Sony KD-49X7 D Series Service Manual
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Sony KD-49X7 D Series Service Manual

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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL (COMMON)
SERVICE MANUAL (COMMON)
Version
Date
Subject
1
06/2016
1
2
08/2016
Add Appendix 1 : Reset vs. Factory Reset ( pg 168 )
st
Issue.
GN2TR
CHASSIS
Segment: QEL
LCD TV
9-888-701-02
For SM - Unique , please refer :
q
, p
9-888-701-Px ( Asia)
9-888-701-Ax ( America)
9-888-701-Ex ( Europe )
9-888-701-C1 ( China )
9-888-701-Jx ( Japan )

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Summary of Contents for Sony KD-49X7 D Series

  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL (COMMON) SERVICE MANUAL (COMMON) GN2TR CHASSIS Segment: QEL Version Date Subject 06/2016 Issue. 08/2016 Add Appendix 1 : Reset vs. Factory Reset ( pg 168 ) LCD TV 9-888-701-02 For SM - Unique , please refer : 9-888-701-Px ( Asia) 9-888-701-Ax ( America) 9-888-701-Ex ( Europe )
  • Page 2 SERVICE MANUAL (COMMON) GN2TR CHASSIS Segment: QEL LCD TV...
  • Page 3 MODEL LIST THIS SERVICE MANUAL CONTAINS COMMON INFORMATION FOR BELOW REGIONS AND MODELS: REGION ASIA AMERICA EUROPE CHINA JAPAN MODEL KD-49X7*D KD-55X7*D KD-49XD7* KD-55XD7* KJ-49X7*D XBR-55X7*D XBR-49X7*D...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Section Title Page Section Title Page 4. SERVICE ADJUSTMENTS 1. SAFETY NOTES How to Enter Service Mode ............. Warnings and Caution………………………………………………………. Software Version ……………....……….……………………… Caution Handling of LCD Panel ..……………........Serial Number Edit ………………..………………………………..…….. Caution About the Lithium Battery……………......... Model Number Setting ………….…..……………………………………...

  • Page 5: Safety Notes

    Replace these 8) Use care when handling the wires or connectors of the inverter circuit. components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are Damaging the wires may cause a short circuit.

  • Page 6: Caution About The Lithium Battery

    1-3. Caution About the Lithium Battery 1-5.Leakage Test 1) Danger of explosion if battery is incorrectly replaced. Replace only with (To protect electric shock when customer touch the terminal.) the same or equivalent type. Leakage current can be measured by V: Voltmeter or oscilloscope (r.m.s. or 2) Outer case broken battery should not contact to water.

  • Page 7: How To Find A Good Earth Ground

    1-8. Handling the FLEXIBLE FLAT CABLE (FFC) 1-6. How to Find a Good Earth Ground  When you insert / pull out FFC, please grasp a reinforcement board and main 1) A cold-water pipe is a guaranteed earth ground; the cover-plate retaining body of FFC.
  • Page 8 <PULL OUT> <INSERTION> Press release button at the same time pull out FFC cable Insert properly without slanting...

  • Page 9: Assemble And Dissemble Tuner Module

    1-9. Assemble and Dissemble Tuner Module Tuner Module treatment way For removing Tuner Module, 1. The insertion & extraction angle of the module is permitted to After un screwed, Automatically the Module specified degree for connector will float to correct degree. So please extract it with keeping this degree.

  • Page 10: Self Diagnostic Function

    SECTION 2 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the Smart Core Red LED will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the Smart Core Red LED flash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 11 Record Only QM-L/QH-L/QH2/QE-L/QE Item <B/Tu> Tuner & Demodulator I2C communication failure TU_DEMOD Tuner board set detect Blue italic: detect at startup sequence only. <G>: Power supply board, <B>: Main board, TCON_ERR None <T>: T-con board, <TE>: Temp Censor board, <LD> LD board (if AC adapter model, it would power <T>...
  • Page 12 Entry (Self Diagnosis Display) - Go to the standby by a remote. - Push the buttons sequentially: Error count <Display><5><Vol-><Power> Error Item SELF CHECK Exit -If you want to finish service mode app, do AC OFF/ON << →*Service mode app is disable perfectly MAIN POWER 000000000000 000000000000...
  • Page 13 Triage Chart Before you make the service call… 1. Confirm the symptom from the customer. Chart Color Code 2. Select that symptom from the chart. RED DOT: Most likely defective part 3. Bring all the boards and cables listed for that symptom. BLUE TRIANGLE: Secondary possible defective part 4.

  • Page 14: Troubleshooting

    SECTION 3 TROUBLESHOOTING Item Item 1.0 No Power - PSU 4.0 No Picture: All models No Picture: VIDEO Component/CVBS/SCART Analog 1.2 No Power -u-Com Failure Signal Path 1.3 No Power - DDCON/LDO 4.2 No Picture: VIDEO 1.4 No Power - Main Device Failure 4.3 No Picture: Component/SCART 1.5 No Power - Main Device Replacement 4.4 No Picture: Tuner...

