Panasonic Viera TC-P42S1 Page 64 Technical Manual Download | Manualshive

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SU Board Isolation

The 2008 and 2009 plasma models are now designed not
to turn-on if either the SU or SD board is disconnected.
Disconnecting either causes the unit to shutdown and the
power LED to blink 7 times.

Unplugging SC41/SU41, SU11/SD11, and SC42/SD42,
opens the interlocked connection between VF_GND and
CHA on the SC board. This floats point “CHA” and a high
is output to connector SC20 triggering shutdown.

To isolate the SU board:

•

Remove the 2 VF_GND screws on the SU board only.

•

Unplug connector SC41 on the SC board and SU11 on

SU board.

•

Place a jumper between pins 1 and 2 of the empty

connector SC50.

Note:

This procedure could be useful when

troubleshooting 7 blinks problems.

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Summary of Contents for Viera TC-P42S1

Page 1: ...Technology Company National Training Technical Guide 2009 Plasma HD and FHD TV 12th Generation Model TC P42PX1 TC P42X1 TC P50X1 TC P42S1 TC P46S1 TC P50S1 Applies to models TTG090306CP 090306 https www werbemousepads de pdf ...

Page 2: ...t 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 a violation of law ...

Page 3: ...mPMUSOSDetect 39 2 Blinks Error Code 40 Troubleshooting 2 Blinks ErrorCode 41 Subject Slide 3 Blinks 4 Blinks Error Code 42 5 Blinks Error Code 43 Troubleshooting a 5 BlinksError Code 44 6 Blinks Error Code TC P42S1 45 6 Blinks Error Code TC P42X1 46 6 Blinks Error Code Circuit Explanation 47 DRV RST Diagram TC P42S1 48 Driver Reset Circuit Operation 49 DRV RST Block Diagram TC P42X1 50 7 Blinks E...

Page 4: ...ics Introduction Series Line up Features Comparison Technical Changes Standby Power On Operation Shutdown Circuit Explanation Troubleshooting Boards Isolation Service Notes https www werbemousepads de pdf ...

Page 5: ...rce Blu ray and DVD player and home theater receiver VIERA Link permits operation of a network camera A VIERA Link capable Network Camera BL C210A can be connected to a VIERA HDTV and controlled via VIERA Link remote Users can then watch their child pet and or property by installing the camera and networking to the VIERA HDTV via Ethernet cable The BL C210A will be available in the United States i...

Page 6: ...10 TC P50G10 TC P54G10 S1 SERIES Full HD TC P42S1 TC P46S1 TC P50S1 TC P54S1 TC P58S1 TC P65S1 U1 SERIES Full HD TC P42U1 TC P46U1 TC P50U1 X1 SERIES HD TC P42X1 TC P50X1 C1 SERIES HD TC P42C1 TC P50C1 DERIVATIVE MODELS 42 46 50 54 58 65 PS SERIES Full HD TC 50PS14 TC 54PS14 PX SERIES HD TC 42PS14 TC 50PS14 Series Line up A new 54 model has been introduced for this year https www werbemousepads de...

Page 7: ...will be available in the summer of 2009 in the new TC 54Z1 54 inch class screen size V10 Series The VIERA V10 series are slim 2 inch thin plasma HDTVs Digital Cinema Color TM 65 38 1 15 1 73 which helps to deliver all movie essential colors full THX Display certification VIERA CAST web menu with Amazon Video on Demand services The Neo PDP design features 1080p resolution deeper blacks improved nat...

Page 8: ...available in May 2009 S1 Series The VIERA S1 represents the first VIERA plasma series to feature the new NEO PDP designs THX certified displays together with VIERA Image Viewer Full Time 1080 TV lines of motion resolution which eliminate traditional HDTV motion blur 1080p resolution a native contrast ratio of 40 000 1 an Infinite Black panel 600Hz Sub field Drive and a Game Mode 65 screen size wit...

Page 9: ...on focus VIERA Image Viewer for photos playback VIERA Link control of all compatible A V home entertainment components via a single remote Improved native contrast ratio of 30 000 1 an Infinite Black panel and a Game Mode Available in a 50 inch class and 42 inch class https www werbemousepads de pdf ...

Page 10: ... X X X X X X X LAN Port X X X X X THX X X X X X Viera Cast X X X X X Viera Link With Network Camera X X X X X AVCHD MPEG2 JPEG playback Thru SD Card X X X X X 1080 Lines Moving Picture Resolution X X X X X 900 Lines Moving Picture Resolution X X 720 Lines Moving Picture Resolution X X X https www werbemousepads de pdf ...

