Sony XR-55A90J Page 29 Service Manual Download

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1.3 No Power DDCON / LDO

Please Refer page 24 -25 for Ref No.

DDCONs & LDOs Check

Check Enable pin

voltage

Is voltage >3V?

1.2 No Power U-Com Failure

Enable source

START

yes

Change DDCON

Or LDO IC

Check Vcc voltage

C4xx/C8xx

Is voltage >3V?

Check 3.3V_STBY (Power board)

yes

Board

Operation

IC Ref

Voltage supply

BM5S21

DC/DC

IC418

5.0V_STBY_H

BM5S21

LDO

IC403

3.3V_MAIN_H

BM5S21

LDO

IC806

1.8V_M5_ET_STBY

BM5S21

LDO

IC809

3.3V_M5_STBY

T R O U B L E S H O O T I N G

SAFETY NOTES

SELF DIAGNOSTIC FUNCTION

TROUBLESHOOTING

SERVICE ADJUSTMENT

DIAGRAM

HANDLING GUIDE

SYS SET

2021/02/04 23:38:48 (GMT+09:00)

Summary of Contents for XR-55A90J

Page 1: ...isclose 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 permissi...

Page 2: ...Version Date Subject 1 2021 02 1st Issue R E V I S I O N H I S T O R Y SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 3: ...IS SERVICE MANUAL CONTAINS COMMON INFORMATION FOR BELOW REGIONS AND MODELS REGION AMERICA ASIA CHINA MODEL XR 55A90J XR 65A90J XRM 55A90J XRM 65A90J M O D E L L I S T SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 4: ... for below information Disassembly and Removal Caution Wire Dressing Circuit Board Location Exploded Views and Part Lists Title Page SAFETY NOTES 5 SELF DIAGNOSTIC FUNCTION 13 TROUBLESHOOTING 19 SERVICE ADJUSTMENT 71 DIAGRAMS 82 HANDLING GUIDE 85 TA B L E O F C O N T E N T SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 5: ...erform any servicing other than that contained in the operating instructions unless you are qualified to do so 3 WARNING An isolation transformer should be used during any service to avoid possible shock hazard because of live chassis The chassis of this receiver is directly connected to the ac power line The replaceable fuse could be in the neutral of the mains supply When replacing the fuse the ...

Page 6: ...echnology and 99 99 or more of the pixels are effective black dots may appear or bright points of light white red blue or green may appear constantly on the OLED screen This is a structural property of the OLED screen and is not a malfunction Do not push or scratch the front filter or place objects on top of this TV set The image may be uneven or the OLED screen may be damaged The screen and cabin...

Page 7: ...el refresh takes about one hour to complete A white line may be displayed on the screen during the Panel refresh this is not a malfunction of the TV Panel refresh will only work when the room temperature is between 10 ºC and 40 ºC Pixel shift Automatically moves the image on the screen to prevent image retention Other feature The screen brightness is automatically reduced when displaying still ima...

Page 8: ...aining the board or a special seat Things to prepare in advance 1 Caution for Board handling Stress Be sure to observe the following contents Handle with care Do not swing Hold the board with both hands Do not hold push Heat Sink S A F E T Y N O T E S SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 8 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 9: ...hen place into Box Container Box Do not hold Heat Sink when take out or install it 2 Caution for Board handling ESD Be sure to observe the following contents When take off Rear Cover do not touch to board Use ESD wrist strap S A F E T Y N O T E S SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 9 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 10: ... Use Multi meter to make sure resistance of ESD wrist strap is OK R 750K Ohms to 35Mega Ohms 1 0 When holding board do not hit touch to Plastic part s After take defective board out from TV put it into ESD bag Do not place on floor mat carpet direct And always put it on ESD cushion S A F E T Y N O T E S SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE...

Page 11: ...e test as described next 8 For safety reasons repairing the Power board and or Inverter board is prohibited 1 6 Leakage Test To protect electric shock when customer touch the terminal Leakage current can be measured by V Voltmeter or oscilloscope r m s or peak reading Stabilized power supply instrument and isolated voltage transformer Use too much current capacity and isolated voltage transformer ...

Page 12: ...essary to locate the hot side on the line the lamp should light at normal brilliance if the screw is at ground potential see Figure 3 Figure 3 Checking for earth ground The servicing of these boards requires special precautions It is strongly recommended to use Lead Free Solder material in order to guarantee optimal quality of new solder joints S A F E T Y N O T E S SAFETY NOTES SELF DIAGNOSTIC FU...

