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Panasonic TC-L3252C, Руководство по обслуживанию

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26 

• 

Two (2) PWM outputs 

 

• 

Three (3) 2-signal UARTs 

 

• Maximum baud rate: 115200   

• 16550 compatible   

• Third UART is allocated to TVuC and shared with main CPU UART   

• 

Two (2) I2C master or slave interfaces 

 

• Maximum bitrate: 400 Kb/s   

• Master or slave mode   

• 

One (1) IR receiver, with hardware demodulation 

 

•

　

SPI interface 

 

• Up to 40 MHz clock rate   

• Suppports serial FLASH up to 16 MByte   

• Two (2) select signals for peripheral support   

• 

Integrated USB interface 

 

• One High Speed USB v2.0 port   

1.2.12. Security Features 

 

• 

Integrated One Time Programmable memory (OTP) 

 

• 8 Kb of One Time Programmable (OTP) secure memory   

• Used for secure storage:   

- HDCP Key Selection Vectors (KSVs)   

- Error Correction (ECC) Checksum and data   

• Readable ONLY by specific IROM instructions programmed into the SupraHD

® 

748  

• HDMI keys are encrypted with a proprietary Zoran encryption algorithm during the programming 

process  

1.2.13. Misc. IC Information 

 

•

　

25.000 MHz crystal input required to support standard ATSC timing 

 

 

 

 

 

 

 

 

 

 

 

 

Содержание TC-L3252C

Страница 1: ... Panasonic Corporation 2012 Unauthorized copying and distribution is a violation of law ORDER NO MTNC120449CE B01 Canada B61 LCD TV Model No TC L32C5 TC 32LC54 TC L32C5X TC L3252C ...

Страница 2: ... instructions and method of software upgrading 5 3 Working principle analysis of the unit 14 4 Block diagram 15 5 IC block diagram 16 6 Wiring diagram 28 7 Troubleshooting guide 30 8 Exploded View 34 9 Replacement Parts List 36 10 Boards Layout 39 ...

Страница 3: ...wise bad effect will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the module lest it should cause fire or electric shock due to contact with the high voltage or short circuit 2 6 Should there be smoke abnormal smell or sound from the module please shut the ...

Страница 4: ...creen as commonly called ghost shadow The extent of the residual picture varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may remain in the picture for a period of time several minutes But when operating it please avoid displaying still picture in high brightness for a long time 3 Points for attention during installation 3 1 The front panel of LCD scr...

Страница 5: ...nect the power and press power key Remote controller or Keypad button to turn on the TV a Test the pin voltage of P802 power board the data is shown in table1 Table1 voltage data of P802 For 32 P802 Pin1 2 Pin3 4 Pin5 6 7 Pin8 9 Pin10 11 Voltage GND 11 4V 12 6V GND 11 4V 12 6V 4 75V 5 25V For 32 Pin12 Pin13 Pin 14 Pin15 Pin16 On 2 5V 5 25V Off 0 0 5V Normal 0V 0 5V Abnormal Open drain On 2 5V 5 25...

Страница 6: ...ut AV signal and check the function Input HD signal and check the function of YPbPr Input VGA signal and check if the display is normal check the function analog control horizontal vertical center etc Input USB signal and check if the display is normal check the function analog control horizontal vertical center etc Input HDMI signal and check if the display is normal check the function analog con...

Страница 7: ...ces Component on LCD TV ASTRO 859 signal setting to NTSC M PG2 mode Timing 924 and Pattern 984 SMPTE Color Bar 4 1 2 Entering into factory Mode Press up or down key of remote control to select Source Calibration Press OK key to enter the item Source calibration performed automatically when finished that will show OK Repeat step 2 to do VGA input sources ASTRO 859 signal setting to1024X768 60Hz PG2...

Страница 8: ...ease R GAIN drive from default value Increase B GAIN drive from default value 3 If the x or y or both x and y value is are smaller than specification Decrease B GAIN drive from default value 4 According to a x and y value please following adjustment of 4 1 or 4 2 4 1 If x value is higher than spec Decrease R GAIN drive from default value Increase B GAIN drive from default value 4 2 If y value is h...

Страница 9: ... move high light item from Color Temperature Timer Clear Preset Channel NVRAM Clear Full Power Source Calibration Reset to Default RF Burn In USB F W Upgrade UART Enable Bypass Gamma The Timer Clear NVRAM Clear and Reset to Default items will have a check dialog yes or no to do or not Push Enter key can select high light item function Press left and right can adjust value Display panel Burn in Tim...

