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Sony KD-55X8 G Series Service Manual
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Sony KD-55X8 G Series Service Manual

Sony KD-55X8 G Series Service Manual

Gn5ur chassis
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SERVICE MANUAL (COMMON)
ORIGINAL MANUAL ISSUE DATE: 2019.02
(See next page (for revision )
Conditions of Use:
(1) Please use this information only for the purpose of performing repair, maintenance and/or configuration services of the Sony products
(hereinafter the "Repair services") under the service agreement entered into with the Sony group company (hereinafter the "Service
agreement"). Using this information for any purpose other than the purpose described foregoing is forbidden.
(2) Only the Authorized Servicer's officers, employees or subcontractors (including their officers and employees) whose duties justify a
need-to-know and who have agreed to hold confidential this information (collectively hereinafter the "Permitted users") are permitted to
access and use this information. To disclose or disseminate to any person other than the Permitted users is forbidden.
(3) Destroy or erase any and all portion of this information promptly in an irrecoverable and secure fashion after achieving the purpose
described in Section (1) above.
(4) Do not copy, replicate, reproduce, alter, translate, transmit, sell, lease, or distribute this information in whole or in part without the prior
written permission of the author.
(Notwithstanding foregoing, it is permitted to copy and distribute this information to the Permitted users.)
(5) Please notify immediately any leakage, loss, theft, misappropriation, or other misuse of this information by e-mail to the following
address:
somk-gcs-tissnexim-adm@jp.sony.com
(6) In addition to the above, the terms and conditions of the Service agreement shall be applied to using this information.
Revision of Information:
This information may be changed or updated at any time without any prior notice. Please confirm that this information is up-to-date before
using it.
GN5UR CHASSIS
Segment : SL
9-888-764-01
LCD TV
Sony EMCS (M) Sdn. Bhd., SVPM
© 2019.02

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Summary of Contents for Sony KD-55X8 G Series

  • Page 1 Conditions of Use: (1) Please use this information only for the purpose of performing repair, maintenance and/or configuration services of the Sony products (hereinafter the “Repair services”) under the service agreement entered into with the Sony group company (hereinafter the “Service agreement”).
  • Page 2 REVISION HISTORY Version Date Subject 2019.02 1. 1 Issue...
  • Page 3 MODEL LISTS THIS SERVICE MANUAL CONTAINS COMMON INFORMATION FOR BELOW REGIONS AND MODELS: REGION ASIA AMERICA EUROPE CHINA JAPAN MODEL KD-55X8*G KD-65X8*G KD-75X8*G KD- 85X8*G KD-55XG8* KD-65XG8* KD-75XG8* KD- 85XG8* XBR-55X8*G XBR-65X8*G XBR-75X8*G XBR–85X8*G KJ-55X8*G KJ-65X8*G KJ-75X8*G...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Section Title Page SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLE SHOOTING SERVICE ADJUSMENT DIAGRAMS Please refer Service Manual – Unique for below information : -Dissassy and Removal Caution -Wire Dressing -Circuit Board Location -Exploded Views and Parts List Note: Pictures provided in this manual may have difference from actual sets.

  • Page 5: Safety Notes

    Replace these components with Sony parts whose part inverter circuit. (High voltage occurs at the inverter circuit at 650Vrms) numbers appear as shown in this manual or in supplements published by Sony. 7) Always clean the LCD panel with a soft cloth material.
  • Page 6 10) During the repair, DO NOT leave the Power On or Burn-in period for *Do not recommend power-on in the conditions which laid face down the more than 1 hour while the TV is face down on a cloth. Refer Figure 1 . panel, in repair activity.
  • Page 7 To reduce the risk of image retention: Other feature •Fill the screen by changing [Wide mode] to eliminate the black bars. The screen brightness is automatically reduced when displaying still Select [Wide mode] other than [Normal]. images, clocks, bright colours or logos etc. •Turn off the OSD (On Screen Display) by pressing the DISPLAY button, and turn off the menus from connected equipment.
  • Page 8 ※Things to prepare in advance 1) Caution for Board handling(Stress) Be sure to observe the following contents. ESD wrist-strap ① Hold the board with both hands ESD cushion/sheet ② Do not hold/push Heat-Sink Please use a bag containing the board or a special seat ③...
