3 Perform the alignments as described in chapter 8 4 Check in CSM menu 5 if the HDMI and POD keys are valid 5 9 2 Table 5 4 SSB service kits for BL and BP chassis Model Number New SSB order code 42PF9830A 37 3104 328 42601 50PF9630A 37 3104 328 42611 42PF9630A 37 32PF9630A 37 3104 328 42621 50PF7320A 37 3104 328 42631 42PF7320A 37 37PF7320A 37 3104 328 42641 32PF7320A 37 3104 328 42651 50PF9830A 37 3104 328 42661 42PF9730A 37 3104 328 42671 Main Software Upgrade The software image resides in the NAND Flash and is formatted in the following way Partition 1 Trimedia2 image Trimedia1 image MIPS image USB CUSTOMER Partition 0 USB SERVICE USB Download Application UBTM boot block gt EJTAG E_14700_082 eps 120505 Figure 5 13 NAND Flash format Executables are stored as files in a file system The boot loader uBTM will load the USB Download Application in partition O USB drivers bootscrip
27. ge is available in standby mode via a low power linear stabilizer that can deliver up to 30 mA In normal operation mode the value of this supply voltage will be close to 2V5 20 30 mV difference e The supply voltages 5V and 8V6 are available on connector 1M46 they are not protected by fuses 12VSW is protected for over currents by fuse 1U04 Fault Finding e Symptom 1V2 2V5 and 3V3 not present even for a short while 10ms 1 Check 12V availability fuse 1U01 resistor 3U22 power MOS FETs and enable signal ENABLE 1V2 active low 2 Check the voltage on pin 9 1 5 V 3 Check for 1V2 output voltage short circuit to GND that can generate pulsed over currents 7 10 A through coil 5U03 GEJ 5 eRe lee eme Service Modes Error Codes and Fault Finding 5 9 5 9 1 4 Check the over current detection circuit 2U12 or 3U97 interrupted e Symptom 1V2 present for about 100 ms Supplies 2V5 and 8V3 not rising 1 Check the ENABLE 3V3 signal active low 2 Check the voltage on pin 8 1 5 V 3 Check the under voltage detection circuit the voltage on collector of transistor 7U10 1 should be less than 0 8 V 4 Check for output voltages short circuits to GND 3V3 2V5 and 2V5D that generate pulsed over currents of 7 10 A through coil 5U00 5 Check the over current detection circuit 2U18 or 3U83 interrupted e Symptom 1V2 OK but 2V5 and 3V3 present for about 100 ms Cause The SUPPLY
28. iai nen RC au C uom OTOOTO Optional Power Link Mode Switch Activity ComPair II Developed by P Jips Brugge Optional power SV DC fi J HDMI Qe Po ony G_08858 036 ops Figure 5 12 ComPair Il interface connection Caution It is compulsory to connect the TV to the PC as shown in the picture above with the ComPair interface in between as the ComPair interface acts as a level shifter If one connects the TV directly to the PC via UART ICs will be blown How to Order ComPair II order codes e ComPair Il interface 3122 785 91020 e ComPair32 CD update 3122 785 60160 e ComPair interface cable 3122 785 90004 e ComPair interface extension cable 3139 131 03791 e ComPair UART interface cable 3122 785 90630 e ComPair UART interface cable for Q52x x using 3 5 mm Mini Jack connector 3104 311 12742 Note If you encounter any problems contact your local support desk 5 4 2 LVDS Tool Introduction This Service tool also called ComPair Assistant 1 may help you to identify in case the TV does not show any picture whether the Small Signal Board SSB or the display of a Flat TV is defective Thus to determine if LVDS RGB and sync signals are okay When operating the tool will show a small scaled picture on a VGA monitor Due to a limited memory capacity it is not possible to increase the size when processing high resolution LVDS s
29. ible How to Activate CSM Key in the code 123654 via the standard RC transmitter Note Activation of the CSM is only possible if there is no user menu on the screen How to Navigate By means of the CURSOR DOWN UP knob on the RC transmitter you can navigate through the menus Contents of CSM e SW Version example BX23U 1 2 3 4_ 12345 Displays the built in main software version In case of field problems related to software software can be upgraded As this software is consumer upgradeable it will also be published on the Internet e SBY Processor Version Displays the built in stand by processor software version Upgrading this software will be possible via a PC and a ComPair interface see chapter Software upgrade e Set Type This information is very helpful for a helpdesk workshop as reference for further diagnosis In this way it is not necessary for the customer to look at the rear of the TV set Note that if an NVM is replaced or is initialized after corruption this set type has to be re written to NVM ComPair will foresee a possibility to do this e Production Code Displays the production code the serial number of the TV Note that if an NVM is replaced or is initialized after corruption this production code has to be re written to NVM ComPair will foresee a possibility to do this e Code 1 Gives the latest five errors of the error buffer As soon as the built in diagnose software has detected a
