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KDL-70W830B 12

SECTION 3 - REPAIR INFORMATION

REPAIRING THE TV

If the latest Software does not correct the issue, complete the following:

1. 

Verify the television has the symptom the customer indicated.

2. 

Replace part causing the symptom. 

3.  Install the latest version of Software (Required for ALL repairs).

4. 

Perform the required service adjustments and checks.

5. 

Verify the repair resolved the issue.

REMOVING THE REAR COVER

1. 

Place TV on a flat and steady surface in a standing position. 

2. 

Place TV face down on a soft and flat surface to remove all screws and 

detach the left and right Stand.

3.  Remove 1 screw from AC Cover and disconnect the AC Power Cord.

HOLD

4. 

Locate and remove all screws from the Rear Cover.

CAUTION: To avoid any damage and/or deformation to the Rear Cover, 

please refer to the following illustration.

Handling Area

(Firm, curled edges).

When handling the Rear Cover, 

hold edges as shown: 

OK to grab area

(Firm, sharp edges).

Grab with Caution

(Sharp edges, easy to deform).

Avoid area

(Sharp edges, easy to deform

 or damage the Rear Cover).

Correct

Incorrect

5. 

Grasp the Rear Cover as shown in the illustration to separate from panel.

6. 

Firmly lift the Rear Cover on the shown areas to detach.

Summary of Contents for KDL-70W830B

Page 1: ...odel HISTORY INFORMATION FOR THE FOLLOWING MANUAL LCD Digital Color TV 9 883 574 01 RB2G Chassis Segment HE Version Date Subject 1 0 02 07 2014 Original Manual Release Date MODEL COMMANDER DESTINATION KDL 70W830B RM YD102 US CND KDL 70W830B ...

Page 2: ... Block Diagram 7 No Power Flowchart 8 Standby LED Blinking Flowchart 9 Video Distortion Flowchart 10 No 3D Viewing 11 Section 3 Repair Information 12 Repairing the TV 12 Removing the Rear Cover 12 Replacing the Main Board Tuner Board 13 Replacing the Power Supply Board 17 Removing the Smart Core Block 18 Section 4 Exploded View Part Number Information 19 Table Top Stand 19 KDL 70W830B 20 Smart Cor...

Page 3: ...NGS ATTENTION Ces instructions de service sont à l usage du personnel de service qualifié seulement Pour prévenir le risque de choc électrique ne pas faire l entretien autre que celui contenu dans le Mode d emploi à moins que vous soyez qualifié faire ainsi ALERTE Afin d eviter tout risque d electrocution provenant d un chássis sous tension un transformateur d isolement doit etre utilisé lors de t...

Page 4: ...eakage as described in Leakage Test LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA 500 microamperes Leakage current can be measured by any one of three methods 1 A commercial leakage tester Follow the manufacturers instructions provided with the tester 2 A battery o...

Page 5: ...l 2 69 Digital terrestrial 2 69 LCD Liquid Crystal Display Panel LED Backlight 10 W 10 W Protocol IEEE802 11a b g n 75 ohm external terminal for RF inputs Video Audio input phono jacks Video 2D 1080p 30 60 Hz 1080 24p 1080i 60 Hz 720p 30 60 Hz 720 24p 1080p 30 Hz 1080 24p 1080i 60 Hz 720p 30 60 Hz 720 24p SECTION 1 SPECIFICATIONS AND LAYOUTS Screen size dimensions and mass are approximate values O...

Page 6: ...CTION 1 SPECIFICATIONS AND LAYOUTS BOARD LAYOUT KDL 70W830B SMART CORE BLOCK SMART CORE SWITCH UNIT MAIN BOARD BAX BOARD TUNER BOARD TUS BOARD POWER BOARD G2B BOARD LD BOARD TCON HSC2 BOARD WIRELESS LAN CARD BT MODULE ...

Page 7: ...KDL 70W830B 3 SECTION 1 SPECIFICATIONS AND LAYOUTS WIRE DRESSING KDL 70W830B SMART CORE BLOCK ...

