Sony KDL-40W900A Service Manual
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Sony KDL-40W900A Service Manual

Rb1g chassis
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL (COMMON)
SERVICE MANUAL (COMMON)
Version
Date
Subject
1
4/2013
1
st
Issue.
RB1G
CHASSIS
Segment: HG
LCD TV
9-888-137-01
For SM - Unique , please refer :
9 888 137 P1 ( Pan Asia )
9-888-137-P1 ( Pan Asia )
9-888-137-C1 ( China )
9-888-137-A1 ( America )
9-888-137-J1 ( Japan)
9-888-137-E1 ( Europe)

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Summary of Contents for Sony KDL-40W900A

  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL (COMMON) SERVICE MANUAL (COMMON) RB1G CHASSIS Segment: HG Version Date Subject 4/2013 Issue. LCD TV 9-888-137-01 For SM - Unique , please refer : 9-888-137-P1 ( Pan Asia ) 9 888 137 P1 ( Pan Asia ) 9-888-137-C1 ( China ) 9-888-137-A1 ( America ) 9-888-137-J1 ( Japan)
  • Page 2 SERVICE MANUAL (COMMON) SERVICE MANUAL (COMMON) RB1G CHASSIS Segment: HG LCD TV LCD TV...
  • Page 3 MODEL LIST THIS SERVICE MANUAL CONTAINS COMMON INFORMATION FOR BELOW REGIONS AND MODELS: REGION ASIA CHINA AMERICA JAPAN EUROPE MODEL KDL 55W900A KDL-55W900A KDL 40W900A KDL-40W900A KDL 46W900A KDL-46W900A KDL-55W904A KDL-40W904A KDL-46W904A KDL-55W905A KDL 55W905A KDL-40W905A KDL 40W905A KDL-46W905A KDL 46W905A...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Section Title Page Section Title Page 4. SERVICE ADJUSTMENTS 1. SAFETY NOTES 4-1. Accessing Service Mode ..............1-1. Warnings and Caution………………………………………………………. 4-2. Transition of Each Micro’s Service Mode……….……………………… 1-2. Caution Handling of LCD Panel ..……………........4-3. 4 3. Change Data by Service Mode 1…………………………………..…….

  • Page 5: Safety Notes

    8) Use care when handling the wires or connectors of the inverter circuit 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 components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony.
  • Page 6 RB1G CHASSIS Safety Notes W900A/904A/905A 1-4.Leakage Test 1-3 Safety Check-Out The AC leakage from any exposed metal part to earth ground and from all After correcting the original service problem, perform the following exposed metal parts to any exposed metal part having a return to chassis must safety checks before releasing the set to the customer:- not exceed 0 5mA (500 microamperes) not exceed 0.5mA (500 microamperes).
  • Page 7 RB1G CHASSIS Safety Notes W900A/904A/905A 1-7. Handling the FLEXIBLE FLAT CABLE (FFC) 1-5. How to Find a Good Earth Ground  When you insert / pull out FFC, please grasp a reinforcement board and main body of 1) A cold-water pipe is a guaranteed earth ground; the cover-plate retaining FFC.
  • Page 8 RB1G CHASSIS Safety Notes W900A/904A/905A CAUTION: During this disassemble, please ensure the TV set is on the flat surface table/desk and put on Soft ( Confirm all screws & positions before removing) Cushion sheet/ Protection Sheet to prevent form TV scratch. 1-8.
  • Page 9 RB1G CHASSIS Safety Notes W900A/904A/905A 1-8. Procedure to remove Rear Cover (continue) 7. The 1 operator use left hand to The 1 operator use left hand to 8. The 2 The 2 operator use right hand operator use right hand 9.
  • Page 10 RB1G CHASSIS Safety Notes W900A/904A/905A 1-9. Procedure to re-assemble Rear Cover Assemble rear cover as a direction Alignment: Bottom right corner 1. Assemble rear cover as a 2. Lay down rear cover top side 3. Check all side whether its 4.
  • Page 11 RB1G CHASSIS Safety Notes W900A/904A/905A 1-10. Caution Of Rear Cover NG to grab (sharp edge and easy to deform) (sharp edge and easy to deform) OK to grab (curling area) OK to grab ith care OK to grab with care (easy to deform area) (40”, 46”, 55”...
  • Page 12 RB1G CHASSIS Safety Notes W900A/904A/905A 1-11. Instruction about Disassembling Smart Core 3. Remove Smart Core Cover. a) HG/MD/LK/LS/MW Model b) TE Model 1. Remove screws. SCREW +PSW M3ｘ6 SCREW PSW M3ｘ6 SCREW +PSW SCREW +PSW a) HG/MD/LK/LS/MW Model （ONLY HG） b) TE Model M3ｘ6 Smart Core Cover...
  • Page 13 RB1G CHASSIS Safety Notes W900A/904A/905A (Continue from 4a) (Continue from 4b) Release Smart Core Bracket Wipe scratch marks on BEZEL flame a) HG/MD/LK/LS/MW Model TE M d l TE Model Scratch marks by Smart Core remain on BEZEL flame. Smart Core Bracket (Only TE) Wipe marks b) TE Model It moves bottom side with moving on Bracket to back side.
  • Page 14 RB1G CHASSIS Safety Notes W900A/904A/905A 8.Release Ornament/Case Hook (1 position). 6.Release Lid/Case Hook (2 position). HG/MD/LK/LS/MW/TE Model a) HG/MD/LK/LS/MW/TE Model Pinch and rotate case hook by flat plate (ex Steel ruler) Pinch and rotate case hook by flat plate (ex. Steel ruler). Case CASE ORNAMENT...
  • Page 15 RB1G CHASSIS Safety Notes W900A/904A/905A 10.Remove Wifi PWB and BT PWB. HG/MD/LK/LS/MW/TE Model Finish! TE Model HG/MD/LK/LS/MW Model HG/MD/LK/LS/MW Model Cover Wifi PWB Bracket Cover common WiFi HSC PWB Case BT PWB Case common HIR PWB 11 R l 11.Release HSC/Case Hook PWB (2 position) and remove HSC PWB. HSC/C k PWB (2 HSC PWB...
  • Page 16 Self Diagnostic Function SECTION 2 SELF DIAGNOSTIC FUNCTION 2-1. Overview of Control Buttons 2-1-2. (CHINA) 2-1-1. (EXCEPT CHINA) FRONT TV CONTROLS/ TERMINALS/ INDICATOR FRONT TV CONTROLS/ TERMINALS/ INDICATOR Sensors and illumination Sensors and illumination (Remote control sensor/Light sensor) (Remote control sensor/Light sensor) Example Illumination lights up or blinks in different Illumination lights up or blinks in different...