Page 11: ...2X1 No Fans Power Consumption Maximum 286 W Standby condition 0 3 W Weight 57 4 lb TH 42PX80U No Fans Power Consumption Maximum 385 W Standby condition 0 3 W Weight 56 7 lb TH 50PX80U No Fans Power Consumption Maximum 497 W Standby condition 0 3 W Weight 76 8 lb TC 37LZ85U Power Consumption Maximum 222 W Standby condition 0 2 W Weight 48 6 lb 2008 Plasma 2009 Plasma 2008 LCD TC 32LX85U Power Consu...

Page 12: ...VIErA Technology https www werbemousepads de pdf ...

Page 13: ...e New Sports and other fast action scenes are stunningly clear To improve the moving picture resolution frames are generated at the sub field level With a frame generated each 1 60th of a second images are created to match the motion https www werbemousepads de pdf ...

Page 14: ... Picture Resolution 900 lines or more The resolution can be different between static versus dynamic As you are watching moving images that is the resolution that Panasonic quotes It might be 1300 for a JPEG just showing a comparison 480 Hz Sub field Drive 480Hz refers to the subfield drive 8 subfields per frame x 60 frames per second 480 subfields per second 480Hz https www werbemousepads de pdf ...

Page 15: ...ment in the image and reflects it in each individual sub field to achieve smooth playback with minimal blurring What s Sub field Plasma TVs express a single frame of an image by using multiple images each having a different gradation These separate images are called sub fields https www werbemousepads de pdf ...

Page 16: ... night scenes is beautifully rendered A high contrast is achieved by NeoPDP technology This newly developed highly efficient panel creates a larger difference between maximum brightness white and minimum brightness black Series Z1 V10 G15 G10 S1 https www werbemousepads de pdf ...

Page 17: ...ns Screen reflections are cut when viewing in bright rooms This filter minimizes light reflections Panasonic s unique low reflection filter greatly reduces the reflected light intensity compared with the incident light intensity https www werbemousepads de pdf ...

Page 18: ... obstacles between the transmitter and receiver the surrounding environment or the building structure With regard to the installation environment should the Wireless HD System be installed in hot areas or areas that radiate heat video and audio performance can be adversely affected and the system may even malfunction Also the incorrect placement of the transmitter and receiver can lead to picture ...

Page 19: ...ng to worry about the direction that the remote control is pointed This allows easy operation of a Tuner that is placed inside an AV rack Note This remote control uses 2 4GHz frequency Please do not place this control near any other device which may receive interference from the frequency New https www werbemousepads de pdf ...

Page 20: ...LED on the SS board Connection between the SC board and the SS board Connection between the SC board and the SS board SC3 SS3 A board location New New New No STB5V jumper on the SS board New https www werbemousepads de pdf ...

Page 21: ...board SS34 The jumper is now on the P board P34 There is no relays click at plug in There is a cable between the SC board and the SS board The Key input line for CH UP CH DWN VOL UP VOL DWN Menu and INPUT OK operations is now routed thru the C1 board before it s connected to the A board The output of the SS board is monitored on the SC board Energy Recovery The Scan Drive Section SC SU and SD can ...

Page 22: ...S Series Full HD https www werbemousepads de pdf ...

Page 23: ...Connectors Boards Location TC P42S1 https www werbemousepads de pdf ...

Page 24: ...ter HDMI Interface Peaks Lite 2 Full HD Newly Added SD Card Slot Fan Control Format Converter Plasma AI Sub Field Processor P Power Supply C1 Data Driver Right S Power Switch C2 Data Driver Left SC Scan Drive GK Key Switch CH UP CH DWN VOL UP VOL DWN MENU INPUT OK SD Scan Out Lower K Remote Receiver Power LED SU Scan Out Upper https www werbemousepads de pdf ...

Page 25: ...Standby Operation https www werbemousepads de pdf ...

Page 26: ... connected to A25 is not used during standby operation The STB5V from pin 5 of connector P7 is connected to pin 13 of connector A6 and is applied to a 3 3V regulator to power the Main CPU IC1100 on the A board This energizes the microprocessor CPU and gets it ready for program execution The 3 3V from the voltage regulator besides being applied to the CPU is also applied to the remote control recei...

Page 27: ...Power On https www werbemousepads de pdf ...

Page 28: ...se ICs are called SUB5V SUB9V SUB3 3V SUB1 8V SUB1 3V and BT30V They used by various circuits on the A board To avoid catastrophic failures they are monitored by an SOS Detect circuit IC5480 for over voltage and over current conditions This SOS Detect circuit is controlled by the TV_SUB_ON command from the Main CPU IC1100 Any abnormalities of the SUB5V SUB9V or BT30V triggers the SOS circuit The T...

Page 29: ...Sub Voltages https www werbemousepads de pdf ...

Page 30: ...s and they are only used by the A board The sub voltages are developed when the power is turned on The F 15V from the P board is the source that supplies the DC DC converter circuit IC5401 IC5603 and IC5401 in the A board The A board outputs 9V 5V 3 3V 1 8V The BT30V is generated by IC5480 A 10 blinks code from the power LED indicates abnormalities in any of these voltages including the F 15V http...