30. ignals gt 1280x960 Below this resolution or when a DVI monitor is used the displayed picture will be full size How to Connect Connections are explained in the user manual which is packed with the tool The LVDS cables included in the package cover most chassis For some chassis a separate cable must be ordered Note To use the LVDS tool you must have ComPair release 2004 1 or later on your PC engine version gt 2 2 05 For every TV type number and screen size one must choose the proper settings via ComPair The ComPair file will be updated regularly with new introduced chassis information How to Order e LVDS tool incl two LVDS cables 31p and 20p covering chassis BLx Bux EJx Fux and LC4 1 3122 785 90671 e LVDS tool Service Manual 3122 785 00810 e LVDS cable 20p DF gt 20p DF standard with tool 3122 785 90731 e LVDS cable 31p FI gt 31p FI standard with tool 3122 785 90662 For other chassis a separate LVDS cable must be ordered Refer to table LVDS cable order number for an overview of all available cables Table 5 2 LVDS cable order number Chassis LVDS cable order number Remarks BJ2 4 3122 785 90662 BJ2 5 3122 785 90662 BJ3 0 3122 785 90662 BJ3 1 3122 785 90662 EJ2 0 3122 785 90662 EJ3 0 3122 785 90662 EL1 1 3122 785 90662 3122 785 90821 FJ3 0 3122 785 90662 FTL2 4 3122 785 90662 1 2 LC4
31. ion hours e To display or clear the error code buffer How to Activate SAM Via a standard RC transmitter key in the code 062596 directly followed by the INFO button After activating SAM with this method a service warning will appear on the screen you can continue by pressing the red button on the RC Contents of SAM e Hardware Info A VIPER SW Version Displays the software version of the VIPER software main software example BX23U 1 2 3 4_ 12345 AAAAB_X Y W Z_NNNNN e AAAAz the chassis name e B the region A AP E EU L Latam U US e X Y W Z the software version where X is the main version number different numbers are not compatible with one another and Y is the sub version number a higher number is always compatible with a lower number The last two digits are used for development reasons only so they will always be zero in official releases e NNNNNE last five digits of 12nc code of the software B SBY PROC Version Displays the software version of the stand by processor C Production Code Displays the production code of the TV this is the serial number as printed on the back of the TV set Note that if an NVM is replaced or is initialized after corruption this production code has to be re written to NVM ComPair will foresee in a possibility to do this e Operation Hours Displays the accumulated total of operation hours not the stand by hours Every time the TV is
32. n error the buffer is adapted The last occurred error is displayed on the leftmost position Each error code is displayed as a 2 digit number When less than 10 errors occur the rest of the buffer is empty 00 See also paragraph Error Codes for a description e Code 2 Gives the first five errors of the error buffer See also paragraph Error Codes for a description e Headphone Volume Gives the last status of the headphone volume as set by the customer The value can vary from 0 volume is minimum to 100 volume is maximum Change via MENU TV SOUND HEADPHONE VOLUME e Dolby Indicates whether the received transmitter transmits Dolby sound ON or not OFF Attention The presence of Dolby can only be tested by the software on the Dolby Signaling bit If a Dolby transmission is received without a Dolby Signaling bit this indicator will show OFF even though a Dolby transmission is received e Sound Mode Indicates the by the customer selected sound mode or automatically chosen mode Possible values are STEREO and VIRTUAL DOLBY SURROUND Change via MENU TV SOUND SOUND MODE It can also have been selected automatically by signaling bits internal software e Tuner Frequency Not applicable for US sets e Digital Processing Indicates the selected digital mode Possible values are STANDARD and PIXEL PLUS Change via MENU TV
