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Panasonic Viera TC-P54Z1, Technical Manual

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Panasonic Viera TC-P54Z1 Technical Manual Download Page 60

Slide #60

System MPU SOS Detect

10 Blinks SOS: 

IC25600 generates the SUB5V and BUB3.3V, IC25601 generates the SUB1.8V and 

SUB1.2V, IC25300 generates GC6-3.3V, and IC25312 generates GC6-18V and GC6-1.2V. These 
voltages are monitored by a SOS detect circuit. Any abnormality on these voltages triggers the 
shutdown circuit and the MPU shuts down the unit. The power LED blinks 10 times.

11 Blinks SOS: 

The ventilation fans are monitored for proper operation. If one of the fans opens or 

increases resistance, the resulting current change is applied to pin 61 of the main CPU (IC21100). 
This triggers the Fan SOS and the TV shuts down. The power LED blinks 11 times.

12 Blinks SOS: 

The operation of the audio power amplifiers IC22301 and IC22302 is monitored. If 

the audio output circuit develops a short to ground, a high is output to pin 27 of the MPU (IC21100), 
triggering a SOS condition. The power LED blinks 12 times.

14 Blinks SOS

: 

Audio PWM.

Summary of Contents for Viera TC-P54Z1

Page 1: ...Slide 1 Panasonic Service and Technology Company National Training Technical Guide 2009 WiHD Plasma TV GPF12ZU Chassis 12th Generation Image Model TC P54Z1 TC P54Z1 Applies to model TTG090604CP 090604 ...

Page 2: ... to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death Copyright 2009 by Panasonic Service and Technology Company All rights reserved Unauthorized copying and distribution is...

Page 3: ...tages Distribution 46 Subject Slide Sub Voltages Applied to Signal Process Circuit 47 Panel Drive Start up Circuit 48 Panel Drive Start up Circuit 49 Panel Drive Voltages Distribution 50 Vsus Distribution 51 Vda Distribution 52 Display Unit Connectors Location 53 SOS Detect Shutdown 54 Power LED Response to Shutdown Condition 55 Power LED Response to Shutdown Condition 56 Display Unit SOS Detect B...

Page 4: ...Slide 4 Topics Features Connection Signal Flow Start up Operation Circuit Explanation Shutdown Detect Circuit Service Notes Troubleshooting ...

Page 5: ...roved native contrast ratio 40 000 1 and Full Time 1080 TV lines of motion resolution 1080p resolution a THX Certified Display an Infinite Black panel 600Hz Sub field Drive and VIERA Link and VIERA Image Viewer for playing back digital still images and AVCHD videos recorded on SD Memory Cards Wireless HD technology can transmit full HD video signals and audio and control signals wirelessly This wi...

Page 6: ...s System 2 TC P54Z1M Display Unit 3 TU Z100U Tuner Box 4 SP 54Z1U Speaker 5 ST 54CF1WS Pedestal 6 TU WH1U Wireless Unit 3 7 8 Remote Control 7 TU WHT1U Wireless Unit Transmitter 8 TU WHR1U Wireless Unit Receiver Components Model Number 4 8 7 3 2 5 4 1 ...

Page 7: ...location where a cardiac pacemaker is implanted Keep the transmitter away from the following devices as much as possible Microwave oven Wireless LAN equipment Bluetooth compatible equipment and equipments which use microwave of 2 4GHz band Digital cordless phone Wireless audio equipment Game machine Personal computer peripherals RF Remote Control Transmission Range Use the RF remote control within...

Page 8: ... Mode PC Input Others 1 inch Slim Design Long Panel Life Up to 100 000 Hours Mercury and Lead Free Panel RF Remote Controller BBE ViVA HD3D Sound Based on APDC measurement method When using cinema mode THX and the THX logo are trademarks of THX Ltd which may be registered in some jurisdictions All rights reserved Power Consumption Display Unit Maximum 476 W Tuner Box 35 W Wireless Unit Receiver 12...