  • Page 9 ④Regardless of Good board or Defective board, always put it ⑦Do not hold Heat-Sink when take out or install it.. on ESD cushion/sheet slowly. ⑤Do not stack up 2) Caution for Board handling(ESD) Be sure to observe the following contents. ①When take off Rear-Cover, ②Use ESD wrist-strap do not touch to board...
  • Page 10 ※Installation example of wrist-strap ③When holding board, do not hit/touch to Plastic part(s) Please connect the clip to the metal part of the chassis of the TV with the wristband grounded. Below is a grounding example of each model. ＜K*-55/65A9F＞ ④After take defective board out from TV, put it into ESD bag.
  • Page 11 1-4. Caution About the Lithium Battery 1-6. 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 2) Outer case broken battery should not contact to water.
  • Page 12 1-7. How to Find a Good Earth Ground The servicing of these boards requires special precautions. It is 1)A cold-water pipe is a guaranteed earth ground; the cover-plate strongly recommended to use Lead Free Solder material in order to retaining screw on most AC outlet boxes is also at earth ground. guarantee optimal quality of new solder joints.

  • Page 13: 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 14 Self Diag. Quick Reference (Not LED blinking [Record Only]) Error Item SL/SLL TU_DEMOD <B/Tu> Tuner board set detect signal monitoring TCON_ERR <B/T> T-CON device I2C communication failure FRCTC_I2C <B> FRC device I2C communication failure AUD_ERR_I2C <B> Audio amp I2C communication failure Blue italic: detect at startup sequence only.
  • Page 15 Self Diagnosis service menu Entry (Self Diagnosis Display) Exit - Go to the standby by a remote. -If you want to finish service mode app, do AC OFF/ON - Push the buttons sequentially: →*Service mode app is disable perfectly <Display><5><Vol-><Power> -if you want to move home menu, push <HOME>button →*Service mode app do background(not disable perfectly) Self Diagnosis Display...
  • Page 16 Self Diagnosis Display Error Item Error count FY19 model (SL/SLL) Format of error timestamps YYMMDDhhmmss (in UTC) Example: SELF CHECK 120823132523 -> Aug 23 2012 13:25:23 UTC * Only when time is set, an error timestamp Back << is saved. 002 MAIN POWER 000000000000 000000000000...
  • Page 17 Retry Limitation by Remote/Power Key Smart Core Red LED Error Name Retry Permission Times Note blinking Number of off/on action for MAIN_POWER count shutdown is recorded to STDWN_OFFON_CNT_MAIN_POWER. STDWN_RTRY_LIMIT_MAINPOW MAIN_POWER R = 1 DC_ALERT (5V) STDWN_RTRY_LIMIT = 2 AUD_ERR STDWN_RTRY_LIMIT = 2 LD_ERR STDWN_RTRY_LIMIT = 2 BCM_ERR...

  • Page 18: Troubleshooting

    SECTION 3 TROUBLESHOOTING Triage Chart Before you make the service call… CHASSIS: 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 19 1.0 Overall Flow chart NO POWER G-Board START Main board problem RC can turn TV ON? AC connect (80~288V) Case 2 Replace Power Supply 12V output check (12.2~13.2V) Can TV power on? BL_ON active HIGH Main board problem (~3.3V) F6101 Replace Power Supply Fuse OPEN check Case 4...
  • Page 20 1.1 LD2 Troubleshooting Flow 19.5V supply voltage check Board: LD2 START Check fuse F1001 Change F1001 Is fuse not opened? Check Vin F1001 Change adaptor Is voltage > 18V? F1001...
  • Page 21 1.1 LD2 Troubleshooting Flow check 12.5V_TCON check DDCON START (AC ON) Check fuse Check 12.5V_TCON Change F1006/F1004 F1006/F1004 Is voltage < 11.0V? & F1007/F1000 & F1007/F1000 Is fuse OK? Check Vin F1006/F1004 Change adaptor & F1007/F1000 Check TCON_ON Is voltage > 18V? Change BSL C1024 board...
  • Page 22 1.1 LD2 Troubleshooting Flow Board: LD2 F100 C103 F100 C102 12.5V_TC F100 IC100 R300 F100...
