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Panasonic TC-L39B6 Service Manual
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Panasonic TC-L39B6 Service Manual

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SERVICE MANUAL
LED TV
FILE NO
TC-L39B6
TC-L39B6X
TC-L39B6P
1

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Summary of Contents for Panasonic TC-L39B6

  • Page 1 FILE NO TC-L39B6 SERVICE MANUAL LED TV TC-L39B6X TC-L39B6P...

  • Page 2: Table Of Contents

    CONTENTS 1. Safety precautions ....................3 2. Alignment instructions and method of software upgrading........5 3. Working principle analysis of the unit ..............12 4. Specifications....................... 13 5. Block diagram ...................... 14 6. IC block diagram ....................17 7. Wiring diagram ....................24 8.

  • Page 3: Safety Precautions

    Attention: This service manual is only for service personnel to take reference with. Before servicing please read the following points carefully. Safety precautions 1. Instructions Be sure to switch off the power supply before replacing or welding any components or inserting/plugging in connection wire Anti static measures to be taken (throughout the entire production process!): a) Do not touch here and there by hand at will;...
  • Page 4 2.11 Special care must be taken in transporting or handling it. Exquisite shock vibration may lead to breakage of screen glass or damage to driving circuit. Therefore it must be packed in a strong case before the transportation or handling. 2.12 For the storage make sure to put it in a place where the environment can be controlled so as to prevent the temperature and humidity from exceeding the limits as specified in the manual.

  • Page 5: Alignment Instructions And Method Of Software Upgrading

    2. Alignment instructions (1) Test equipment VG-859 (YPbPr, VGA, HDMI signal generator) FLUKE 54200(TV signal generator) CA310 (white balancer) (2) Power test Connect main board, power board and IR board according the wiring diagram, connect 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 39”...
  • Page 6 (3) Alignment flow-chart The alignment flow-chart is shown as fig-1 Check if EDID, HDCP KEY, FLASH are written Combined test for general assembly Auto Gamma adjustment Connect to the center signal source and check each Function of TV (station leaking, analog control, etc.) Check the output of speaker.
  • Page 7 (4) Adjustment instruction At any input source then press the “←”, “EXIT” and “OK” (using RC within 1 sec) to enter factory mode During Factory menu, if “EXIT” key is pushed, system will exit factory mode. 4-1. Auto Gamma Adjustment & Check 4-2.1.
  • Page 8 (5) Items of Factory menu When in any source, press the “Left -> Exit -> OK” key of remote control can enter into factory mode. During Factory menu, only “EXIT” key is pushed, system will exit factory mode. Press up and down key can move high light item from Model Change -> Color Temp. Adjust -> Auto Gamma Adjust ->...
  • Page 9 7)ADC Calibration ADC Calibration function is reserved for calibration by hand (PQ engineer only). 8)Shipping reset 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, Language etc.), Parental Control (Rating, Password etc), Closed Caption.
  • Page 10 6-4 HDMI terminal Input HDMI signal (VG859 signal generator), separately input the signals listed in table6 and check the display and sound (32 KHz, 44.1 KHz, 48 KHz) at any situation (power on, channel switch and format convert, etc.) Table6 HDMI signal format HDMI 1/2/ PIXEL...
  • Page 11 6-5 other functions check a) Check the sleep timer, picture/sound mode, OSD, stereo and analog TV Teletext, etc. (7) Firmware update process (1) Plug the USB with the firmware file named upgrade_2013_NA_60.pkg (2) If system detect upgrade_2013_NA_60.pkg, USB upgrade message would appear automatically. (3) Press Up key to select Yes, and then press OK key to start the upgrading.

  • Page 12: Working Principle Analysis Of The Unit

    3. Working principle analysis of the unit 1. NTSC signals flow: Antenna signal will be send to tuner TDST-H021F, t h e n T u n e r w i l l b e demodulating and output standard video signal TV-CVBS, and sound SIF signal. TV-CVBS will send to the master control IC MT5385 to video decode, de-interlace and scaler, then output LVDS level drive for panel display.