  • Page 15: No Power

    1.0 No Power – PSU...
  • Page 16 1 No Power BFM Board Model with G* board with AC-ADP No Power No Power Check STBY 3.3V Check 19.5V Replace Replace LD Board or C413 C401 Between LD Board to Between G* Board to G* Board AC Adaptor near CN400 near CN400 BFM Board Harness BFM Board Harness...
  • Page 17 1 No Power BM2/DPA Board Model with AC-ADP with G* board No Power No Power Check 24V Check STBY 3.3V LD Board Replace Replace C485 C497 Between LD Board to G* Board Between G* Board to near CN401 near CN401 AC Adaptor DPA Board Harness DPA Board Harness...
  • Page 18 1.2 No Power – μ-Com Failure...
  • Page 19 1.2 No Power u-com Failure BFM Board Model P-on u-com control signal path summary B-Board OPWRSB #pin2 +3.3V_STBY #pin1 ORESETB #pin12 AC_OFF_INFO Vdd Ucom SOC Muffin 2 (IC1000) #pin5 supply PANEL_PWR_ON voltage #pin10 X_SYSTEM_RST Tuner (CN2800) #pin16 BL_ON P_ON_VBUS #pin18 #pin1 DDC: +5.0V_VBUS (IC402) G-Board or LD...
  • Page 20 1.2 No Power u-com Failure BFM Board Model START Check MAIN_VCC Check VDD Check +12V_MAIN Line R437 Voltage. Check +3.3V_STBY C419 Voltage. (G board, LD or IC409). Is the voltage >1.6V? C413, CN400 #24pin Is the voltage >3.0V? Check P_ON_VBUS Check DC_OFF_DET Check DC_OFF_DET P-on ucom #pin11...
  • Page 21 1.2 No Power u-com Failure BFM Board Model Cont… Check P_ON_#2 P-on ucom #pin14 Change IC401 Is the voltage >3.0V? Check ORESETB P-on ucom #pin12 Change IC401 Is the voltage >3.0V? Check X_SYSTEM_RST P-on ucom #pin16 Change IC401 Is the voltage >3.0V? If BL_MUTE (R435) is 0V Check BL_ON Change IC401...
  • Page 22 1.2 No Power u-com Failure BFM Board Model DC_OFF_DET check START Check DC_OFF_DET R420 IC400 is working OK Is voltage < 3V? Check Vdd C418 Change IC400 Is voltage < 5V? IC400 is working OK...
  • Page 23 1.2 No Power u-com Failure BM2/DPA Board Model P-on u-com control signal path summary BM2 or DPA Board OPWRSB #pin2 +3.3V_STBY #pin1 ORESETB #pin12 AC_OFF_INFO Vdd Ucom SOC Muffin 2 (IC1000) #pin5 supply PANEL_PWR_ON voltage #pin10 X_SYSTEM_RST Tuner (TU2801 , TU2802, TU2803) #pin16 BL_ON P_ON_VBUS...
  • Page 24 1.2 No Power u-com Failure BM2/DPA Board Model START Check MAIN_VCC Check VDD Check +12V_MAIN Line R437 Voltage. Check +3.3V_STBY C419 Voltage. (G board or IC403 on DPA). Is the voltage >1.6V? C402, CN400 #1pin Is the voltage >3.0V? Check P_ON_VBUS Check DC_OFF_DET Check DC_OFF_DET P-on ucom #pin11...
  • Page 25 1.2 No Power u-com Failure BM2/DPA Board Model Cont… Check P_ON_#2 P-on ucom #pin14 Change IC401 Is the voltage >3.0V? Check ORESETB P-on ucom #pin12 Change IC401 Is the voltage >3.0V? Check X_SYSTEM_RST P-on ucom #pin16 Change IC401 Is the voltage >3.0V? If PANEL_PWER_ON (R433) is 0V Check X_BE_RST Change IC401...
  • Page 26 1.2 No Power u-com Failure BM2/DPA Board Model DC_OFF_DET check START Check DC_OFF_DET R420 IC400 is working OK Is voltage < 3V? Check Vdd C418 Change IC400 Is voltage < 5V? IC400 is working OK...
  • Page 27 1.3 No Power DDCON/LDO...
  • Page 28 1.3 No Power DDCON/LDO BFM Board Model Check item summary IC Ref Voltage supply Output ref. Enable pin Enable source Fuse Vcc ref. IC402 +5.0V_VBUS C430 R455 P-on ucom IC401 #pin11 F400 C423 IC403 +3.3V_DDC_OUT C444 R467 R464 (19.5 or 12.5V) F401 C436 IC404...
  • Page 29 1.3 No Power DDCON/LDO BFM Board Model DDCONs check Please refer page-28 for Ref number. IC Ref Voltage supply START IC402 +5.0V_VBUS Check fuse IC403 +3.3V_DDC_OUT F4xx F6xx Change Fuse IC404 +5V_MAIN Is fuse OK? IC405 +1.8V_TU IC409 +12V_MAIN (AEP/J AC-ADP only) Check Vcc voltage Check POWER_ON P-on ucom #pin19...
  • Page 30 1.3 No Power DDCON/LDO BFM Board Model IC Ref Voltage supply DDCON check IC601 +1.5V_DDR START Check IC404Vcc voltage Check Vcc voltage Check C454 Change D600 C602 D600 Is voltage >12V? Is voltage >3V? Is diode ? Check +3.3V_STBY. G board or IC403 Check Vcc voltage Check C602...
  • Page 31 1.3 No Power DDCON/LDO BFM Board Model LDOs check Pleas refer page-28 for Ref number. IC Ref Voltage supply START IC602 +1.05V_M2_STBY Check +3.3V_DDC_OUT Check Vcc voltage IC603 +1.05V_M2_A_1 DDCON (IC403) C6xx IC605 +1.05V_M2_ST_ET Is voltage >3V? +3.3V_STBY (Gx board) IC606 +1.05V_M2_A_2 Check Enable pin...
  • Page 32 1.3 No Power DDCON/LDO BM2/DPA Board Model Check item summary Board IC Ref Voltage supply Output ref. Enable pin Enable source Fuse Vcc ref. +12V_MAIN (AC-ADP IC403 C436 R422 P-on ucom IC401 #pin19 F401 C414 only) IC408 +3.3V_STBY C445 R473 R472 (24V) F404 C442...
  • Page 33 1.3 No Power DDCON/LDO BM2/DPA Board Model DDCONs check Please refer page-32 for Ref number. Board IC Ref Voltage supply IC403 +12V_MAIN (AC-ADP only) START IC408 +3.3V_STBY (AC-ADP only) IC409 +3.3V_MAIN Check fuse F4xx / F40xx/F6xx Change Fuse IC4001 +1.5V_BE Is fuse OK? IC4002 +1.1V_BE...
  • Page 34 1.3 No Power DDCON/LDO BM2/DPA Board Model Board IC Ref Voltage supply IC601 +1.5V_DDR DDCON check START Check IC404 Vcc voltage Check Vcc voltage Check C454 Change D600 C602 D600 Is voltage >12V? Is voltage >3V? Is diode ? Check +3.3V_STBY. G board or IC408 on DPA Check Vcc voltage Check...
  • Page 35 1.3 No Power DDCON/LDO LDOs check BM2/DPA Board Model Please refer page-32 for Ref number. Board IC Ref Voltage supply START IC4004 +1.8V_BE IC602 +1.05V_M2_STBY Check +3.3V_DDC_OUT Check Vcc voltage Check +3.3V_DDC_OUT DDCON (IC409) C4xxx C6xx IC603 +1.05V_M2_A_1 DDCON (IC409) Is voltage >3V? +3.3V_STBY (Gx board) IC605...
  • Page 36 1.4 NO POWER – Main Device Failure...
  • Page 37 1.4 NO POWER – Muffin2 Failure Muffin2 Fail Suspected Muffin2 LOG is Write DDR check Replace DDR Is there DDR error? displayed bootloader Check Muffin Log Power uCom and Follow 1.2&1.3 Replace eMMC related to eMMC DDCON/LDO OK? Is there “CRC error” Crystal X1000 Replace crystal Store SW log, check SW...
  • Page 38 1.5 NO POWER – Main Device Replacement TV Business Division...
  • Page 39 1.5 NO POWER – Muffin2 Replacement Muffin2 replacement flow Data on eMMC need to be erase first eMMC erase before changing Muffin If cannot be erased, erase after replacing Muffin2 replacement Muffin SW write...