  • Page 23 1.2 No Power u-com Failure P-on u-com control signal path summary BSL Board Model DDC : 1.0V_M3_CORE (IC608), 1.0V_M3_CPU (IC609), +3.3V_STBY #pin6 PGOOD_1 1.0V_M_GPU (IC610) Vdd u-com #pin9 supply voltage DDCs :1.8V_TU(IC405) , 1.0V_M3_CORE (IC608), 1.0V_M3_CPU P_ON_#1 #pin12 (IC609),1.0V_M_GPU (IC610) BL_ON #pin7 DDCs : 5V_MAIN&5.0V_VBUS&5V_AUDIO (IC402),...
  • Page 24 1.2 No Power u-com Failure BSL Board Model START Check 12V_MON Check 12.7V_MAIN Line Check VDD R426 Voltage. (from G board). C506 Voltage. Check 3.3V_STBY Line (L402, CN400 #14pin) Is the voltage >2.6V? Is the voltage >3.0V? Check DC_OFF_DET R448 Check TYPE_DET Change IC401 Type Detection Circuit problem.
  • Page 25 1.2 No Power u-com Failure Previous page BSL Board Model Check P_ON_#2 Check BL_ON CL417 R527 Change IC401 Change IC401 P-on u-com #pin13 (IC401) P-on u-com #pin7 (IC401) is >3.0V? Is the voltage >3.0V? Check P_ON_HL CL414 u-com IC401 is working OK Change IC401 P-on u-com #pin18 (IC401) is >3.0V?
  • Page 26 1.2 No Power u-com Failure Condition Actions to be taken Change B-board (Supplementary information)
  • Page 27 1.2 No Power u-com Failure Top side B-side P-ucom IC401 P-ucom (Supplementary information)
  • Page 28 Checking point CL417 CL418 CL416 C506 R526 R426 R434 R428 CL407 CL414 R527 R448 R521 CL405 CL412 R522 B-side (Supplementary information)
  • Page 29 1.3 No Power DDCON/LDO BSL Board Model Check item summary Board Operation IC Ref Voltage supply Output ref. Enable pin Enable source Fuse Vin ref. IC407 1.2V_HDMI C442 IC407 #PIN3 P-on u-com IC401 #pin13 C441 DC/DC IC408 1.8V_TU_P C419 D402 cathode P-on u-com IC401 #pin13 C417 DC/DC...
  • Page 30 1.3 No Power DDCON/LDO BSL Board Model Check item summary Board Operation IC Ref Voltage supply Output ref. Enable pin Enable source Fuse Vin ref. DC/DC IC409 1.5V_FRC C478 IC409 #pin5 P-on u-com IC401 #pin13 F404 C475 DC/DC IC410 0.95V_FRC C493 R506 P-on u-com IC401 #pin13...
  • Page 31 1.3 No Power DDCON/LDO BSL Board Model DDCON check IC Ref Voltage supply IC601 1.2V_M3_DDR IC408 1.8V_TU_P START Check IC402 Vin voltage Check Vin voltage Check C423 Change D400/D600 C417/C603 D400/D600 Is voltage >12V? Is voltage >3V? Is diode alive? Check 3.3V_STBY.
  • Page 32 1.3 No Power DDCON/LDO BSL Board Model DDCONs check Pleas refer page-3~4 for Ref Board Operation IC Ref Voltage supply number. START DC/DC IC408 1.8V_TU_P DC/DC IC402 5V_MAIN/5V_AUDIO DC/DC IC400 3.3V_MAIN/3.3V_AUDIO Check fuse Change Fuse F4xx / F6xx DC/DC IC405 1.8V_TU Is fuse OK? DC/DC...
