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Troubleshooting
Related Manuals for Panasonic TC-PXXGT30
Summary of Contents for Panasonic TC-PXXGT30
- Page 1 Cover Page 2011 – Premium 3D Plasma TV Technical Guide and Troubleshooting Flowchart 2011- Plasma FHD TV – (14 Generation) Applies to models: TC-PXXGT30 TC-PXXVT30 Panasonic National Training Panasonic Service and Technology Company TTG110901CP...
- Page 2 National Training "HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.“ Copyright © 2009 by Panasonic Service and Technology Company All rights reserved. Unauthorized copying and distribution is a violation of law.
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Page 3: Table Of Contents
Table Of Contents Content Page Content Page 2011 Series Line Up And Available Sizes 6 Blinks Error Code Circuit Explanation Features 6 Blinks Error Code (SC Energy Recovery Circuit Abnormality) 2011 Premium 3D PDP Line up And Feature Comparison New Technical Features Troubleshooting 6 Blinks Failure Charging the 3D Glasses Troubleshooting 7 Blinks Failure... -
Page 4: 2011 Series Line Up And Available Sizes
2011 Series Line Up And Available Sizes FHD Premium 3D FHD Deluxe FHD Core FHD Leader HD Leader FULL HIGH DEFINITION (1080p) HD (720p) Series Series Series Series Series Full Horizontal Thin Metal One Sheet Piano Black Gradation Gradation Bezel of Glass (Full Back-cut) (Partial Back-cut) -
Page 5: Features
Features Slide 5... -
Page 6: 2011 Premium 3D Pdp Line Up And Feature Comparison
2011 Premium 3D PDP Line up And Feature Comparison Slide 6... -
Page 7: New Technical Features
New Technical Features 2 new technical features have been added to the 2011 models to assist the service technicians speed up the repair process. The ability of the power LED to match the number of blinks of the first and last SOS blinking codes detected by the TV as listed on the “SELF Check”... -
Page 8: Charging The 3D Glasses
Charging the 3D Glasses Turn off the TV. Set the 3D Eyewear power switch to “OFF”. Connect the 3D glasses to the TV as shown in the diagram below. Turn on the TV. The indicator LED on the glasses lights red, and charging starts. When the LED turns off, charging is complete. -
Page 9: Connection (Mini Adapters)
Connection (Mini Adapters) Slide 9... -
Page 10: Boards Layout
Boards Layout TC-P55VT30 Slide 10... -
Page 11: Connections (Mini Adapters Part Number)
Antenna adapter K1TYYYY00158 Part # K2KYYYY00138 VIDEO adapter K2KYYYY00136 Component adapter K2KYYYY00137 Audio adapter K2KYYYY00138 Optical adapter K7CXGYC00002 PC adapter K1HY20YY0007 RS232C adapter K1HY03YY0013 Note: Mini adapter manufactured for other companies may not be comparable with Panasonic TVs Slide 11... -
Page 12: Service Port (M3 Mini Jack) Specifications
Service port (M3 mini Jack) Specifications The Service port (M3 mini Jack) on the following TVs can use as the RS232C terminal which is a standard computer SERIAL interface. Note: This operation system should be used by the certified professional dealer. PC Control of the TV The TV can be controlled by a personal computer when connected through an RS232C/ M3 mini jack conversion cable (not supplied). -
Page 13: 2011 Pdp Extension Cable List (Gt30 Series)
2011 PDP Extension Cable list (GT30 series) Model : TC-P50 / 55 / 60 / 65 GT30 Slide 13... -
Page 14: 2011 Pdp Extension Cable For A Board (Gt30 Series)
2011 PDP Extension Cable for A board (GT30 series) Slide 14... -