33. nd the error buffer stays intact history is e By activation of the RESET ERROR BUFFER command maintained except when the error is a protection error in the SAM menu To prevent that an occasional error stays in the list forever the e With a normal RC key in sequence MUTE followed by error is removed from the list after 50 operation hours 062599 and Ok When multiple errors occur errors occurred within a short time e If the content of the error buffer has not changed for 50 span there is a high probability that there is some relation hours it resets automatically between them 5 5 4 Error Buffer Basically there are three kinds of errors e Errors detected by the Stand by Processor These In case of non intermittent faults clear the error buffer before errors will always lead to protection and an automatic start you begin the repair before clearing the buffer write down the of the blinking LED for the concerned error see paragraph content as this history can give you significant information The Blinking LED Procedure In these cases SDM can This to ensure that old error codes are no longer present be used to start up see chapter Stepwise Start up If possible check the entire contents of the error buffer In e Errors detected by VIPER that lead to protection In this some situations an error code is only the result of another error case the TV will go to protection and the front LED will
34. ns solving a variety of fault conditions e Protections related to supplies check of the 12V 5V 8V6 1 2V 2 5V and 3 3V e Protections related to breakdown of the safety check mechanism E g since a lot of protection detections are done by means of the VIPER failing of the VIPER communication will have to initiate a protection mode since safety cannot be guaranteed anymore Remark on the Supply Errors The detection of a supply dip or supply loss during the normal playing of the set does not lead to a protection but to a cold reboot of the set Protections during Start up During TV start up some voltages and IC observers are actively monitored to be able to optimize the start up speed and to assure good operation of all components If these monitors do not respond in a defined way this indicates a malfunction of the system and leads to a protection As the observers are only used during start up they are described in the start up flow in detail see paragraph Stepwise Start up Hardware Protections There is one hardware protection in this chassis Audio DC Protection This protection occurs when there is a DC voltage on the speakers In that case the main supply is switched off but the stand by supply is still working For the Samsung V4 PDP displays the 8V6 supply is switched off and the LED on the display s Main Supply blinks eleven times which means there is an overvoltage protection The front
35. on holder MIPS action holder St by autonomous action Semi Stand by Transfer Wake up reasons to the Stand by pP Images are re transferred to DDR RAM from Flash RAM verification through checksum MIPS image completes the application reload stops DDR RAM access puts itself in a sleepmode and signals the standby P when the Stand by mode can be entered DDR RAM is put in self refresh mode and the images are kept in the hibernating DDR RAM Wait 5ms Switch Viper in reset state l Wait 10ms l Switch the NVM reset line high Disable all supply related protections and switch off the 2V5 3V3 DC DC converter i Wait 5ms i Switch off the remaining DC DC converters Important remark release RESET AUDIO and SOUND_ENABLE 2 sec after entering stand by to save power Switch off all supplies by switching high the pop MODE and the ON MODE O lines Only applicable for sets with CableCARD slot POD For PDP this means CPUGO becomes low Stand by F_15400_099 eps 020206 Figure 5 8 Semi Stand by POD to Stand by flowchart Service Modes Error Codes and Fault Finding ERR Ea BEJ wee action holder St by This state transition is entered when stand by is autonomous action requested and an authenticated POD is present