  • Page 33 Checking Point Top-side B-side 0.95V_FRC 1.5V_FRC 5V_MAIN/5V_AUDIO 1.2V_M3_ 2.5V_M3_ 1.0V_M3_ 1.0V_M3_ CORE 1.0V_M3_ 1.8V_EMMC 1.05V_M3_ST_ET 1.2V_HDMI 3.3V_MAIN/3.3V_AUDIO 1.05V_M3_A 1.05V_M3_STBY 1.8V_TU 1.8V_TU_P (Supplementary information)
  • Page 34 Checking Point 5V_MAIN/5V_AUDIO 1.8V_TU_P F400 D401 D400 Pin4 C417 R455 IC402 C423 (Supplementary information)
  • Page 35 Checking Point 3.3V_MAIN/3.3V_AUDIO F402 R468 C444 IC400 B-side (Supplementary information)
  • Page 36 Checking Point 1.2V_M3_DDR 1.8V_TU F403 D601 C607 C603 D600 C461 IC405 Pin5 (Supplementary information)
  • Page 37 Checking Point 1.0V_M3_CORE 1.05V_M3_A IC608 F603 F600 C623 C615 IC604 R634 Pin5 (Supplementary information)
  • Page 38 Checking Point 1.0V_M3_GPU 1.0V_M3_CPU R654 IC609 IC610 F601 C639 C653 F602 R644 (Supplementary information)
  • Page 39 Checking Point 0.95V_FRC 1.5V_FRC Pin5 F405 IC410 C482 C475 F404 R506 (Supplementary information)
  • Page 40 1.3 No Power DDCON/LDO BSL Board Model LDOs check Pleas refer page-29 for Ref number. Board Operation IC Ref Voltage supply IC407 1.2V_HDMI START IC603 1.05V_M3_ST_ET Check 3.3V_DDC_OUT DDCON Check Vin voltage (IC400 on BSL) IC602 1.05V_M3_STBY C4xx/C6xx Is voltage >3V? 3.3V_STBY (G* board) IC606 2.5V_M3_DDR...
  • Page 41 Checking Point 1.2V_HDMI 1.05V_M3_STBY C610 IC602 IC407 Pin3 B-side C441 B-side (Supplementary information)
  • Page 42 Checking Point 1.05V_M3_ST_ET 2.5V_M3_DDR C618 IC603 IC606 Pin3 C612 B-side B-side (Supplementary information)
  • Page 43 Checking Point 1.8V_EMMC IC607 C620 (Supplementary information)
  • Page 44 1.4 No Power - Muffin3 Failure Muffin Fail Suspected Muffin LOG is Write DDR check Replace DDR Is there DDR error? displayed bootloader Power uCom and Check Muffin Log Follow 1.2&1.3 DDCON/LDO OK? related to eMMC Replace eMMC Is there “CRC error” Crystal X1200 Replace crystal Is there 24MHz?
  • Page 45 1.5 No Power - Muffin3 Replacement Muffin3 replacement flow eMMC need to be replaced when eMMC replacement changing Muffin3. Muffin3 replacement SW write (Supplementary information)
  • Page 46 SL/SLL 2.0 LED Blinking: 2x (Main power Error) 2-time blinking Check “12.7V_MAIN” at pin 11,13 of CN400 G Board/ on BSL Board, LD board Voltage > 13.2V ? BSL Board (Supplementary information)
  • Page 47 2.0 LED Blinking: 2x (Main power Error) Name Board PWB (A side) Detail CN400 11,13pin 12.7V_MAIN CN400 (Supplementary information)
  • Page 48 2.1 Detail of 3x LED Blinking Error Number of STBY Description Item LED flashing Uroboros2 DC_ALERT Main board 5V power rail monitoring AUD_ERR Audio amp error detection (Supplementary information)
  • Page 49 SL/SLL 2.1 LED Blinking: 3x (DC Alert Error) 3-time blinking (DC Alert) Check “12.7V_MAIN” Check “5V_MAIN” at pin 11,13 of CN400 at C431 on BSL board Retry on BSL board, 4.959V<Voltage<5.285V? Voltage = 12.2~13.2V? BSL Board G Board/ LD Board (Supplementary information)
  • Page 50 Check point for BSL Name Board PWB (A side) Detail 5V_MAIN at C431 CN400 CN400 11,13pin 12.7V_MAIN (Supplementary TV Business Division information)
  • Page 51 2.2 LED Blinking: 3x (Audio Error) Detail of 3x LED Blinking Error Number of STBY Description Item LED flashing Uroboros2 DC_ALERT Main board 5V power rail monitoring AUD_ERR Audio amp error detection TV Business Division...
  • Page 52 2.2 LED Blinking: 3x (Audio Error) 2.2 LED Blinking: 3x (Audio Error) LED 3x blinking (Audio Error) Replace G-PWB or LD2-PWB Finish (1) BSL-PWB or AC Adapter VDD-GND short ? Power Off (2) BSL-PWB Measure the Speaker Check +3.3V_Audio short ? impedance by multi-meter Replace Impedance out of range...
  • Page 53 2.2 LED Blinking: 3x (Audio Error) BSL-PWB (1) VDD-GND short check (4) POWER_AU check Measure impedance between VDD and GND at Measure voltage at capacitor C3312. capacitor C3312. Voltage is < 12.7V (G-Board) or 19.5V (L- impedance is <100Ω → NG Board) →...