Page 31: ...10 times To troubleshoot a PDP TV that is shutting down and the power LED blinks 10 times Find out if 15V is output at pin 7 8 or 9 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 A board is defective Note When taking voltage reading place the voltmeter probe at the test point component or connector s pin indic...

Page 32: ...and the TV shuts down The power LED on the front panel will flash a pattern indicating the circuit that has failed If the power LED continues to blink even after the TV is unplugged press and hold the power switch on the TV for a few seconds until the LED turns off https www werbemousepads de pdf ...

Page 33: ...SOS Blinking Timing Chart https www werbemousepads de pdf ...

Page 34: ...SOS Detect Block Diagram TC P42S1 https www werbemousepads de pdf ...

Page 35: ...Panel Drive SOS Detect Block Diagram TC P42S1 https www werbemousepads de pdf ...

Page 36: ...Panel Drive SOS Detect Block Diagram TC P42X1 https www werbemousepads de pdf ...

Page 37: ... of the unit The Panel MPU IC9003 of the A board Located on the D board on previous generations detects conditions that make the power LED blinks1 2 3 4 5 6 7 8 or 9 times The Main MPU IC1100 of the A board detects conditions that make the power LED blinks 10 11 12 and 13 times The number of times that the POWER LED blinks indicates the areas where a problem is suspected 1 Blink SOS Communication ...

Page 38: ...a high is provided to pin 65 As a result the unit shuts down and the power LED blinks 6 times The TC P42X1 series monitors the sustain board output This signal is connected to the recovery circuit in the SC board Any abnormality on the sustain board will trigger the 6 blinks code 7 Blinks SOS Pin 68 of the CPU IC9003 monitors the status of the SC SU SD board During normal operation a low is applie...

Page 39: ...tance the resulting current change is applied to pin 36 of the main CPU IC1100 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 amplifier IC2109 is monitored If the audio output circuit develops a short to ground a high is output to pin 37 of the MPU IC1100 triggering a SOS condition The power LED blinks 12 times 13 Blinks...

Page 40: ...Blinks Error Code 1 Missing P15V 2 A short of the P15V 3 Wrong diagnostic by the A board These 3 conditions can cause the TV to shutdown and the power LED to blink 2 times https www werbemousepads de pdf ...

Page 41: ... short circuit drawing excessive current To check for a short circuit measure the resistance between pin 1 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 boards while measuring resista...

Page 42: ...y suspect when the TV shuts down and the power LED blinks 3 times Replace the A board Primarily the P board causes 4 blinks followed by the A board To troubleshoot a 4 blinks condition measure the voltage at pin 12 of connector P25 If the voltage goes high the P board is the problem If the voltage stays low then the A board is the problem 4 Blinks Error Code 3 Blinks Error Code https www werbemous...

Page 43: ... of the P5V 3 A short of the Vda line Note missing Vda from the P board does not cause 5 blinks 4 Wrong diagnostic by the A board These 4 conditions can cause the TV to shut down and the power LED to blink 5 times https www werbemousepads de pdf ...

Page 44: ... no voltage is output measure resistance between pin 5 of connector P25 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 connectors providing the P5V to all these boards while measuring resistance between pin 5 of connector P25 and ground The defective boar...

Page 45: ...ator Error detect IC16581 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 https www werbemousepads de pdf ...

Page 46: ...6 Blinks Error Code TC P42X1 https www werbemousepads de pdf ...

Page 47: ... operation of the sustain output circuit The energy recovery circuit in the SC board uses a comparator Error detect IC16581 to monitor the operation of the scan and sustain output circuits 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 ...

Page 48: ...DRV RST Block Diagram TC P42S1 https www werbemousepads de pdf ...

Page 49: ...board via connector C11 A31 C21 A32 to activate the 5V SENSE circuit A voltage divider in the C1 board develops a voltage drop that causes the collector of transistors Q9301 to become low As a result the base voltage of Q9302 also becomes low causing its collector to go high The output voltage is applied to IC9500 and IC9003 as DVR RST When the 5V SENSE circuit does not detect 5V from the C1 board...

Page 50: ...DRV RST Block Diagram TC P42X1 https www werbemousepads de pdf ...

Page 51: ...nd 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 https www we...

Page 52: ...8 Blinks Error Code TC P42S1 https www werbemousepads de pdf ...

Page 53: ...e 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 TV does not stay on after disconnecting the SS board the A bo...

Page 54: ...8 Blinks Error Code TC P42X1 SS_Flexible Printed Circuit FPC _Detect SOS8_SS TC P42X1 https www werbemousepads de pdf ...