Page 15: 2011 Pdp Extension Cable For P Board (Gt30 Series)
2011 PDP Extension Cable for P board (GT30 series) Slide 15... -
Page 16: 2011 Pdp Extension Cable List (Vt30 Series / Fhd)
2011 PDP Extension Cable list (VT30 series / FHD) Slide 16... -
Page 17: Sos Detect Circuit
SOS Detect Circuit Slide 17... -
Page 18: Sos Detect Circuit Schematic (Tc-P50G30)
SOS Detect Circuit Schematic (TC-P50G30) Vsus SS11 Vsus pulse P15V F15V Vsus Vsus Vsus pulse ENERGY SU41 SC41 RECOVERY ENERGY RECOVERY 10,11 D16583 D16253 10,11 VF_G SC20 SOS4 SU11 P15V Vscn/ 3.3V (6X) SOS (8X) SOS Vda/ DETECT SS61 P3V/SUB3.3V DETECT 15V_F SOS6... -
Page 19: Sos Detect Circuit Schematic (Tc-P55Vt30)
SOS Detect Circuit Schematic (TC-P55VT30) Vsus SS11 Vsus pulse P15V F15V Vsus Vsus Vsus pulse ENERGY SU41 RECOVERY ENERGY SC41 RECOVERY 10,11 D16583 D16253 10,11 VF_G SC20 SOS4 SU11 P15V Vscn/ 3.3V (6X) SOS (8X) SOS Vda/ DETECT SS61 P3V/SUB3.3V DETECT 15V_F SOS6... -
Page 20: Voltage Distribution
Voltage Distribution Slide 20... -
Page 21: Power Supply Voltage Distribution (Tc-P50Gt30)
Power Supply Voltage Distribution (TC-P50GT30) P15V(to A20) IC9860 IC9300 IC5607 1.1V P1.1V 1.1V IC9820 To Fan +15V 13 P2.5V Discharge control Discharge control P15V 2.5V _fan Picture signal 2.5V _fan Sub-field Conv. Sub-field Conv. 3.3V 3.3V SUB3.3V / P3.3V SOUND15V IC9304 F15V / DCDCIN TU4801... -
Page 22: Power Supply Voltage Distribution (Tc-P55Vt30)
TC-P55VT30 < Power Supply Distribution > (TNPH0913**) IC9860 Power Supply Voltage Distribution (TC-P55VT30) P1.1V_S 1.1V P15V(to A20) 1.1V IC9300 IC5607 1.1V P1.1V_M 1.1V IC9820 Discharge control Discharge control To Fan +15V 13 P2.5V Sub-field Conv. Sub-field Conv. P15V 2.5V _fan 2.5V _fan IC9830... -
Page 23: Signal Processing
Signal Processing Slide 23... -
Page 24: Gt30 Models Video Signal Flow
GT30 Models Video Signal Flow Serial data LVDS USB1/2/3 TU4801 TU4801 Antenna terminal TUNER TUNER IC9300 IC9300 IC3001 IC8000 IC3001 IC8000 Sub-field Sub-field (Peaks LDA3 (Peaks LDA3 Conv. Conv. Video /sLD2) Video /sLD2) Monitor out Discharge Discharge Switch Switch control control Resize Resize... -
Page 25: Vt30 Models Video Signal Flow
VT30 Models Video Signal Flow LVDS Serial data USB1/2/3 TU4801 TU4801 IC9500 Antenna IC9500 terminal TUNER TUNER Sub-field Conv. Sub-field Conv. Discharge Discharge control control RGB data timing Test-pattern Test-pattern IC3001 IC8000 IC3001 IC8000 (Peaks LDA3 (Peaks LDA3 Video /sLD2) Video /sLD2) IC9300... -
Page 26: Signal Processing Circuit (Gt Series)
Signal Processing Circuit (GT Series) Slide 26... -
Page 27: Signal Processing Circuit (Vt Series)
Signal Processing Circuit (VT Series) Slide 27... -
Page 28: Boards Layout
Boards Layout TC-P55VT30 Slide 28... -
Page 29: Pcb Part List
PCB Part List Slide 29... -
Page 30: Sos Detect Circuit (Shutdown)
SOS Detect Circuit (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. Slide 30... -
Page 31: Cautions
Cautions 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. Some steps require removal of connectors and sometimes PC boards removal. Do not allow the TV to run for more than 30 seconds while connectors or boards are disconnected. -
Page 32: Power Led Error Code Definition (1 Of 2)
Power LED Error Code Definition (1 of 2) POWER LED LIST OF BOARDS POSSIBLY CASUSING THE FAILURE CONDITIONS TRIGGERING ERROR CIRCUIT MONITORED MOST THE SHUTDOWN OCCASIONALLY RARELY CODE COMMON Shorted Vsus NO BLINLK Panel LSI Error Shorted Vda SC - SS SOLID RED Shorted P15V Panel Information SOS... -