  • Page 54 2.5 LED Blinking: 5x (Panel ID Read Error) 5-times blinking Replace Replace BSL Board Panel (T-con) Symptom Symptom Check Replace recover recover “+12.7V_TCON” G/LD Board G/LD Board on T-CON board BSL Board Panel (T-Con) Symptom recover Replace the Harness from G/LD Board Harness to BSL &...
  • Page 55 Location of +12.7V_TCON on TCON board 12.7V_TCON 12.7V_TCON SLL43 SL55 SLL49 SL65 SL75 12.7V_TCON SL85...
  • Page 56 2.6 LED Blinking: 6x (Panel Backlight Error) Check point on PWB refer next slide TV Business Division...
  • Page 57 2.6 LED Blinking: 6x (Panel Backlight Error) R300 LEDVC CN2000 LEDVC F200 F200 F200 F200 TV Business Division...
  • Page 58 2.7 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 59 Check point for BSL BSL board (A side) Detail I2C0_SCL IC1400 (Temperature Sensor) I2C0_SDA (Supplementary TV Business Division information)
  • Page 60 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 [BRAVIA Sync Settings]→ is connected [BRAVIA Sync Control]→[off] to HDMI in ? Go to No sound only HDMI ? 3.8 No Sound HDMI...
  • Page 61 3.1 No Sound Audio No Sound Speaker Replace BSL-PWB then OK ? Check ・[Speakers] setting is [TV Speakers]? ・Nothing is connected to Headphone terminal? ・Volume setting is not too small? Replace G-PWB/L-PWB and G-B Harness Measure the Speaker impedance by multi-meter. Replace Speaker Impedance out of range (6Ω...
  • Page 62 3.3 No Sound Power Off Check Power Off Check From 3.0 Power Off Check From 2.2 Measure the Speaker impedance by multi-meter. (1) BSL-PWB Replace Speaker Impedance out of range PVDD-GND short ? (6Ω to 10Ω) (See next page) *Measure the Tweeter capacitance by multi-meter.
  • Page 63 3.3 No Sound Power Off Check (1) PVDD-GND short check Measure impedance between PVDD and GND at BSL-PWB capacitor C3312. if impedance is <100Ω → NG (2) 3.3V short check Measure 3.3V voltage at C3279. impedance is <100Ω → NG (3) Fuse open check Measure impedance of fuse F3202/F3201 5A .
  • Page 64 3.4 No Sound Power On Check Power On Check From 2.2 PVDD (POWER_AU) voltage is 200W AC Adaptor model : 19.5V (4) PVDD check Built-in power supply model : 12.7V PVDD is supplied to BSL-PWB for a moment Measurement point is same as 3.3 (1) PVDD-GND short before LED 3x blinking ? check.
  • Page 65 3.5 No Sound Audio Headphone out/Optical Out No Sound No Sound Optical out Headphone out Check [Settings] Check ・[Speakers] setting is [TV Speakers]? ・Volume setting is not too small? ・[Digital Audio Out] is [PCM] ? ・[Digital audio out volume] is [Max]? no sound Replace BSL-PWB Replace BSL-PWB...
  • Page 66 3.7 NO SOUND TUNER No Sound with normal picture Only RF tuner input? Please refer Audio Replace B-board troubleshooting TV Business Division...
  • Page 67 3.8 NO SOUND: HDMI 1/2/3/4 No Sound eARC/ARC No Sound (HDMI3) Check the picture Refer to 4.5 HDMI NO PICTURE Except HDMI3 Check the Port Change to HDMI 3 HDMI Not support eARC/ARC Check sound by other TV set Change to eARC/ARC Refer to 3.0 No Sound Check the Amplifier which is same model...
  • Page 68 4.0 No Picture BL_ON (L or H): IC401 #7pin or R527 No Picture BL_ON：H Check Smart Core Check Replace Replace Got Any Normal LCD Panel Behavior BL_ON the V by One FFC the main Board (T-CON) Display? (5x Blinking) on the main board Harness BL_ON：L System...
  • Page 69 4.0 No Picture Check point for BSL BL_ON (IC401 #7pin or R527) Name Board PWB (A side) Detail R527 IC401 IC401 Pin#7 TV Business Division...