  • Page 13: Specifications

    4. Specifications...

  • Page 14: Block Diagram

    SPD39T 39” Block Diagram 5-1 Block Diagram A70 60Hz Models by WXGA :2x10 MTK MT5835 Platform Full-HD :2x20 Panel out R_out Audio TAS5707 L_out DDR3 1G-1600 H5TQ1G63DFR-PBC Audio I2S output DTV system IC Flash 16MB MX25L12845EMI-10G MT5385 Keypad EEPROM 64KB 24C32 IF +/- Crystal...
  • Page 15 Power Board: FSP...
  • Page 16 Power Board: DARFON...

  • Page 17: Ic Block Diagram

    6. IC block diagram 1. MT5385 GENERAL FEATURE LIST Host CPU  ARM11 single core 700MHz  Floating Point Unit  16K I-Cache and 16K D-Cache for ARM11 core  128K L2 Cache  Boot ROM  Boot from serial flash, NAND flash ...
  • Page 18  DIVX3 / DIVX4 / DIVX5 / DIVX6 / DIVX HD  Full-HD 30P dual decoder AVS Decoder (option)  Jizhun profile @Level 6.2 (supports 4:2:0 format)  Full-HD 30P dual decoder RMVB Decoder (option)  RealVideo8/9/10  Full-HD 30P dual decoder VP6 Decoder (option) VP8 Decoder (option) ...
  • Page 19 Video Plane  Supports video freeze and over scan  Flesh tone management  Gamma correction  Color Transient Improvement (CTI)  2D Peaking  Saturation/hue adjustment  Brightness and contrast adjustment  Black and White level extender  Adaptive Luma management ...
  • Page 20  Supports 6/8/10-bit one-link, 6/8/10-bit dual-link LVDS transmitter  Built-in spread spectrum for EMI performance  Programmable panel timing output Mini-LVDS  Dual port 8-bit 6 pairs mini-LVDS output CVBS In  On-chip 54 MHz 10-bit video ADC  Supports PAL (B,G,D,H,M,N,I,Nc), NTSC, NTSC-4.43, SECAM ...
  • Page 21  Stereo demodulation, SAP demodulation  Mode selection (Main/SAP/Stereo) Audio DAC  Supports 2-pair audio DACs DRAM Controller  16-bit DDR2/DDR3 interface  Supports DDR2 1066Mhz, DDR3 1333Mhz  Supports 512Mb or 1Gb or 2Gb DDR2 and DDR3 DRAM device ...
  • Page 22 Digital TV (ATSC / Open-Cable) Demodulator  Compliant with ATSC digital television standard  Supports SCTE DVS-031 and ITU J.83 Annex B digital CATV standard  Accept direct IF (44 MHz or 43.75 MHz) and low IF (5.38 MHz)  NTSC interference rejection capability ...
  • Page 23 2. TI TAS5707 20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC...

  • Page 24: Wiring Diagram

    SPD39T 39-inch Wiring Diagram 7-1 BLOCK...
  • Page 25 7-2 Wiring Connection LG panel Main board to Panel Main board to Speaker SPD39T SPD39T Panel side LVDS cable Main board CN1 Main board CN4 Color Speaker Right 1 NC 1 SPK_OUTL+ Speaker + 2 NC 2 SPK_OUTL- Black Speaker - 3 NC Left 4 NC...
  • Page 26 20 R1CLKP Orange 33 TX_AOCKP 3 SAR0 Orange SAR0 21 GND Black 16 GND 4 SAR1 Yellow SAR1 22 R1DN White 32 TX_AO3N 23 R1DP Yellow 31 TX_AO3P 24 NC 25 NC 26 NC 27 NC 28 R2AN White 12 TX_AE0N 29 R2AP Black 11 TX_AE0P...
  • Page 27 44 GND Black 25 GND 45 GND Black 26 GND 46 GND Black 27 GND 47 NC 48 VCC 19 LVDS_PWR 49 VCC 20 LVDS_PWR 50 VCC 21 LVDS_PWR 51 VCC 22 LVDS_PWR...
  • Page 28 Main board to Power board:...
  • Page 29 8. Trouble shooting 1. Fault clearance Before calling your dealer or service center for assistance, check the matters below once again. (1) Make sure you have connected LED TV to your equipment as described in the section “ CONNECTING LED TV”. (2) Check cable connection.