Page 13: ...LED will identify the first of the problem areas Result for all of the following diagnostic items are displayed on screen If the screen displays a 0 no error has occurred Self Diag Quick Reference LED blinking Notes Blue italic detect at startup sequence only G Power Supply board B Main board T T con board LD LD board P Panel module S Speaker Smart Core RED LED blinking count AS 2x B G Main 12V ov...

Page 14: ...ication failure TEMP_ERR_I2C B H Temp sensor I2C communication failure TU_DEMOD_I2C B Tuner Demodulator I2C communication failure EARC_ERR_I2C 8KBE_COM_ERR 8KSHV_ERR AMB_ERR_I2C Notes B Main board T T con board H LED IR sensor board TSP TSP board S E L F D I A G N O S T I C F U N C T I O N SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 14 SYS SET 20...

Page 15: ...000000 000000000000 000 003 AMB ERR I2C 000000000000 000000000000 000000000000 000 004 LD ERR 000000000000 000000000000 000000000000 000 004 BCM ERR 000000000000 000000000000 000000000000 000 005 TCON ERR 000000000000 000000000000 000000000000 000 005 P ID ERR 000000000000 000000000000 000000000000 000 006 BACKLIGHT ERR 000000000000 000000000000 000000000000 000 007 TEMP ERR 000000000000 000000000...

Page 16: ...00000000000 000 008 4KBE ERR 000000000000 000000000000 000000000000 000 Back 00005 00414 00002 Home Exit Up Down Scroll Smart Core Red LED blinking count Error Item Error count Total Operation Time hr Boot Count Panel Operation Time hr Error timestamp for last recorded error Error timestamp for 2nd last recorded error Error timestamp for 3rd last recorded error Format of error timestamps YYMMDDhhm...

Page 17: ...00 004 LD ERR 000000000000 000000000000 000000000000 000 004 BCM ERR 000000000000 000000000000 000000000000 000 005 TCON ERR 150101000504 000000000000 000000000000 001 005 P ID ERR 000000000000 000000000000 000000000000 000 006 BACKLIGHT ERR 000000000000 000000000000 000000000000 000 007 TEMP ERR 150101000200 150101000002 000000000000 002 007 TEMP ERR I2C 000000000000 000000000000 000000000000 000...

Page 18: ...is recorded to STDWN_OFFON_CNT 1 If STDWN_OFFON_CNT STDWN_RTRY_LIMIT and STDWN_OFFON_CNT_MAIN_POWER STDWN_RTRY_LIMIT_MAINPOWR you can turn the set on by a remote power key At this time if the error occurs again the STDWN_OFFON_CNT is incremented by 1 2 When the main micon operates normally for STDWN_OFFON_CLR 60 minutes STDWN_OFFON_CNT and STDWN_OFFON_CNT_MAIN_POWER are cleared Number of off on ac...

Page 19: ...R_I2C 8KBE_CO M_ERR AMB_ERR _I2C No White Power LED does not reponse to remote Dead Set Stationary colored lines or dots No video One of Inputs NO RF input No video all Inputs No Remote Cannot connect to Wireless Network No Audio Smart Core no LED Set is still alive Bluetooth One Step Remote OSR can t connect B Board G Board H Board Actuater Panel module Speaker Sub woofer Wifi BT Module V By One ...

Page 20: ...oard Replace Between Power Board to BM5S21 Board Harness BM5S21 Board NG OK NG OK u Com Failure DDCON LDO Main Device Failure T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 20 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 21: ...n6 3 3V_STBY POWER_ON ORESETB pin7 BL_ON DC_OFF_DET pin18 P_ON_HL FET SW 12 7V_LNB Q604 Q605 SW IC 3 3V_TU_P Q609 IC604 USB VBUS SW IC3801 IC3806 pin11 ADC port pin8 12 7V_AUDIO R462 pin16 ADC port R444 X_BL_MUTE pin3 12 7V_MAIN R450 pin20 VDD 12V_MON GND TYPE_DET MIC_PWR_ON DC_MON GND pin17 GND 3 3V_STBY R445 R446 Q400 Tr SW SOC IC5000 IC413 TCON_24_ON TCON_12_ON pin1 NRST pin15 JIG_RST pin19 RET...