36. osis e g when Development asks for this Initialize the NVM same as in the past however now it happens conscious Note When you have a corrupted NVM or you have replaced the NVM there is a high possibility that you will not have picture any more because your display option is not correct So before you can initialize your NVM via the SAM you need to have a picture and therefore you need the correct display option To adapt this option use ComPair The correct HEX values for the options can be found in the table Display option code BEEJ 5 eRe OMe Service Modes Error Codes and Fault Finding overview in chapter 8 Service Modes Error Codes and Fault Finding It should be noted that after changing the display option in the NVM in case the NVM was corrupted or empty before this action it will be initialized first loaded with default values This initializing can take up to 20 seconds e Store All options and alignments are stored when pressing cursor right and then the OK button e SW Maintenance SW Events Not useful for service purposes In case of specific software problems the development department can ask for this info HW Events Not functional at the moment this manual is released description will be published in an update manual if the function becomes available How to Navigate e In SAM you can select the menu items with the CURSOR UP DOWN key on the RC t
37. ow 1 QaRron 1 long blink of 750 ms which is an indication of the decimal digit followed by a pause of 1 5 s 2 short blinks of 250 ms followed by a pause of 3 s 9 short blinks followed by a pause of 3 s 6 short blinks followed by a pause of 3 s 1 long blink of 3 s to finish the sequence The sequence starts again How to Activate Use one of the following methods Activate the SDM The blinking front LED will show the entire contents of the error buffer this works in normal operation mode Transmit the commands MUTE 062500 OK with a normal RC The complete error buffer is shown Take notice that it takes some seconds before the blinking LED starts Transmit the commands MUTE 06250x OK with a normal RC where x is a number between 1 and 5 When x 1 the last detected error is shown x 2 the second last error etc Take notice that it takes some seconds before the blinking LED starts 5 7 5 7 1 5 7 2 Service Modes Error Codes and Fault Finding ERR RTT 5 EN35 Protections Software Protections Most of the protections and errors use either the stand by microprocessor or the VIPER controller as detection device Since in these cases checking of observers polling of ADCs filtering of input values are all heavily software based these protections are referred to as software protections There are several types of software related protectio
38. ransmitter The selected item will be highlighted When not all menu items fit on the screen move the CURSOR UP DOWN key to display the next previous menu items e With the CURSOR LEFT RIGHT keys it is possible to De activate the selected menu item De activate the selected submenu How to Exit SAM Use one of the following methods e Press the MENU button on the RC transmitter e Switch the set to STAND BY via the RC transmitter Note As long as SAM is activated it is not possible to change a channel This could hamper the White Point alignments because you cannot choose your channel frequency any more Workaround after you have sent the RC code 062596 INFO you will see the service warning screen and in this stage it is still possible to change the channel so before pressing the OK button 5 2 3 Service Modes Error Codes and Fault Finding E RIUaP PRT 5 DEH Customer Service Mode CSM Purpose When a customer is having problems with his TV set he can call his dealer or the Customer Helpdesk The service technician can then ask the customer to activate the CSM in order to identify the status of the set Now the service technician can judge the severity of the complaint In many cases he can advise the customer how to solve the problem or he can decide if it is necessary to visit the customer The CSM is a read only mode therefore modifications in this mode are not poss
39. s To part C Figure 5 4 Off to Semi Stand by flowchart part 2 To part C F_15400_096b eps 260505 Service Modes Error Codes and Fault Finding EJE 2 2U 2 3U ff 5 EEJ SDIV3 display only sP Switch LVDS back off if end state is not the active state From part B a B From part B p action holder MIP Wait 10ms Yes action holder St by E Enable Alive check mechanism Switch the NVM reset autonomous action line HIGH Yy MIPS reads the wake up reason Wait until Viper starts to Disable all supply related protections and ROEM Ny communicate switch off the 2V5 3V3 DC DC converter y Wait 5ms Wait for the 8V6 to be detected if not yet present if it does not come the standby pP will enter a protection mode this is not a dead end here Vv switch off the remaining DC DC converters D ee ee ee ee ee ee es es m t F Switch on the LVDS output of 3 th try lich TOD NODE aca the PNX2015 with a correct PWR OK PDP One k SDI PDP clock frequency within 4s after received within 10s Set switching the POD and on after POD and on mode mode to prevent PDP display toggle l Yes supply protection Log display 4 error and enter Log Code as protection mode error code Init SDI PDP l These LVDS items are Switch PDPGO low VCCON 1 to PDP display C InitFHP PDP Start
