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Sony FW-43XE8 Series Service Manual
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Sony FW-43XE8 Series Service Manual

Gn3tr chassis
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL (COMMON)
Version
Date
Subject
st
1
10/2016
1
2
02/2017
Add 49in and 55in models
Issue.
GN3TR
CHASSIS
Segment: KF
LCD TV
9-888-720-02
For SM - Unique , please refer :
9-888-720-Ax ( America )
9-888-720-Cx ( China)
9-888-720-Ex ( Europe )
9-888-720-Px ( Pan Asia)

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Summary of Contents for Sony FW-43XE8 Series

  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL (COMMON) GN3TR CHASSIS Segment: KF Version Date Subject 10/2016 Issue. 02/2017 Add 49in and 55in models LCD TV 9-888-720-02 For SM - Unique , please refer : 9-888-720-Ax ( America ) 9-888-720-Cx ( China) 9-888-720-Ex ( Europe ) 9-888-720-Px ( Pan Asia)
  • Page 2 SERVICE MANUAL (COMMON) GN3TR CHASSIS Segment: KF LCD TV...
  • Page 3 MODEL LIST THIS SERVICE MANUAL CONTAINS COMMON INFORMATION FOR BELOW REGIONS AND MODELS: REGION ASIA AMERICA EUROPE CHINA JAPAN MODEL FW-43XE8* FW-49XE8* FW-55XE8* KD-43XE8* FW-49X8*E FW-55X8*E KD-43X8*E KD-49XE8* KD-55XE8* KJ-43X8*E KD-49X8*E KD-55X8*E XBR-43X8*E KJ-49X8*E XBR-55X8*E XBR-49X8*E...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Section Title Page 1. SAFETY NOTES 2. SELF DIAGNOSTIC FUNCTION 3. TROUBLE SHOOTING 4. SERVICE ADJUSTMENTS 5. DIAGRAMS Please refer to Service Procedure for Panel , Board and Software Change / Upgrade Manual , part number 9-888-719-0x in TISS . Please refer Service Manual –...

  • 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 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 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 1-8. Handling the FLEXIBLE FLAT CABLE (FFC) ( continue ) <PULL OUT> <INSERTION> Press release button at the same time pull out FFC cable Insert properly without slanting...
  • Page 9 1-8. Handling the FLEXIBLE FLAT CABLE (FFC) ( continue )
  • Page 10 1-8. Handling the FLEXIBLE FLAT CABLE (FFC) ( continue )
  • Page 11 1-9. Solder-less tuner replacement procedure  For removing Tuner Module, In the case of small type Tuner module. ① The insertion & extraction angle of the module is permitted to After un screwed, Automatically the Module will float to correct degree. specified degree for connector So please extract it with keeping this degree.
  • Page 12 1-9. Solder-less tuner replacement procedure (Cont. )
  • Page 13 1-9. Solder-less tuner replacement procedure ( Cont. )

  • Page 14: 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 15 Blue italic: detect at startup sequence only. Record Only <G>: Power supply board, Detection Items Item <B>: Main board, <T>: T-con board, <B/Tu> Tuner & Demodulator I2C communication failure <LD>: LD board (if AC adapter model, it would power supply for Set TU_DEMOD Tuner board set detect signal monitoring <P>: Panel module,...
  • Page 16 Entry (Self Diagnosis Display) - Go to the standby by a remote. Error count Error Item - Push the buttons sequentially: <Display><5><Vol-><Power> SELF CHECK Back << Exit MAIN POWER 000000000000 000000000000 000000000000 -If you want to finish service mode app, do AC OFF/ON DC ALERT 000000000000 000000000000...
  • Page 17 Triage Chart Before you make the service call… 1. Confirm the symptom from the customer. 2. Select that symptom from the chart. 3. Bring all the boards and cables listed for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board. 5.

  • Page 18: Troubleshooting

    SECTION 3 TROUBLESHOOTING KF/KFW 55” No Power(GL71 PSU board) Switch Off plug(AC Off) NO POWER Open TV rear cover to check PSU Board Wait more than 5 minutes before start This is to ensure PSU is not in protection mode Check No Voltage BL_ON...
  • Page 19 GL71 Broken PSU standalone checking Appearance check PSU info checking and confirmation Broken parts checking Note: PSU board CANNOT be repair(unless requested by design) Any request to repair will be instruct. TV Business Division...