Page 22: ...Is the voltage 3 0V Check 3 3V_STBY Line C1708 CN1700 9pin no Check TYPE_DET CL408 or R451 Voltage Is the voltage 2 6 0 2V no yes Check OPWRSB CL411 or R460 Voltage Is the voltage 0V SOC Muffin 5 problem IC1000 AP17 OPWRSB no yes Check PGOOD_1 CL413 or R456 Voltage Is the voltage 3 0V 1 3 No POWER DDCON LDO Check 0 8V_M5_CORD DCON IC804 no yes Type Detection Circuit problem Check TYPE_DET Line R44...

Page 23: ...nge IC401 Change IC401 Previous page Check X_BL_MUTE CL412 or R459 Voltage Is the voltage 3 0V no yes Check X_BE_RST from SOC Muffin If X_BE_RST is 3 0 SOC BE IC5000 problem Otherwise SOC Muffin 5 IC1000 problem END u com IC401 is working OK Check BL_ON CL420 or R471 Voltage Is the voltage 3 0V Change IC401 no yes T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING ...

Page 24: ...rted R804 R907 3 3V_STBY C807 CL822 BM5S21 DC DC IC803 1 8V_STBY C812 CL811 R822 shorted R804 3 3V_STBY C810 CL824 BM5S21 DC DC IC804 0 8V_M5_CORE C846 JL803 R849 shorted CL816 P_ON_ 1 F802 C831 BM5S21 LDO IC806 1 8V_M5_ET_STBY C818 JL808 R832 shorted IC1000 AN19 ETHER_PWR_EN C817 CL826 BM5S21 DC DC IC807 1 8V_M5 C823 JL811 R833 shorted CL827 P_ON_ 2 F800 C822 BM5S21 DC DC IC808 1 0V_M5 C829 JL813...

Page 25: ...7 R4907 1 8V_BE_DDC F4801 C4812 BM5S DC DC IC4802 0 9V_BE_DDC_1 C4820 JL4805 R4819 shorted CL4818 P_ON_ 1 F4802 C4819 BM5S DC DC IC4803 0 9V_BE_DDC_2 C4828 JL4807 R4827 shorted CL4819 P_ON_ 1 F4803 C4827 BM5S DC DC IC4809 0 8V_BE C4860 JL4819 R4849 shorted CL4808 P_ON_ 1 F4804 C4845 BM5S DC DC IC4810 0 7V_BE C4878 JL4821 R4865 shorted CL4811 P_ON_ 1 F4805 C4863 T R O U B L E S H O O T I N G SAFETY...

Page 26: ...age C801 CL819 Is voltage 4V yes Check D801 Is diode alive no yes Check 5V_MAIN DDCON IC600 Check IC600 Vcc voltage C601 Is voltage 12V no yes Board Operation IC Ref Voltage supply BM5S21 DC DC IC801 1 1V_M5_DDR BM5S21 DC DC IC802 0 9V_M5_STBY BM5S21 DC DC IC803 1 8V_STBY DDCONs Check Please Refer page 24 25 for Ref No T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOO...

Page 27: ...yes Check D600 Is diode alive no yes Check 3 3V_STBY Power board Change D601 no Check Vcc voltage C628 Is voltage 4V yes Check D601 Is diode alive no yes Check 5V_MAIN DDCON IC600 Check IC600 Vcc voltage C601 Is voltage 12V no yes Board Operation IC Ref Voltage supply BM5S21 DC DC IC603 1 0V_TU_P T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT...

Page 28: ...IC Ref Voltage supply BM5S21 DC DC IC600 5V_MAIN 5V_AUDIO BM5S21 DC DC IC601 3 3V_MAIN 3 3V_AUDIO BM5S21 DC DC IC804 0 8V_M5_CORE BM5S21 DC DC IC807 1 8V_M5 BM5S21 DC DC IC808 1 0V_M5 BM5S21 DC DC IC810 0 8V_M5_CPU BM5S21 DC DC IC811 0 8V_M5_GPU Board Operation IC Ref Voltage supply BM5S21 DC DC IC4800 1 8V_BE_DDC BM5S21 DC DC IC4801 1 1V_BE BM5S21 DC DC IC4802 0 9V_BE_DDC_1 BM5S21 DC DC IC4803 0 ...