  • Page 30: Troubleshooting Guide

    2. Troubleshooting guide The flow chart shown below 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...
  • Page 31 2-2 Has audio but no video out Has video but no audio out step 1...
  • Page 32 Has video but no audio out step 2...

  • Page 33: Schematic Diagram

    9.SCHEMATIC DIAGRAM --ELECTRON...
  • Page 34 PCB1 PCB1 MT5385 Power Tree (12V) AMP_VCC For AMP FB20 +12V SOT-23B SOP8 LMBT3904LT1G DMG4435SSS FB21 LVDS_PWR 5V_SW FB22 (LVDS_PWR_EN) For Panel (NC) (Option) (1.2V) +5VSB SOP8-T5 AX3518ESA VCCK POWER_EN VTV-L32616 REV:1 VTV-L32616 REV:1 (About 3.2A) (3.3V) AX1007E33A 3V3SB FIRMWARE FIRMWARE SOT-223 FW L32616...
  • Page 35 Buck Converter 4A (1.2V) POWER_EN +5VSB +3.3V_Standby power (3V3SB) VCCK CLS UPB201212T-121Y-N 5A CLS UPB201212T-121Y-N 5A AX3518ESA AX3518ESA SCD0403T-2R2M 2.2uH/3.8A SCD0403T-2R2M 2.2uH/3.8A 100mA CLS UPB201212T-121Y-N 5A CLS UPB201212T-121Y-N 5A 3V3SB +5VSB 10/1% 10/1% 10/1% 10/1% 15pF/50V/0402 15pF/50V/0402 AX1007E33A AX1007E33A 0.1uF/10V/0402 0.1uF/10V/0402 VOUT 332K/1%...
  • Page 36 AOSDATA0_1 AOSDATA0 33/0402 33/0402 AVDD3V3 Analog Normal Power AMP_BCK_1 AMP_BCK Add R99 33/0402 33/0402 22pF/50V/0402 22pF/50V/0402 ADAC_3V3 reserve for (Pin65) LED flash AMP_LRCLK_1 AMP_LRCLK AVDD3V3 AVDD33_DAC (Pin136) AVDD1V2 0.1uF/10V/0402 0.1uF/10V/0402 when AC-ON 33/0402 33/0402 22pF/50V/0402 22pF/50V/0402 0/0402 0/0402 AVDD33_MEMPLL AMP_MCK_1 AMP_MCK 0/0402 0/0402...
  • Page 37 DVDD3V3 SPI FLASH DVDD3V3 4.7K/1%/0402 4.7K/1%/0402 4.7K/1%/0402 4.7K/1%/0402 POCE0# DVDD3V3 POOE# PDD7 R140 R140 10K/0402/NC 10K/0402/NC POOE# NC/SIO3 SCLK DOUT HOLD# DVDD3V3 PDD6 POOE# PDD6 SI/SIO0 WP#/VPP PDD6 4.7K/1%/0402 4.7K/1%/0402 MX25L6406EM2I-12G/NC MX25L6406EM2I-12G/NC POCE0# POCE0# PDD7 PDD7 SO/SIO1/PO7 WP#/SIO2 MX25L12845EM1-10G SOP16 MX25L12845EM1-10G SOP16 0.1uF/10V/0402 0.1uF/10V/0402...
  • Page 38 SMTDR75-150K 15uH/2A SMTDR75-150K 15uH/2A SPK_OUTL+ 11 DVDD DVDD3V3 FB12 FB12 PBY160808T-300Y 3A PBY160808T-300Y 3A 3.3/1206/NC 3.3/1206/NC AMP_VCC C100 C100 C101 C101 C102 C102 C105 C105 C106 C106 C103 C103 C104 C104 C109 C109 C110 C110 0.1uF/50V 0.1uF/50V 0.1uF/50V 0.1uF/50V 0.1uF/50V 0.1uF/50V 0.1uF/50V 0.1uF/50V...
  • Page 39 Component input A/V input OPT SPDIF out R123 R123 SPDIF_OUT Close to IC Close to CONN. 47/1%/0402 47/1%/0402 1x5_CX_COMPO-AUDIO_SW_H8.5 1x5_CX_COMPO-AUDIO_SW_H8.5 2/1 Modify CVBS0P C143 C143 Y-V_IN 5V_SW C170 C170 CVBS0P 100/1%/0402 100/1%/0402 100pF/25V/0402/NC 100pF/25V/0402/NC 47nF/16V/0402 47nF/16V/0402 FB16 FB16 10/1%/0402 10/1%/0402 PBY160808T-300Y 3A PBY160808T-300Y 3A SOY0...