  • Page 20 Appearance check Operation Tool Remarks Check A-side appearance Glove Visual check Keep record PC/Pen/Photo Check B-side appearance Glove Visual check Criteria: No abnormality Keep record PC/Pen/Photo Example: PWB crack/Burn mark PWB crack Burn mark at AC inlet PIN(L~N) B-side A-side TV Business Division...
  • Page 21 PSU info checking and confirmation Operation Tool Remarks Check label marking Glove Visual check Keep record PC/Pen/Photo Record PN/SN/MFG Date Glove Visual check Keep record PC/Pen/Photo PSU name PSU PN(Part Number) PSU SN(Serial Number) MFG Date(Manufacturing date) TV Business Division...
  • Page 22 Broken parts checking Parts Checking Criteria F6101(Fuse) Resistance NG (high impedance) C800A(main cap) Visual NG (vent) BD1(Bridge diode) Resistance NG (low impedance) Q800A(PFC MOSFET) Resistance NG (low impedance) D800A(PFC diode) Resistance NG (low impedance) Q600(LLC MOSFET) Resistance NG (low impedance) Q601(LLC MOSFET) Resistance NG (low impedance)
  • Page 23 Broken parts checking(parts location) Q750A Q800A D751A D800A Q600 Q123 C800A Q601 D120A F6101 D120B R915 D950A...
  • Page 24 Escalation Check sheet(Hardware) Defect symptom Details Does problem occur during first turn on? Yes: Frequency of the symptom Always: Intermittently: Does the symptom recover by AC Off for more than 5 Yes: minutes? Please describe the recover method (if any) Please provide the humidity and temperature condition of the defect area/ Wheater During Temperature:...
  • Page 25 1.1 No power - LD board LD board START 1. Check fuse impedance Fuse F1001 broken F1001 Is < 1ohm? 2. Check impedance D1001 Diode D1001 broken Is > 1kohm? 3. Check MOSFET Q1007 MOSFET Q1007 Broken Is > 1kohm? 4.
  • Page 26 1.1 No power - LD board 12V DDCON check 12V_TCON check START Check fuse F1000 Fuse F1000 broken Is < 1ohm Check 12.5V_TCON Is voltage > 12.0V? Check Input to GND DDC IC1000 broken Is > 1k ohm? Check Input to Output Check TCON_ON DDC IC1000 broken Is >...
  • Page 27 1.1 No power - LD board C102 Input to GND Impedance check +12.5V_TCO F1000 R1003 Impedance check C1009 Input to Output Impedance check Output to GND Impedance check C1016 TV Business Division...
  • Page 28 1.2 No Power u-com Failure P-on u-com control signal path summary B-Board BFX Board OPWRSB #pin2 +3.3V_STBY #pin1 ORESETB #pin12 AC_OFF_INFO Vdd Ucom SOC Muffin 2 (IC1000) supply voltage #pin5 PANEL_PWR_ON #pin10 X_SYSTEM_RST Tuner (CN2800) #pin16 BL_ON P_ON_VBUS #pin18 #pin11 DDC: +5.0V_VBUS (IC402) G-Board or LD PGOOD_1...
  • Page 29 1.2 No Power u-com Failure START BFX Board Check MAIN_VCC Check VDD Check +12V_MAIN Line R437 Voltage. Check +3.3V_STBY C419 Voltage. (G board, LD). 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 C504 Voltage.
  • Page 30 1.2 No Power u-com Failure BFX Board 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 31 1.2 No Power u-com Failure BFX Board 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 32 1.2 No Power u-com Failure P-on u-com & DC_OFF_DET Location (IC401) (IC400) P_ON_U- DC_OFF_DET...
  • Page 33 1.2 No Power u-com Failure 1.2 No Power u-com Failure P-on u-com & DC_OFF_DET Location 5. P_ON_LNB 10. P_ON_#2 8. P_ON_#1 > 11. ORESETB > 3.0V > 3.0V 3.0V > 3.0V 4. POWER_ON > 3.0V 7. P_ON_VBUS > 3.0V 2. C504 > 3.0V X_SYSTEM_RS T >...
  • Page 34 1.2 No Power u-com Failure 1.2 No Power u-com Failure DC_OFF_DET component location 1. R420 > 3.0V 2. C418 > 5.0V IC400...
