Panasonic Viera TX-32A400B, Service Manual

Page 1: ...Panasonic Corporation 2014 Unauthorized copying and distribution is a violation of law ORDER NO PCZ14 CE LCD TV Model No TX 32A400B TX 32A400E TX 32A400Y TX 32AW404...

Page 2: ...1 Service Hint 6 3 2 Applicable signals 7 4 Specifications 8 5 Troubleshooting Guide 11 5 1 No Power 11 5 2 Abnormal Display 12 5 3 No Display 13 5 4 Sound Problem 14 5 5 Remote Control Malfunction 1...

Page 3: ...en the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the rea...

Page 4: ...of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD...

Page 5: ...e solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free sold...

Page 6: ...Speaker out AV Terminal HDMI in Digital Audio out Digital Signal Processor USB Tuner All boards are non serviceable and should be exchanged for service Power Board Power AC DC DC DC Key IR Board Remot...

Page 7: ...PC from HDMI terminal Note Signals other than above may not be displayed properly The above signals are reformatted for optimal viewing on your display PC signal is magnified or compressed for displa...

Page 8: ...on the available services at the following website English only http panasonic jp support golbal cs tv PAL B G H I SECAM B G VHF E2 E12 VHF A H ITALY CATV S01 S05 CATV S11 S20 U1 U10 VHF E1 E2 ITALY U...

Page 9: ...ude 0 6 V 0 2 V Symbol Rate Max 45 MS s FEC Mode 1 2 3 5 2 3 3 4 4 5 5 6 8 9 9 10 Demodulation QPSK 8PSK DiSEqC Version 1 0 Antenna input VHF UHF Operating conditions Temperature 0 C 35 C Humidity 20...

Page 10: ...Base 727 mm 464 mm 194 mm Without Base TV only 727 mm 432 mm 67 mm Mass With Base 5 5 kg Without Base TV only 5 0 kg Display panel Aspect ratio 16 9 Visible screen size 80cm 31 5 inches diagonal Scree...

Page 11: ...input and the power is ON Power On Power board output 12V Replace the Power board Yes No Yes No Use RC or Key to turn on the TV No Yes 1 RC can turn on the TV and Key can t replace the key board 2 Key...

Page 12: ...2 5 2 Abnormal Display Abnormal Display Replace LVDS Cable Replace the main board Replace the panel No No Yes No Enter factory mode to Reset Replace the main board No Yes Reset Check the OSD is normal...

Page 13: ...the Panel No display LED No power LED Off Replace the main board Check the backlight is On Check the LVDS cable Reinsert or replace the LVDS cable Replace the main board Replace the Panel No Yes Yes N...

Page 14: ...nd or sound abnormal Check the TV is muted adjust the volume or enter the menu to reset Replace the main board Check the audio source connection and the TV system are correct No Yes Replace the main b...

Page 15: ...alfunction Replace the battery Replace the remote control Whether the Key IR board is abnormal Yes Replace the Key IR board Replace the main board Yes Yes Use the other remote controls Check the remot...

Page 16: ...16 6 Disassembly and Assembly Instructions 1 Remove the screws to remove the Base Just for TX 32AR400 2 Remove the screws to remove the Rear Cover 32 32 31 31 31 31 27 27 29 28 26 25...

Page 17: ...17 3 Unplug these connectors and cable clip on the Main board and Power board 4 Remove the screws to remove the Main board Power Board MB BKT 3 4 6 8 9 12 13...

Page 18: ...18 5 Remove the screws to remove the Panel BKT 6 Remove the Speaker Cover Speakers Key IR Board Notes The Key Board and IR Board are integrated They are attached to speaker cover 15 21 21 18...

Page 19: ...19 7 Panel...

Page 20: ...20 7 Block Diagram...

Page 21: ...Caution Please confirm that all flexible cables are assembled correctly Also make sure that they are locked in the connectors Verify by giving the flexible cables a very slight pull 8 2 Wiring CN8101...

Page 22: ...22 9 Exploded View and Replacement Parts List 9 1 Exploded View For TX 32A400E TX 32A400Y TX 32AW404 TX 32A400B...

Page 23: ...23...

Page 24: ...1 MAIN KEY TZZ00001477A Cable 1 MAIN POWER TZZ00001483A LVDS Cable 1 MAIN PANEL 3 TZZ00001473A SCREW POWER BOARD PANEL 3 4 TZZ00001474A SCREW AC SOCKET PANEL 2 6 TZZ00001473A SCREW MB BKT_TOP PANEL 1...

Page 25: ...TZZ00001481A Cable 1 MAIN KEY TZZ00001476A Cable 1 MAIN POWER TZZ00001482A LVDS Cable 1 MAIN PANEL 3 TZZ00001473A SCREW POWER BOARD PANEL 3 4 TZZ00001474A SCREW AC SOCKET PANEL 2 6 TZZ00001473A SCREW...

Page 26: ...TZZ00001476A Cable 1 MAIN POWER TZZ00001482A LVDS Cable 1 MAIN PANEL 3 TZZ00001473A SCREW POWER BOARD PANEL 3 4 TZZ00001474A SCREW AC SOCKET PANEL 2 6 TZZ00001473A SCREW MB BKT_TOP PANEL 1 8 TZZ00001...

Page 27: ...TZZ00001682A CUSHION die cut Carton 1 TZZ00001679A PE Bag For Set 1 TZZ00001478A Cable 1 MAIN SPK TZZ00001480A Cable 1 MAIN KEY TZZ00001477A Cable 1 MAIN POWER TZZ00001483A LVDS Cable 1 MAIN PANEL 3...