Page 8: ...nfo i Channel 5 Volume POWER NOTE This differs from accessing Service Adjustments Mode Volume SECTION 2 TROUBLESHOOTING SelfDiagnosis Supported model SELF CHECK 000 RESERVED 00 000 RESERVED 00 002 MAIN_POWE 00 003 DC_ALERT 00 003 AUD_PROT 00 003 HDMI_EQ 00 003 TU_DEMOD 00 004 VLED 00 004 LD_ERR 00 005 HFR_ERR 00 005 TCON_ERR 120123132522 120123113645 02 005 P_ID ERR 00 006 BACKLITE 00 007 TEMP_ERR...

Page 9: ...Inputs No Video All Inputs No Remote Wireless can t connect Bluetooth can t connect No Audio No LED MAIN BOARD TUNER BOARD POWER SUPPLY H BOARD SPEAKERS WIFI BT BOARD LVDS FFC Problem POWER AUDIO POWER LD TCON BACK LIGHT TEMP EMI TTER SOFT WARE 4 Follow the associated flowcharts in the Training Manual to isolate the board Board Reference Symptoms Shutdown Power LED blinking red diagnostics sequenc...

Page 10: ...R TCON L R HEADPHONES OUT OPTICAL AUDIO OUT HDMI USB HUB SWITCH EQ ETHERNET USB HDMI 4 LVDS AC IN A V DECODER VIDEO PROCESS WIFI IR RX LED s HIR HSC2 SMART CORE LD BT HDMI 2 ARC HDMI 3 USB CAMERA MIC TUNER AUDIO AMP TUNER DEMODULATOR ADC DACAMP MAIN BOARD TUNER BOARD LCD PANEL LED BACKLIGHTS LOCAL DIMMING POWER SUPPLY BOARD SWITCH UNIT G2B BAX USB HUB ...

Page 11: ...5 4 IP_REF 4 8 LD_PWM_1 3 3 LD_PWD_0 2 2 LD_STDBY 8 NC SA_MODE 1 NC 1 14 VLED_VCC 2 13 VLED_VCC 3 12 VLED_VCC 4 11 VLED_VCC 6 9 VLED_GND 7 8 VLED_GND 8 7 VLED_GND 9 6 VLED_GND 10 5 VLED_GND 11 4 LD_ERR 12 3 GL_CTRL 14 1 SET_12V NC 10 NC NC 2 NC CN2002 CN2001 CN9101 CN6401 POWER_ON 28 11 STBY3 3V 23 14 REG12V 17 21 REG12V 16 20 REG12V 15 19 REG12V 14 18 REG12V 13 17 GND 12 30 GND 11 29 GND 10 25 GN...

Page 12: ...5V on Pin 27 of CN6401 on Power Supply Board Yes No Main Board Press power button while monitoring Pin 28 of CN6401 on Power Supply Board High 3 3V appears momentarily Yes No Power Supply Board Power Supply Board Power Supply Board Remove AC power and wait at least 30 seconds before reapplying For Part Number information refer to Section 4 Exploded View Part Number Information on page 19 ...

Page 13: ... Yes 5X Yes 6X No 7X Imediately LCD Panel TCON LCD Panel Yes No After a while Check ventilation 10X HEM3 Board 8X See Triage Chart Main Board Power Supply Board No Yes Placa Principal Yes No 10X HEM3 Board 9X Tuner Board Placa Principal Yes No 10X HEM3 Board 10X H Board For Part Number information refer to Section 4 Exploded View Part Number Information on page 19 ...

Page 14: ... Yes Improper or missing colors Yes Main Board No Vertical lines or bars No Yes Lines move when wide mode changed Yes No TCON LCD Panel Main Board LCD Panel Any single or isolated vertical lines Yes LCD Panel More than 1 vertical band No Yes TCON LCD Panel For Part Number information refer to Section 4 Exploded View Part Number Information on page 19 ...

Page 15: ...n Yes Main Board No Yes Press 3D button on Remote Commander and select Simulated 3D Active 3D Glasses View image with known working pair of Active 3D Glasses Double images become one Yes 3D OK No Bluetooth Board 3D Not Working Double images become one Remote works OK For Part Number information refer to Section 4 Exploded View Part Number Information on page 19 ...