  • Page 40 WXGA A2006WV0-2X10P (PIN21~PIN40) A2006WV0-2X20P (PIN1~PIN40) A2006WR0-2X20P A2006WR0-2X20P TX_AO0P TX_AO0N TX_AO0P TX_AO0N P-TWO 30P 1.00MM/NC P-TWO 30P 1.00MM/NC TX_AO1P TX_AO1N TX_AO1P TX_AO1N LVDS_PWR TX_AO2P TX_AO2N TX_AO2P TX_AO2N TX_AOCKP TX_AOCKN TX_AOCKP TX_AOCKN TX_AO3P TX_AO3N R128 R128 TX_AO3P TX_AO3N TX_AO3P 4.7K/NC 4.7K/NC TX_AO3N TX_AO4P TX_AO4N TX_AO4P...
  • Page 41 RDQ0 RDQ0 RDQ1 DDR3#1 RDQ1 Damping and Termination for CLK RDQ2 1Gb DDR3-1600 for H5TQ1G63DFR-PBC RDQ2 RDQ3 RDQ3 RDQ4 RDQ4 RDQ5 RDQ5 RDQ6 H5TQ1G63DFR-PBC_MTK H5TQ1G63DFR-PBC_MTK RDQ6 Close to Mainchip Close to DRAM RDQ7 RDQ7 RDQ8 RDQ8 RDQ9 RDQ9 RDQ0 B_A0 RCLK0 RDQ10 RDQ10...
  • Page 42 R149 R149 HDMI_CEC HDMI_CEC For ESD Test 100/1%/0402 100/1%/0402 HDMI port 1 RX0_2 RX0_2 RX1_2 QTC24CG900U QTC24CG900U RX0_2B TMDSD2+ RX0_2B RX1_2B RX0_1 DSHLD0 RX0_1 RX0_1B TMDSD2- RX0_1B RX1_1 QTC24CG900U QTC24CG900U RX0_0 TMDSD1+ RX0_0 HDMI_PLUGPWR1 RX1_1B RX0_0B DSHLD1 RX0_0B RX0_C TMDSD1- RX0_C RX1_0 QTC24CG900U...
  • Page 43 +3.3V_TUNER_1 +3.3V_TUNER FB18 FB18 +3.3V_TUNER Depend on tuner SPEC. PBY160808T-300Y 3A PBY160808T-300Y 3A C187 C187 C188 C188 C189 C189 R170 R170 4.7K/1%/0402 4.7K/1%/0402 R171 R171 4.7K/1%/0402 4.7K/1%/0402 TDST-H020F TDST-H020F 0.1uF/10V/0402 0.1uF/10V/0402 330pF/50V/0402 330pF/50V/0402 10uF/10V/0805 10uF/10V/0805 TUNER_CLK R173 R173 100/1%/0402 100/1%/0402 SCL_TUNER SCL_TUNER TUNER_DATA...
  • Page 44 DVDD3V3 R186 NC if change ACD DTC AMP_VCC C226,C227 for R185 R185 EMI solution 22K/0402/NC 22K/0402/NC R186 R186 4.7K/0402 4.7K/0402 C206 C206 C226 C226 R217 R217 22uF/16V/1206 22uF/16V/1206 10nF/25V/0402 10nF/25V/0402 +12V C227 C227 10nF/25V/0402 10nF/25V/0402 (12V PANEL) AC Drop_DET LVDS_PWR C207 C207 10uF/10V/0805...
  • Page 45 SCHEMATIC DIAGRAM...
  • Page 46 CCM1 CCM1 CC-12DP7.5-R CC-12DP7.5-R 604KF 604KF R0603 R0603 SF53G SF53G RM10 RM10 D17.5 D17.5 CD4148WSN CD4148WSN R1206 R1206 D0805 D0805 604KF 604KF R0603 R0603 CEM7 CEM7 RM34 RM34 RM33 RM33 RM11 RM11 82uF/100V 82uF/100V EMI CIRCUIT CE-10X20 CE-10X20 R1206 R1206 R1206 R1206 604KF...
  • Page 47 DR10 DR10 SR3150 SR3150 L11.5DP6 L11.5DP6 D17.5 D17.5 BL_ERR 12V1 RL27 RL27 BF10 BF10 205K 205K CL16 CL16 RL18 RL18 BF10 BF10 R1206 R1206 RL51 RL51 104/100V 104/100V RL31 RL31 RL35 RL35 D0805 D0805 CEL2 CEL2 C0805 C0805 R0805 R0805 R0805 R0805 22U/160V...
  • Page 48 SECONDARY PRIMARY P801 F101 TH101 LF101:2 LF102:2 HER303G SCK015 1.2M 220uF,50V 4.0A H,250V 8LM02926 8LM02926 D905 39V/1.7A N.C. R105 C131 T101:11 C920 VS101 VLED 1.2M UF4007 N.C. 30K 30K R106 CY102 D101 R121 CY105 R103 1.2M D906 U101 KBJ406G 4148 N.C.