Page 29: ...k Vcc voltage C4xx C8xx Is voltage 3V Check 3 3V_STBY Power board no yes yes Board Operation IC Ref Voltage supply BM5S21 DC DC IC418 5 0V_STBY_H BM5S21 LDO IC403 3 3V_MAIN_H BM5S21 LDO IC806 1 8V_M5_ET_STBY BM5S21 LDO IC809 3 3V_M5_STBY T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 29 SYS SET 2021 02 04 23 38 48 GMT 0...

Page 30: ...k present Write DDR check bootloader No Yes eMMC data corruption No Is there DDR error Replace Muffin5 Replace DDR Yes Store SW log check SW behaviors Is there DDR error Write DDR check bootloader No Replace DDR Yes No Muffin5 replacement SW write Muffin5 replacement flow eMMC replacement eMMC need to be replaced when changing Muffin5 1 5 No Power Muffin5 Replacement T R O U B L E S H O O T I N G ...

Page 31: ...8 of CN1700 1701 BM5ST Pin 5 8 of CN1700 BM5S21 Pin 5 7 of CN1700 Yes No BM5S21 BM5ST BM5A Board Power Board Local Dimming Board T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 31 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 32: ...21 CN1700 CN1700 5 7pin 12 7V_MAIN 2 0 2x LED Blinking Main Power Error T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 32 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 33: ...BUS 4 959V Voltage 5 285V BM5S21 BM5ST BM5A C611 Retry OK NG BM5S21 BM5ST BM5A Board Check 12 7V_MAIN Voltage 13 2V BM5A Pin 5 8 of CN1700 1701 BM5ST Pin 5 8 of CN1700 BM5S21 Pin 5 7 of CN1700 NG Power Local dimming board OK T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 33 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 34: ... PWB A side Detail BM5S21 CN1700 CN1700 5 7pin 12 7V_MAIN C611 C611 5 0V_VBUS T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 34 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 35: ...ain Board NG OK Main Board Speaker Harness Speaker NG OK Replace Power Local Dimming Board NG OK Power Local Dimming Board Replace Speaker Measure the Speaker impedance by multi meter Less than 10Ω and More than 3Ω OK NG T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 35 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 36: ... IC initialize or I2C communication failure OLED Panel power failure T R O U B L E S H O O T I N G 4x blinking LD_ERR Check LD_ERR_DET Voltage BM5S21 CL5206 BM5ST CL5206 BM5S21 BM5ST Board Low High Local Dimming Board Yes No Panel LCD model Replace Local Dimming board OK NG SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 36 SYS SET 2021 02 04 23 38 4...

Page 37: ... Error Name Board PWB A side Detail BM5S21 T R O U B L E S H O O T I N G LD_ERR_DET CL5206 SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 37 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 38: ...ror Item Number of STBY LED Blinking Description Valhalla LD_ERR 4 LCD LED driver failure LED voltage protection OLED TCON internal or I2C communication failure BCM_ERR 4 LCD LD IC initialize or I2C communication failure OLED Panel power failure T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 38 SYS SET 2021 02 04 23 38 ...

Page 39: ...M Error Name Board PWB A side Detail BM5S21 BE_LD_RDY CL5223 T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 39 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 40: ...OK NG Symptom improvement Symptom improve Symptom improve NG NG Power Board Replace Power Board NG Panel T con Symptom improvement OK Replace Panel T con Replace the Harness Between Power Board and BM5S21 BM5ST T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 40 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 41: ...anel Replace Panel Symptom Improvement NG Symptom Improvement NG Power Local Dimming board Symptom Improvement Check harness connection Power Local Dimming board to BM5S21 BM5ST BM5A Replace Power Local Dimming board Replace harness Replace BM5S21 BM5ST BM5A T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 41 SYS SET 2021...

Page 42: ...light Error Name Board PWB A side Detail BM5S21 BL_ERR CL5207 T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 42 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 43: ... Panel BM5S21 BM5ST BM5A Board NG Replace BM5S21 BM5ST BM5A Board Aging for a few hours Symptom improvement 8x blinking Replace BM5S21 BM5ST Board 2 8 8x LED Blinking 4KBE Error T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 43 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 44: ...nd Bluetooth Volume setting is not too small OK Finish Replace Speaker Then OK NG OK NG OK OK OK NG Replace Speaker Harness Then OK Confirm the speaker harness Cut or shorted to the chassis OK OK This confirmation way is only for traditional speaker exciter In PIEZO Tweeter case we can confirm OK or NG by listening T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING...