  • Page 35 1.3 No Power DDCON/LDO DC-DC Converter Reference Points Output IC Ref Voltage supply Enable pin Enable source Fuse ref. ref. IC403 +3.3V_STBY C447 R467 +19.5V_12.5V_MAIN F401 C443 IC601 +1.5V_DDR C609 C605 +5V_STBY IC404 +5.0V_MAIN C456 R480 P-on ucom IC401 F402 IC402 +5.0V_VBUS C431...
  • Page 36 1.3 No Power DDCON/LDO DC-DC Converter Overall Check Check C629 Voltage. DDC: +1.0V_M2 check Is the voltage 1V? START LDO: +1.05V_M2_xx check Check C611, C631, C613, Check C447 Voltage. DDC: +3.3V_DDC_OUT check C633 is it Is the voltage 3.3V? 1.05V? DDC: +1.8V_TU check Check C609...
  • Page 37 1.3 No Power DDCON/LDO 1.3 No Power DDCON/LDO DDC: +3.3V_DDC_OUT check START Check fuse F401 Change F401 Is fuse OK? G-Board model LD-Board model Check input Check input F401 voltage F401 voltage Is voltage >19.0V? Is voltage >12.0V? Check EN signal R467 voltage G-Board/LD-Board...
  • Page 38 1.3 No Power DDCON/LDO 1.3 No Power DDCON/LDO DDC: +1.5V_DDR check START Check IC404Vcc voltage Check Vcc voltage Check C454 Change D600 C602 D600 Is voltage >12V? Is voltage >3V? Is diode alive? Check +3.3V_STBY. G board or IC403 Check Vcc voltage Check C602 D601...
  • Page 39 1.3 No Power DDCON/LDO DDC: +5V_MAIN check START Check fuse F402 Change F402 Is fuse OK? Check input F402 voltage G-Board/LD-Board Is voltage >12V? Check EN signal R487 voltage 1.2 No Power U-Com Failure Is voltage >2.5V? Change IC405...
  • Page 40 1.3 No Power DDCON/LDO DDC: +5.0V_VBUS check START Check fuse F400 Change F400 Is fuse OK? LD-Board model G-Board model Check input Check input F400 voltage F400 voltage Is voltage >19.0V? Is voltage >12.0V? G-Board/LD-Board Check EN signal R455 voltage 1.2 No Power U-Com Failure Is voltage >2.5V? Check Vcc...
  • Page 41 1.3 No Power DDCON/LDO 1.3 No Power DDCON/LDO DDC: +1.0V_M2 check START Check fuse F600 Change F600 Is fuse OK? LD-Board model G-Board model Check input Check input F600 voltage F600 voltage Is voltage >19.0V? Is voltage >12.0V? G-Board/LD-Board Check EN signal R623 voltage 1.2 No Power U-Com Failure...
  • Page 42 1.3 No Power DDCON/LDO 1.3 No Power DDCON/LDO LDO: +1.05V_M2_xx check +1.05V_M2_STBY_ET +1.05V_M2_STBY START START Check input Check input C610 voltage DDC: 3.3V_DDC_OUT check C630 voltage DDC: 3.3V_DDC_OUT check Is voltage >3.0V? Is voltage >3.0V? Check EN signal Check EN signal IC602 #pin3 DDC: 3.3V_DDC_OUT check IC605 #pin3...
  • Page 43 1.3 No Power DDCON/LDO 1.3 No Power DDCON/LDO LDO: +1.05V_M2_xx check +1.05V_M2_A_1 +1.05V_M2_A_2 START START Check input Check input C612 voltage C632 voltage SW: 3.3V_MAIN check SW: 3.3V_MAIN check Is voltage >3.0V? Is voltage >3.0V? Check EN signal Check EN signal IC603 #pin3 1.2 No Power U-Com Failure IC606 #pin3...
  • Page 44 1.3 No Power DDCON/LDO 1.3 No Power DDCON/LDO DDC: 1.8V_TU check START Check fuse F403 Change F403 Is fuse OK? Check input F403 voltage G-Board/LD-Board Is voltage >12.0V? Check EN signal IC405 #pin4 1.2 No Power U-Com Failure Is voltage >2.5V? Change IC405...
  • Page 45 1.3 No Power DDCON/LDO 1.3 No Power DDCON/LDO SW: +3.3V_MAIN check START Check VG signal Change Q407 Q407 #pin1 Is voltage > 3.0V? Check VB signal Q406 #pin1 Change Q406 Is voltage > 3.0V? 1.2 No Power U-Com Failure...
  • Page 46 1.3 No Power DDCON/LDO DDC & LDO Locations IC40 IC60 IC40 IC40 IC60 IC60 IC60 IC60 IC60 IC40...