  • Page 49 60uH SR3100 56uF,100V D903 L901 C901 L901:4 L901:1 VLED N.C. N.C. C903 4148 R901 C904 D907 R902 110K R920 R903 100K R925 2N7002 Q902 110K 4148 LED1+ R904 D908 C902 LED2+ R938 LED3+ 200K LED4+ MDD1903 P803 Q901 R936 R905 N.C.
  • Page 50 APPENDIX-A: Main assembly SPD39T (TC-L39B6) Version: 01 Part Number REF. Remarks Description Chassis no: SPD39T Qty. Product no: SPD39TTA010 Product no: SPD39TTA101 SKD PCBA IR/B 454C4070L01 454C4070L01 PCBA KEY/B 454C4770L01 454C4770L01 FIRMWARE M/B 461C6270L11 461C6270L11 LCD MODU AC6VT3900R1 SPK SET...
  • Page 51 LCSE55T020I LCSE55T020I SCREW+LOCK WASHER(8) MAA8002040I MAA8002040I SCREW MAAT40001ZI MAAT40001ZI TAPPING SCREW MAB300001ZI MAB300001ZI TAPPING SCREW MABA000120I MABA000120I RATING NP-TC-L39B6 EJ4PD39000I EJ4PD39000I CARTON-TC-L39B6 HB4PD39011I ENERGY GUIDE HGPD390000I HGPD390000I ZIPPERED BAG HK3OL77801I HK3OL77801I PE BAG FOR TV HK3PE39001I HK3PE39001I Type B screw...
  • Page 52 SPD39T (TC-L39B6X) Version: 01 Part Number REF. Description Chassis no: SPD39T Qty. Remarks Product no: SPD39TTX010 Product no: SPD39TTX101 SKD PCBA IR/B 454C4070L01 454C4070L01 PCBA KEY/B 454C4770L01 454C4770L01 FIRMWARE M/B 461C6270L12 461C6270L12 LCD MODU AC6VT3900R1 SPK SET CG101023P0I CG101023P0I H-CON SET DC02A00300I DC02A00300I H-CON SET...
  • Page 53 SCREW+LOCK WASHER(8) MAA8002040I MAA8002040I SCREW MAAT40001ZI MAAT40001ZI TAPPING SCREW MAB300001ZI MAB300001ZI TAPPING SCREW MABA000120I MABA000120I RATING NP-TC-L32B6X EJ4PD32050I EJ4PD32050I CARTON-TC-L39B6X HB4PD39021I ZIPPERED BAG HK3OL77801I HK3OL77801I PE BAG FOR TV HK3PE39001I HK3PE39001I Type B screw SCRW-SEMS-W MAA7000130I MAA7000130I Type A screw SCREW MAAF50001ZI MAAF50001ZI...
  • Page 54 SPD39T (TC-L39B6P) Version: 01 Part Number REF. Remarks Description Chassis no: SPD39T Qty. Product no: SPD39TTP010 Product no: SPD39TTP101 SKD PCBA IR/B 454C4070L01 454C4070L01 PCBA KEY/B 454C4770L01 454C4770L01 FIRMWARE M/B 461C6270L12 461C6270L12 LCD MODU AC6VT3900R1 SPK SET CG101023P0I CG101023P0I H-CON SET DC02A00300I DC02A00300I H-CON SET...
  • Page 55 SCREW+LOCK WASHER(8) MAA8002040I MAA8002040I SCREW MAAT40001ZI MAAT40001ZI Change from 10 to 4 TAPPING SCREW MAB300001ZI MAB300001ZI Change from 4 to 12 TAPPING SCREW MABA000120I MABA000120I Change from 9 to 14 RATING NP-TC-L39B6P EJ4PD39030I EJ4PD39030I Change from 8 to 1 CARTON-TC-L39B6P HB4PD39030I ZIPPERED BAG HK3OL77801I...

