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8 Auto diagnosis feature TOP PREVIOUS NEXT This receiver incorporates a new self diagnosis feature. With this new feature will be easier for the technician to detect the failures. There is a LED located by the keyboard on the front panel, this LED will start flashing when a failure is detectedby the circuits located in specific areas, depending on how many times the LED is flashing, this will tell you what circuit should be checked.
This CTV has a feature that allows to clone or back-up main EEPROM data adjustments from a CTV to other by connecting a jig to the CTV set. A jig part number TXFJIG01SER, is available through Matsushita/Panasonic Services. Preparation: To connect this jig, remove the lower back cover as instructed on disassembly for service section on this service manual and insert the jig into A15 connector located on the A-Board.
12 Chassis service adjustment procedures TOP PREVIOUS NEXT All service adjustments are factory preset and should not require adjustment unless controls and/or associated components are replaced. 140.0_V B+ voltage check 1. Set the BRIGHT and PICTURE to minimum by using the PICTURE menu. 2.
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14 Service mode (electronic adjustments) TOP PREVIOUS NEXT This receiver has electronic technology using the IC bus concept. It performs as a control function and it replaces many mechanical controls. Instead of adjusting mechanical controls individually, many of the control functions are now performed byusing “on screen display menu”. (The service adjustment mode).
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NOTE Some adjustments are available only in some modes (480i, 480p, 1080i); it is needed to apply the format. A 1080i, 480p, 480i pattern can be obtained from Panasonic’s TU-DST51 set-top box DTV decoder. Exiting the service mode: This TV goes out from service mode when it is unplugged or turned OFF. To exit the service mode, turn the TV OFF or unplug the TV from A.C.
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FA1 (A15 pin 2) to cold ground (A-Board). The receiver enters the aging mode. Yellow letters “CHK” appear in the upper left corner of the screen. (The volume right/left and channel up/down will adjust rapidly). 14.1 Service adjustment default values for service items 14.2 Instructional flow chart for service mode TOP PREVIOUS NEXT http://schema99.host.sk/...
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14.1 Service adjustment default values for service items TOP PREVIOUS NEXT REGISTER DESCRIPTION FORMAT NTSC 480p (16:9) 1080i (16:9) 1080i (4:3) MTSIN INPUT LEVEL SEPAL LOW LEVEL SEPARATION SEPAH HIGH LEVEL SEPARATION CLOCK CLOCK COLOR COLOR TINT TINT BRIGH SUB-BRIGHTNESS CONT SUB-CONTRAST B-Y_G...
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SOSSW ---------------- NOTE: The above table shows the default values for the service items, this values can change depending on the serviced TV. TOP PREVIOUS NEXT http://schema99.host.sk/...
R3128 L OUT 1 IC2201 L OUT C3126 R3126 IC3001 R OUT C3185 R3185 A/V SWITCH R OUT 1 R3107 R3108 R3172 R3101 R3103 C3108 C3107 C3172 C3103 C3101 A-BOARD A/V 3 G-BOARD DV-BOARD A/V 4 CT-32HC14J/UJ AUDIO BLOCK DIAGRAM...
R OUT 1 OUT B R3184 IC2451 SOUND IC3002 PROCESSOR R3185 A/V SWITCH R3178 C2451 R2452 L OUT 1 OUT A VAO L R3172 R3173 R2324 C2330 R2325 C3174 C3172 R2342 C2332 R2348 VAO R JACKS V -BOARD CT-32HC14J/UJ AUDIO BLOCK DIAGRAM...
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C2371 Q2452 IN R MUTE OUT R IC2302 AUDIO OUT R2335 C2375 R2452 L2332 Q2451 IN L OUT L R2333 R2338 R2325 IC2304 H-BOARD R2348 VAO MUTE FROM MPU AUDIO MUTE CIRCUIT AUDIO MUTE FROM MPU CT-32HC14J/UJ AUDIO BLOCK DIAGRAM...
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SUB PB PBOUT2 VIN1 C-IN SUB PR R 3121 SC_M PROUT2 VIN2 DV-BOARD IC5102 CONVERTER MAIN CC SUB CC RIN GIN BIN CVBS1 CVBS0 IC4002 IOR IOG IOB IC5001 CONTROLLER RX0- RX0+ RX1- RX1+ RX2- RX2+ CT-32HC14J/UJ VIDEO BLOCK DIAGRAM...
YUV OUT Main Signal Processing UV0,UV1 255-256 VIN3 RO 0-9 4-11 VIN1 VIN2 ROUT RGB DRIVER GOUT BOUT B OSD G OSD R OSD MAIN CC SUB CC CVBS1 CVBS0 OSD B OSD G IC4002 OSD R CT-32HC14J/UJ VIDEO BLOCK DIAGRAM...
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YIN 0-9 38-47 154-145 Global Core Sub Signal Processing UV IN/OUT UV IN/OUT UVIN 0-9 UVOUT 0-9 24-33 168-159 YUV OUT YUV OUT YUV 0-9 UV0,UV1 255-256 190-181 RO 0-9 4-11 DG-BOARD ROUT GOUT BOUT R OSD CT-32HC14J/UJ VIDEO BLOCK DIAGRAM...