  • Page 40: Led Blinking

    2.0 LED Blinking: 2x (Main power Error) TV Business Division...
  • Page 41 2.0 LED Blinking: 2x (Main power Error) BFM（G* Board model） BFM（AC adapter model） 2-time blinking 2-time blinking Check Check “+12V_MAIN_IN” Check “+12V_Main” “+19.5_12.5V_MAIN” at pin 11/13 of CN400 on R516 or R517 G* Board At pin 15/16 of CN400 AC adapter on BFM Board, on BFM Board, on BFM Board,...
  • Page 42 Check point for BFM BFM (A side) Detail 1 Detail 2 CN400 CN400 +12.5V_Main IC409 +19.5_12.5V_MAIN IC409 +12.5V_MAIN_IN TV Business Division...
  • Page 43 2.0 LED Blinking: 2x (Main power Error) BM2+DPA（G* Board model） 2-time blinking Check “+12V_MAIN” at pin 11/13 of CN400 G* Board on BM2 Board, Voltage > 13.2V ? BM1 Board TV Business Division...
  • Page 44 Check point for BM2 Name B* board (A side) Detail CN400 +12V_MAIN...
  • Page 45 2.1 LED Blinking: 3x (DC Alert & Communication Error) TV Business Division...
  • Page 46 Detail of 3x LED Blinking Error Item Number of STBY Description LED flashing Trinity DC_ALERT Main board 5V power rail monitoring AUD_ERR Audio amp error detection Trinity Board: BFM or BM2+DPA; TV Business Division...
  • Page 47 2.1 LED Blinking: 3x (DC Alert Error) BM2+DPA 3-time blinking Check +5.0V_VBUS at “C431” Audio Error 4.959V<Voltage<5.285V? IC402,etc (B* Board) TV Business Division...
  • Page 48 Check point for BFM Board name Board PWB (A side) Detail +5.0V_VBUS at “C431” TV Business Division...
  • Page 49 Check point for BM2 Board name Board PWB (A side) Detail +5.0V_VBUS at “C431” TV Business Division...
  • Page 50 2.2 LED Blinking: 3x (Audio Error) TV Business Division...
  • Page 51 Detail of 3x LED Blinking Error Number of Description Item STBY LED flashing Trinity DC_ALERT Main board 5V power rail monitoring AUD_ERR Audio amp error detection Trinity Board: BFM or BM2+DPA; TV Business Division...
  • Page 52 2.2 LED Blinking: 3x (Audio Error) LED 3x blinking (Audio Error) (1) B-PWB VDD-GND short ? Replace B-K Harness Measure the Speaker Replace OK ? impedance by multi-meter Power Off Speaker (2) B-PWB Replace* Less than 3Ω ? Check +3.3V_Audio short ? B-PWB Replace G-PWB* Speaker Harness...
  • Page 53 Check point for BFM (1) VCCP-GNDP short check Name B* board (A side) Detail Measure impedance between at capacitor C3267. If impedance is <100Ω → NG (3) Fuse open check Measure impedance of fuse F3201 (with 12.5V); If fuse open → NG F3201 C3267 TV Business Division...
  • Page 54 Check point for BFM Name B* board (A side) Detail R478 (2) +3.3V_Audio out short check Measure impedance between R478(any end) and GND. If impedance is <100Ω → NG TV Business Division...
  • Page 55 Check point for DPA (1) PVDD-GND short check Name B* board (A side) Detail Measure impedance between PVDD and GND at capacitor C3249, C3267. If impedance is <100Ω → NG F3201 C3249 C3267 F3202 (3) Fuse open check Measure impedance of fuse F3201, F3202 (with 12.5V) If fuse open →...
  • Page 56 Check point for DPA Name B* board (A side) Detail C481 (2) +3.3V_Audio short check Measure impedance between +3.3v_audio and GND at C481. If impedance is <100Ω → NG TV Business Division...
  • Page 57 2.3 LED Blinking: 4x (LD Voltage Error) TV Business Division...
  • Page 58 2.3 LED BLINKING 4x (LED Voltage Error) BM2+DPA: 4-time blinking Check “LD_ERR” “L” Replace the LD Board R4441(page DPA Board on the DPA Board “H” 4KBE SW or BM2 Board DPA Board TV Business Division...
  • Page 59 Check point for DPA board Name B* board (A side) Detail R4441...
  • Page 60 2.3 LED BLINKING 4x (BCM Error) BM2+DPA: 4-time blinking Ground Impedance of Replace Replace BE_SCL1/SDA1_LD LD board R5053/R5054 LD board on the DPA Board 4KBE SW or BM2 Board Resistor broken 4KBE SW or BM2 Board TV Business Division...
  • Page 61 Check point for DPA board Name B* board (A side) Detail R5053 R5054...
  • Page 62 2.4 LED Blinking: 5x (Panel Communication Error) TV Business Division...
  • Page 63 LED BLINKING: 5x (Panel Communication Error) 5-times blinking Change Change Panel (T-con) Check Symptom Symptom Replace G/LD*Board “+12.5V_TCON” improvement improvement G/LD* Board suspicious on BFM BFM is Panel (T-Con) is suspicious suspicious Symptom Replace the Harness improve Harness is Between G/LD* Board suspicious and BFM Symptom...
  • Page 64 Check point for BFM Name B* board (A side) Detail +12.5V_TCON R3809 TV Business Division...
  • Page 65 LED BLINKING: 5x (Panel Communication Error) BM2+DPA 5-times blinking BM2 board Change Change suspicious Panel (T-con) DPA board Check Symptom Symptom “+12.5V_TCON” at Replace G Board improvement improvement R5243 G Board suspicious on DPA Panel (T-Con) is DPA board is suspicious suspicious Symptom...
  • Page 66 Check point for DPA Name B* board (A side) Detail +12.5V_TCON...
  • Page 67 2.5 LED Blinking: 6x (Backlight Error) TV Business Division...
  • Page 68 LED BLINKING: 6x (Backlight Error) 6-times blinking Check Voltage of Check Symptom Change Harness / BL_ERR_DET Harness harness/connection Improvement harness Connection on 21pin of CN400 Voltage ≥ 1.9 V G/LD* board to B*Board on BFM broken Harness / improvement Connection OK Voltage <...
  • Page 69 Check point for BFM(BL_ERR_DET) Name B* board (A side) Detail Pin 21 CN400 TV Business Division...
  • Page 70 BM2+DPA 6-times blinking Harness / Check Voltage of Check Change Symptom Connection BL_ERR_DET Harness harness/connection harness Improvement on 21pin of CN401 broken G board to DPA on DPA improvement G board Symptom Harness / G board Improvement Connection OK  Change G board. improvement Change Symptom...
  • Page 71 Check point for DPA (BL_ERR_DET) Name B* board (A side) Detail Pin 21 CN401...
  • Page 72 2.6 LED Blinking: 7x (Temperature Error) TV Business Division...
  • Page 73 LED BLINKING: 7x (Temperature Error) 7-time blinking Setting circumstance is OK? Set to another Temperature, location, etc. Ventilation, etc. Change B* Board, and Aging a few Panel hours Symptom improvement Check I2C_C bus communication OK? Temp sensor B* Board NG (check the next page) I2C_C bus dumping or...
  • Page 74 Check point for BFM Name B* board (A side) Detail I2C0_SCL I2C0_SDA IC1200 Temperature Sensor TV Business Division...
  • Page 75 Check point for BM2 Name B* board (A side) Detail I2C0_SDA IC1200 I2C0_SCL Temperature Sensor...