Page 45: ...PWB Big but no sound Finish Finish Check Volume setting is not too small Check Settings Speakers setting is TV Speakers Digital Audio Out is PCM Digital audio out volume is Max T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 45 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 46: ...ure Please refer Audio troubleshooting YES NG Only RF tuner input Check IC1000 SOC T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 46 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 47: ... Check the settings of Source equipment Is Distributor used NO YES Connect Source equipment directly Check sound by other TV set which is same model NG OK Refer to 3 1 No Sound Change Main Board T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 47 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 48: ...ss Symptom improvement NG No Replace the Main Board Main board NG Symptom improvement Panel T CON NG Check TCON_24_ON CL451 And TCON_12_ON CL452 are voltage 3V Yes Panel T CON Check FE_PANEL_PWR_ON CL445 BL_ON CL446 AC_DET_FE_OR_BE CL447 EVDD_DET CL448 are voltage 3V And TCON_INT_ERR CL449 is voltage 0 5V Yes Change IC413 No No Check around IC413 on BM5S21 T R O U B L E S H O O T I N G SAFETY NOTE...

Page 49: ...deo Side Mini Jack M5 IC1000 AL31 CVBS0P AH9 GPIO56 VIDEO_DET CVBS0P T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 49 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 50: ...ctor Problem OK NG OK Condition No part short circuited NG Condition Part short circuited OK Condition No solder splash can be seen NG Condition Solder splash can be seen OK Vpp 0 56 V NG Vpp 0 V OK Vpp 3 3 V NG Vpp 0V OK Vpp 3 3V NG Vpp 0V Condition Actions to be taken Refer to IC troubleshooting for further investigation Change Connector Change Part J2800 Connector Problem Parts Broken Muffin IC...

Page 51: ...ut Signal Non Detect Typical Detect Typical Video VIDEO_DET IC1000 AH9 GPIO56 0V 3 3V T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 51 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 52: ...nes only IC1000 SoC Analog Demod Digital Demod DVB T T2 S S2 DTMB ISDB T Decoder Video Audio TS IF AGC I2C X_Demod_RST_STBY TS T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 52 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 53: ...5 R3039 C3006 Waveform confirmation point I2C_TU_SDA line JL3013 I2C_TU_SCL line JL3012 Analog Refer Analog Tuning Refer Digital Tuning 1 Digital Check LNB power line 12V at C3028 12V Satellite Refer Digital Tuning 2 NG OK 12V LNB Voltage Checking For TW NA ATSC MX UC 1 CH HK LA PA AEP For JP US ATSC 3 0 and Philippines Terrestrial Cable 1 Except US ATSC3 0 Please refer Digital Tuning 2 Notes Demo...

Page 54: ... 7V_MAIN at R643 12V Check P_ON_HL signal line at base of Q604 3 3V MOSFET Q604 Q605 broken OK FOR 12V LNB Voltage Checking AEP and JP NG Please refer Power supply troubleshooting T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 54 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 55: ...Bottom View 12V BM5S21 Tuner potion Top View C3028 R643 Q605 R3037 Q604 12V I2C Please refer Digital Tuning T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 55 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 56: ...UT_P line C3010 Parts for IFAGC line R3003 R3024 C3023 Insert correct signal in correct ANT terminal A Check part mounting condition for analog control line IFOUT_N IFOUT_P IFAGC Check IC1000 SoC Tuner module OK NG FOR ANALOG TUNING All destination except JP T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 56 SYS SET 2021...

Page 57: ...NG parts Confirm ANT or Cable connection For LA Dual ANT For TW NA ATSC MX UC 1 CH HK PA AEP NG A NG Notes Parts for IFOUT_N line C3011 Parts for IFOUT_P line C3010 Parts for IFAGC line R3003 R3024 C3023 Insert correct signal in correct ANT terminal A 1 except US ATSC3 0 Please refer Digital Tuning 2 OK T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJ...

Page 58: ...lite connection For JP For US ATSC3 0 and Philippines OK Change NG parts NG Sound is normal OK Check IC1000 SoC Check IC1000 SoC OK A NG NG Insert correct signal in correct ANT terminal A Check part mounting Condition for I2C SDA SCL line Refer Note I2C OK Check the status of IC3101 peripheral components Can it preset Analog broadcast NG Change Tuner module OK Check part mounting Condition for X_D...