40. s e Clock signal from the VIPER e C from the VIPER error 29 and 31 DC DC Converter Introduction e The best way to find a failure in the DC DC converters is to check their starting up sequence at power on via the Mains AC Power cord presuming that the Stand by Processor is operational e Ifthe input voltage of the DC DC converters is around 12 V measured on the decoupling capacitors 2U17 2U25 2U45 and the ENABLE signals are low active then the output voltages should have their normal values e First the Stand by Processor activates the 1V2 supply via ENABLE 1V2 e Then after this voltage becomes present and is detected OK about 100 ms the other two voltages 2V5 and 3V3 will be activated via ENABLE 3V3 e The current consumption of controller IC 7U00 is around 20 mA that means around 200 mV drop voltage across resistor 3U22 e The current capability of DC DC converters is quite high short circuit current is 7 to 10 A therefore if there is a linear integrated stabilizer that for example delivers 1 8V from 3V3 with its output overloaded the 3V3 stays usually at its normal value even though the consumption from 3V3 increases significantly e The 2V5 supply voltage is obtained via a linear stabilizer made with discrete components that can deliver a lot of current Therefore in case 2V5 or 2V5D is short circuited to GND the 3V3 will not have the normal value but much less The 2V5D volta
41. t etc This application makes it then possible to upgrade the main software via USB Installing Partition 0 software is possible via an external EJTAG tool but also in a special way with the USB stick see description in paragraph Partition 0 Partition 1 Customer To do a main software upgrade partition 1 via USB the set must be operational and the Partition 0 files for the VIPER must be installed in the NAND Flash The new software can be uploaded to the TV by using a portable memory device or USB storage compliant devices e g USB memory stick You can download the new software from the Philips website to your PC Partition 0 Service If the Partition 0 software is corrupted the software needs to be re installed To upgrade this USB download application partition O except the bootblock insert an USB stick with the correct software but press the red button on the remote control in TV mode when it is asked via the on screen text Caution e The USB download application will now erase both partitions except the boot block so you need to reload the main SW after upgrading the USB download application As long as this is not done the USB download application will start when the set is switched on e When something goes wrong during the progress of this method e g voltage dip or corrupted software file the set will not start up and can only be recovered via the EJTAG tool
42. ts for ComPair a Pentium processor Windows 95 98 and a CD ROM drive see also paragraph ComPair Service Default Mode SDM Purpose e To create a pre defined setting to get the same measurement results as given in this manual e To override SW protections only applicable for protections detected by stand by processor and make the TV start up to the step just before protection a sort of automatic stepwise start up See paragraph Stepwise Start Up e To start the blinking LED procedure not valid in protection mode Specifications Table 5 1 SDM default settings Default Region Freq MHz system Europe AP PAL Multi 475 25 PAL B G 5 2 2 NAFTA AP NTSC LATAM 61 25 ch 3 NTSC M e Tuning frequency 61 25 MHz for NTSC The TV shall tune to physical channel 3 only if channel 3 is an analog channel or if there is no channel 3 installed in the channel map If there is a digital channel installed in channel 3 then the frequency to which the set will tune would be as specified in the channel map and could be different from the one corresponding to the physical channel 3 e All picture settings at 50 brightness color contrast e All sound settings at 50 except volume at 25 e All service unfriendly modes if present are disabled like Sleep timer Child parental lock Picture mute blue mute or black mute Automatic volume levelling AVL Auto switch off
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