  • Page 76: No Sound

    3.0 No Sound TV Business Division...
  • Page 77 3.0 No Sound No Sound Without LED 3x No sound only Go to Analog RF and Digital RF ? 3.7 No Sound Tuner Select [External Inputs]→ AV receiver is connected [BRAVIA Sync Settings]→ to HDMI in ? [BRAVIA Sync Control]→[off] Go to No sound only HDMI ? 3.8 No Sound HDMI...
  • Page 78 3.1 No Sound: Audio (For all models) TV Business Division...
  • Page 79 3.1 No Sound Audio No Sound Audio Replace B-PWB Finish...
  • Page 80 3.3 Main Board Power Off Checking (for Main SP Lch & Rch) TV Business Division...
  • Page 81 3.3 No Sound Power Off Check Power Off Check From 2.1 Power Off Check From 3.0 Measure the Speaker impedance by multi-meter Replace Speaker Less than 3Ω ? (1) B-PWB PVDD-GND short ? (See next page) Confirm the speaker harness Replace Speaker Harness Cut or shorted to the chassis ?
  • Page 82 BFM-PWB (1) PVDD-GND short check Measure impedance between PVDD and GND at capacitor C3262. If impedance is <100Ω → NG (2) Fuse open check Measure impedance of fuse F3201 5A (12.5V or 19.5V) If fuse open → NG F3201...
  • Page 83 DPA-PWB (1) PVDD-GND short check Measure impedance between PVDD and GND at capacitor C3249. If impedance is <100Ω → NG (2) LDO out short check Measure impedance between +3.3V and GND at C3248 If impedance is <100Ω → NG (3) Fuse open check Measure impedance of fuse F3201 5A (12.5V or 19.5V) F3201...
  • Page 84 3.4 Main Board Power On Checking (for Main SP Lch & Rch) TV Business Division...
  • Page 85 3.4 No Sound Power On Check Power On Check From 2.1 (4) POWER_AU check POWER_AU is supplied to B-PWB for a moment before LED 3x brinking ? Replace G-PWB OK ? Return to 2.1 Finish...
  • Page 86 3.5 No Sound: HP / Lineout ONLY TV Business Division...
  • Page 87 3.5 No Sound Audio HP/Audio out No Sound Audio HP/Audio out [Sound]→ [Headphone] Headphone Volume Increase Headphone Volume [Headphone/Audio out] is set to MIN? is set to ? Replace B-PWB [Audio Out (Fixed)] Replace B-PWB [Audio Out (Variable)] Volume Increase Volume is set to MIN? Replace B-PWB [Subwoofer]...
  • Page 88 3.6 No Sound: SCART OUT Audio TV Business Division...
  • Page 89 3.6 No Sound Audio SCART (AEP only) No Sound Audio SCART Select the input to Analog RF or Digital RF SCART OK ? Replace B-PWB Finish...
  • Page 90 3.7 No Sound: Tuner TV Business Division...
  • Page 91 3.7 NO SOUND: TUNER No Sound with normal picture Only RF tuner input? Please refer Audio Check IC1000 (SOC) troubleshooting...
  • Page 92 3.8 No Sound: HDMI TV Business Division...
  • Page 93 3.8 NO SOUND: HDMI1/2/3/4 No Sound Check the picture Refer to 4.5 HDMI NO PICTURE Does this model have Connect Stereo minijack cable between Source and the TV, and Check the mode Analog Audio In Change “HDMI/DVI Audio Source” to Auto or Analog Audio In. of Source equipment (Stereo minijack)? HDMI...