Page 59: ...r potion Top View BM5S21 Tuner potion Top View C3011 R3035 R3036 R3027 R3024 IFOUT_P IFOUT_N T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 59 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 60: ... View BM5S21 Tuner potion Bottom View C3117 R3116 R3109 RB3001 C3023 R3040 R3039 R3117 R3114 R3123 R3113 R3122 R3121 R3120 C3006 C3005 R3003 T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 60 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 61: ...S Connect Source equipment directly OK Reference TV OK Check IC1000 Change Main Board Check IC1000 And inform to designer ｗith the following data Check CL 5V line CL4024 4027 4025 4026 HPD line CL4008 4010 4012 4014 Check HDMI cable OK NG Change HDMI cable Go to 5V_Power OK Spec 4 7 5 3V HPD OK Spec 2 4 5 3V Change Main Board OK OK OK Resistor value OK Check tolerance 5 HDMI1 R4059 R4063 R4067 HDM...

Page 62: ...etween main board to switch module harness NG NG NG OK OK Main device or dumping resister issue Change main board 1 Switch module type Side key buttons error Main board issue Change main board NG OK Key mechanical parts issue Change switch mechanical block 2 On board Switch type T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING ...

Page 63: ...ness issue Harness connection issue Change Smart Core Smart Core issue NG Change main board Main device issue Check harness connection between main board and Smart Core NG NG OK OK OK T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 63 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 64: ...ore Smart Core issue Change main board Main device issue NG Check harness connection between main board and Smart Core NG NG OK OK OK Check UI setting and make sure light sensor setting is ON Setting issue Change setting to ON Setting is OFF Setting is ON T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 64 SYS SET 2021 02...

Page 65: ... Smart Core issue Change main board Main device issue NG Check harness connection between main board and Smart Core NG NG OK OK OK Check UI setting and make sure light sensor setting is ON Setting issue Change setting to ON Setting is OFF Setting is ON T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 65 SYS SET 2021 02 04...

Page 66: ...ts Local Access Connection Results Internet Access Failed OK Failed Failed Wired Set up IP address setting Auto Check Local router DHCP server Manual Check IP address Local router setting Main board OK T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 66 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 67: ...ss connection is OK between Wi Fi BT module and Main Board Loose harness OK Connect properly NG NG Change Main board Wi Fi BT module OK If Wi Fi malfunction happens Wi Fi BT module Harness between Wi Fi BT and Main Board Main board are suspected NG Change harness between main board and Wi Fi BT module Main Harness OK Check with another Wi Fi BT module T R O U B L E S H O O T I N G SAFETY NOTES SEL...

Page 68: ...luetooth Settings OK Check harness connection is OK between Wi Fi BT module and Main Board Loose harness NG OK Connect properly NG Change Wi Fi BT module NG Change main board Wi Fi BT module OK NG Change harness Between main board and Wi Fi BT module Main Harness OK NG else OK Can turn On BT and Can find the BT devices T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOO...

Page 69: ...ween main board and receiver board NG OK Connect properly OFF OK Check harness connection between main board and receiver Board Change receiver board OK NG Change main board T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 69 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 70: ... in MIC NG Change FFC Cable between main board and receiver board NG OK Connect properly OFF ON Check harness connection between main board and receiver Board Change receiver board OK NG Change main board T R O U B L E S H O O T I N G SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 70 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 71: ...ou can see Service menu on display Service Mode For China models Please use FY19 remote or older to enter to Service Mode Home Exit General Setting Tuner Wi Fi BT Service Mode Model Information Self diagnosis History Video Audio Panel PQ SDB Service Menu 1 2 3 4 Function The flow of control Service mode on Display or i info 5 Vol Up Power Close Service menu Home Service mode off AC plug OFF Item u...

Page 72: ... 00 0 0043 CEI V1 00000000 02000001 AQ2 5030 00 00 00 00 0 0 0 CameraVID CameraPIC CameraFW SW Version NVM Version Boot Version PQ Version AQ Version exFRC SF0 114 MLFW ex 4k BE SF2 550 MAFW SF0 201 ADSP SD2 550 NDAT SP2 550 PDAT SD2 550 BDAT SF BCM SD0 001 FDAT SD0 000 UDAT SD2 550 BDIX Set Home Exit General Setting Tuner Wi Fi BT Service Mode Model Information Self diagnosis History Video Audio ...