  • Page 70 4.1 Video Analog Signal Path (WW) AP3:GPIO56 VIDEO_DET Video/Component (Rear) AN25:SOY0 SCART_FB/COMP_Y AL27:CVBS0P CVBS0P AM25:Y0P SCART_SB/COMP_Y AP26:PB0P SCART_SG/COMP_PB IC1000 AM26:PR0P SCART_SR/COMP_PR AF7:GPIO49 CR_DET TV Business Division...
  • Page 71 4.2 No Picture (WW) Checking condition: - TV ON & Video/CVBS/Composite/Component input cable is No Picture connected to Video/CVBS/Composite/Component source output. - TV UI Display : Video 2/Component Component Video No Picture No Picture NG (Vpp: 0 V) Check if input OSD Check J2600 Connector, OK (Vpp: 3.3 V) Check if input OSD...
  • Page 72 Actions to be taken Condition Change B-board Muffin [IC1000] Problem J2600 Connector Problem Change Connector J2600 Connectivity Problem Change Part according to Parts Broken remarks TV Business Division...
  • Page 73 4.2 Video Analog Signal Path - Checking Point (BSL) Board Name Board PWB (A side) Details BSL(A-Side) Details (i) J2600 C2601 R2606 R2610 C2603 C2601 C2602 C2603 C2605 C2606 C2606 R2603 C2607 C2611 C2627 D2601 R2603 VR2603 VR2602 D2601 VR2601 R2604 Details (ii) R2606...
  • Page 74 4.2 Video Analog Signal Path - Checking Point (BSL) Board Name Board PWB (A side) Details BSL(B-side) R2626 R2650 R2650 R2626 Details TV Business Division...
  • Page 75 4.2 Input Skip function (BSL) Under default condition; If user insert analog video cables into video jacks, the Video/Component will be highlighted and can be selected. The detection mechanism is based on below tables. Destinati Input Signal Non- Detect Detect (Typica (Typical) Video /...
  • Page 76 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: Please refer DDCON 3.3V at JL2800 = 3.3V? troubleshooting 1.8V at JL2801 = 1.8V? RESET value at JL2807 = 3.3V? Check part mounting condition Change NG parts connected...
  • Page 77 4.4 No Picture Tuner From Previous page Digital Satellite Terrestrial/Cable Analog Check Tuner power line 12V at JL2822 = 12V? For AEP_W, JP ISDB, PA_T2,PA_ISDB, CH/HK, For TW, NA-ATSC(MX/UC) and LA-T2(COL) and LA-ISDB-T Refer Analog Tuning 12V LNB Voltage Checking Refer Digital Tuning 1 Refer Digital Tuning 2 TV Business Division...
  • Page 78 4.4 No Picture Tuner BSL Tuner potion(Top View) BSL (Top View) For Tuner Power Lines For Tuner Power Lines 3.3V 1.8V (All Destination except PL) 3.3V (Only Philippines, PL) BSL Tuner potion(Bottom View) For Tuner Power Lines JL2800 = 3.3V JL2801 = 1.8V JL2822 = 12V JL2807 = RESET:3.3V...
  • Page 79 4.4 No Picture Tuner BSL (Top View) For Tuner I2C line R2800 R2801 C2803 C2804 C2805 R2805 R2804 C2806 TV Business Division...
  • Page 80 4.4 No Picture Tuner FOR 12V LNB Voltage Checking: @ AEP_W and JP ISDB +12V_LNB Voltage Checking Check LNB power line Check P_ON_HL signal line MOSFET Q408/Q409 Check fuse F2801/F2800 +12V_MAIN at R495 = 12V? R451 (CL414) = 3.3V? broken Change the fuse AC adapter Please refer DDCON...
  • Page 81 4.4 No Picture Tuner BSL (Top View) 12V LNB Voltage line R451 CL414 +12V_MAIN R495 Q408 F2800 +12V_LNB Q409 F2801 TV Business Division...
  • Page 82 4.4 No Picture Tuner FOR ANALOG TUNING: @ All destination except JP Notes: - Parts for IFOUT_N line : FB2801, C2807 For LA-ISDB(BR/AR), LA-T2(COL) and TW only Analog Tuning - Parts for IFOUT_P line : FB2802, C2808 - Parts for IFAGC line : R2838, C2827 For Other destination Confirm ANT or Cable connection...