Page 33: Power Led Error Code Definition (2 Of 2)
Power LED Error Code Definition (2 of 2) LIST OF BOARDS POSSIBLY CASUSING THE FAILURE POWER LED CONDITIONS TRIGGERING ERROR CIRCUIT MONITORED THE SHUTDOWN MOST CODE OCASSIONALLY RAREALLY COMMON DCC Discharge Control Failure of PD4 IC9300 (Discharge control) 9 BLINKS Circuit Abnormalities of the F+15V and derivate Sub-voltages. -
Page 34: Boards Layout
Boards Layout TC-P55VT30 Slide 34... -
Page 35: Sos Blinking Codes/Troubleshooting Flowchart
SOS Blinking Codes/Troubleshooting Flowchart Slide 35... -
Page 36: Troubleshooting Solid Red Led Shutdown Failure
Troubleshooting Solid Red LED Shutdown Failure Slide 36... -
Page 37: Behavior Comparison Between 2009/2010 And 2011 Models
Behavior Comparison Between 2009/2010 and 2011 Models When Shorted Vsus, Vda, or P15V NOTE: Unlike the 2011 lower-end models, the result of a shorted Vsus, Vda, or P15 is not a Solid-Red-LED for GT and VT modes. This condition will only occur when the F15V is missing while the TV is on. Behavior Comparison Between 2009/2010 and 2011 Models When Shorted Vsus, Vda, or P15V Year 2009/2010... -
Page 38: Solid Red Led Error Code (Locked Mode)
Solid Red LED Error Code (Locked Mode) NOTE: Unlike the 2011 lower-end models, the result of a shorted Vsus, Vda, or P15 is not a Solid-Red-LED for GT and VT modes. These conditions can cause the TV to shutdown while the power LED stays on (Solid red) Missing F15V while the TV is on Open connection between pins 10 and 11 of connectors P6 and A6. -
Page 39: Troubleshooting Solid Red Led Failure (Locked Mode)
Troubleshooting Solid Red LED Failure (Locked Mode) To confirm that the TV is on Locked Mode, 1 , press the power switch to turn on the TV, then when the LED turns on, press the power switch to turn the TV off. If the LED stays on, the TV is on Locked Mode but if the LED goes off, then the symptom is different (Like no video or black screen). Blink List of boards likely to cause this symptom. -
Page 40: Troubleshooting 1 Blink Failure
Troubleshooting 1 Blink Failure (PD4 Startup SOS/Panel Information SOS) Start Here If the TV shuts down and the power LED blinks 1 time, replace the A Slide 40... -
Page 41: Troubleshooting 4 Blinks Failure
Troubleshooting 4 Blinks Failure Slide 41... -
Page 42: Blinks Error Code (Abnormality Of Power Supply Output )
4 Blinks Error Code (Abnormality of Power Supply Output ) These conditions can cause the TV to shutdown and the power LED to blink 4 times Regulation issues with any of the voltages from the power supply. If P15V goes over a preset level. If F15V goes over a preset level. -
Page 43: Troubleshooting 4 Blinks Failure
Troubleshooting 4 Blinks Failure Blink List of boards likely to cause this symptom. Code Main Suspect 4 Blinks Cautions: Disconnect the AC Power prior to making any disconnection or connection. 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. -
Page 44: Troubleshooting 6 Blinks Failure
Troubleshooting 6 Blinks Failure Slide 44... -
Page 45: Blinks Error Code Circuit Explanation
6 Blinks Error Code Circuit Explanation 6 Blinks SOS Energy Recovery/Vscan The energy recovery circuit and Vscan are monitored in the SC board. Failure of any these 2 circuits triggers the SOS6 line causing the unit to shut down and the power LED to blink 6 times. -
Page 46: Blinks Error Code