Page 73: ...correct Press Enter to save answer The font color of YES NO is change to black when it is selected Set Home Exit General Setting Tuner Wi Fi BT Service Mode Model Information Self diagnosis History Video Audio Panel PQ SDB Service Menu Model Number Setting Serial Number Edit _ _ _ _ _ _ _ Model Status Information Model Information Set Home Exit Model Number Setting Serial Number Edit 9 9 9 9 9 9 9...

Page 74: ...perator can still edit the Serial Number Model Number Setting Serial Number Edit 9999999 Model Status Information Model Information Set Home Exit Model Number Setting Serial Number Edit 9 9 9 9 9 9 9 Model Status Information Model Information Yes No Input Data correct Set Home Exit The font color of YES NO is change to black when it is selected S E R V I C E A D J U S T M E N T SAFETY NOTES SELF D...

Page 75: ...from the list After that select OK and press Enter button Set Home Exit General Setting Tuner Wi Fi BT Service Mode Model Information Self diagnosis History Video Audio Panel PQ SDB Service Menu Model Information Model Number Setting SERIAL NUMBER EDIT Set Home Exit Model Status Information OK MODEL_NUMBER_SETTING _ _ _ _ _ _ _ _ _ _ _ _ S E R V I C E A D J U S T M E N T SAFETY NOTES SELF DIAGNOST...

Page 76: ... Model Information Self diagnosis History Video Audio Panel PQ SDB Service Menu Set Home Exit Panel PQ Back WB Adjustment WB Mura CUC data transfer Set Home Exit 0 Back R WB Gain Set Home Exit 0 G WB Gain 0 B WB Gain 0 R WB Offset 0 G WB Offset 0 B WB Offset S E R V I C E A D J U S T M E N T SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 76 SYS SET ...

Page 77: ...s press or on remote commander and press Enter button Selectable items are 0 SoC to T con 1 T con to SoC 2 No action c Mura data transfer is also displayed on the menu but Mura function does not work on OLED model CUC function can work refer to next page Please skip these items by pressing on remote commander d Select start and press Enter button to start transfer Disuse in OLED model S E R V I C ...

Page 78: ...ote commander and press Enter button Choose 1 T con to SoC and press Enter button c Mura data transfer is also displayed on the menu but Mura function does not work on OLED model Please skip this item by pressing on remote commander c Select start and press Enter button to start transfer Disuse in OLED model S E R V I C E A D J U S T M E N T SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SE...

Page 79: ...DD is checked General Setting Tuner Wi Fi BT Service Mode Model Information Self diagnosis History Video Audio Panel PQ SDB Service Menu Set Home Exit Off AAA Update CI Credent ECS_Enable General Setting Back Aging mode Ship Confirm HDD Performance Ch SCART RGB VREF Set Home Exit Off Auto HDD Performance Check Please wait Set Home Exit NG HDD Performance Check Result Back Set Home Exit S E R V I C...

Page 80: ...update completes the Illumination LED stops blinking and your TV restarts automatically Please do not remove the USB flash drive until this blinking stops The update takes about 10 minutes to complete Press the BACK button on your remote control to cancel the update 5 finished 4 b USB image is not newer soft version Automatically show message Please follow directions Caution Do not power off while...

Page 81: ...Key type Procedure 1 Press and hold Center Key 2 AC ON 3 Hold the button down for several seconds until the system starts FDR Center Key SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 81 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 82: ...lane Graphics SPI CI Link CI Demod HDMI2 0 6G x2 IR In Composite Center SP In Bar Power board PSU USB HS WiFi BT DHUR SY63 IR Rx Temp Sens W R RGB LEDs ACAS PDM PWM H Light Sens Mic Tally LED Mic RGB Sens Mic Switch except China I2C Temp Sens PWM I2S SW S PDIF I2C debug ADC AK5522 Center SP In AVR LPDDR4 16Gib x 2 I2C Ethernet HP Out USB2 0 USB3 0 Optical Out S PDIF ARC eARC Center Key 1Key module...

Page 83: ...1 4 3 2 SDA SCL 2 3 2 3 SCL SDA 3 2 1 4 GND 3 3V_MAIN_H 4 1 NC 5 NC 1 821 131 11 SYT10 04HG SYT10 05HG 1 821 145 11 1 821 118 11 1 821 119 11 CN6200 1 843 858 71 GND 1 TM_ECS_LD_TO_B 2 250A1 HP H02M 250A1 HS H02M BLK TM_ECS_B_TO_LD 3 EX 1 4 22 LD_ERR 4 EX 2 3 22 CN6603 TM_LOG_LD_TO_B 5 1 842 569 11 TM_LOG_B_TO_LD 6 JST SM10B PBVSS TB LF SN PS TM_I2C_SCL 7 1 10 SP_0X90_RP TM_I2C_SDA 8 250A1 HP H02M...