Page 55: ...es is open Q16280 turns off and a high is provided to the anode of D16280 D280 This high is provided to pin 66 of the CPU in the A board When this happens the TV shuts down and the power LED blinks 8 times 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 TV does not stay on after disconnecting t...

Page 56: ...11 Blinks Error Code https www werbemousepads de pdf ...

Page 57: ... line To control the speed of the fan a Fan Max command from pin 44 of IC1100 is output to the fan control IC5740 To keep the unit cool the fan control voltage output from IC5740 to the fans ranges between 7V and 11V If this voltage exceeds 12V D5749 conducts The resulting voltage is then fixed at 3 3V by D5751 and it is applied to pin 36 of IC1100 to trigger the SOS condition The TV shuts down an...

Page 58: ...Boards Isolation Procedure Caution Do not let the TV run for more than 30 seconds while connectors or boards are disconnected https www werbemousepads de pdf ...

Page 59: ...ition it can be isolated for confirmation To isolate the Scan Drive Section SC SU and SD board remove connectors SC2 Vsus and SC20 P 15V P 5V and scan pulses from the SC board and connector SS33 from the sustain board When this is done the display is completely black No picture https www werbemousepads de pdf ...

Page 60: ...condition Unplug connector SS11 and connector SS33 Press the power switch If the TV no longer blinks 8 times then the SS board is defective Note 2 In order to get to SS33 the A board has to be removed Remove the 3 screws holding the A board block assembly in place https www werbemousepads de pdf ...

Page 61: ...8 blinks condition Unplug connector SS23 Press the power switch If the TV no longer blinks 8 times then the SS board is defective Note 2 In order to get to SS23 the A board has to be removed Remove the 3 screws holding the A board block assembly in place https www werbemousepads de pdf ...

Page 62: ...SU SD Boards Isolation https www werbemousepads de pdf ...

Page 63: ...e Note This procedure could be useful when troubleshooting 7 blinks problems Beginning last year 2008 the new plasma models are now designed not to turn on if either the SU or SD board is disconnected Disconnecting either causes the unit to shutdown and the power LED to blink 7 times Unplugging any of the connectors SC41 SU41 SU11 SD11 and SC42 SD42 opens the interlocked connection between VF_GND ...

Page 64: ...2 opens the interlocked connection between VF_GND and CHA on the SC board This floats point CHA and a high is output to connector SC20 triggering shutdown To isolate the SU board Remove the 2 VF_GND screws on the SU board only Unplug connector SC41 on the SC board and SU11 on SU board Place a jumper between pins 1 and 2 of the empty connector SC50 Note This procedure could be useful when troublesh...

Page 65: ...ens the interlocked connection between VF_GND and CHA on the SC board This floats point CHA and a high is output to connector SC20 triggering shutdown To isolate the SD board Remove the 2 VF_GND screws on the SD board only Unplug connector SC46 and SC42 on the SC board and SU11 on SU board Place a jumper between pins 1 and 2 of the empty connector SC50 Note This procedure could be useful when trou...

Page 66: ...Signal Process Block https www werbemousepads de pdf ...

Page 67: ...Signal Process Block Diagram https www werbemousepads de pdf ...

Page 68: ...C8001 where the video signal is extracted and converted to YUV data The output is provided to the Video Input I F for selection The JPEG data of the SD card enters the JPEG I F section of IC8001 for conversion into YUV data and output to the Video Input I F circuit The video input interface outputs the selected picture data to the video process circuit This Video Process section of the IC performs...

Page 69: ...Service Notes https www werbemousepads de pdf ...

Page 70: ... on the main unit or the POWER button on the remote control 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 items change in forward direction in reverse direction https www werbemousepads de pdf ...

Page 71: ...for 5 seconds or disconnect the AC cord from the wall outlet To Exit the Self Check Mode Press and hold the Power button on the TV for 5 seconds or disconnect the AC cord from the wall outlet TV volume down OK on remote only does a basic IC self check It does NOT clear any unit settings It does not clear channel programmed settings picture settings channel labels LOCK mode settings or password Usi...

Page 72: ...Self Check Menu https www werbemousepads de pdf ...

Page 73: ...To reset the TV Press and hold the VOLUME button on the TV and press the MENU button on the remote control for more than 3 seconds Note All customer programmed parameters will be erased To Exit Disconnect the AC cord from wall outlet https www werbemousepads de pdf ...

Page 74: ...esolution 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 in horizontal directi...

Page 75: ...ras 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 codec standard The final...

Page 76: ...nto one channel which uses one cable and is known as composite video An option known as S video or Y C video keeps the luma separate from the color signals using one cable but with separate wires internally S video is a bit sharper than composite video Component Video When luma and each of the color signals B Y and R Y are maintained in separate channels it is called component video designated as ...

Page 77: ...The End https www werbemousepads de pdf ...

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