  • Page 83 4.4 No Picture Tuner FOR DIGITAL TUNING 1: @ TW, NA-ATSC(MX/UC) and LA-ISDB-T. Digital Tuning 1 Notes: - Parts for IFOUT_N line : FB2801, C2807 - Parts for IFOUT_P line : FB2802, C2808 For TW/LA-ISDB-T - Parts for IFAGC line : R2838, C2827 For NA-ATSC(MX/UC) : Insert correct signal in correct terminal.
  • Page 84 4.4 No Picture Tuner BSL(Top View) IF & IFAGC line C2827 R2838 C2808 C2807 FB2802 FB2801 TV Business Division...
  • Page 85 4.4 No Picture Tuner FOR DIGITAL TUNING 2: @ AEP_W, JP ISDB , PA_T2, CH/HK, and LA-T2(COL) Digital Tuning 2 For PA_T2, PA_ISDB and LA-T2(COL) For AEP-W/ JPISDB CH/HK Confirm ANT or Cable connection Confirm ANT or Satellite connection Terrestrial Notes: - Parts for TU1_TS_DATA0 line : R2879 - Parts for TU1_TS_CLK line...
  • Page 86 4.4 No Picture Tuner BSL(Top View) TS1 line R2879 R2881 R2880 R2882 R2848 (Under the heatsink) TV Business Division...
  • Page 87 4.5 NO PICTURE: HDMI 1/2/3/4 No Picture ① Check HDMIcable Change HDMIcable +5V line NG Spec:4.7~5.3V Check the below point at Other Input is OK Check other Connector side ・Check +5V line CL3610/3607/3613/3609 HDMI input ・Check HPD line CL3605/3606/3601/3608 All Inputs NG +5V line OK Other TV set and HPD line NG...
  • Page 88 4.5 NO PICTURE: CHECK POINTS HDMI 1 & 2 HDMI 1 +5V part :R3618 +5V line :CL3610 HPD line :CL3605 HDMI HDMI 2 +5V part :R3619 +5V line :CL3607 HPD line :CL3606 CL3610 R3618 CL3605 HDMI CL3607 CL3605 R3619 TV Business Division...
  • Page 89 4.5 NO PICTURE: CHECK POINTS HDMI 3 & 4 HDMI 3 B-side A-side +5V part :R3718 +5V line :CL3613 HDMI HPD line :CL3601 HDMI HDMI 4 +5V part :R3620 +5V line :CL3609 HPD line :CL3608 R3718 CL3613 CL3613 CL3609 HDMI R3620 CL3609 TV Business Division...
  • Page 90 5.0 Key Switch Button Error Check harness connection between Side key buttons error Harness connection issue B-board and switch module Change harness between B-board to B-board to switch module switch module harness issue harness Change switch Switch module issue module Resistor value R1279 : 47k [ohm] R1505: 4.7k [ohm]...
  • Page 91 Resistor location R1277, R1278, R1279 (A-side) R127 R127 R127 3-Key connector TV Business Division...
  • Page 92 Resistor location Main SOC R1353 (B-side) Main SOC R1505 (B-side) TV Business Division...
  • Page 93 5.1 IR Remote Commander Error Center white LED Battery of remote blinks when pushing IR remote commander commander buttons of remote could be weak. does not respond commander at close Change battery. to IR sensor. Check harness connection between Harness connection B-board and Smart issue Core...
  • Page 94 Resistor location R1329 (A-side) R1329 H-board connector TV Business Division...
  • Page 95 Resistor location R1506 (B-side) Main R1506 TV Business Division...
  • Page 96 Fuse location F1206 (A- side) F1202 (A- side) TV Business Division...
  • Page 97 5.2 Light Sensor Error Check harness Setting is “ON” Check UI setting and Backlight level does not connection between Harness connection make sure light sensor change when ambient B-board and Smart issue setting is “ON” light changed Core harness Setting is “OFF” Change harness B-board to Smart Core harness between B-board to...
  • Page 98 Resistor location R1280 (A-side) H-board connector TV Business Division...
  • Page 99 Fuse location F1204 (A- side) F1201 (A- side) TV Business Division...
  • Page 100 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 Failed Auto Check Proxy setting Wired Set-up Check cable B board Local router IP address setting DHCP server Manual...
  • Page 101 6.0 Network Malfunction: Ethernet (Wired) Check point for BSL Board PWB (A side) Detail T3501 L3501 D3502 J3400 T3502 TV Business Division...
