Panasonic Viera Link TH-42PZ80U Скачать руководство пользователя страница 31 | Manualshive

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background image

LED blinks 12 times

Trouble Mode

Sound SOS

Defective Board (Possibility)

Speakers, A Board

Unplug the TV and disconnect the
Left and Right speakers connectors.
Plug in the TV and turn it on

No

Yes

Replace

The A board

Does the power

LED stay on

when the TV is

turned on?

Check the speakers and

the speaker’s wires.

31

Unplug the TV and disconnect
connectors P6 and P7 on the P
board. Plug in the TV

Warning:

Disconnect AC Power prior to making any

disconnection or connection

Is the TV turning on by

itself at plug in with:

Power LED = Off.

LED on SS board = On.
LED on SC board = On

No

Yes

Check P15V (Pin 1 of P6) and

follow 2 blinks instructions

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Содержание Viera Link TH-42PZ80U

Страница 1: ...5U TH 42PZ800U TH 46PZ800U TH 50PZ800U TH 46PZ850U TH 50PZ850U Technical Guide Technical Guide Plasma Plasma GPH11DU Chassis GPH11DU Chassis HD Models HD Models Troubleshooting Handbook Troubleshootin...

Страница 2: ...This page is purposely left blank 2...

Страница 3: ...reen 48 Examples of Symptoms and Remedies 50 Self check Procedure 56 Reset 56 Driver Setup Adjustment 57 Subject Page Connector s Location TH 42PX80U 5 Power LED s Response to Shutdown Operation 7 LED...

Страница 4: ...before shutdown 2 Check if the power comes up after disconnecting the board under suspicion If power comes up after disconnecting a board the board is defective Power comes up equals no shutdown 2 Tr...

Страница 5: ...5 Connector s Location TH 42PZ85U Figure 1...

Страница 6: ...ubleshooting Shutdown Problems 6 CAUTION Some steps requires removal of connectors and sometimes PC boards removal Do not let the TV run for more than 30 seconds while connectors or boards are disconn...

Страница 7: ...Microcomputer D A 2 15V SOS D 3 3 3V SOS D 4 Power Supply SOS P 5 5V SOS D 6 SC Energy recovery SOS SC D P 7 SC floating voltage SOS SC SU SD D P 8 SS Energy recovery SOS SS D P 9 Panel Configuration...

Страница 8: ...connectors P6 and P7 on the P Board See Figure 1 Plug in the TV Is the TV turning on by itself with the following conditions Power LED Off SC LED On SS LED ON Replace the D board Replace the A board N...

Страница 9: ...imes Trouble Mode 15V down SOS Defective Board Possibility P A SC SS Board P A SC SS 9 2 Blinks Condition can be caused by Missing P15V A short of the P15V Wrong diagnostic by the D board Figure 3 P15...

Страница 10: ...or P7 Is there 15V present No Yes Replace The P board Replace The D board Unplug connectors P6 P7 P12 and P25 on the P board Measure the resistance between pin 1 of connector P7 and ground Chassis Is...

Страница 11: ...e A board Reconnect P7 and measure the resistance between pin 1 of connector P7 and ground Chassis Is there a short circuit No Yes Replace The D board Disconnect PB30 on the PB board and measure the r...

Страница 12: ...LED blinks 3 times Trouble Mode 3 3V down SOS Defective Board D Board Replace the D board 12 Warning Disconnect AC Power prior to making any disconnection or connection...

Страница 13: ...13 D Board P Board Turn the TV on Is pin 12 of CN P25 on the P board high before the TV shuts down Warning Disconnect AC Power prior to making any disconnection or connection An abnormal increase in...

Страница 14: ...Warning Disconnect AC Power prior to making any disconnection or connection 5 blinks condition can be caused by Figure 4 Missing P5V A short of the P5V A short of the Vda line Note missing Vda from th...

Страница 15: ...en pin 1 of connector P12 on the P board and ground Chassis Yes 15 Proceed to more extensive troubleshooting of the slides that follow No Warning Disconnect AC Power prior to making any disconnection...