  • Page 17: Trouble Shooting

    Self Diagnostic Function 2-2. LED Display Control 2-4. Standby LED Error Display Note: Details refer to Troubleshooting Section. Status White Center LED Side RGB LED Side Amber LED Remarks Power Off Smart Core RED *1 power switch off (by side Board Error Item ( by power saving switch LED blinking...
  • Page 18 Self Diagnostic Function 2-5. Triage Chart Green Symptoms - Shutdown. Power LED Video Bluetooth Remote Network Audio Skype Smart Core blinking red diagnostics sequences Power - missing or distorted (BT) Blinking Bluetooth / Reference Green No White Power Stationary No video Wireless Smart Core no One Step...
  • Page 19 RB1G CHASSIS W900A/904A/905A SECTION 3 TROUBLESHOOTING Note: For location details, refer to troubleshooting Reference for parts location. 3-1. No Power No Power Check STBY 3.3V Replace L9101 (B-others) G* Board Between G* Board to B* Board Harness C9318 (BK*) Harness B* Board DC/DC converter check NO POWER: Ayu2 control...
  • Page 20 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Board PWB (A side) Detail Name BA2-S (L9101) L9101 BA2-W L9101 (L9101) (L9101) L9101...
  • Page 21 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail (C9318) C9318 (C9318) C9318 (C9318) C9318...
  • Page 22 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-1-1. No POWER DC / DC Converter Check START START Check SL9105 Check SL9111 Voltage. Check F9106 Check F9106 Check F9105 k F9105 i 1 18V? it 1.18V? Is the voltage 1V? Check SL9109 Voltage. Check F9104 Is the voltage 5V? Check SL9103...
  • Page 23 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BA2-S SL9109 SL9105 (SL9103) SL9111 F9102 (SL9105) (SL9107) (SL9107) (SL9109) (SL9111) (F9102) F9104 (F9104) (F9104) (F9105) (F9106) SL9103 F9106 F9105 SL9107 BA2-W SL9109 SL9111 (SL9103) F9102 (SL9105) SL9105 SL9105 (SL9107)
  • Page 24 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail F9106 (SL9103) F9104 SL9107 SL9111 (SL9105) (SL9107) (SL9109) (SL9109) (SL9111) (F9102) SL9109 (F9104) (F9105) (F9106) F9105 SL9105 F9102 SL9103 F9105 SL9109 SL9103 F9102 (SL9103) (SL9105) (SL9107) (SL9107) SL9105 (SL9109) (SL9111)
  • Page 25 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail SL9103 SL9109 (SL9103) F9102 (SL9105) (SL9107) (SL9107) F9105 F9105 (SL9109) (SL9111) (F9102) (F9104) (F9104) (F9105) SL9111 SL9107 F9104 (F9106) (SL9103) SL9109 F9102 SL9103 (SL9105) (SL9105) (SL9107) F9105 (SL9109) (SL9111) (F9102)
  • Page 26 RB1G CHASSIS Troubleshooting W900A/904A/905A 3 1 2 No POWER: Ayu2 Control 3-1-2. No POWER: Ayu2 Control Note: G BOARD : ( N/A FOR THIS MODEL) No Power Check STBY_+3.3V Look for AC_MON line Check AC_MON at AYU2 look for where at CN9101 pin2 (except BK*) or at AYU2 (F11, G11, K13 pin...
  • Page 27 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB Detail (B side) C7349 BA2-S (C7348) (C7349) (C7350) (C7350) C7348 C7350 R7386 R7344 (A side) BA2-S (R7344) Pin 7 Pin 1 (R7352) (R7386) (CN9101) CN9101 Pin 2 R7352...
  • Page 28 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (B side) Detail (B id ) (B side) BA2 W BA2-W (C7348) (C7349) (C7350) C7348 C7350 C7349 R7386 R7386 R7344 R7344 (A side) BA2-W (R7344) Pin 7 Pin 1 (R7352) (R7386) (R7386) (CN9101)
  • Page 29 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (B side) Detail (B id ) (B side) C7350 (C7348) C7348 (C7349) (C7350) C7349 (A side) R7344 (R7344) R7386 (R7352) (R7386) (R7386) (CN9101) Pin 7 R7352 Pin 1 Pin 2...
  • Page 30 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (B side) Detail (B side) (B side) C7349 (C7348) (C7349) (C7350) C7348 C7350 (A side) R7352 (R7344) (R7352) (R7386) (R7386) (F9301) F9301 R7386 R7344...
  • Page 31 RB1G CHASSIS Troubleshooting W900A/904A/905A Board Name Board PWB (B side) Detail (B side) C7349 (C7348) (C7349) (C7350) (C7350) C7348 C7348 C7350 C7350 (A side) R7352 (R7344) (R7352) (R7352) (R7386) (F9301) F9301 R7386 R7344...
  • Page 32 RB1G CHASSIS Troubleshooting W900A/904A/905A Board Name Board PWB (B side) Detail (B side) C7349 C7349 (C7348) (C7349) (C7350) (C7350) C7348 C7350 C7350 (A side) R7352 (R7344) (R7352) (R7386) (F9301) F9301 R7386 R7386 R7344...
  • Page 33 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-1-3. No POWER: Ayu2 Failure AYU2 Fail Suspected AYU2 is working, but specific block fails; See AYU2 like no picture, replacement flow I/O damage etc I/O damage, etc Store Error message. Check DDR Find Some Check RawNAND Find Some If it is AYU2 LOG is displayed...
  • Page 34 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-1-4. No POWER: Ayu2 Replacement AYU2 replacement flow t fl RawNAND erase Product SW rewrite Product Recover? Recover? SW writing issue RawNAND erase AYU2 replacement Product SW write RawNAND replacement Recover? Product SW write Product SW write AYU2 issue Recover? RawNAND issue...
  • Page 35 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-2. LED Blinking Size B* Board Type G* Board 3-2-1. LED BLINKING 3x (DC Alert, Audio Error & Communication Error) Type OTHERS 3-time blinking 40” BA2-S BA2-W TUNER 46” BA2-S BA2-W DC_ALERT DMD_TU_I2C 55” BA2-S BA2-W I2C bus dumping or I2C bus dumping or I2CB bus check:...
  • Page 36 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BA2-S/W CL2151 CL2152 CL2152 CL2151 CL2151 CL2151 CL2152 CL2151 CL2152...
  • Page 37 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BKX/J CL2151 CL2152 CL2152 CL2151 BKT(BKE) CL2151 CL2152 CL2152 CL2151...
  • Page 38 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BA2-S/W R8502 R8502 R8503 R8503 R8503 R8502 R8502 R8503...
  • Page 39 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BKX/J R8502 R8503 R8503 R8502 R8502 R8503 R8503 R8502...
  • Page 40 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BA2-S/W CL5023 CL5023 CL5024 CL5024 CL5024 CL5023 CL5024 CL5024 CL5023...
  • Page 41 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BKX/J CL5024 CL5023 CL5024 CL5024 CL5023 CL5023 CL5024 CL5024 CL5023...
  • Page 42 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BA2-S/W CN9101 CN9101 CN9101 pin9 CN9101 pin8 CN9101 CN9101 pin9 CN9101 pin8...
  • Page 43 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (B side) Detail BA2-S/W IC4601 IC4601 IC4601 IC4601...
  • Page 44 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail BKX/J IC4601 F4601 F4601 IC4601 IC4601 IC4601 F4601 F4601 IC4601...
  • Page 45 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (B side) Detail BA2-S/W F4601 F4601 F4601 F4601...
  • Page 46 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-2-2. LED BLINKING 3x (Audio Error) – BA2 and BM board only Size B* Board Type G* Board Type OTHERS OTHERS 40” BA2-S BA2-W 46” BA2-S BA2-W IC4601,etc F4601,IC4601,etc 55” BA2-S BA2-W (B* Board) (B* Board) Check the IC4601 Check the IC4601 High...
  • Page 47 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board -Side A BA2 board -Side A...
  • Page 48 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board -Side B BA2 board -Side B IC4601 F4601 CL4606...
  • Page 49 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board -Side B (not applicable for this model) F4601 CL4606 JL4621 IC4601 JL4622 JL4623 JL4624...
  • Page 50 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-2-3. LED BLINKING 3x (Audio Error) – BKE and BKX board only (Not applicable for this model) Size B* Board Type G* Board Type OTHERS OTHERS 40” BA2-S BA2-W 46” BA2-S BA2-W IC4601,etc F4601,IC4601,etc 55” BA2-S BA2-W (B* Board) (B* Board)