  • Page 56: Appendix-B: Exploded View

    APPENDIX-B: SPD39 Exploded View...
  • Page 57 Type A Type B...

  • Page 58: Disassembly And Assembly Instructions

    11 Disassembly and Assembly Instructions 11.1. PEDESTAL 1. Lay down the unit so that the rear cover faces upward. 2. Remove the 4 screws. 3. Remove the Pedestal_assy 11.2. Back cover 1. Remove the 20 screws. 2. Remove the Back cover.
  • Page 59 11.3. P-Board 1. Remove the 4 screws. 2. Disconnect the key board connectors (P1) & P-board connectors (PW P1, PW P2) 3. Remove the P-Board. 4. Remove the key button bracket assy & key board.
  • Page 60 11.4. M-Board 1. Remove the 2 screws. 2. Disconnect the connectors (M1,M2, M3,M4). 3. Remove the M-Board. & Side AV Bracket 11.5. Speaker unit 1. Remove the speaker units. 2. Remove the 4 screws. 3. Remove the speaker bracket x 4pcs.
  • Page 61 11.6. Metal parts 1. Remove the 4 screws. 3. Remove the metal (METAL_BRACKET_BOTTOM). 3. Remove the 2 metal (LCD_MTG_SIDE). 11.7. Bottom cover 1. Remove the 2 screws. 2. Remove the Bottom cover.
  • Page 62 11.8. IR-Board 1. Disconnect the connectors (IR P1). 2. Remove the IR-Board. 11.9. LED Panel 1. Remove the LED panel.
  • Page 63 PD39T SERVICE MANUAL CHANGE LIST DATE Page VERSION CHANGE ITEM 50-55 Update the APPENDIX parts list 26 / Feb. 2013...

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