Страница 10: ...ource Calibration Source Calibration gain offset must be adjusted color by firmware automatic adjustment in PC Composite and Component input source This item will have a result dialog OK or NG 7 Reset to Default Reset all settings of OSD menu to default value Reset settings Channel table Model table H V Position Clock Phase Source dependent setting Contrast Brightness etc Common setting Volume Lan...

Страница 11: ...rizontal and vertical select Menu Setup Auto Adjust to perform auto correct Table5 VGA signal format FREQ PERIOD SYNC POLARITY PIXEL CLOCK Display SYNC WIDTH BACK PORCH Mode LINE kHz FRAME Hz LINE pixel FIELD lines LINE FIELD MHz LINE pixel FRAME lines LINE pixel FRAME lines LINE pixel FRAME lines VGA 60Hz 31 469 800 Negative 25 175 640 96 40 640x480 59 941 525 Negative 480 2 25 SVGA 60Hz 37 879 1...

Страница 12: ...Hz 720x480i 15 734 1716 Negitive 27 1440 124 114 59 94 525 Negitive 480 3 15 59 94Hz 720x480P 31 469 858 Negitive 27 720 62 60 59 94 525 Negitive 480 6 30 60Hz 1280x720P 45 1650 Positive 74 25 1280 40 220 60 750 Positive 720 5 20 60Hz 1920X1080i 33 75 2200 Positive 74 25 1920 44 148 60 1125 Positive 1080 5 15 60Hz 1920X1080P 67 5 2200 Positive 148 5 1920 44 148 60 1125 Positive 1080 5 36 24Hz 1920...

Страница 13: ...13 4 Upgrading is starting please wait for the progress finish 5 When the progress completed please follow the instruction to remove USB and restart by AC off then on ...

Страница 14: ...l via terminal socket sent to ZR39748 A D PC output R G B of 24 bit to back end module to Video decode de interlace and image scale then send to LVDS level drive for panel display Sound signal of PC terminal via matched resistance and sent to ZR39748 to bass adjust and volume control the sound signal will be transform into digital I2S signal and sent to digital amplifier BD5452AMUV 4 HDMI signal f...

Страница 15: ...15 SPC32T 32 Block Diagram 4 1 Block Diagram ...

Страница 16: ...s blending overlay Audio DSP Video Outputs Dual channel LVDS 1080p up to 10bpp miniLVDS RSDS 6 8bpp up to 330MHz LCD panel timing control signals TCON Audio Outputs One 1 stereo L R DDX differential One 1 stereo L R single ended DDX Optional up to four 4 more single ended DDX Optional up to three 3 I2S stereo pairs One 1 S PDIF System Processors Interfaces 300MHz system CPU TV microcontroller for ...

Страница 17: ...praHD 748 Figure 4 shows the video and audio input output options of the SupraHD 748 1 2 SupraHD 748 Features The following sub sections list the features of the SupraHD 748 per category Note that features unique to the BGA package are indicated with a BGA package designation while QFP package features are indicated with QFP package 1 2 1 Embedded Processing Unit High performance CPU Integrated hi...

Страница 18: ...zontal and vertical Image quality enhancements Noise reduction up to 1080p Temporal Spatial Impulse MPEG post processing De blocking Adaptive contrast control histogram based fully programmable Advanced Color Management 2D Horizontal luma peaking with coring Sharpness control Vertical and horizontal LTI Horizontal CTI Y C vertical peaking with adaptive coring Video scaling and composition Horizont...

Страница 19: ...information in distinct memory buffers Integrated high definition HD capture video inputs Color space conversion Downscaling to either 4 2 2 or 4 4 4 output to memory One 1 YPbPr input Up to 165MHz sample rate Up to 1080p Sync Modes sync on green SOG or luma SOY input mid point and sync tip clamping SOG or SOY inputs AC coupled Low pass filter 500 KHz Dynamic range 0 5 2 0V 1MOhm DC input impedanc...

Страница 20: ...t Horizontal and vertical flip support Integrated dual channel LVDS output for direct panel display support Supports up to 165MHz see below for miniLVDS speed 1080p output flat panel support 6 8 and 10 bit panel support Programmable PWM backlight control Spread spectrum clock generation 6 25 clock modulation Integrated Timing Controller TCON for direct panel timing control Up to 11 user programmab...

Страница 21: ...oran for left justified and right justified formats support One 1 S PDIF output Audio decode performed in either both the audio DSP and CPU Audio DSP allows for a significant level of audio post processing L R downmix for standard stereo digital or line level output Algorithms available for the following Dolby AC 3 Class A MPEG audio Layer 1 ISO 13818 3 Musicam MPEG audio Layer 2 ISO 13818 3 MP3 M...