  • Page 51 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) F4601 CL4601 IC4601 IC4601...
  • Page 52 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side B (Not applicable for this model) BKE and BKX board Side B (Not applicable for this model) JL4621 JL4622 JL4624 JL4622...
  • Page 53 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-2-4. LED Blinking 4x (LED Voltage Error) 3-2-5. LED Blinking 5x (T-Con Error) (HG and TE Model) 4-times blinking 5-times blinking Panel (T-con) B* Board change Between 0 98V to 1 23V Between 0.98V to 1.23V Confirm Tcon12V.
  • Page 54 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B LED Blinking 4x (LED Voltage Error) BACKLIGHT_MON = JL9112...
  • Page 55 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BK* board Side B (Not applicable for this model) BK board Side B (Not applicable for this model) LED Blinking 4x (LED Voltage Error) BACKLIGHT_MON = JL8206 JL8206...
  • Page 56 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) LED Blinking 4x (LED Voltage Error) BACKLIGHT MON = BACKLIGHT_MON JL9112...
  • Page 57 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S board Side A BA2S board Side A LED Blinking 5x (T-Con Error) (HG and TE Model) PANEL_VCC...
  • Page 58 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BK* board Side A (Not applicable for this model) BK board Side A (Not applicable for this model) LED Blinking 5x (T-Con Error) (HG and TE Model) PANEL_VCC...
  • Page 59 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side A (Not applicable for this model) BM board Side A (Not applicable for this model) LED Blinking 5x (T-Con Error) (HG and TE Model) PANEL_VCC...
  • Page 60 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-2-7. LED Blinking 7x (Temperature Error) 3-2-6. LED Blinking 6x (Backlight Error) 6 ti 6-time blinking bli ki 7-time blinking Check BL_ERR For Ayu2(IC9000) For Ayu2(IC9000) (JL9112) at Setting circumstance B* Board replacement check Pin 18 of CN9101 Set to another related section is OK?
  • Page 61 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-2-8 LED BLINKING 8x (Software Error) 8-time blinking g B* Board NG CH or AEP destination? B* Board NG Using CAM Module? CI CAM module Check clock signal @ pin B* Board NG AM30 of IC9000 (AYU2) Size B* Board Type G* Board...
  • Page 62 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (B side) Detail BA2-S/W R8558 R8558 R8558 R8558 R8558...
  • Page 63 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference Board Name Board PWB (A side) Detail R8558 R8558 R8558 R8558 R8558...
  • Page 64 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3. No Sound No Sound “Audio System” Check the Change to “Speakers setting” “TV Speaker” “TV Speakers” Symptom Change the Speaker improvement Replace No Sound: Audio B* Board Harness the B* Board No Sound: Tuner Symptom improvement No Sound: HDMI Speaker Harness...
  • Page 65 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board Type 3-3-1. No Sound : Audio (For all models) OTHERS 40” BA2-S BA2-W 46” BA2-S BA2-W 55” BA2-S BA2-W No signal No signal Check the solder Check the solder Check the k th Check the Check the...
  • Page 66 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B CN4801...
  • Page 67 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B CL4501 CL4502 INR+ 1 14 IN- X_AUDIO_MUTE_SPHPLO 5 9 Vdd Vss 6 IC4501 8 CN CP 7 C4501 C4501...
  • Page 68 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side A (not applicable for this model) BM board Side A (not applicable for this model) CL4501 IC4501 CL4502 CL4502 C4501...
  • Page 69 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) CN4801...
  • Page 70 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) C4501...
  • Page 71 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side B (Not applicable for this model) BKE and BKX board Side B (Not applicable for this model) CN4801...
  • Page 72 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side B (Not applicable for this model) BKE and BKX board Side B (Not applicable for this model) CL4502 CL4501 1 INR+ IN- 14 IC4501 5 X_AUDIO_MUTE_SPHPLO Vdd 9 6 Vss CN 8 7 CP...
  • Page 73 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3-2. No Sound : Audio (Additional : For Europe models only) Check the Check the SCART No Problem No Problem This is MUTE situation This is MUTE situation. (use Digital RF (use Digital RF CNT pin7 (IC4511) Check IC9000 Tuner input) is HIGH?
  • Page 74 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B CL4512 CL4511 Vee -3.3V 6 C4511 5 CN 4 CP CNT 7 3 Vcc 3.3V INR 10 1 INL...
  • Page 75 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model BKE and BKX board Side A (Not applicable for this model CL4512 CL4511 C4511...
  • Page 76 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3-3. Main Board Power Off Checking (for Main SP Lch & Rch) Checking Item Check fuse F4601 Fuse short Fuse open Check connectivity audio Vcc to GND No short to GND Either 1 short to GND C4606 –...
  • Page 77 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A BA2 board Side A CN4601 CN4601...
  • Page 78 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B IC4601 C4606 C4608 C4607 F4601 C4609...
  • Page 79 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side A (not applicable for this model) BM board Side A (not applicable for this model) CN4601...
  • Page 80 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) F4601 C4607 C4606 IC4601 C4608 C4609...
  • Page 81 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) F4601 IC4601 CN4601 C4606 C4609 C 609 C4608 C4607...
  • Page 82 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3-3. Main Board Power Off Checking (for Main SP Lch & Rch) Checking Item Check connectivity audio output path (only for BA2 Must have good connection Open circuit. (~0 Ω) and BM board): L4601 (near to IC side) – CN4601 Pin1 L4602 (near to IC side) –...
  • Page 83 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A CN4601 L4604 L4603 L4602 L4601...
  • Page 84 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side A (not applicable for this model) BM board Side A (not applicable for this model) L4601 L4602 L4604 L4603 CN4601...
  • Page 85 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) F4601 L4601 L4602 L4603 L4604 L4604 CN4601...
  • Page 86 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3-4. Main Board Power On Checking (for Main SP Lch & Rch) If  NG If  NG Checking Item Check Check Switching Freq = 384kHz or Switching Freq 384kHz or No switching No switching Go to next checking. Go to next checking.
  • Page 87 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A L4604 L4603 L4602 L4601...
  • Page 88 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A BA2 board Side A CN9101...
  • Page 89 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B F4601...
  • Page 90 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side A (not applicable for this model) BM board Side A (not applicable for this model) CN9101 Pin 10 Pin 8 L4601 L4602 L4604 L4603 L4603...
  • Page 91 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) F4601...
  • Page 92 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) F4601 L4601 L4602 L4603 L4603 L4604 L4604...