Страница 16: ...ground Chassis Yes No Is there a short to ground Replace the P board Reconnect P25 and disconnect SC20 on the SC board Measure the resistance between pin 5 of connector P25 on the P board and ground C...

Страница 17: ...nd Chassis Yes No Is there a short to ground Disconnect the Flex cables between the panel and the C1 board CB1 CB8 Measure the resistance between pin 5 of connector P25 on the P board and ground Chass...

Страница 18: ...and D33 and disconnect C26 on the C2 board Also disconnect the Flex cables between the panel and the C2 board CB7 CB11 Measure the resistance between pin 5 of connector P25 on the P board and ground...

Страница 19: ...power up and stay on Disconnect connectors SC2 and SC20 from the SC board Plug in the TV and turn it on Connect SC2 2 and SC20 Plug in the TV and turn it on Warning Disconnect AC Power prior to making...

Страница 20: ...floating ground screws on the SU board which are located above and below connector SU41 see figure 2 Caution Before turning the unit on confirm that the jumper is not connected to a chassis ground scr...

Страница 21: ...d and reconnect the SU board See instructions on previous slide Plug in the TV and turn it on Does the TV shut down and the power LED blink 7 times Does the TV shut down and the power LED blink 7 time...

Страница 22: ...D16280 D280 Location 22 Figure 10 Anode D16280 D280 PANEL TH 42PZ85U To pin 66 IC9003 N 2 7V SOS Figure 8 Figure 9 Note The location for this component may not be the same for all models...

Страница 23: ...ower up and stay on Is there approx 2 7V at the anode of D280 on the SS board Disconnect the TV Use a volt meter and place the positive probe on the anode of D280 on the SS board See previous slide fo...

Страница 24: ...LED blinks 9 times Trouble Mode Panel Status Defective Board D Board Replace the D board 24 Warning Disconnect AC Power prior to making any disconnection or connection...

Страница 25: ...power Defective Board Possibility P A GS K GH Missing Shorted F_STB_15V Missing Shorted SUB9V SUB5V and SUB3 3V Wrong diagnostic by the A board 10 blinks condition can be caused by A board Connectors...

Страница 26: ...H Do the AC relays click after the TV is plugged into the AC line NO Go to the Next slide Yes NOTE When taking voltage reading place your meter s probe on the test point or pin indicated before connec...

Страница 27: ...e AC line The voltage you intent to measure may only appear for a brief moment 27 Unplug the TV and disconnect connector P6 on the P board Using a voltmeter place the positive probe at pin 7 of connec...

Страница 28: ...d Warning Disconnect AC Power prior to making any disconnection or connection 2 CAUTION Before connecting P2 SC2 or P11 SS11 discharge is necessary to prevent potential shock caused by VSUS 3 VSUS abo...

Страница 29: ...connect AC Power prior to making any disconnection or connection Figure 13 11 blinks condition happens 1 If one of the fans opens or increases resistance 2 If the PB board becomes defective triggering...

Страница 30: ...on when the TV is turned on Replace the Fan 30 Unplug the TV and disconnect connector PB30 on the PB board Plug in the TV and turn it on Warning Disconnect AC Power prior to making any disconnection...

Страница 31: ...oes the power LED stay on when the TV is turned on Check the speakers and the speaker s wires 31 Unplug the TV and disconnect connectors P6 and P7 on the P board Plug in the TV Warning Disconnect AC P...

Страница 32: ...and disconnect connectors P6 and P7 on the P Board See Figure 1 Plug in the TV Is the TV turning on by itself with the following conditions Power LED Off SC LED On SS LED ON Replace the D board Repla...

Страница 33: ...ere continuity between pins 8 and 10 of connector P12 of the P board Unplug the TV and place your volt meter on pin 11 of connector P25 or A25 Plug in the TV and press the power switch Is there 3 2V p...

Страница 34: ...ect connector A52 Plug in the TV Unplug the TV and place your volt meter on pin 6 of connector P7 Plug in the TV TH 46PZ850U TH 50PZ850U TH 42PZ80 85U TH 46PZ80 85U TH 50PZ80 85U TH 42PZ800U TH 46PZ80...