  • Page 94: No Picture

    4.0 No Picture: All models TV Business Division...
  • Page 95 4.0 NO PICTURE BL_ON (L or H): IC401 #18pin (for 4K BFM/BM2 board) No Picture BL_ON：H Replace Check Check Smart Core Replace LCD Panel Got Any Normal the V by One FFC BL_ON Behavior the main Board (T-CON) Display? Harness on the main board (5x Blinking) Symptom...
  • Page 96 BL_ON (IC401 #18pin) Board Board PWB A-side Detail Name IC401 18Pin IC401...
  • Page 97 BL_ON (IC401 #18pin) Board Board PWB A-side Detail Name IC401 18Pin IC401...
  • Page 98 4.1 No Picture: VIDEO Componet/CVBS/SCART Analog Signal Path TV Business Division...
  • Page 99 4.1 : Video Analog Signal Path AT35:GPIO56 VIDEO_DET SCART Video1/Component (Back) K34:VDACX_OUT (Back) SCART_CVOUT N35:SOY0 SCART_FB/COMP_Y M35:CVBS2P CVBS2P M38:Y0P SCART_SB/COMP_Y L38:PB0P SCART_SG/COMP_PB IC1000 L37:PR0P SCART_SR/COMP_PR Except AEP A16:SD_CLK CR_DET Video 2 (Side Mini Jack) L36:CVBS3P CVBS3P G16:GPIO66 VIDEO2_DET TV Business Division...
  • Page 100 4.2 No Picture: VIDEO 4.3 No Picture: Component/SCART TV Business Division...
  • Page 101 4.2/4.3 : No Picture AEP Destination (BFM/BM2) No Picture SCART CVBS SCART RGB No Picture No Picture [LOW: [LOW: Check SCART_FB Check SCART_FB Detailed check all parts • Check CN2600 Check CN2600 IC1000 N35 at SCART_FB signal IC1000 N35 Connection Connection [SOY0] at R2614 [SOY0] at R2614...
  • Page 102 4.2/4.3 : No Picture except AEP Destination (BFM/BM2) No Picture Component Video 2 No Picture No Picture Check J2600 Check if input OSD Check J2600 NG (Vpp: 0 V) VIDEO_DET at Check if input OSD is GREY OUT NG (Vpp: 0 V) Connection, R2626, is GREY OUT...
  • Page 103 4.2/4.3 : No Picture ALL Destination (BFM/BM2) No Picture Video 2 No Picture Check J2601 Check if input OSD NG (Vpp: 0V) Connection, is GREY OUT VIDEO_DET OK if it is highlighted At R2631 OK (Vpp: 3.3 V) Detailed check all NG (Vpp: 0V) parts at VIDEO_DET signal Path [R2630]...
  • Page 104 Condition Actions to be taken Refer to IC troubleshooting for further Muffin [IC1000] investigation Problem CN2600 Connectivity Problem Change Connector J2601 Connector Problem J2600 Connectivity Problem Change Part Parts Broken...
  • Page 105 4.2/4.3 : Input Skip function (BFM/BM2) Input Signal Non- Detect Input Signal Non- Detect Detect (Typical) Detect (Typical (Typical) (Typical) SCART Always Detected Component VIDEO_DET 3.3V /Video IC1000 AT35- Video2 VIDEO2_DET 3.3V GPIO56 IC1000 G16- GPIO66 CR_DET 3.3V IC1000 A16- SD_CLK Video2 VIDEO2_DET...
  • Page 106 4.4 No Picture: Tuner TV Business Division...
  • Page 107 4.4 NO PICTURE: TUNER RF input no picture / noisy picture Check RF source cable Change RF cable and antenna and antenna, OK? Check Tuner power line: 3.3V at JL2800 = 3.3V? Please refer DDCON 1.8V at JL2801 = 1.8V? troubleshooting DEM_3.3V at JL2830 = 3.3V? (BM2 only) A_RESET value at JL2807 = 3.3V?
  • Page 108 4.4 NO PICTURE: TUNER From Previous page Digital Satellite Terrestrial/Cable Analog Check Tuner power line 12V LNB Voltage 12V at JL2822 = 12V? Checking For TW, NA- ATSC(MX/UC), For AEP_W, JP_SKP, PA_T2, JP_SKP(Opticast) and LA- CH/HK, and LA-T2(COL) ISDB-T Refer Analog Tuning Refer Digital Tuning 1 Refer Digital Tuning 2...
  • Page 109 4.4 NO PICTURE: TUNER (BM2) BM2 (Top View) BM2 Tuner potion(Top View) 3.3V For Tuner Power Lines 1.8V For Tuner Power Lines BM2 Tuner potion(Bottom View) For Tuner Power Lines 3.3V JL2822 = 12V JL2830 = 3.3V JL2807 = 3.3V JL2800 = 3.3V JL2801 = 1.8V...
  • Page 110 4.4 NO PICTURE: TUNER (BM2) BM2 (Top View) For Tuner Power Lines (TU_1.1V : JP_SKP only) & I2C line R2804 C2803 R280 R280 R2805 C2804 FB2806 = 1.1V...
  • Page 111 4.4 NO PICTURE: TUNER (BFM) BFM (Top View) For Tuner Power Lines 1.8V 3.3V BFM Tuner potion(Top View) For Tuner Power Lines JL2807 = 3.3V JL2822 = 12V JL2801 = 1.8V JL2800 = 3.3V BFM Tuner potion(Bottom View) For Tuner Power Lines...
  • Page 112 4.4 NO PICTURE: TUNER (BFM) BFM (Top View) For Tuner I2C line R280 R280 C280 C280 R280 R280...
  • Page 113 4.4 NO PICTURE: TUNER FOR 12V LNB Voltage Checking: @ AEP_W and JP_SKP 12V LNB Voltage Checking MOSFET Check LNB power line Check P_ON_LNB signal line Check fuse F2800 Q408/Q409 +12V_MAIN at R495 = 12V? at R446 = 3.3V? broken Change the fuse AC adapter Please refer DDCON...