  • Page 93 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) F4601 IC4601 CN4601...
  • Page 94 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3-4. Main Board Power On Checking (for Main SP Lch & Rch) If  NG If  NG Checking Item Check CL4605, Vdc = 3.3V ± 0.3V Vdc < 0.8V CL4606 NG, CL4605,4607 NG, CL4606, CL4607 Check IC4601 Check IC9000 Check CL4601,...
  • Page 95 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A BA2 board Side A...
  • Page 96 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B CL4607 CL4605 CL4606...
  • Page 97 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) CL4605 CL4606 CL4606 CL4607 IC4601...
  • Page 98 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) F4601 IC4601 CL4601 CL4601...
  • Page 99 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side B (Not applicable for this model) BKE and BKX board Side B (Not applicable for this model) CL4606...
  • Page 100 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board Type 3-3-5. No Sound: HP / Lineout Only No Sound OTHERS 40” BA2 S BA2-S BA2 W BA2-W HP / Lineout only This is for Main SP got sound, but HP / Lineout no sound 46”...
  • Page 101 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 Board Side A BA2 Board Side A CL4506 CL4505 R4508...
  • Page 102 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 Board Side B BA2 Board Side B CL4501 CL4502 X_AUDIO_MUTE_SPHPLO 5 IC4501 9 Vdd R8113 C4501...
  • Page 103 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side A (not applicable for this model) BM board Side A (not applicable for this model) CL4501 CL4505 IC4501 CL4506 CL4502 R4508...
  • Page 104 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) R8113 R8113...
  • Page 105 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) CL4506 CL4506 CL4505 R4508 R4508 R8124 C4501...
  • Page 106 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side B (Not applicable for this model) BKE and BKX board Side B (Not applicable for this model) CL4502 CL4502 CL4501 IC4501 5 X_AUDIO_MUTE_SPHPLO Vdd 9...
  • Page 107 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3-6. No Sound : Scart Out Audio (For Europe model) This is for Main SP got sound, but SCART out no sound. No Sound Please check this condition in Digital RF mode SCART out only BA2 / BKE / BKX Power On checking RB1 Main Board Power On Checking RB1 Main Board Power On Checking...
  • Page 108 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B CL4512 CL4511 3 Vcc 3.3V CL4516 CL4515...
  • Page 109 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE and BKX board Side A (Not applicable for this model) BKE and BKX board Side A (Not applicable for this model) CL4512 CL4515 CL4515 CL4511...
  • Page 110 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3-7. NO SOUND: TUNER This troubleshooting is only for Analog No Sound with normal picture Please refer audio Only RF tuner input?? troubleshooting Check Brownie...
  • Page 111 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board 3-3-8. NO SOUND: HDMI Type No Sound OTHERS 40” 40” BA2 S BA2-S BA2 W BA2-W Note: 46” BA2-S BA2-W (AYU2) – IC9000 Check the picture Refer to HDMI NO PICTURE (Brownie)- IC9001 55”...
  • Page 112 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-3-9. NO SOUND: MHL No Sound Replace Check the picture Refer to MHL NO PICTURE IC9000 Check Sound by other TV set Check R5071, C5071, C5072, Replace NG part which is same model C5059, C5073 Check Source equipment by Reference TV set Inform the designer (For example, Samsung TV(UN46ES7000)
  • Page 113 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B R5071 C5073 C5059 C5071 BA2 B Side BA2- - B Side B Side B Side C5072 C5072...
  • Page 114 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) BM- - B Side B Side R5071 C5071 C5072 C5059 C5059 C5073...
  • Page 115 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE board Side B (Not applicable for this model) BKE- - B Side B Side C5073 C5059 C5059 C5072 C5071 C5071 R5071...
  • Page 116 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKX board Side B (Not applicable for this model) BKX- - B Side B Side C5073 C5059 C5072 C5071 R5071...
  • Page 117 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKJ board Side B (Not applicable for this model) BKJ- - B Side B Side C5073 C5059 C5072 C5071 R5071...
  • Page 118 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-4. RB1 Analog Signal Path...
  • Page 119 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3 5 1 No Picture AEP Destination (BA2 S AEP BKE) 3-5-1. No Picture AEP Destination (BA2-S AEP, BKE) No Picture AEP SCART RGB SCART CVBS Video 2 Component No Picture No Picture No Picture No Picture Check SCART_FB...
  • Page 120 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 S Board SIDE A (AEP) BA2-S Board SIDE A (AEP) J3104 R8627 CN3101 RB5008 BA2-S AEP > A-SIDE...
  • Page 121 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 S Board SIDE B (AEP) BA2-S Board SIDE B (AEP) C8017 C8017 C7020 BA2-S AEP > B-SIDE R3118...
  • Page 122 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE Board SIDE A (Not applicable for this model) BKE > A-SIDE C3106 C3109 C3108 C3107 C3120 C3120 C3121 C3122 C3123 RB5008 C8017 CN3101 R8627 J3104...
  • Page 123 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKX Board- SIDE B (Not applicable for this model) BKE Board- SIDE A (Not applicable for this model) BKE > A-SIDE BKX > B-SIDE R3118 C7010...
  • Page 124 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-2. No Picture HOTEL_B2B (BA2-S HOTEL_B2B) No Picture B2B No Picture Check CN3102 Check if input OSD Connection, is GREY OUT PC_CON_DET Detailed check Check wave between R3149/R3150 CN3102 pin13, and IC9001 pin 14 path Check wave between Detailed check C3126/C3127/C3128...
  • Page 125 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S Board (AEP) B2B > Side A (Not applicable for this model) CN3102 R3150 R3149 RB5008 BA2S AEP B2B > A-SIDE...
  • Page 126 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S Board (AEP) B2B > Side B (not applicable for this model) C7012 BA2S AEP B2B > B-SIDE...
  • Page 127 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board 3-5. No Picture Type 3-5-3. No Picture UC/GA/CH (BA2-S UC/GA/CH, BKX) OTHERS 40” 40” BA2 S BA2-S BA2 W BA2-W No Picture GA 46” BA2-S BA2-W 55” BA2-S BA2-W Video 1 Video 2 Component Note:...
  • Page 128 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S Board (PA) > Side A J3104 J3104 R8627 J3101 RB5008 BA2S PA > A-SIDE...
  • Page 129 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S Board (PA) > Side B C8017 C7010 C7008 BA2S PA > B-SIDE...
  • Page 130 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM Board > Side A (Not applicable for this model) BM > A-SIDE RB5008 C3120 R8627 C3106 C3121 J3101 J3104...
  • Page 131 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM Board > Side B (Not applicable for this model) BM > B-SIDE C7008 C7010 C8017...
  • Page 132 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKX Board > Side A (Not applicable for this model) BKX > A-SIDE C3106 C3120 C3121 C3122 C3123 RB5008 C8017 J3101 R8627 J3104...
  • Page 133 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKX Board > Side B (Not applicable for this model) BKX Board Side B (Not applicable for this model) C7008 C7010...