  • Page 47 1.3 No Power DDCON/LDO DDC & LDO Locations DDC: DDC: +1.5V_DDR DDC: +5.0V_MAIN +3.3V_DDC_OUT C447 C605 C456 F401 F402 IC601 IC404 C609 R480 C443 IC403 R467...
  • Page 48 1.3 No Power DDCON/LDO DDC & LDO Locations DDC: +5.0V_VBUS DDC: +1.0V_M2 DDC: +1.8V_TU F400 C623 C464 R455 IC604 IC402 #PIN4 IC405 C428 C431 F401 F403 C629...
  • Page 49 1.3 No Power DDCON/LDO DDC & LDO Locations DDC: +3.3V_MAIN DDC: DDC: +1.05V_M2_STBY +1.05V_M2_ST_ET C631 C611 #PIN2 IC602 IC605 Q407 Q406 #PIN1 (VG) #PIN1 #PIN3 C630 #PIN3 C610 (VB)
  • Page 50 1.3 No Power DDCON/LDO DDC & LDO Locations DDC: DDC: +1.05V_M2_A_1 +1.05V_M2_A_2 C613 #PIN3 IC606 IC603 C612 C633 #PIN3 C632...
  • Page 51 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 Is there 24MHz?
  • Page 52 1.4 NO POWER – Muffin2 Replacement Muffin2 replacement flow Data on eMMC need to be eMMC erase erase first before changing Muffin If cannot be erased, erase Muffin2 replacement after replacing Muffin SW write...
  • Page 53 2.0 LED Blinking: 2x (Main power Error) BFX（AC adapter model） BFX（G* Board model） 2-time blinking 2-time blinking Check “+12V_MAIN” Check “+12V_MAIN” at pin 11/13 of CN400 at pin 11/13 of CN400 G* Board LD Board on BFX Board, on BFX Board, Voltage >...
  • Page 54 Check point for BFX BFX (A side) Detail CN400 CN400 +12V_MAIN...
  • Page 55 Detail of 3x LED Blinking Error Number of STBY Description Item LED flashing Trinity2 DC_ALERT Main board 5V power rail monitoring AUD_ERR Audio amp error detection Trinity2 Board: BFX;...
  • Page 56 2.1 LED Blinking: 3x (DC Alert Error) 3-time blinking Check +5.0V_VBUS at “C431” Audio Error 4.959V<Voltage<5.285V? IC402,etc (B* Board)
  • Page 57 Check point for BFX Board PWB (A side) Detail +5.0V_VBUS at “C431”...
  • Page 58 Detail of 3x LED Blinking Error Number of STBY Description Item LED flashing Trinity2 DC_ALERT Main board 5V power rail monitoring AUD_ERR Audio amp error detection Trinity2 Board: BFX;...
  • Page 59 2.2 LED Blinking: 3x (Audio Error) LED 3x blinking (Audio Error) Go to Replace B-K Harness Power Off 3.3 Power off checking OK ? Check Go to Finish Power On 3.4 Power on checking Check Replace B-Board K-Board (KFW only) For BFX chassis: if with AC adapter, G-Board refer to LD board...
  • Page 60 Check point for BFX Name B* board (A side) (1) VCCP-GNDP short check Measure impedance between at capacitor C3267. If impedance is <100Ω → NG (3) Fuse open check Measure impedance of fuse F3201; C3237 C3239 If fuse open → NG F3201 C3267...
  • Page 61 Check point for BFX Name B* board (A side) (2) +3.3V_Audio out short check Measure impedance between C470 and GND. If impedance is <100Ω → NG Q407 +3.3V_Audi...
  • Page 62 Check point for BFX Name K* board (A side) (1) VCCP-GNDP short check Measure impedance between at capacitor F5501 C5581 and C5524. If impedance is <100Ω → NG C5581 IC5501 (3) Fuse open check Measure impedance of fuse F5500 and F5501;...
  • Page 63 Check point for BFX Name K* board (A side) (2) +3.3V_Audio out short check Measure impedance between C5586 and GND. If impedance is <100Ω → NG C5586...
  • Page 64 2.4 LED BLINKING: 5x (Panel Communication Error) 5-times blinking Change Change Panel (T-con) Check Replace G/LD*Board “+12.5V_TCON” G/LD* Board broken on BFX BFX is Panel (T-Con) is broken broken Replace the Harness Harness is Between G/LD* Board broken and BFX Replace V-By-One FFC the V-By-One FFC...