6 Blinks Error Code (SC Energy Recovery Circuit Abnormality) These 2 conditions can cause the TV to shutdown and the power LED to blink 6 times An increase or reduction of the Energy Recovery Circuit output (MID). Wrong diagnostic by the A board Note: Disconnecting SC20/A20 on the 2011 models causes the TV to shut down with 8 blinks instead of 6 blinks like it was the case of the 2009 and 2010 models. -
Page 47: Troubleshooting 6 Blinks Failure
Troubleshooting 6 Blinks Failure Blink List of boards likely to cause this symptom. Code Main Suspect 6 Blinks Cautions: Disconnect the AC Power prior to making any disconnection or connection. 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. -
Page 48: Troubleshooting 7 Blinks Failure
Troubleshooting 7 Blinks Failure Cautions: Disconnect the AC Power prior to making any disconnection or connection. 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. 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. -
Page 49: Blinks Error Detect Circuit
7 Blinks Error Detect Circuit These 6 conditions can cause the TV to shut down and the power LED to blink 7 times Missing or shorted Vsus. Shorted Vda Abnormality of the scan circuit output, the 15V_F, the scn_pro, and Vscn circuit. Defective Panel. -
Page 50: Quick Procedure To Check For Short Or Low Resistance
Quick Procedure To Check For Short or Low Resistance Condition of the Vsus, Vda, and P15V Lines Note: Vsus is generated by the Power supply and is only used by the SS and SC boards is generated by the Power supply and is only used by the Panel (Panel Drive ICs) P15V is generated by the Power supply and is used by the A, SS, and SC boards Test points for the Vsus, Vda, and P15V can be easily found on the P board. -
Page 51: Troubleshooting 7 Blinks Failures (Gt And Vt Series)
Troubleshooting 7 Blinks Failures (GT and VT Series) Note: Perform firmware upgrade after replacing the SC board or the SS board Start Here Follow the procedure on the previous slide to check the Vsus, and Vda for short circuit or low resistance reading. Unplug the TV and Is there a short disconnect SC20 on... -
Page 52: Detailed Troubleshooting Procedure For Shorted Vda
Detailed Troubleshooting From the From the previous previous Procedure for Shorted Vda slide (A) slide (B) Unplug the TV and remove connector P35. Check the resistance between pin 1 of connector P35 on the P board and ground (Chassis). 8 Blinks Reconnect P35 and unplug the ribbon cable between the C2 and C3 boards. -
Page 53: Vfo/Vscn_F And Vf_5V Resistance Test
VFO/VSCN_F VF_5V Resistance Test (46”, 50”, and 55” FHD (S30 and ST30)) This test can be used to quickly determine if either the SU, SD, or/and the SC board are bad. Note: even though a short circuit is a clear indication of a defective board, a no-short-circuit condition does not necessarily means that the boards are good. -
Page 54: Vfo/Vscn_F And Vf_5V Resistance Test
VFO/VSCN_F VF_5V Resistance Test (50”~65” Slim Models (GT30 and VT30)) This test can be used to quickly determine if either the SU, SD, or/and the SC board are bad. Note: even though a short circuit is a clear indication of a defective board, a no-short-circuit condition does not necessarily means that the boards are good. - Page 55 From previous page Note: If either the SU or SD board is Is there a shorted, all 3 board must replaced together short circuit? (SU, SD, and SC). Is highly likely that the SC board may be also bad even though it does not show a short circuit.