Page 9: ...r which are its ports The front side has an SD card slot HDMI port S Video port composite cable ports and a PC input The back of the box has many ports From left to right you ll find two component cable input ports a composite input port three A V HDMI inputs an HDMI output a digital audio output a RS232C port VIERA Cast LAN input and an antenna cable in port FRONT REAR ...

Page 10: ...aced inside an AV rack This remote control uses 2 4GHz frequency Please do not place this control near any other device which may receive interference from the frequency The TV comes with a RF Remote Control The Tuner Box has RF Remote Control receivers The Box does not have an IR Receiver The Display unit does not have RF receiver but it has an IR Remote Control receiver An IR Remote control can ...

Page 11: ...Slide 11 Connection This Unit is designed to be connected wirelessly with the Tuner Box but it can also be connected to the Tuner Box via the HDMI cable ...

Page 12: ...Slide 12 Connection ...

Page 13: ...onnected directly to the Tuner Box using HDMI cable If the TV is not operating because the Wireless Unit is defective connect the Display Unit to the Tuner Box directly using the HDMI cable The TV can be operated while the Wireless unit is been replaced ...

Page 14: ...splay Unit No signal from tuner unit Please check the connection between tuner unit and monitor is displayed 20 seconds after the power button is pressed There s no OSD shown when any of the R C buttons or the VOL VOL CH or CH buttons on the TV are pressed OSD Service Mode Menu can be obtained when the IR remote control combined with the VOL button on the TV is used to enter the Display Unit Servi...

Page 15: ...Slide 15 Wireless Setup ...

Page 16: ...the Display Unit Tuner Box 2 Connect the Exclusive cable for Wireless Transmitter which has ferrite core to Tuner Box side If the connection is not correct the following icons will be displayed when the Display unit and the Tuner box are turned on This Display Unit is connected to a device other than Tuner Box The special WiHD cable and the HDMI cable are used to connect the Tuner Box to the wirel...

Page 17: ...Slide 17 Devices LEDs Sequence at Power On Wireless Connection Reception Status LEDs ...

Page 18: ...l should be used within 22 feet from the Tuner Box The range may be shortened if there are any obstacles or the surrounding environment or building structure affects the transmission Transmitter Receiver LED Interference from Other Devices If the TV tuner is too close to another device failures such as malfunction or slow remote control response may occur due to the radio wave interference Keep th...

Page 19: ...Slide 19 Board Layout and Description ...

Page 20: ...Slide 20 Display Unit Board Layout ...

Page 21: ...Slide 21 Boards Layout ...

Page 22: ...Slide 22 Board Name and Location Display Unit ...

Page 23: ...ty settings for copyright protection are done at the factory For this reason The WT and WH boards in the Transmitter and the WR board in the Receiver should be replaced at the same time The part number for the TRANSMISSION RECEIVE UNIT is TZTWH01JSUU TZTWH01JSUU ...

Page 24: ...Slide 24 Signal Flow ...

Page 25: ... operate all the functions of the TV Note The WiHD cable does not have to be connected when the Display and the Tuner are wired connected The Tuner Box communicates with the Display Unit via the HDMI cable making use of the DDC and CEC protocols The LVDS signal from the Tuner Box is output to the Display Unit through the HDMI cable ...

Page 26: ...Slide 26 TO DISPLAY UNIT TUNER BOX FRONT VIEW TUNER BOX REAR VIEW Digital Signal Processing Tuner Box ...

Page 27: ...tch inside IC4510 The HDMI signal from the HDMI ports is connected to IC4510 for selection The HDMI receiver section of IC4510 converts the incoming HDMI signals to a YUV video signal The 36 bit RGB digital video signal is provided to the PEAKS AVC IC IC5100 Digital television reception of the tuner is output in the form of an IF Intermediate Frequency signal The transport stream from the tuner en...

Page 28: ...Slide 28 Display Unit Digital Signal Processing Wired ...

Page 29: ...y Unit allowing use of long cables In the DA board the TMDS data and the DDC IIC are connected to IC25510 HDMI Receiver Sound Processor where the signal is processed The video and the audio are separated inside IC25510 The PWM audio is outputted to the audio amplifiers IC22301 and IC22302 The processed 36bit Digital RGB Video Signal is output to the global core 6 GC6 IC25100 The Video signal is th...