  • Page 65 Check point for BFX Name B* board (A side) +12.5V_TCON...
  • Page 66 2.5 6x Blinking backlight error Check point on PWB refer next slide TV Business Division...
  • Page 67 2.5 6x Blinking backlight error TV Business Division...
  • Page 68 2.6 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 69 Check point for BFX BFX board (A side) Detail I2C0_SDA IC1200 I2C0_SCL Temperature Sensor...
  • Page 70 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 71 3.1 No Sound Audio No Sound Audio Replace B-Board K-Board* Finish *For KF segment: Only replace BFX board *For KFW segment: Replace KK3 Board and BFX board...
  • Page 72 3.3 No Sound Power Off Check [KF/KFW] Power Off Check From 2.2 Power Off Check From 3.0 Measure the Speaker impedance by multi-meter Replace Speaker Less than 3Ω or open (broken) ? (1) B-Board* PVDD-GND short ? (See next page) Confirm the speaker harness Replace Speaker Harness...
  • Page 73 BFX-Board [ KF only] (1) PVDD-GND short check Measure impedance between PVDD and GND at capacitor C3262. If impedance is <100Ω → NG (2) LDO out short check Measure impedance between +3.3V_Audio and GND at C470. If impedance is <100Ω → NG (3) Fuse open check Measure impedance of fuse F3201 5A (12.5V or 19.5V)
  • Page 74 KK3-Board [ KFW only] (1) PVDD-GND short check Measure impedance between PVDD and GND at capacitor C5581 and C5524. If impedance is <100Ω → NG (2) LDO out short check F5501 Measure impedance between +3.3V_Audio and GND at C5586. If impedance is <100Ω → NG (3) Fuse open check C5581 Measure impedance of fuse...
  • Page 75 3.4 No Sound Power On Check [KF/KFW] Power On Check From 2.2 *POWER_AU is same as PVDD (4) POWER_AU* check POWER_AU is supplied to B-Board* for a moment before LED 3x blinking ? Replace LD-Board** OK ? Return to 2.1 * For KFW, B-Board refer to KK3-Board **For BFX chassis: If non AC adapter model, LD-Board Finish...
  • Page 76 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-Board [Audio Out (Fixed)] Replace B-Board [Audio Out (Variable)] Volume Increase Volume is set to MIN? Replace B-Board [Subwoofer]...
  • Page 77 3.6 [ Not Applicable ]...
  • Page 78 3.7 NO SOUND: @ TUNER No Sound with normal picture Only RF tuner input? Please refer Audio Check IC1000 (SOC) troubleshooting...
  • Page 79 4.0 No Picture BL_ON (L or H): IC401 Pin #18 (BFX No Picture board) BL_ON：H Check Smart Core Check Replace Got Any Normal Replace Replace LED Indication BL_ON the V by One FFC Display? LD/G Board the main Board (5x Blinking) on the main board Harness BL_ON：L...
  • Page 80 BL_ON (IC401: Pin #18) Board Board PWB A-side Name IC401 Pin #18...
  • Page 81 4.1 : Video Analog Signal Path AT35:GPIO56 VIDEO_DET Video2/Component (Rear) 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 A16:SD_CLK CR_DET Video 1 (Rear Conversion Jack) L36:CVBS3P CVBS3P G16:GPIO66 VIDEO2_DET...
  • Page 82 4.2 : No Picture ALL Destination (BFX)(Conversion Jack) Checking condition: - TV ON & Video/CVBS/Composite input cable is connected to Video/CVBS/Composite source No Picture output. - TV UI Display : Video 1  OK Condition : No solder splash can be seen Video 1 ...
  • Page 83 4.21- Video Analog Signal Path - Checking Point Board Board PWB (A side) Detail Name BFX(A-Side) J2601 Details C2628 C2628 R2643 R2643 J2601 BFX(B-side) Details R2630 R2631 D2609 R2631 R2629 D2609 R2629 C2612 R2621 C2612 R2630 R2621...
  • Page 84 4.3 : No Picture ALL Destination (BFX)(Component) Checking condition: - TV ON & Video/CVBS/Composite/Component input cable is connected to No Picture Video/CVBS/Composite/Component source output. - TV UI Display : Video 2/Component Component Video 2 No Picture No Picture Check if input OSD NG (Vpp: 0 V) Check if input OSD Check J2600...