  • Page 134 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board 3-5. No Picture Type 3-5-4. No Picture Japan Destination (BA2-W, BKJ) OTHERS N Pi t No Picture JP 40” BA2 S BA2-S BA2 W BA2-W 46” BA2-S BA2-W 55” BA2-S BA2-W ビ...
  • Page 135 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2W > A SIDE (JP) BA2W A SIDE (JP) TB3101 TB3101 R8627 J3101 RB5008 BA2-W JP > A-SIDE...
  • Page 136 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2W > B SIDE (JP) BA2W B SIDE (JP) C7010 C7008 C7008 BA2-W JP > B-SIDE...
  • Page 137 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-5. NO PICTURE: @ Tuner UC / KR No Picture Noisy Picture Analog only Digital only Check IC9001(Brownie)/ Which is NG? Sound is normal ? IC9001(Ayu2) Analog RF or Digital RF Analog RF or Digital RF Both No sound Confirm ANT connection...
  • Page 138 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S IC2151( PIN 6) IC2151( PIN 6) IC9001 (Brownie) PIN 6 PIN 6...
  • Page 139 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC9001(Brownie) IC2151 (PIN 6) PIN 6...
  • Page 140 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC2151 (PIN 6) IC9001(B IC9001(Brownie) PIN 6...
  • Page 141 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) BKE-BKT IC2151 IC9001(Brownie)
  • Page 142 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-6. NO PICTURE: @ Tuner TW No Picture Noisy Picture Analog only Digital only Which is NG? Check IC9001(Brownie)/ Sound is normal ? Analog RF or Digital RF IC9001(Ayu2) Both No sound Confirm ANT connection Either Which is NG? Check IC2121...
  • Page 143 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S IC2121 IC9001 (Brownie) IC2151 IC2151 PIN 6...
  • Page 144 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC2121 IC9001(Brownie) IC2151 (PIN 6)
  • Page 145 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC9001(Brownie) IC2151 IC2151 IC2121...
  • Page 146 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) BKE-BKT IC2121 IC9001(Brownie) IC2151 IC2151...
  • Page 147 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board 3-5. No Picture Type 3-5-7. NO PICTURE: @ Tuner AEP-T2 / PA-T2 / CH / HK / AEP-T2C2S2(Terrestrial part) OTHERS 40” BA2 S BA2-S BA2 W BA2-W Note: 46” BA2-S BA2-W (AYU2) –...
  • Page 148 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S (N t (Not applicable for this model) bl f d l) IC2151( PIN 6) IC2151( PIN 6) IC9001 (Brownie) PIN 6 PIN 6...
  • Page 149 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S (SIDE-B) IC2201...
  • Page 150 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC9001(Brownie) IC2151 (PIN 6) PIN 6...
  • Page 151 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) BM (L4) IC2201 IC220...
  • Page 152 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC2151 (PIN 6) IC9001(Brownie) PIN 6...
  • Page 153 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKX(SIDE-B) (Not applicable for this model) IC2201...
  • Page 154 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) BKX(SIDE-B) IC2201...
  • Page 155 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE-BKT (N t (Not applicable for this model) bl f d l) IC2151 IC9001(Brownie)
  • Page 156 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) BKE-BKT (SIDE-B) IC2201 IC2201...
  • Page 157 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-8. NO PICTURE: @ Tuner COL-T2 / BRZ / ARG No Picture Noisy Picture Analog only Analog only Digital only Digital only Which is NG? Check IC9001(Brownie)/ Sound is normal ? Analog RF or Digital RF IC9001(Ayu2) Both No sound...
  • Page 158 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S IC2121 IC9001 (Brownie) IC2151 IC2151 PIN 6...
  • Page 159 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S (SIDE-B) IC2201...
  • Page 160 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC2121 IC9001(Brownie) IC2151 (PIN 6)
  • Page 161 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM (L4) IC2201 (Not applicable for this model) IC220...
  • Page 162 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC9001(Brownie) C900 ( o IC2151 IC2121...
  • Page 163 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) BKX(SIDE-B) IC2201...
  • Page 164 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE-BKT (Not applicable for this model) IC2121 IC9001(Brownie) IC2151 IC2151...
  • Page 165 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE-BKT (SIDE-B) (Not applicable for this model) IC2201 IC2201...
  • Page 166 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-9. NO PICTURE: @ Tuner AEP-S2 / AEP-T2C2S2 (SAT part) No Picture of SAT Check IC9001(Brownie)/ Confirm ANT connection Sound is normal ? IC9001(Ayu2) No sound Error free Connect ANT Cable Confirm BER of digital RF Confirm BER of digital RF Check Brownie and Check Brownie and...
  • Page 167 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S IC2031 IC2031 (luxor) IC9001 (Brownie)
  • Page 168 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC2031 IC9001(Brownie)
  • Page 169 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference (Not applicable for this model) IC9001(Brownie) IC2031 IC2031...
  • Page 170 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE-BKT (Not applicable for this model) IC2031 IC9001(Brownie) IC9001(Brownie)
  • Page 171 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-10. NO PICTURE: @ Tuner JPN (Digital only) No Picture Noisy Picture Noisy Picture Either one Which is NG? Check IC9001(Brownie)/ Sound is normal ? Satellite RF or Terrestrial RF IC9001(Ayu2) No sound Both Both Error free...
  • Page 172 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2W IC2308 & IC2309 IC9001(Brownie)
  • Page 173 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-11. NO PICTURE: HDMI For example, Only HDMI 1 is NG No Picture Check the below point at All lines IC5009 side Other Input is OK are NG ・Check +5V line Check other Replace ・Check HPD line HDMI input...
  • Page 174 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A BA2 board Side A BA2- - A Side A Side IC5009 TMDS CN5002 RB5006 RB5016 RB5005 RB5005...
  • Page 175 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B R5105 BA2 B Side BA2- - B Side B Side B Side...
  • Page 176 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) BM- - A Side A Side IC5009 RB5005 TMDS RB5016 RB5016 RB5006 CN5002...
  • Page 177 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) BM- - B Side B Side R5105...
  • Page 178 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE/ BKX/ BKJ board Side A (not applicable for this model) BKE/ BKX/ BKJ board Side A (not applicable for this model) BKE/X/J BKE/X/J- - A Side A Side RB5016 RB5016 IC5009 RB5005 TMDS RB5006 CN5002 R5105...
  • Page 179 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-12. NO PICTURE: HDMI (BA2 & BM Board) Size B* Board Type G* Board Check PWR pin of IC5009 Type pin7, pin8, pin17, Pin26, pin27, pin36, Pin60, pin62, OTHERS Note: pin77,pin87, pin88, pin97 (AYU2) –...
  • Page 180 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A BA2 board Side A BM board Side A (not applicable for this model) BM board Side A (not applicable for this model) BM- - A Side A Side BA2- - A Side A Side...
  • Page 181 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B R5085 R5090 BA2 B Sid BA2- - B Side B Sid B Side...