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Page 56: Su-Sd Boards Isolation Procedure
SU-SD boards Isolation Procedure Preparation: Disconnect AC Power prior to making any disconnection or connection. Wait at least 2 minutes before the removal of any connector. Warning: When performing this procedure, isolate the SU and SD boards together at the same time. Do not attempt to isolate the SU or the SD boards individually. -
Page 57: Troubleshooting 8 Blinks Failure
Troubleshooting 8 Blinks Failure Slide 57... -
Page 58: Blinks Error Code
8 Blinks Error Code These conditions can cause the TV to shut down and the power LED to blink 8 times Abnormality of the Sustain drive circuit. Open or loose connection between the SS board and FPCs from the panel. When SS53, SS54 or SS56 are disconnected. -
Page 59: Blinks Error Detect Circuit
8 Blinks Error Detect Circuit Blink List of boards likely to cause this symptom. Code Main Suspect 8 Blinks Panel Cautions: Disconnect the AC Power prior to making any disconnection or connection. Wait at least 2 minutes before the removal of any connector. 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. -
Page 60: Blinks Error Detect Circuit
8 Blinks Error Detect Circuit Vsus SS11 P15V Vda Vsus Vsus pulse Vsus ENERGY RECOVERY SS53 P15V IC16251 (8X) SOS DETECT IC5000 ASIC D16255 IC8000 Peaks-LDA3 SOS8 SOS8 D16255 AH16 IC16241 SS33 SS54 SOS8 TC-P55VT30 SS56 Slide 60... -
Page 61: Troubleshooting 8 Blinks Failure
Troubleshooting 8 Blinks Failure Blink List of boards likely to cause this symptom. Code Main Suspect Panel Start Here Check all the flex-cables between the SS board and the panel. Make sure they are properly seated in the connectors. Unplug the TV and disconnect SS33 on the SS board. Plug in the TV and turn it on Does the TV Unplug the TV. -
Page 62: Troubleshooting 9 Blinks Failure
Troubleshooting 9 Blinks Failure Slide 62... -
Page 63: Blinks Error Code
9 Blinks Error Code This condition can cause the TV to shutdown and the power LED to blink 9 time Failure of PD4 IC9300 (Discharge control) 9 blinks can be caused by failure of IC9300, IC5000, or IC8000. Since all these ICs are located on the A board, only the A board should be replaced when a blinks condition is detected. -
Page 64: Troubleshooting 9 Blinks Failure
Troubleshooting 9 Blinks Failure Blink List of boards likely to cause this symptom. Code Main Suspect Cautions: Disconnect the AC Power prior to making any disconnection or connection. 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. -
Page 65: Troubleshooting 10 Blinks Failure
Troubleshooting 10 Blinks Failure Slide 65... -
Page 66: Troubleshooting 10 Blinks Failure
Troubleshooting 10 Blinks Failure Blink List of boards likely to cause this symptom. Code Main Suspect Start Here Plug in the TV and press the power switch immediately after the first relay click from the power supply is heard. Did the number of blinks changed? Blinking 10 times Blinking 14 times... -
Page 67: Troubleshooting 10 Blinks Failure
Troubleshooting 10 Blinks Failure Blink List of boards likely to cause this symptom. Code Main Suspect Start Here Plug in the TV and press the power switch immediately after the first relay click from the power supply is heard. Did the number of blinks changed? Blinking 10 times Blinking 14 times... -
Page 68: Troubleshooting 11 Blinks Failure
Troubleshooting 11 Blinks Failure Slide 68... -
Page 69: Blinks Error Detect Circuit (Fan Sos)
11 Blinks Error Detect Circuit (Fan SOS) These 3 conditions can cause the TV to shut down and the power LED to blink 11 times If one of the fans opens or increases resistance. If connector A8 is not seated properly. If the A board becomes defective triggering the shutdown circuit. -
Page 70: 11 Blinks Error Code Explanation
11 Blinks Error Code Explanation The ventilation fans are monitored to be sure they are operating properly. If one of the fans opens or increases resistance, the resulting current change is applied to pin 61 of the main CPU (IC8000). The fan drive circuit is located on the A board. -