Page 30: ...rd The STB5V enters the A board through pin 11 of connector A10 STB5V is provided to the RM board RF Module and the DH board HDMI Out STB5V is also connected to the 3 3V regulator IC5480 The STB3 3V supplies the System MPUs IC1100 and IC1500 IC1501 IC1502 and IC1651 STB3 3V is also connected to the DH and the K board ...

Page 31: ...Slide 31 Wired Connection HDMI Only Note Turning on the Display s Main power switch turns on the Tuner Box Turning it off does not turn off the Tuner Box This is true for wired or wireless connection ...

Page 32: ... for wired or wireless connection CEC is a HDMI control feature that enables the Tuner Box and the Display Unit to control each other CEC stands for Consumer Electronics Control Based on a one wire bidirectional system the CEC line allows he Tuner and the Display to share a communication channel The LVDS signal from the Global Core 6 IC5100 and the sound data from the sound processor IC4510 in the...

Page 33: ...Slide 33 Wireless Connection ...

Page 34: ...Slide 34 Wireless Connection ...

Page 35: ...the 2 4GHz and 60GHz RF IF modules in the receiver unit The 60GHz signal from the transmitter is decoded to TMDS format and DDC IIC The CEC TMDS and DDC IIC are connected to the HDMI In GH board in the Display Unit The TMDS data and the DDC IIC are provided to an Equalizer circuit in the GH board to compensate for signal decay and degradation due to cables and connectors CEC enables the Tuner Box ...

Page 36: ...Slide 36 Start up Operation ...

Page 37: ...Vsus Vda P15V and P5V These voltages are necessary to drive the different circuits in the TV In order to provide protection to the TV these voltages are monitored If any abnormality is detected the power supply outputs a shutdown voltage SOS4_PS to the System CPU to disable the Unit ...

Page 38: ...Slide 38 Voltages Distribution ...

Page 39: ...the HDMI board GH Vsus The Vsus is output when the power is turned on This voltage is generated by the P Vsus section of the power supply and is used by the SC and SS boards for scan and sustain drive operation Vda This voltages is generated by the P Multi power supply and is used by the panel drive ICs built into the flex cable between the panel and the data drive circuit boards C boards P15V Thi...

Page 40: ...Slide 40 Microprocessors Commands TV SUB ON F STBY ON PANEL STB ON and PANEL MAIN ON TV MAIN ON To WiHD Connector GH Board ...

Page 41: ...e TV Sub On 3 2V command is used to turn on the circuit in the power supply that generates the F 15V The F 15V is provided to the DA to generate the Sub voltages used by the signal process circuit When the output of the Sub voltages is confirmed by the system MPU it outputs the Panel STB On command The Panel STB On 3 2V command is used to energize the panel MPU IC When the panel MPU is energized i...

Page 42: ...TI power supply via connector P52 to produce STB5V STB5V is connected to pin 1 of connector P55 on the P VSUS power supply When the Main power switch is off there s no STB5V provided to the DA board The STB5V is provided to the A board via connectors P7 Pin 3 when he Main switch is turned on The STB5V from pin 3 of connector P7 is connected to pin 6 of connector A6 ...

Page 43: ... does not turn off the Tuner Box This is true for wired or wireless connection F 15V is the only voltage needed from the power supply to activate the signal process circuit F 15V is the source of a DC DC converter circuit in the DA board which output supplies all the different circuits involved in the processing of the signal ...

Page 44: ...ng the TV is dead No power The system MPU IC21100 outputs a 3 2V command TV Sub On F STB On to the power supply through pin 5 of connector P7 This command forces pin 39 of IC701 on the power supply to go low This in term forces pins 15 16 10 and 11 to go low When pins 15 and 16 go low the In rush and Main relays are triggered allowing AC to be applied to a bridge rectifier The DC voltage from the ...

Page 45: ...Slide 45 F 15V SUB Voltages Distribution ...