  • Page 102 6.2 Wireless Network malfunction Screen Mirroring is not supported starting FY19 1) Internal Wireless Network malfunction Wireless Network on the TV Error message or no Is the Wi-Fi radio scan result appear in the BSL Board strength too weak network setting? or even No signal? Hardware defect suspected.
  • Page 103 6.2 Wireless Network malfunction From previous page Check 20P FFC Connect properly connection is OK Loose 20P FFC between WiFi/BT Module and BSL Change 20P FFC Check with between BSL board another WiFi/BT Change BSL board and WiFi/BT Module module If Wi-Fi malfunction happens, ・Wi-Fi module ・Harness between WiFi and BSL...
  • Page 104 6.3 Bluetooth malfunction Bluetooth Speaker is supported and Voice Remote doesn’t work 3D-glasses is not supported from FY17 Bluetooth Speaker/Headphone/Headset doesn’t work Please refer Voice Remote manual Home > Settings > Bluetooth Settings Can read Bluetooth Speaker/Headphone/Headset operation manual Near discoverable Bluetooth Device else Check 20P FFC...

  • Page 105: Service Adjusment

    SECTION 4 SERVICE ADJUSTMENT When finished the operation of service mode , please AC Plug OFF/ON the TV set *If you don’t do AC plug OFF/ON, remain the Service Mode App and user can see the Service Mode after RC ON. 4.1 How to Enter Service Mode From Standby Mode 1.
  • Page 106 Software Version 1) In Service Mode, select “Model Information”, press “Enter” or → button to enter Status Information Main Micro Service Mode SW Version: PKG1.1.0.21.86.1.00.0 Model NVM Version: 0051CEI Boot Version: V1.00000000 Model Information >> PQ Version: 03400001 Status Information Self diagnosis History >>...
  • Page 107 Serial Number Edit (1) Service Mode In “Service Mode”, select “Model Model Information >> Information” by pressing “↑” or “↓” then Self diagnosis History >> Video / Audio >> pressing “Enter” or “→” button to enter Panel / PQ >> General Setting >>...
  • Page 108 Serial Number Edit (2) Model Status Information >> YES is selected, the input data is Model Information >> >> >> Model Number Setting saved into EEPROM. SERIAL Serial Number Edit 9999999 NUMBER EDIT is grayed out and the serial number that has been input is displayed.
  • Page 109 Model Number Setting 1) In “Service Mode”, select “Model Information” by Service Mode Model pressing “↑” or “↓” then pressing “Enter” or Model Information >> “→” button to enter inside. Status Information Self diagnosis History >> >> Model Information Video / Audio >>...
  • Page 110 WB Adjustment (If necessary) 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 << WB Adjustment >>...
  • Page 111 WB/Mura/CUC data transfer (LCD Model only) Please apply Main board or panel is replaced. In “Panel/PQ” service mode Go to “WB/Mura/CUC data transfer” category by “↑” or “↓”. To select “WB/Mura/CUC data transfer”, press → button. To change data , press “←” or “→” on remote commander. Back <<...
  • Page 112 HDD Performance Check (EU only) In “Service Mode”, select Service Mode General Setting “General Setting” by pressing Model Information >> Back << “↑” or “↓” then pressing Self diagnosis History >> Aging mode <[ ]> “Enter” or “→” button to enter Video / Audio >>...
  • Page 113 HDD Re-Register (EU Only) In “Service Mode”, select Service Mode General Setting Model Information >> Back << “General Setting” by pressing Self diagnosis History >> Aging mode <[ ]> “↑” or “↓” then pressing Video / Audio >> Ship Confirm >>...

  • Page 114: Diagrams

    SECTION 5 DIAGRAMS Some control lines are left out. 5.1 SL Block Diagram Some control lines are left out. * depend on Video signal destinations. RGB LEDs Center Key Audio signal Light Sens. L/R Keys Control Bus IR Rx * IR In BSL board Panel ACAS...
  • Page 115 5.2 Connector Diagram 55 inch (Supplementary information)
  • Page 116 5.2 Connector Diagram 65 inch (Supplementary information)
  • Page 117 5.2 Connector Diagram 75 inch (Supplementary information)
  • Page 118 5.2 Connector Diagram 85 inch (Supplementary information)
  • Page 119 Sony EMCS (M) Sdn. Bhd. English SVPM 9-888-764-01 © 2019.02...

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