Page 71: Troubleshooting 11 Blinks Failure
Troubleshooting 11 Blinks Failure Cautions: Disconnect the AC Power prior to making any disconnection or connection. 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. -
Page 72: 12 Blinks Error Code
12 Blinks Error Code These 3 conditions can cause the TV to shut down and the power LED to blink 12 times A Board. Pinched speaker wire. Speakers The transistor Q4930 monitors the speaker amplifier ICs (IC4900 – IC4901). Pin 3 is normally high. If any of the amplifier ICs or one of the speakers develops a short circuit, pin 3 goes low causing Q4930 to go into conduction... -
Page 73: Troubleshooting 12 Blinks Failure
Troubleshooting 12 Blinks Failure Blink List of boards likely to cause this symptom. Code Main Suspect Speaker Cautions: Disconnect the AC Power prior to making any disconnection or connection. 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. -
Page 74: 13 Blinks Error Code
13 Blinks Error Code This condition can happen when the internal communication of the Main processor and the Standby microprocessor within the PEAKS-LDA3 IC is interrupted for more than 3 minutes. Start Here Replace the A board Slide 74... -
Page 75: Blinks Error Code
14 Blinks Error Code These conditions can cause the TV to shutdown and the power LED to blink 14 times No F15V connected to the A board at plug-in (Open connection of both pins 10 & 11 between P6 and Holding the power switch for over 5 seconds after the unit has gone into shut down and it’s in lock mode with the power LED solid red (Note: the LED stays on if the power button is momentarily pressed). -
Page 76: Troubleshooting No Power/Dead Unit
Troubleshooting No Power/Dead Unit These 5 conditions can cause the TV to be dead with no power. A Board. P Board. SC Board SS Board K Board A shorted P15V Condition List of boards likely to cause this symptom. Main Suspect Dead SC - SS Cautions: Disconnect the AC Power prior to making any disconnection or connection. -
Page 77: Troubleshooting No Power/Dead Unit (Power Led Is Off)
Troubleshooting No Power/Dead Unit (Power LED is Off) If the Power Supply squeals, replace the section (P1 or P2) of the P board causing the squealing. Start Here Make sure connectors P34 and P6 are properly seated. Follow the procedure on slide 79 to check the P15V for short circuit or low resistance. - Page 78 From the previous Detailed Troubleshooting slide (C) Procedure for Shorted P15V Unplug connectors P6 and P11, on the P board. Measure the resistance between pin 15 of connector P6 and ground (Chassis) Is there a Replace the P short board circuit? Reconnect P11 and measure the resistance between pin 15 of connector P6 and ground (Chassis)
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Page 79: Quick Procedure To Check For Short Or Low Resistance
Quick Procedure To Check For Short or Low Resistance Condition of the Vda Line is generated by the Power supply and is only used by the Panel (Panel Drive ICs) Test points for the Vda can be easily found on the P board. To check for short circuit or low resistance on this line, follow this procedure: Preparation Make sure the TV is disconnected. -
Page 80: Tv's Behavior After Connectors Removal
TV’s Behavior After Connectors Removal MODEL N0. TC-P55VT30 (Connectors Removal on the SC Board) Connector on Connector Connector Result C1 Board SOS 7 Blinks SC20 SOS 8 Blinks SC20 SOS 8 Blinks SOS 8 Blinks (6 Blinks ST30) SC20 SOS 8 Blinks (TV Stays On ST30) SC20 SOS 8 Blinks... -
Page 81: Procedure To Check The Power Supply (Without Any Load)
Procedure to Check The Power Supply (Without Any Load) Caution: Do not allow the TV to run for more than 30 seconds when isolating the power supply. The Power Supply can be tested without any load by removing several connectors from the P and A boards. Remove the following connectors from the P board: P2, P11, and P35. -
Page 82: Procedure To Check The Power Supply (Without Any Load)
Procedure to Check The Power Supply (Without Any Load) Remove Remove Remove Remove A20 – A31 – A32 Remove Slide 82... - Page 83 Slide 83...