  • Page 114 4.4 NO PICTURE: TUNER (BM2) BM2 (Top View) 12V LNB Voltage line R446 R495 Q408 Q409 F2800...
  • Page 115 4.4 NO PICTURE: TUNER (BM2) BM2 (Top View) 12V LNB Voltage line +12V_MAIN +12V_MAIN R495 Q408 Q409...
  • Page 116 4.4 NO PICTURE: TUNER (BFM) BFM (Top View) 12V LNB Voltage line R446 R495 Q408 Q409 F2800...
  • Page 117 4.4 NO PICTURE: TUNER (BFM) BFM (Top View) 12V LNB Voltage line R446 +12V_MAIN_IN (G-board model) +12V_MAIN +12V_MAIN R495 Q408 Q409 F2800...
  • Page 118 4.4 NO PICTURE: TUNER FOR ANALOG TUNING: @ All destination except JP_SKP Notes: - Parts for IFOUT_N line : FB2801, C2807, C2826 - Parts for IFOUT_P line : FB2802, C2808, C2825 - Parts for IFAGC line : R2838, C2827 For LA-ISDB(BR/AR), LA-T2(COL) and TW only : Insert correct signal in correct terminal.
  • Page 119 4.4 NO PICTURE: TUNER FOR DIGITAL TUNING 1: @ TW, NA-ATSC(MX/UC), JP_SKP(Opticast) and LA-ISDB-T. Digital Tuning 1 Notes: - Parts for IFOUT_N line : FB2801, C2807, C2826 For TW/LA-ISDB-T - Parts for IFOUT_P line : FB2802, C2808, C2825 - Parts for IFAGC line : R2838, C2827 For NA- ATSC(MX/UC)/JP_SKP(Opticast)
  • Page 120 4.4 NO PICTURE: TUNER (BM2) BM2 (Top View) IF & IFAGC line C2827 R2838 C2825 C2826 FB2802 C2808 FB2801 C2807...
  • Page 121 4.4 NO PICTURE: TUNER (BFM) BFM (Top View) IF & IFAGC line C2827 R2838 C2825 C2826 C2807 C2808 FB2802 FB2801...
  • Page 122 4.4 NO PICTURE: TUNER FOR DIGITAL TUNING 2: @ AEP_W, JP_SKP, PA_T2, CH/HK, and LA-T2(COL) Digital Tuning 2 LA-T2(COL) For PA_T2 and For AEP-W For JP_SKP CH/HK Confirm ANT or Cable connection Confirm ANT or Satellite connection Confirm ANT or Satellite connection Terrestrial All except SKP_Opticast BS/CS or SKP_Opticast/...
  • Page 123 4.4 NO PICTURE: TUNER (BM2) BM2 (Top View) TS1 line R2845 R2844 R2847 R2846 R2866 R2815...
  • Page 124 4.4 NO PICTURE: TUNER (BFM) BFM (Top View) TS1 line R2845 R2844 R2847 R2846 R2815...
  • Page 125 4.5 No Picture: HDMI TV Business Division...
  • Page 126 4.5 NO PICTURE: HDMI1 No Picture Check the below point at All lines Connector side are NG Other Input is OK Replace ・Check +5V line Check other CN3603 ・Check HPD line HDMI input ・Check DDC lines ・Check TMDS lines All Inputs are NG +5V line is OK Only +5V line...
  • Page 127 4.5 NO PICTURE: HDMI1 R3646 RB3603,R3665 ,R3664 IC1000 IC1000 RB3612, RB3619, RB3611 RB3620 TV Business Division...
  • Page 128 4.5 NO PICTURE: HDMI1 RB3620, RB3619 RB3606,RB3605 RB3608,RB3607 R3665,RB3603 RB3610,RB3609 R3664 RB3612,RB3611 R3646 IC1000 TV Business Division...
  • Page 129 4.5 NO PICTURE: HDMI2 No Picture Check the below point at All lines Connector side are NG Other Input is OK Replace ・Check +5V line Check other CN3600 ・Check HPD line HDMI input ・Check DDC lines ・Check TMDS lines All Inputs are NG +5V line is OK Only +5V line...
  • Page 130 4.5 NO PICTURE: HDMI2 RB3614, RB3613 RB3604 R3658,R3659 R3647 RB3606, RB3605 IC1000 IC1000 TV Business Division...
  • Page 131 4.5 NO PICTURE: HDMI2 R3647 RB3606,RB3605 RB3608,RB3607 RB3604 RB3610,RB3609 RB3612,RB3611 R3658 R3659 IC3600 R3666 R3667 C3626 IC1000 RB3613, RB3614 TV Business Division...
  • Page 132 4.5 NO PICTURE: HDMI3 No Picture Check the below point at All lines Connector side are NG Other Input is OK Replace ・Check +5V line Check other CN3601 ・Check HPD line HDMI input ・Check DDC lines ・Check TMDS lines All Inputs are NG +5V line is OK Only +5V line...
  • Page 133 4.5 NO PICTURE: HDMI3 RB3616, RB3615 RB3601 R3661,R3660 RB3608, R3644 RB3607 IC1000 IC1000 TV Business Division...
  • Page 134 4.5 NO PICTURE: HDMI3 R3644 R3660,R3661 IC3601 RB3606,RB3605 C3627 RB3608,RB3607 R3668 RB3610,RB3609 R3669 RB3601 RB3612,RB3611 RB3615, IC1000 RB3616 TV Business Division...
  • Page 135 4.5 NO PICTURE: HDMI4 No Picture Check the below point at All lines Connector side are NG Other Input is OK Replace ・Check +5V line Check other CN3602 ・Check HPD line HDMI input ・Check DDC lines ・Check TMDS lines All Inputs are NG +5V line is OK Only +5V line...
  • Page 136 4.5 NO PICTURE: HDMI4 RB3618, RB3617 R3662,R3663 RB3602 R3645 IC1000 IC1000 RB3610, RB3609 TV Business Division...
  • Page 137 4.5 NO PICTURE: HDMI4 R3645 RB3602 R3662,R3663 RB3606,RB3605 RB3608,RB3607 IC3601 RB3610,RB3609 C3628 RB3612,RB3611 R3670 R3671 RB3617, IC1000 RB3618 TV Business Division...