Page 16: ...face down on a soft and flat surface to remove all screws and detach the left and right Stand 3 Remove 1 screw from AC Cover and disconnect the AC Power Cord HOLD 4 Locate and remove all screws from the Rear Cover CAUTION To avoid any damage and or deformation to the Rear Cover please refer to the following illustration HandlingArea Firm curled edges When handling the Rear Cover hold edges as show...

Page 17: ... MODEL 000 BOARD CHECK 9 Press 1 until 002 DEST item displays DIGITAL SERVICE 002 MODEL 002 DEST ATSC_UC_BASE SBTVD T_BASE SBTVD T_BASE SBTVD T_BASE CAUTION If the incorrect Destination Data Value is selected it may corrupt the Sofware requiring a Main Board replacement REPLACING THE MAIN BOARD TUNER BOARD The Main Board used in these models is available for repair For Part Number information refe...

Page 18: ...information is correct before saving the changes 14 Press MUTE then 0 to save the changes DIGITAL SERVICE 002 MODEL 003 MODELNAME KDL 70W830B WRITE 15 Locate the Serial Number for the TV on the side of the Rear Cover MODEL NO KDL 70W830B SERIAL NO 5000001 16 Press 1 until 004 SERIAL item displays DIGITAL SERVICE 002 MODEL 004 SERIAL 17 Press 0 to display the Serial Number Edit option DIGITAL MODEL...

Page 19: ...22 Press 3 until STD option displays DIGITAL SERVICE 002 MODEL 006 VAR_TYPE STD 23 Press MUTE then 0 to save the changes DIGITAL SERVICE 002 MODEL 006 VAR_TYPE STD WRITE 24 Cycle AC Power Unplug and plug AC Cord from the outlet 25 Access Service Mode by pressing the following buttons within 1 second of each other Info i Channel 5 Volume POWER 26 When the DIGITAL Menu appears press 2 until 002 MODE...

Page 20: ...RONG COMBINATION OF MAIN BOARD AND TUNER BOARD will display 29 Press RETURN then MUTE and 0 to save the changes DIGITAL MODEL SERVICE Board Check 1 Replace MAIN BOARD and TUNER BOARD 2 Replace TUNER BOARD only WRITE When replacing the Tuner Board only 30 Press 2 to verify the Tuner Board replacement results DIGITAL MODEL SERVICE Board Check OK TUNER BOARD OPTION STANDARD CAUTION If the Tuner Board...

Page 21: ...ER on the remote to turn ON the TV e Wait until the Software update is completed 32 Clear the Self Check screen a Press POWER to exit Service Mode b Press the following buttons on the Remote Commander within 1 second of each other Info i Channel 5 Volume POWER SELF CHECK 000 RESERVED 00 000 RESERVED 00 002 MAIN_POWE 00 003 DC_ALERT 00 003 AUD_PROT 00 003 HDMI_EQ 00 003 TU_DEMOD 00 004 VLED 00 004 ...

Page 22: ...om the front cover Locate and unclamp the side clips to detach the BT Module and Wireless LAN Card Wireless LAN Card Wireless LAN Card BT Module BT Module REMOVING THE SMART CORE BLOCK 1 Disconnect 2 connectors from Smart Core Block 2 Locate and remove 2 screws 3 Grasp Smart Core Block and carefully pull upwards then disconnect Harness to detach from Panel Smart Core Block Smart Core Block 4 Pull ...

Page 23: ...nes of the diagram NOTE The components identified by shading and mark are critical for safety Replace only with part number specified NOTE The components identified by a red outline and a mark contain confidential information Specific instructions must be adhered to whenever these components are repaired and or replaced See Appendix A TABLE TOP STAND 1 4 529 826 01 STAND RIGHT 2 4 529 825 01 STAND...