Страница 35: ...eck the cable between connector A7 on the A board and P6 on the P board Is there 15V at pin 1 of CN A6 on the A board Is there a sound waveform at pin 1 and 3 of CN A12 on the A board Replace The A bo...

Страница 36: ...This page is purposely left blank 36...

Страница 37: ...Troubleshooting for Picture Problems 37...

Страница 38: ...e 2 No picture 2 Basic concept of determining the defective board 1 Which area is the symptom displayed on the screen A Part of the screen B All over the screen 3 Adjustment after PCB exchange 1 After...

Страница 39: ...d at the left top corner Finally gas leakage will lead to the symptom No picture with buzz noise How to determine the defective board Start Upper or Lower half from front view Upper half Lower half Bo...

Страница 40: ...Diagram Possible Cause Back side view IC9900 DATA DRIVER IC9500 A MICRO PROCESSOR IC4510 Peaks Lite IC1100 HDMI I F PICTURE OUTPUT IC8001 S F PROCESSOR PLASMA AI DISCHARGE CONTROL LVDS RECEIVER SU SD...

Страница 41: ...Buffer IC Buffer IC Sustain Control Pulse Scan Control Pulse D Board defect Waveform OK SC SU SD Board defect Waveform NG Refer to Diagnosis 3 on next page Result Cause Confirm the waveform at TPSC1...

Страница 42: ...oard Situation Disconnect SU Board Connect SD Condition Waveform OK Cause SU Board Disconnect SD Board Connect SU Waveform OK SD Board Disconnect the SU and SD Boards Waveform OK SC Board Back side vi...

Страница 43: ...board or C board NG D board or C board FPC 1 Line FPC Buffer C Board Buffer C Board Driver IC 1 Block 2 Blocks PDP panel Driver IC NG or D board or C board Driver IC Driver IC Driver IC PDP Panel PDP...

Страница 44: ...Trouble at Upper half SU board SC or D defect NG Area No Picture Picture noise Full Horizontal line etc Actual Symptom Full Horizontal line at both area SS board D defect Symptom Result Symptom Result...

Страница 45: ...re Picture noise etc Trouble at Left half D board defect 1 2 Trouble at Right half D board defect Symptom Result Cyan noise Right side D board Actual Symptom Symptom Defective board NG Area Models 50i...

Страница 46: ...re noise Full Vertical line etc Front view SC SU SD SS C1 C2 D 1 2 Trouble at Left half D or C2 board Panel defect 1 2 Trouble at Right half D or C1 board Panel defect Symptom Result Vertical line Pan...

Страница 47: ...ertical line etc Symptom NG Area Models 50inch HD Panel 1 Trouble at Upper right 2 Trouble at Upper middle C1 board or Panel defect 3 C2 board or Panel defect C3 board or Panel defect SC SU SD SS C1 C...

Страница 48: ...D or SC board SU SD defect Symptom Result Symptom Result Symptom Result Vertical line All over screen D board White balance NG D board Abnormal Picture SC board D SC Actual Symptom Picture noise Full...

Страница 49: ...Examples of Symptoms and Remedies 49...

Страница 50: ...een Model 42 inch Result A Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result A Board Model 42 inch Result SC Board Model 42 inch Result SC Board Model 42 inch Result...

Страница 51: ...reen Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result...

Страница 52: ...esult D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch...

Страница 53: ...ll over the screen Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 4...

Страница 54: ...ight half or Left half Model 50 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Mod...

Страница 55: ...Upper or Bottom Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result D Board Model 42 inch Result SU Board Model 42 inch Result D Board Model 42 inch Result SC Board Model 4...

Страница 56: ...from the wall outlet Self check Screen CHASSIS GPH11D All models TV volume down OK on remote only does a basic IC self check It does NOT Reset the TV It does not clear channel programmed settings pict...

Страница 57: ...ed parameters will be erased To Reset the Unit turn the TV on and while pressing the VOLUME button on the main unit press the Menu button on the remote control for more than 3 seconds The Self Check m...

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