  • Page 85 4.31- Video Analog Signal Path - Checking Point Board Board PWB (A side) Detail Name BFX(A-Side) C2605 C2602 J2600 C2611 C2602 C2607 C2605 C2627 C2607 R2611 C2627 R2642 VD2602 D2601 Details R2619 R2606 R2607 R2604 C2603 R2604 VD2603 R2603 C2601 R2631 D2609 J2600...
  • Page 86 4.31- Video Analog Signal Path - Checking Point Board Board PWB (A side) Detail Name BFX(B-side) R2626 Details R2650 R2627 R2637 R2627 R2637 R2650 R2626...
  • Page 87 Condition Actions to be taken Refer to IC troubleshooting Muffin [IC1000] for further investigation Problem CN2600 Connectivity Problem Change Connector J2601 Connector Problem J2600 Connectivity Problem Change Part according to ** Parts Broken remarks...
  • Page 88 4.2/4.3 : Input Skip function (BFX) Input Signal Non-Detect Detect (Typical) (Typical) Video 1 VIDEO2_DET 3.3V IC1000 G16-GPIO66 Video 2 / VIDEO_DET 3.3V Component IC1000 AT35-GPIO56 CR_DET 3.3V IC1000 A16-SD_CLK Video 2 / Component Video 1 (Rear Mini Jack) Rear...
  • Page 89 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: Change Check : Please refer DDCON 3.3V at JL2800 = 3.3V?, R2865? R2865 R2865 troubleshooting...
  • Page 90 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 CH/HK, and LA-T2(COL) LA-ISDB-T Refer Analog Tuning Refer Digital Tuning 1 Refer Digital Tuning 2...
  • Page 91 4.4 NO PICTURE: @ TUNER (BFX) BFX (Top View) For Tuner Power Lines R2865 BFX (Back View) For Tuner Power Lines FB280...
  • Page 92 4.4 NO PICTURE: @ TUNER (BFX) BFX (Back View) For Tuner Power Lines JL2800 = 3.3V JL2822 = 12V JL2801 = 1.8V JL2807 = 3.3V...
  • Page 93 4.4 NO PICTURE: @ TUNER (BFX) BFX (Top View) For Tuner I2C line C2803 R2802 R2806 C2804 R2801 R2804 R2805...
  • Page 94 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 Please refer...
  • Page 95 4.4 NO PICTURE: @ TUNER (BFX) BFX (Top View) 12V LNB Voltage line R446 Q408 R495 BFX (Back View) Q409 12V LNB Voltage line F2800...
  • Page 96 4.4 NO PICTURE: @ TUNER FOR ANALOG TUNING: @ All destination except JP_SKP For LA-ISDB(BR/AR), LA-T2(COL) and TW only Analog Tuning For Other destination Confirm ANT or Cable connection Check IC1000 (SoC) Channel can be lock? Check part mounting condition Change NG parts for analog control line “IFOUT_N, IFOUT_P, IFAGC”...
  • Page 97 4.4 NO PICTURE: @ TUNER FOR DIGITAL TUNING 1: @ TW, NA-ATSC(MX/UC), JP_SKP(Opticast) and LA-ISDB-T. Notes: - Parts for IFOUT_N line : FB2801, C2807, C2826 Digital Tuning 1 - Parts for IFOUT_P line : FB2802, C2808, C2825 - Parts for IFAGC line : R2838, C2827 For TW/LA-ISDB-T : Insert correct signal in correct terminal.
  • Page 98 4.4 NO PICTURE: @ TUNER (BFX) BFX (Top View) IF & IFAGC line R2838 C2827 C2807 FB2801 C2825 C2826 FB2802 C2808...
  • Page 99 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 100 4.4 NO PICTURE: @ TUNER (BFX) BFX (Top View) TS1 line R2845 R2844 R2847 R2846 R2815...
  • Page 101 4.5 NO PICTURE: HDMI 1, 2, 3, 4 Pre-Check Condition No Picture • Connection of the TV is direct to source. Splitter/Distributor is not Change to other HDMI source/ preferable. Source and Cable cable problem • Power source between TV and Source is preferred to be on the same level (110V or 240V) Change to Source...
  • Page 102 4.5 NO PICTURE: HDMI 1 [Supply & Signal Lines] Part to Check for Power / Signal Lines Check Point Voltage Specification NG/Broken CL3640 4.8 ≤ V ≤ 5.3 R3646 R3627, R3639, R3643, Hot Plug Detect CL3629 4.8 ≤ V ≤ 5.3 Q3602 C - SDA R3664...