Page 46: ...d IC25312 This circuit outputs SUB5V SUB3 3V SUB1 8V SUB1 2V GC6 3 3V GC6 1 8V GC6 1 2V respectively These voltages are normally used in the DA board Only the SUB5V and the SUB3 3V are used outside the DA board The SUB5 is used is used by the HDMI board GH and the KA board The SUB3 3V is used by the HDMI board GH and the SD Card Slot board SG A 10 blinks code from the power LED indicates abnormali...

Page 47: ...Slide 47 Sub voltages Applied to Signal Process Circuit The signal processing circuit becomes energized when the sub voltages are applied to IC24510 IC2800 and IC25100 ...

Page 48: ...Slide 48 Panel Drive Start up Circuit ...

Page 49: ...nd is output on pin 75 The 3 2V PANEL MAIN ON command is applied to a switching circuit in the power supply This forces pin 38 of IC701 low to turn on the circuits that generate Vsus Vda P15V and P5V When pin 38 goes low pins 13 21 and 22 also go low while pins 6 and 23 go high The power factor control circuit and the Vda P15V generating circuit had already been turned on previously when the TV SU...

Page 50: ...Slide 50 Panel Drive Voltages Distribution P15V Distribution P5V Distribution ...

Page 51: ...Slide 51 Vsus Distribution ...

Page 52: ...Slide 52 Vda Distribution ...

Page 53: ...Slide 53 Display Unit Connectors Location ...

Page 54: ... SOS Detect Shutdown When an abnormality occurs in the unit the SOS Detect circuit is triggered and the TV shuts down The power LED on the front panel will flash a pattern indicating the circuit that has failed ...

Page 55: ... Board 2 15 V SOS P Board DA Board SC Board SS Board 3 3 3 V SOS DA Board PANEL C1 C2 C3 4 Power SOS DA Board P Board 5 5V SOS P Board DA Board SC Board SS Board C2 C3 6 Driver SOS1 SC Energy recovery circuit SC Board DA Board 7 Driver SOS2 SC floating voltage area SU Board SD Board SC Board DA Board 8 Driver SOS3 SS FPC DET SS Energy recovery circuit SS Board SS2 Board PANEL 9 Communication Error...

Page 56: ...splay Unit Tuner Box Display Unit 10 Sub 9V 5V 3 3V SOS Tuner Power SOS DA Board Power SOS A Board DA Board GH Board SG Board PB Board KA Board 11 Fan SOS A Board Fan D A B o a r d Fans P Board 12 Sound SOS D A B o a r d 14 Audio PWM SOS D A B o a r d Note Replace the Tuner Box for shutdown problems caused by the Tuner Box 10 or 11 Blinks ...

Page 57: ...Slide 57 Display Unit SOS Detect Block Diagram ...

Page 58: ...be identified by the number of blinks of the POWER LED on the front of the unit The Panel MPU IC29003 of the DA board detects conditions that make the power LED blinks1 2 3 4 5 6 7 8 or 9 times The Main MPU IC21100 of the DA board detects conditions that make the power LED blinks 10 11 12 13 and 14 times The number of times that the POWER LED blinks indicates the areas where a problem is suspected...

Page 59: ...rs the status of the SC board During normal operation a low is applied to pin 65 If the SC board becomes defective a high is provided to pin 65 As a result the unit shuts down and the power LED blinks 6 times 7 Blinks SOS Pin 68 of the CPU IC29003 monitors the status of the SC SU SD board During normal operation a low is applied to pin 68 If the SC SU or SD board becomes defective a high is provid...

Page 60: ... blinks 10 times 11 Blinks SOS The ventilation fans are monitored for proper operation If one of the fans opens or increases resistance the resulting current change is applied to pin 61 of the main CPU IC21100 This triggers the Fan SOS and the TV shuts down The power LED blinks 11 times 12 Blinks SOS The operation of the audio power amplifiers IC22301 and IC22302 is monitored If the audio output c...

Page 61: ...Slide 61 Tuner Box SOS Detect Block Diagram Note This block diagram is to be used for reference Replace the Tuner Box for shutdown problems caused by the Tuner Box 10 or 11 Blinks ...

Page 62: ...Slide 62 P15V Distribution ...