Страница 22: ... YC separation for still image No loss in horizontal or vertical chroma detail No loss in horizontal or vertical luma detail Performs well both on real video images and on test patterns Adaptive horizontal PLL Automatically adjusts loop bandwidth for signal conditions Automatically detects VCR source and enters optimum tracking mode most decoders require a VCR mode bit to be set to optimally handl...

Страница 23: ...system functions Accepts 44 MHz from the tuner eliminating external base band demodulation IF AGC PWM output All digital recovery loops FEC statistics receiver status and channel data such as S N ratio equalizer taps carrier offset and more are available Adaptive selection of receiver Adaptive recovery loops based on channel conditions are used to achieve optimum reception for both high doppler ec...

Страница 24: ...trol Demodulator inputs One 1 differential IF pair for all tuner formats One 1 SIF sound IF for audio only formats 1 2 8 Memory Support 16 bit DDR2 interface 400MHz or 475 MHz Up to 1 87 GByte second peak memory throughput 400MHz DDR2 sufficient for WXGA designs 400MHz DDR2 sufficient for 1080p designs without TCON overdrive 533MHz DDR2 clocked at 475MHz sufficient for 1080p designs with TCON over...

Страница 25: ...cessing 32 bit RGB YCbCr 16 bit RGB 8 bit indexed with CLUT Graphics Block Transfer BLT Supports copy bit depth conversion and alpha blending of 8 16 and 32 bit pixel maps with 32 bit output Supports Porter Duff alpha blending formulas Alpha destination and alpha compare Point Line Rectangle Text and Trapezoid Draw functions Rectangle Fill function Graphics Unit Scaler GUS Support scaling and blen...

Страница 26: ...signals for peripheral support Integrated USB interface One High Speed USB v2 0 port 1 2 12 Security Features Integrated One Time Programmable memory OTP 8 Kb of One Time Programmable OTP secure memory Used for secure storage HDCP Key Selection Vectors KSVs Error Correction ECC Checksum and data Readable ONLY by specific IROM instructions programmed into the SupraHD 748 HDMI keys are encrypted wit...

Страница 27: ...27 ...

Страница 28: ...28 SPC32T 32 inch Wiring Diagram I BLOCK ...

Страница 29: ...29 II Wiring Connection CMI panel ...

Страница 30: ... range is 5m Is direct sunlight or strong artificial light shining on LCD TV s Infrared Remote Receiver Eliminate the light by closing curtains pointing the light in a different direction etc No image Check the connection between the external equipment and LCD TV When turning LCD TV on it takes within 12 seconds ATV mode to display the image Check the system that you select is corresponding with t...

Страница 31: ...w will help you to troubleshoot your Televison set with it doesn t display normally Each procedure offers a simple way to check for system errors Before starting ensure that there is a signal in and that the Televison is turned on 2 1 Power LED no light ...

Страница 32: ...32 2 2 Has audio but no video out 2 3 Has video but no audio out step 1 ...

Страница 33: ...33 2 4 Has video but no audio out step 2 ...

Страница 34: ... Exploded View 14 13 29 3 11 27 4 1 34 30 23 16 24 55 20 34 32 2 5 33 28 30 30 6 30 30 32 15 10 29 25 34 7 18 17 19 22 34 28 4 31 8 27 21 9 12 11 KEY PLATE ASSY NA PCBA IR B FIRMWARE M B PWR MODU 26 8 6 ...

Страница 35: ...37 38 40 39 41 42 43 44 35 36 50 48 47 49 51 46 45 ...

Страница 36: ...0000084A SCREW 4 30 TZZ00000086A SCREW 12 31 TZZ00000087A SCREW WASHER 2 32 TZZ00000088A TAPPING SCREW 4 33 TZZ00000089A TAPPING SCREW 1 34 TZZ00000091A SCREW 10 35 TZZ00000012A RATING NP 32LC54 1 32LC54 35 TZZ00000016A RATING NP KS L3252C 1 L3252C 35 TZZ00000053A RATING NP KS 1 L32C5 35 TZZ00000119A RATING NP L32C5X 1 L32C5X 36 TZZ00000014A CARTON 32C54 1 32LC54 36 TZZ00000063A CARTON L3252C 1 L3...

Страница 37: ...on Remrks 1 PCBA IR B Remote Receiver LED 2 FIRMWARE M B Main Board Audio Video Signal Processing 12 PWR MODU Power AD DC DC DC 16 KEY PLATE ASSY NA Control Button All boards are non servicable and should be exchanged for service 12 2 16 1 37 ...

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