  • Page 103 4.5 NO PICTURE: HDMI1 RB3619 RB3620 (Supplementary TV Business Division information)
  • Page 104 4.5 NO PICTURE: HDMI1 Q3603 R3657 CL3630 R3639 R3643 R3665 R3664 R3646 CL3640 Q3602 R3627 CL3629 (Supplementary TV Business Division information)
  • Page 105 4.5 NO PICTURE: HDMI 2 [Supply & Signal Lines] Part to Check for Power / Signal Lines Check Point Voltage Specification NG/Broken R3647 4.8 ≤ V ≤ 5.3 R3647 Hot Plug Detect CL3624 4.8 ≤ V ≤ 5.3 R3619 C - SDA R3658 4.5V ≤...
  • Page 106 4.5 NO PICTURE: HDMI2 RB3614 RB3613 (Supplementary TV Business Division information)
  • Page 107 4.5 NO PICTURE: HDMI2 Q3603 R3657 CL3630 R3619 R3658 CL3624 R3659 R3647 (Supplementary TV Business Division information)
  • Page 108 4.5 NO PICTURE: HDMI 3 [Supply & Signal Lines] Part to Check for Power / Signal Lines Check Point Voltage Specification NG/Broken CL3638 4.8 ≤ V ≤ 5.3 R3644 R3625, R3637, Q3600, Hot Plug Detect CL3627 4.8 ≤ V ≤ 5.3 R3641 C - SDA R3660...
  • Page 109 4.5 NO PICTURE: HDMI 3 RB3615 RB3616 (Supplementary TV Business Division information)
  • Page 110 4.5 NO PICTURE: HDMI 3 Q3603 R3657 CL3630 R3641 R3644 R3660 R3661 R3637 Q3600 R3625 CL3627 CL3638 (Supplementary TV Business Division information)
  • Page 111 4.5 NO PICTURE: HDMI 4 [Supply & Signal Lines] Part to Check for Power / Signal Lines Check Point Voltage Specification NG/Broken CL3639 4.8 ≤ V ≤ 5.3 R3645 R3626, R3638, R3642, Hot Plug Detect CL3628 4.8 ≤ V ≤ 5.3 Q3601 C - SDA R3662...
  • Page 112 4.5 NO PICTURE: HDMI 4 RB3617 RB3618 (Supplementary TV Business Division information)
  • Page 113 4.5 NO PICTURE: HDMI 4 Q3603 R3657 CL3630 R3663 R3662 R3638 R3645 Q3601 R3639 R3629 R3642 CL3628 (Supplementary TV Business Division information)
  • Page 114 4.5 NO PICTURE: Part Change List & Description Part Part No. Part Value Part Description Part Size Name R3644 RES, CHIP 1.0K (1005) R3645 121895381 1005 R3646 R3647 R3625 121897781 100k RES, CHIP 100K (1005) 1005 R3626 R3627 R3637 R3638 121895381 RES, CHIP 1.0K (1005) 1005...
  • Page 115 4.5 NO PICTURE: Part Change List & Description Part Part No. Part Value Part Description Part Size Name RB3613 RB3614 RB3615 RB3616 123440021 0.05 CONDUCTOR, NETWORK (1005X4) 1005X4 RB3617 RB3618 RB3619 RB3620 R3657 121899081 CONDUCTOR, CHIP (1005) 1005 Q3603 655356601 TR SSM3K324R,LSONYF (Supplementary TV Business Division...
  • Page 116 5.0 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 Resistor value Check resistor value on Parts issue...
  • Page 117 5.1 IR Remote Commander Error Battery of remote Center white LED blinks commander when pushing buttons IR remote commander does not respond of remote commander could be weak. at close to IR sensor. Change battery. Check harness Harness connection connection between B- issue board and SmartCore Change harness between...
  • Page 118 5.2 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 B-board and could be weak. light changed sensor setting is “ON” SmartCore Change battery.
  • Page 119 6.1 Ethernet Troubleshooting Flow [Network Set-up] >[Wired Set-up] on the TV Connection Results Connection Results Connection Results B board Local Access Internet Access Cable Connection Failed Faile Faile Check Auto Wired Set-up Proxy setting Check cable B board Local router IP address setting DHCP server Manual...