Page 63: ...f there is a short circuit drawing excessive current To check for a short circuit measure the resistance between any of the pins 1 5 of connector P6 and ground Chassis If P15V is shorted find out if the short is coming from the P board or if it s coming from any of the other boards that the 15V volt is connected to If the P board is OK disconnect the connectors providing the P15V to all these boar...

Page 64: ...Slide 64 P3 3V Distribution ...

Page 65: ...Slide 65 P3 3V Distribution Detailed ...

Page 66: ...f no voltage is output determine if this is caused by the P board or the boards using the P3 3V To check for a short circuit measure the resistance between R126 on the C1 board See figure and ground Chassis If P3 3V is shorted find out if the short is coming from the DA board or if it s coming from any of the C boards or the panel The defective board is found when the connector that provides the P...

Page 67: ...voltage IC701 outputs a high to the DA board Primarily the P board causes 4 blinks followed by the DA board To troubleshoot a 4 blinks condition measure the voltage at pin 18 of connector DA6 in the DA board If the voltage goes high the P board is the problem If the voltage stays low then the A board is the problem P 95 Probability DA 50 ...

Page 68: ...Slide 68 P5V Distribution ...

Page 69: ...ircuit proceed to check the P5V line P5V check Missing shorted Find out if 5V is output at pin 1 of connector P7 of the P board If no voltage is output measure resistance between pin 1 of connector P7 and ground Chassis If P5V is shorted find out if it s created on the P board or if it s created on any of the other boards that the 5V volt is connected to If the P board is OK disconnect the connect...

Page 70: ...6581 The output voltage is compared to 2 reference voltages derived from the P15V If the output of this circuit drops below 5 2 or goes above 11 8V the output of the comparator IC6581 goes high to trigger the Energy Recovery SOS line This high is provided to the Panel CPU on the A board The TV shuts down and the power LED blinks 6 times SC 95 DA 50 Probability P 20 Probability Connections between ...

Page 71: ...circuit monitors the scan circuit output the 15V_F the scan_pro Vscan and the physical connection between the SC board and the SU SD board CHA If any abnormality occurs on any of these lines or Vsus is missing the TV shuts down and the power LED blinks 7 times If any of the connectors between the SC and the SU SD board is open the TV also shuts down and the power LED blinks 7 times SC 80 SU SD 60 ...

Page 72: ...Slide 72 Troubleshooting 8 Blinks Error Code ...

Page 73: ...appens the TV shuts down and the power LED blinks 8 times The energy recovery circuit is also used to monitor the operation of the sustain drive circuit If this circuit is triggered a high is provided to the anode of D16255 to trigger a shutdown To determine if the 8 blinks is caused by the A board SS board or the Panel Isolate the SS board and check if the TV stays on when it s turned on If the T...

Page 74: ...4 Troubleshooting 9 Blinks Error Code A 9 blinks error code is normally caused by a defective DA board Check for metal object inside the SD card slot Also double check for loose connection around the DA board ...

Page 75: ...Slide 75 10 Blinks Error Code ...

Page 76: ... LED blinks 10 times Find out if 15V is output at pin 12 13 or 14 of connector P6 of the P board If no voltage is output the P board may be defective If the F_STB_15V voltage is OK it s likely that the DA board is defective Note When taking voltage reading place the voltmeter probe at the test point component or connector s pin indicated before connecting the TV to the AC line This will ensure vol...

Page 77: ...Slide 77 Fan Drive Circuit ...

Page 78: ...peed of the fan a Fan Max command from pin 60 of IC21100 is output to the fan control ICs in the PB board IC5901 and IC5903 To keep the unit cool the fan control voltages from IC5900 and IC5902 range between 7 2V and 11V IC5900 supplies voltage to drive fans 1 2 5 6 7 8 and 9 IC5902 supplies voltage to drive fans 3 and 4 If the output of IC5900 exceeds 12V the diode D5901 conducts The resulting vo...

Page 79: ...Slide 79 Fans Location ...

Page 80: ...udio power amplifier ICs IC22301 and IC22302 for excessive current drain If any of the 2 ICs or one of the speakers develops a short circuit a high is output to turn on Q22022 When Q22022 is on a high is applied to pin 27 of the System MPU IC21100 triggering an SOS condition Then unit shuts down and the power LED blinks 12 times A short circuit of the 15V line causes the diode D22014 to go into co...