  • Page 138: Side Buttons Malfunction

    5.0 SIDE BUTTONS MALFUNCTION TV Business Division...
  • Page 139 Key Switch Buttons Error Check harness connection between Side key buttons error Harness connection issue B-board and switch module Change harness B-board to switch module between B-board to harness issue switch module harness Change switch module Switch module issue Check resistor value on Resistor value Parts issue B-board...
  • Page 140 5.1 IR REMOTE COMMANDER MALFUNCTION TV Business Division...
  • Page 141 IR Remote Commander Error Center white LED Battery of remote blinks when pushing commander IR remote commander buttons of remote does not respond could be weak. commander at close to IR sensor. Change battery. Check harness Harness connection connection between B-board and issue SmartCore...
  • Page 142 5.2 Light Sensor Error TV Business Division...
  • Page 143 Light Sensor Error Battery of remote Check harness Setting is “ON” Check UI setting and commander Backlight level does not connection between change when ambient make sure light sensor B-board and could be weak. setting is “ON” light changed SmartCore Change battery.

  • Page 144: Network Malfunction

    6.0 Network Malfunction: Ethernet (Wired) TV Business Division...
  • Page 145 6.0 Network Malfunction: Ethernet (Wired) [Network Set-up] >[Wired Set-up] on the TV Connection Results Connection Results Connection Results B board Internet Access Cable Connection Local Access Failed Failed Faile Check Auto Wired Set-up Proxy setting Check cable B board Local router IP address setting DHCP server Manual...
  • Page 146 Board Board PWB (A side) Detail Name CHK3 CHK4 CHK2 T3400 J3400 L3400 T3401 CHK1 TV Business Division...
  • Page 147 Board Board PWB (A side) Detail Name CHK4 L3400 CHK3 T3400 CHK2 T3401 J3400 CHK1 TV Business Division...
  • Page 148 6.2 Troubleshoot flow for Wireless Network malfunction TV Business Division...
  • Page 149 Wireless Network malfunction (continue) 1) Internal Wireless Network malfunction Wireless Network on the TV Error Message appear Is the radio field when the Wireless Strength too weak Bxx Board Network is selected? or even No signal? Hardware defect suspected. Access Point Change WiFi module Go to the next page WiFi module...
  • Page 150 Wireless Network malfunction From previous page Check harness Connect properly Loose harness connection is OK between WiFi and Bxx Change harness Change Change Bxx board between Bxx board Wi-Fi module and WiFi If Wi-Fi malfunction happens, • Wi-Fi module • Harness between WiFi and Bxx Wi-Fi module Main Harness...
  • Page 151 6.3 Troubleshoot flow for Bluetooth malfunction (3D, Voice Remote) TV Business Division...
  • Page 152 Bluetooth malfunction Voice Remote doesn’t work 3D-glasses (Active) doesn’t work Bluetooth Keyboard/Mouse doesn’t work Please refer Voice Remote manual Check BT antenna Home > Settings > 3D-glasses (Active) manual Connection is OK Bluetooth Settings Can read Near discoverable Bluetooth Keyboard/Mouse operation manual Bluetooth Device else Loose BT antenna...