  • Page 182 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side B BA2 board Side B BA2- - B Side B Side R5032 R5052 R5050 R5050 R5015 R5016 R5018 R5076...
  • Page 183 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A BA2 board Side A BA2- - A Side A Side RB5013 RB5013 RB5012 RB5012...
  • Page 184 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) BM- - B Side B Side R5085 R5090...
  • Page 185 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side B (not applicable for this model) BM board Side B (not applicable for this model) BM- - B Side B Side R5076 R5052 R5018 R5018 R5016...
  • Page 186 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side A (not applicable for this model) BM board Side A (not applicable for this model) BM- - A Side A Side RB5012 RB5013...
  • Page 187 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-13. NO PICTURE: HDMI (BKE/X/J Board) (Not applicable for this model) 3 5 3 / /J oa d) ( ot app cab e o t s ode ) Size B* Board Type G* Board Type Check PWR pin of IC5009 OTHERS...
  • Page 188 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE/ BKX/ BKJ board Side A (Not applicable for this model)
  • Page 189 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE/ BKX/ BKJ board Side B (Not applicable for this model) BKE/X/J BKE/X/J- - B Side B Side R5090 R5090 R5085...
  • Page 190 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE/ BKX/ BKJ board Side B (Not applicable for this model) BKE/X/J BKE/X/J- - B Side B Side R5052...
  • Page 191 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE/ BKX/ BKJ board Side A (Not applicable for this model) BKE/X/J BKE/X/J- - A Side A Side RB5012 RB5013...
  • Page 192 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board Type 3-5. No Picture 3-5-14. NO PICTURE: MHL (BA2 & BM) OTHERS Note: (AYU2) – IC9000 40” BA2-S BA2-W (Brownie) IC9001 (Brownie)- IC9001 N Pi t No Picture 46” BA2-S BA2-W 55”...
  • Page 193 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2 board Side A BA2- - A Side A Side RB5019 RB5020 D5001 D5001 D5002...
  • Page 194 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM board Side A (not applicable for this model) BM- - A Side A Side RB5020 RB5019 D5001 D5001 D5002...
  • Page 195 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board Type 3-5. No Picture 3-5-15. NO PICTURE: MHL (BKE/ BKX/ BKJ ) (Not applicable for this model) OTHERS Note: (AYU2) – IC9000 40” BA2-S BA2-W No Picture No Picture (Brownie) IC9001 (Brownie)- IC9001 46”...
  • Page 196 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE/ BKX/ BKJ board Side A (Not applicable for this model) BKE/X/J BKE/X/J- - A Side A Side RB5020...
  • Page 197 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKE/ BKX/ BKJ board Side B (Not applicable for this model) BKE/X/J BKE/X/J- - B Side B Side RB5019 D5001 D5002...
  • Page 198 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board 3-5.No Picture Type 3-5-16. NO PICTURE: LD Models only OTHERS 40” BA2 S BA2-S BA2 W BA2-W 46” BA2-S BA2-W No Picture 55” BA2-S BA2-W Replace All blue picture is on? Check the G*- LD* the B-Tcon, Tcon-LD* Change B* Board...
  • Page 199 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type G* Board 3-5.No Picture Type 3-5-17. NO PICTURE: (TE and HG Model) OTHERS Note: 40” BA2-S BA2-S BA2-W BA2-W (AYU2) (AYU2) – IC9000 IC9000 No Picture (Brownie)- IC9001 46” BA2-S BA2-W PANEL_VCC =12V 55”...
  • Page 200 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-5. No Picture 3-5-18. NO PICTURE: (Except HFR Model) PANEL VCC PANEL_VCC = +12V +12V BL ON (L or H) BL_ON (L or H) No Picture LS(G*-Board): JL9102 LS (G*-Board): JL9111 LW (Adaptor): JL9301 LW (Adaptor): JL8205 BL_ON：H Check Check...
  • Page 201 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM Board Side B (Not applicable for this model) TE Model Probing Points BM (B-Side) JL9111 JL9111 (BL_ON) JL9102 (PANEL VCC)
  • Page 202 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S / BA2W Board Side B HG, MD & LK Models Probing Points (B-Side) (B Side) BA2-S/BA2-W BA2 S/BA2 W JL9111 (BL_ON) JL9102 (PANEL_VCC)
  • Page 203 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKX/ BKE Board Side B (Not applicable for this model) LW Model Probing Points BKX/BKE (B Side) BKX/BKE (B-Side) JL8205 JL8205 (BL_ON) JL9301 (PANEL VCC)
  • Page 204 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKJ Board Side B (Not applicable for this model) LW-J Model Probing Points BKJ (B-Side) JL8205 (BL_ON) JL9301 JL9301 (PANEL_VCC)
  • Page 205 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-6. Input Skip function Non-Detect CVBS Detect RGB Detect Input Signal Non-Detect Detect Non-Detect Detect Input Signal Input Signal (Typical) (Typical) (Typical) SCART AV1 SCART AV1 SCART AV1 SCART AV1 (Typical) ( yp (Typical) ( yp (Typical) (Typical) (Typical)
  • Page 206 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-7. SIDE BUTTONS MALFUNCTION ■ Execute SIDE BUTTONS i.Start Side Key check with diag sidekey_check. ii.Push Side Key : CH+ when [MESSAGE] PLEASE PUSH [ CH+ ] KEY is displayed. iii P iii.Push Side Key : CH- h Sid K when [MESSAGE] PLEASE PUSH [ CH- ] KEY is displayed.
  • Page 207 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-8. IR REMOTE COMMANDER MALFUNCTION Center white LED IR do not response to Check remote Change remote light at power Remote Commander control control indicator Check whether center Check harness white LED blink ,when using connection is OK Change SmartCore (mechanical) commander near the sensor on HIR and HSC...
  • Page 208 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-9. Light Sensor Error Change the UI Update Software setting to “:ON” Check UI setting for light Backlight doesn’t change Check current Software sensor . when ambient lighting Make sure it is “on” level changed Check whether harness is Connected on HIR and HSC Board Connect the Harness...
  • Page 209 RB1G CHASSIS Troubleshooting W900A/904A/905A Size B* Board Type 3-10. Network Malfunction: Ethernet (Wired) OTHERS [Network Set-up] Note: Note: 40” 40” BA2 S BA2-S BA2 W BA2-W >[Wired Set-up] (AYU2) – IC9000 on the TV (Brownie)- IC9001 46” BA2-S BA2-W 55” BA2-S BA2-W Connection Results...
  • Page 210 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BM (A-side) (not applicable for this model) BM (A-side) (not applicable for this model) CHK2 CHK5 CHK2 CHK1 CHK3 CHK3 CHK5 CHK4...
  • Page 211 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BA2S / BA2W (A-side) BA2S / BA2W (A-side) CHK1 CHK4 CHK5 CHK5 CHK5 CHK3 CHK2 CHK2 CHK2...
  • Page 212 RB1G CHASSIS Troubleshooting W900A/904A/905A Troubleshooting Reference BKx (A-side) (not applicable for this model) BKx (A-side) (not applicable for this model) CHK1 CHK1 CHK5 CHK5 CHK4 CHK3 CHK2 CHK5 CHK5 CHK2...
  • Page 213 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-11. Wireless Network malfunction 1) Internal Wireless Network malfunction Wireless Network on the TV Error Message appear Is the radio field when the Wireless Strength too weak B* Board Network is selected? or even No signal? Hardware defect suspected.
  • Page 214 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-11. Wireless Network malfunction (continue) Come from If Wi-Fi malfunction happens, the previous page. • Wi-Fi module • HSC board • Harness between HSC and B* Board • B* board are suspected. Check harness Connect properly Loose harness connection is OK between HSC and B*...