Page 81: ...Slide 81 Service Mode The Tuner box and The Display unit have individual service modes ...

Page 82: ...of tuner box and display unit from the wall outlet Tuner box Service Mode Display screen Blue background Picture adjustment Option setting Monitor Service tool Key command 1 button Main items Selection in forward direction 2 button Main items Selection in reverse direction 3 button Sub items Selection in forward direction 4 button Sub items Selection in reverse direction VOL button Value of sub it...

Page 83: ... times within 2 seconds Display Unit Unique Mode Using the IR remote control How to exit Disconnect the AC cord of the tuner box and display unit from the wall outlet or press and hold the power Switch for 5 seconds How to enter from Tuner Box Service Mode Use RF Remote control 3 MONITOR MODE will be displayed on the top left of the screen 2 Using the buttons 1 or 2 on the remote control select MO...

Page 84: ...l outlet Press and hold the Volume button of Display Unit and while holding this button press the Info or Recall button of the IR remote control 3 times within 2 seconds Service mode of display unit is displayed How to enter Use this procedure when performing white balance adjustment Use IR Remote control Display Unit Service Mode The Display Unit does not have to be connected to the Tuner Box to ...

Page 85: ...cancel the RF remote control registration Note The RF remote control won t work after resetting the Tuner Box The remote control has to be registered again in order to work Press volume button of tuner box and MENU button of RF remote control at the same time for more than 3 seconds How to enter How to exit Disconnect the AC cord of display unit from the wall outlet Use RF Remote control ...

Page 86: ...self check green color is displayed MONITOR is not shown at left top Self check indication only Press volume button of tuner box and OK button of RF remote control at the same time for more than 3 seconds Reset Press volume button of tuner box and MENU button of RF remote control at the same time for more than 3 seconds Use RF Remote control When there is picture problem caused by the Tuner the tu...

Page 87: ...To establish connection between the transmitter module and the receiver module Connect the TX and the RX to the Tuner unit and the Display unit respectively Press the power button on the Tuner unit The tuner turns on Press the power button on the Display unit The display turns on The red LED on the TX and the RX should turn ON When connection between TX and RX is established the LEDs turn green an...

Page 88: ...button and the number 1 button on RF remote control simultaneously Note the registration may take 30 seconds 3 Press the OK button when the Remote control registration complete successfully menu appears 4 Press the OK button and proceed to the Easy installation setting OK button Only 5 RF remote controls can be registered at a time To add another remote all 5 registered remote controls have to be ...

Page 89: ...the Tuner Box 3 Press the Input OK button and the 1 button simultaneously for at least 3 seconds Note The registration may take 30 seconds 4 When the screen Registration Completed is displayed press the Return button on the remote control to finish the registration If the remote control registration fails Press and hold the power button until the tuner box turns on If the power can t be turned on ...

Page 90: ...ixels indicates the resolution of the Image The number of pixels of a digital image is expressed by the product of the number of pixels dots in the horizontal direction and the number of pixels dots in the vertical direction The higher the number of pixels the better the image quality For plasma TVs and LCD TVs the number of pixels is sometimes expressed by the following equation number of pixels ...

Page 91: ...ders and digital cameras It is based on the H 264 MPEG 4 AVC video compression standard Audio is stored in compressed form Dolby AC 3 The container format for the audio and video is MPEG transport stream H 264 H 264 is a standard for video compression and is equivalent to MPEG 4 Part 10 or MPEG 4 AVC for Advanced Video Coding As of 2008 it is the latest block oriented motion compensation based cod...

Page 92: ...ital TMDS Transition Minimized Differential Signaling CEC Consumer Electronics Control DDC Display Data Channel Standardized by VESA Video Electronics Standard Association DDC allows the acquisition of all types of attributes and automatic settings to match the capabilities of the display An expanded version DDC CI Command Interface has bidirectional control capability Buffer A buffer is a circuit...

Page 93: ...Slide 93 The End ...

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