  • Page 153: Service Adjustments

    SECTION 4 SERVICE ADJUSTMENTS How to Enter Service Mode From Standby Mode Service Mode 1. Go to TV standby condition by Model Information >> remote commander. Self diagnosis History >> Video / Audio >> 2. Press “i+ (info)/Display”, “5”, Panel / PQ >>...

  • Page 154: Software Version

    Software Version 1) In Service Mode, select “Model Information”, press “Enter” or → button to enter Status Information Main Micro SW Version: Service Mode Model PKG2.011.0010NAB NVM Version: 0001 UC2 >> Model Information Boot Version: V1.000 Status Information PQ Version: 102100006 Self diagnosis History >>...

  • Page 155: Serial Number Edit

    Serial Number Edit (1) Service Mode Model Information >> Self diagnosis History >> Video / Audio >> In “Service Mode”, select “Model Panel / PQ >> General Setting >> Information” by pressing “↑” or “↓” then Tuner >> Wifi >> pressing “Enter”...
  • Page 156 Service Mode Serial Number Edit (2) >> If YES is selected, the input data is saved into Status Information EEPROM. SERIAL NUMBER EDIT is grayed out >> Model Information and the serial number that has been input is <[ KDL-40X500B ]>...

  • Page 157: Model Number Setting

    Model Number Setting Service Mode Service Mode Model Information >> Status Information >> Self diagnosis History >> In “Service Mode”, select “Model Model Information >> Video / Audio >> Information” by pressing “↑” or “↓” then Model Number >> Panel / PQ >>...

  • Page 158: Wb Adjustment

    WB Adjustment Please apply Main board or panel is replaced. In “Panel/PQ” service mode Go to “WB Adjustment” category by “↑” or “↓”. To select “WB Adjustment”, press → button. To change data , press “←” or “→” on remote commander. Panel / PQ Back <<...

  • Page 159: Wb/Mura/Cuc Data Transfer

    WB/Mura/CUC data transfer Please apply Main board or panel is replaced. In “Panel/PQ” service mode a. Go to “WB/Mura/CUC data transfer” category by “↑” or “↓”. b. To select “WB/Mura/CUC data transfer”, press → button. << Back c. To change data , press “←” or “→” on remote commander. WB/Gamma data transfer <[ 0.

  • Page 160: Hdd Performance Check

    HDD Performance Check Service Mode General Setting In “Service Mode”, select Model Information >> Back << “General Setting” by Self diagnosis History >> Aging mode <[On/Off]> pressing “↑” or “↓” then Video / Audio >> HDD Performance Check >> Panel / PQ >>...

  • Page 161: Hdd Re-Register

    HDD Re-Register Service Mode General Setting Model Information >> Back << Self diagnosis History >> Aging mode <[On/Off]> In “Service Mode”, select “General Video / Audio >> HDD Performance Check >> Setting” by pressing “↑” or “↓” then Panel / PQ >>...

  • Page 162: Summary Of Service Control

    Summary of Service Control Function The flow of control Service mode on Display><5><Vol Up><Power> Service mode off AC plug OFF Item up / down <↑>/ <↓> Item select left/right <←>/<→> Execute (実行) <OK> TV Business Division...

  • Page 163: How To Enter Self Diagnosis Display

    How to Enter Self Diagnosis Display Directly go to Self diagnosis display without entering Service Mode Go to TV standby condition by remote commander. Press “i+ (info)”, “5”, “Volume-” then “TV power” on remote. You can see Self Check. SELF CHECK Back <<...

  • Page 164: Diagrams

    SECTION 5 DIAGRAMS 5-1.CIRCUIT BOARD LOCATION 5-1-1. KD-49X7*D , KD-49XD7* KJ-49X7*D XBR-49X7*D 5-1- 2. KD-55X7*D, XBR-55X7*D SWITCH UNIT B* Board GL6 Board SWITCH UNIT GL6 BOARD B* BOARD <SMART CORE BLOCK > HSC3 MOUNT...

  • Page 165: Block Diagram

    Diagrams 5-2. Block Diagram FY16 GN2TR/Trinity QH2, QHL, QML, QE, QEL Some control lines are left out. LD/Gx board BFM Board Temp Cur Sens. DDCs Sensor Power CAS/CI Center Key Backlight PWM S-NIM2 L/R Keys Power Micro IR Rx (PIC16F527T) RGBW LED eMMC Analog...

  • Page 166: Connector Diagram

    5-3. Connector Diagram : QEL...
  • Page 167 Sony EMCS (Malaysia) Sdn. Bhd. English RDCM 9-888-701-02 © 2016.08...
  • Page 168 APPENDIX Reset vs. Factory Reset Reset: Press and hold down the power button (approx. 5 seconds) on the remote commander until the message “Power off” appears on the TV screen The TV will turn off, and then restart automatically Try a reset when Android TV doesn’t behave properly (e.g., the TV is unresponsive or is stuck on a black screen). Note if you unplug and plug in the power cable, it may have the same effect as a reset.

This manual is also suitable for:

Kd-55x7 d seriesKd-49xd7 seriesKd-55xd7 seriesKj-49x7 d seriesXbr-55x7 d seriesXbr-49x7 d series

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