  • Page 120 6.1 Ethernet Troubleshooting Flow (Checking Points) Board Board PWB (A side) Detail Name CHK4 L3400 T3401 T3400 CHK3 CHK2 J340 CHK1...
  • Page 121 6.2 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...
  • Page 122 6.2 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 •...
  • Page 123 6.3 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 > Connection is OK Bluetooth Settings Can read Near discoverable Bluetooth Keyboard/Mouse operation manual Bluetooth Device else Loose BT antenna...

  • Page 124: Service Adjustments

    SECTION 4 SERVICE ADJUSTMENTS When finished the operation of service mode , please AC Plug OFF/ON the TV set. How to Enter Service Mode Service Mode Model Information >> From Standby Mode Self diagnosis History >> Video / Audio >> 1.
  • Page 125 Software Version 1) In Service Mode, select “Model Information”, press “Enter” or → button to enter Status Information Main Micro SW Version: Model Service Mode PKG2.011.0010NAB NVM Version: 0001 UC2 Model Information >> Boot Version: V1.000 Status Information PQ Version: 102100006 >>...
  • Page 126 Serial Number Edit (1) Service Mode In “Service Mode”, select “Model Information” by Model Information >> Self diagnosis History >> pressing “↑” or “↓” then pressing “Enter” or “→” button to Video / Audio >> Panel / PQ >> General Setting >>...
  • Page 127 Serial Number Edit (2) Service Mode If YES is selected, the input data is saved into >> Status Information >> EEPROM. SERIAL NUMBER EDIT is grayed out and Model Information >> Model Number Setting <[ KDL-40X500B ]> the serial number that has been input is displayed. Serial Number Edit 9 9 9 9 9 9 9 User will not able to edit anymore.
  • Page 128 Model Number Setting 1) In “Service Mode”, select “Model Information” Service Mode by pressing “↑” or “↓” then pressing “Enter” or Service Mode >> Model Information >> “→” button to enter inside. Status Information >> Self diagnosis History >> 2) Select “Model Number Setting” by pressing “↑” Model Information >>...
  • Page 129 WB Adjustment Please apply Main board or panel is replaced. 1. In “Panel/PQ” service mode a. Go to “WB Adjustment” category by “↑” or “↓”. b. To select “WB Adjustment”, press → button. c. To change data , press “←” or “→” on remote commander. Panel / PQ Back <<...
  • Page 130 WB/Mura/CUC data transfer Please apply Main board or panel is replaced. 1. 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. c. To change data , press “←” or “→” on remote commander. Panel / PQ <<...
  • Page 131 HDD Performance Check 1) In “Service Mode”, select Service Mode General Setting “General Setting” by pressing Model Information >> Back << “↑” or “↓” then pressing “Enter” Self diagnosis History >> Aging mode <[On/Off]> Video / Audio >> or “→” button to enter inside. HDD Performance Check >>...
  • Page 132 HDD Re-Register In “Service Mode”, select “General Service Mode General Setting Setting” by pressing “↑” or “↓” then Model Information >> Back << pressing “Enter” or “→” button to Self diagnosis History >> Aging mode <[On/Off]> Video / Audio >> enter inside.
  • Page 133 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 134 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 135: Diagrams

    SECTION 2 DIAGRAMS 2-1.CIRCUIT BOARD LOCATION 1. KDL- 43* 2. KDL- 49* SWITCH SWITCH UNIT UNIT LD1_43 ASSY BFX_ASSY Smart Core LD1 49 ASSY BFX_ ASSY Smart Core 3. KDL- 55* SMART CORE BLOCK WLAN/BT MODULE HSC3 MOUNT SWITCH UNIT BFX ASSY GL71_ASSY Smart Core...
  • Page 136 5-2. Block Diagram FY17 KF/KFC/KFW Some control lines are left out. * depend on destinations. BFX board RGBW Center Key Video signal LEDs * CAS/CI DDCs Audio signal L/R Keys Light Sens. Control Bus Power IR Rx * RF Micro Backlight Component/ GLx board...
  • Page 137 5-3. Connector Diagram : KF_43”...
  • Page 138 5-3. Connector Diagram : KF_49”...
  • Page 139 5-3. Connector Diagram : KF_55”...
  • Page 140 Sony EMCS (Malaysia) Sdn. Bhd. English RDCM 9-888-720-02 © 2017.02...

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Kd-43xe8 seriesKd-43x8 e seriesKj-43x8 e seriesXbr-43x8 e seriesFw-49xe8 seriesFw-49x8 e series ... Show all