  • Page 215: 3-12. Bluetooth Malfunction

    RB1G CHASSIS Troubleshooting W900A/904A/905A Service Menu 3-12. Bluetooth Malfunction If Bluetooth malfunction happens, 001 OP • BT module 000 VERS • • HSC board HSC board • Harness between HSC and B* One Touch Remote doesn’t work <MAIN> <EXT> Board •...
  • Page 216 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-13. ３ D-Glasses(Active) malfunction *(2) BT 3D glasses (HG/TE) doesn’t work (2) BT 3D glasses (HG/TE) doesn t work <2.8V Replace to New Battery and try again Replace to New Battery and try again. Check 3D-Glasses k 3D Gl Battery voltage is (use CR2025 only.)
  • Page 217 RB1G CHASSIS Troubleshooting W900A/904A/905A 3-14. HDD-Rec Malfunction 3-15. Android Application Malfunction HDD Rec An Application cannot start Malfunction HDD is connected Connect to the Try TEST RESET, factory reset to the appropriate appropriate port or software update USB port? USB Hub is inserted Is the drive size larger 32GB and over i b t...

  • Page 218: Change Data By Service Mode 2

    RB1G CHASSIS W900A/904A/905A SECTION 4 SERVICE ADJUSTMENTS 4-1. Accessing Service Mode 4-3. Change Data by Service Mode 1 1) Go to TV standby condition by remote commander. 1. Change Data of “Chassis” or “VPC” service mode 2) Press “i+ (info)”, “5”, “Volume +” then “TV power” on remote. Press “2 / 5”...
  • Page 219 RB1G CHASSIS Service Adjustment W900A/904A/905A 4-5. Change Data by Service Mode 2 Change Data of “Digital” service mode (except “003 DIG_SRV_MODE” Change Data of “Digital” service mode ( “003 DIG_SRV_MODE” category) category). “003 DIG_SRV_MODE” is one category of “Digital” service mode.