Page 84: ... GND 1 4 3 2 SDA SCL 2 3 2 3 SCL SDA 3 2 1 4 GND 3 3V_MAIN_H 4 1 NC 5 NC 1 821 131 11 SYT10 04HG SYT10 05HG 1 821 145 11 1 821 118 11 1 821 119 11 CN6200 1 843 858 71 GND 1 TM_ECS_LD_TO_B 2 250A1 HP H02M 250A1 HS H02M BLK TM_ECS_B_TO_LD 3 EX 1 4 22 LD_ERR 4 EX 2 3 22 CN6603 TM_LOG_LD_TO_B 5 1 842 569 11 TM_LOG_B_TO_LD 6 JST SM10B PBVSS TB LF SN PS TM_I2C_SCL 7 1 10 SP_0X90_RP TM_I2C_SDA 8 250A1 HP...

Page 85: ... Rule Condition of P MOD SET Red frame picture means NG action Blue frame picture means OK action OK NG P MOD SET SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 85 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 86: ...move Corner guard Remove upper cushion Take panel to grab Plastic bag by hand Support panel BTM by other hand and carry PANEL TOP PANEL BOTTOM H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 86 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 87: ...G Don t catch and pull edge of panel by finger Don t grab 4 corners Please don t grab panel as shown in right pictures over the Plastic bag H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 87 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 88: ...You can tear it by hand easily once you make small cut on it Put on stable flat floor Tilt slowly so that the front face is on the bottom BACK only 65 PANEL HANDLING GUIDE UNPACKING H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 88 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 89: ...ts a EDGE GUARD TOP SIDE L 2L SGT 3pcs b FILM EG SGT 4pcs c TAPE 3M 1350FW 1 15MMX66M WHT 4pcs 2 Keep those parts as well condition for reuse don t dispose SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 89 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 90: ...olding Positions 1 Insert to Spine HT hole PANEL HANDLING GUIDE LIFTING H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 90 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 91: ...rizontally Don t holding only side position Don t carry horizontally PANEL HANDLING GUIDE CARRYING H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 91 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 92: ...6M WHT 4pcs Request to install above parts to return Panel Module Service person following below guide for reference a Remove sheet b Stick FILM EG SGT a Remove Sheet It is not necessary for service Just for reference SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 92 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 93: ...c TAPE 3M 1350FW 1 15MMX66M WHT 4pcs Request to install above parts to return Panel Module Service person following below guide for reference c Stick FILM EG SGT d Install EDGE GUARD SIDE SGT SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 93 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 94: ... 3M 1350FW 1 15MMX66M WHT 4pcs Request to install above parts to return Panel Module Service person following below guide for reference e Install EDGE GUARD TOP SGT f Information EDGE GUARD TOP SGT SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 94 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 95: ...SGT 4pcs c TAPE 3M 1350FW 1 15MMX66M WHT 4pcs Request to install above parts to return Panel Module Service person following below guide for reference g Information TAPE h Stick TAPE SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 95 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 96: ...b FILM EG SGT 4pcs c TAPE 3M 1350FW 1 15MMX66M WHT 4pcs Request to install above parts to return Panel Module Service person following below guide for reference i Stick TAPE SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 96 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 97: ...crew on table There are risk of scratches on screen surface One man handling is prohibited OK Soft clean sheet EPS PE FM etc No Dust Scrap Screw etc H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 97 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 98: ...ift up top side Support bottom not to slip NG NG Don t hold around corner Don t hold left right edges Change hand position for carrying H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 98 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 99: ... Don t push display by finger when holding bottom edge Don t push display by finger H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 99 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 100: ...UIDE CARRY OK OK OK NG Don t hold antenna connector Handle H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 100 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 101: ...NG GUIDE CARRY OK Holding Stand is OK if it is attached H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 101 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 102: ...Y NG NG NG Horizontal carrying is NG even if holding position is OK H A N D L I N G G U I D E SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE 102 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

Page 103: ...9 888 790 01 Sony EMCS M Sdn Bhd SHES M English 2021 02 SYS SET 2021 02 04 23 38 48 GMT 09 00 ...

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Sony XR-55A90J, Service Manual

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