  • Page 220: Save Changing Data By Service Mode 2

    RB1G CHASSIS Service Adjustment W900A/904A/905A b) Only when B board is replaced. 4-6 Save Changing Data by Service Mode 2 4-6. Save Changing Data by Service Mode 2 a) Only when B* board is replaced. & VAR_TYPE change is necessary In “Digital”...
  • Page 221 RB1G CHASSIS Service Adjustment W900A/904A/905A 4-8. WB Adjustment by Service Mode 4-7. Restore WB / Gamma Adj. Data to B board. 1. in “VPC” service mode (“004 WB” category) Please apply after USB-DL when B board is replaced. HG,TE Models Press “1”...
  • Page 222 RB1G CHASSIS Service Adjustment W900A/904A/905A 4-9. VCOM Adjustment (NFR-AUO Panel) 4-9-3. STEP3 4-9-1. STEP1 1 in “Digital” service mode 1. in “Digital” service mode DIGITAL (DIG_SRV_MODE) SERVICE in “VPC” service mode Select “003 DIG_SRV_MODE” Select “002 VCOM” category by SERVICE TEST PATTERN category by pressing “2 / 5”...

  • Page 223: Vcom Adjustment (Hfr-Sdc Panel

    RB1G CHASSIS Service Adjustment W900A/904A/905A 4-10. VCOM Adjustment (HFR-SDC Panel) 4-11-2. STEP2 4-10-1. STEP1 in detailed REC setting screen Press “1” to select “Key Copy” item in “VPC” service mode Press “Enter” or “12” twice to execute the command. Press Enter or 12 twice to execute the command. Select “002 VCOM”...

  • Page 224: Reset Panel Operation Time

    RST . It indicate writing is processing. After a while, red “EXE-RST” changes to green “SERVICE”. And blink Smart Core WHITE LED. Writing process is done at this point. SELF CHECK SONY 002 MAIN_POWE  ‐‐‐‐‐‐‐‐‐‐‐‐ ‐‐‐‐‐‐‐‐‐‐‐‐ ‐‐‐‐‐‐‐‐‐‐‐‐ 00 Model Name      : KDL‐46W90AA    003 AFE I2C 003 AFE_I2C    ‐‐‐‐‐‐‐‐‐‐‐‐ ‐‐‐‐‐‐‐‐‐‐‐‐ ‐‐‐‐‐‐‐‐‐‐‐‐ 00 Serial Number   : ‐‐‐‐‐‐‐‐ 00 Serial Number <Another way>...
  • Page 225 RB1G CHASSIS Service Adjustment W900A/904A/905A 4-15. Service Menu Tree 4-15-1. Tree 1 4-15-2. Tree 2 “Digital” “Chassis” 001 OP 000 WYVERN 000 VERS 000 VERS …Software version S ft <omission> 002 MODEL 001 TUNING 000 SEG ...Select segment information <omission> 001 DEST ...Select destination information 002 D_DEMOD...
  • Page 226 RB1G CHASSIS Service Adjustment W900A/904A/905A 4-15-3. Tree 3 “VPC” 000 DATA COPY 000 DATA_COPY …WB Data Restore Function (Tcon board to B board). WB Data Restore Function (Tcon board-to-B board) SELF CHECK SELF CHECK 000 BU_TRANS 001 DATA_BACKUP ...WB Data Backup Function (B board-to-Tcon board). 002 MAIN_POWE  ‐‐‐‐‐‐‐‐‐‐‐‐...
  • Page 227 RB1G CHASSIS Service Adjustment W900A/904A/905A a) Self Diagnosis Display [1] b) Self Diagnosis Display [2] Format of error time stamps USB dongle: Error history clear YYMMDDhhmmss (in UTC) <8> -> <0> 1. When no Wi-Fi USB dongle is connected, NA is displayed. Example: Panel operation time clear Panel operation time clear...

  • Page 228: Non Network Function

    How to enter this screen depends of the region How to enter this screen depends of the region. network screen Please confirm your TV has what screen among below: 1) Settings--->Product Support -> Contact Sony (Japan Region only) 2) Settings--->Product Support -> System information (Others Region) 3) 設定--->製品サポート--->お問い合わせ...
  • Page 229 RB1G CHASSIS W900A/904A/905A 4-17 NON network function of RDS(Remote diagnosis) 4 17. NON network function of RDS(Remote diagnosis) 5. Meaning of each items ITEMS EXPLAINATION ITEMS EXPLAINATION Display RF signal strength(not used, display is not  Signal Strength(%) g ( ) Model Name TV model name is displayed Model Name TV model name is displayed accurate.
  • Page 230 3. Select “System Settings” or “Preferences” using the buttons, then press the button. Press to display Sony Entertainment Network. Press the button for detailed information. 4. Select “One Touch Remote Control Setup” using the buttons, then press the button.
  • Page 231 Diagrams SECTION 5 DIAGRAMS 5-1.CIRCUIT BOARD LOCATION 5-1-1. KDL-40W900A /W904A /W905A 5-1-2. KDL-46 W900A /W904A /W905A BOARD G1A BOARD G1A BOARD BOARD SWITCH SWITCH SWITCH (HUS-1) (HUS-1) PYD BOARD PYD BOARD **SMART CORE Size B* Board Type Size B* Board Type...
  • Page 232 RB1G CHASSIS Diagrams W900A/904A/905A 5-2. Block Diagram 5-2-1 (EUROPE)
  • Page 233 RB1G CHASSIS Diagrams W900A/904A/905A 5-2 Block Diagram 5 2. Block Diagram 5-2-2 (JAPAN)
  • Page 234 RB1G CHASSIS Diagrams W900A/904A/905A 5-2. Block Diagram 5-2-3 (UC)
  • Page 235 RB1G CHASSIS Diagrams W900A/904A/905A 5-2 Block Diagram 5 2. Block Diagram 5-2-4 (LATIN/BRAZIL)
  • Page 236 RB1G CHASSIS Diagrams W900A/904A/905A 5-2. Block Diagram 5 2. Block Diagram 5-2-5 (CHINA/HK)
  • Page 237 RB1G CHASSIS Diagrams W900A/904A/905A 5 2 Bl 5-2. Block Diagram k Di 5-2-6 (TAIWAN/COL)
  • Page 238 RB1G CHASSIS Diagrams W900A/904A/905A 5-2. Block Diagram 5-2-7 (PAN ASIA)
  • Page 239 RB1G CHASSIS Troubleshooting W900A/904A/905A 5-2. Block Diagram 5-2-8 Block Diagram around Smart Core 5-2-8 Block Diagram around Smart Core WiFi related Smart Core WiFi module WoWLAN WiFi Reset WiFi USB B* board 14p BtoB LED_R Connector LED G LED_G CN001 CN001 HSC board LED_B...

  • Page 240: Connector Diagram

    Diagrams 5-3. Connector Diagram...
  • Page 241 Sony Corporation Sony Corporation Sony EMCS (Malaysia) Sdn. Bhd. English 9-888-137-01 HESRDM © 2013. 04...

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