Page 24: ...9 21 POWER SUPPLY CORD 54 4 262 708 04 CLAMPER CABLE 55 4 532 660 01 COVER UNDER 56 4 528 436 01 LABEL REAR TERMINAL ORDER THIS PART WHEN REPLACING THE REAR COVER 57 4 484 999 51 LABEL UNDER TERMINAL ORDER THIS PART WHEN REPLACING THE REAR COVER 58 4 484 998 01 LABEL SIDE TERMINAL ORDER THIS PART WHEN REPLACING THE REAR COVER 59 4 486 224 01 BRACKET SP LEFT 60 1 859 005 11 SPEAKER BOX LEFT 61 4 48...

Page 25: ... 1 474 565 11 G2B BOARD COMPLETE 103 4 479 954 11 SHEET INSULATION G2 ORDER THIS PART WHEN REPLACING THE LCD PANEL 104 4 480 399 01 BRACKET REAR 105 A 1998 231 A TUS BOARD COMPLETE AFTER REPLACING THE TUNER BOARD YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION 106 4 480 398 01 BRACKET UNDER 107 A 1998 282 A BAX BOARD COMPLETE AFTER REPLACING THE MAIN BOARD YOU MUST UPDATE THE SOFTWARE TO THE LA...

Page 26: ... PANEL BKT L REINSTALL THIS PART WHEN REPLACING THE LCD PANEL 153 4 488 275 01 BRACKET STAND OUT RIGHT REINSTALL THIS PART WHEN REPLACING THE LCD PANEL 154 4 488 271 01 BRACKET STAND IN REINSTALL THIS PART WHEN REPLACING THE LCD PANEL 155 4 488 274 01 BRACKET STAND OUT LEFT REINSTALL THIS PART WHEN REPLACING THE LCD PANEL 156 NA LCD PANEL FOR LCD PANELAND TCON BOARD PART NUMBER INFORMATION REFER T...

Page 27: ... mark contain confidential information Specific instructions must be adhered to whenever these components are repaired and or replaced See Appendix A REF NO PART NO DESCRIPTION 202 203 207 206 205 204 201 SMART CORE BLOCK 201 4 474 894 01 BACK COVER 202 1 492 760 12 BT MODULE 203 1 458 723 11 WIRELESS LAN CARD 204 4 474 893 01 FRONT COVER 205 4 480 410 01 TOP COVER 203 A 1969 163 A HSC2 BOARD MOUN...

Page 28: ...ne and a mark contain confidential information Specific instructions must be adhered to whenever these components are repaired and or replaced See Appendix A CONNECTORS 251 254 252 253 251 1 910 804 30 CONNECTOR ASSEMBLY 14P G2B LD 252 1 848 160 11 LVDS FLEXIBLE FLAT CABLE 51P BAX TCON 253 1 910 804 28 HARNESS ASSEMBLY BAX LD G2B 254 1 910 804 27 CONNECTOR ASSEMBLY 30P BAX SC SU SPKS REF NO PART N...

Page 29: ...et Stand Out 2 Main Board 6 Power Supply Board 5 Switch Unit Holder 1 Panel Bracket L 4 Panel Bracket M 3 Rear Bracket 1 Rear Cover 9 Cover Under 1 Smart Core Block 2 SCREW PSW M4X10 SCREW PSW M5X16 SCREW PSW M3X6 W12 SCREW PSW M3X6 SCREW BVTP 4X12 TYPE2 IT 3 2 580 599 01 2 580 608 01 4 256 393 01 2 990 421 41 2 580 639 01 P N DESCRIPTION KDL 70W830B Tuner Board 4 Main Plate 5 AC Bracket 1 Rear Co...

Page 30: ... KIT AVAILABLE FOR SERVICE MISCELLANEOUS PART NO DESCRIPTION 4 460 760 01 CASE BATTERY 3D GLASSES 4 460 761 01 PAD NOSE 3D GLASSES 4 485 653 01 CLAMPER CABLE M 3 299 071 08 FLYER SAFETY 4 452 919 01 GASKET SC 4 476 778 01 SHEET INSULATION 4 432 770 11 SHEET PROTECTION 65 HMS 4 256 454 02 SPACER G A 3 674 673 22 STOPPER A 7 600 031 97 TAPE 3M 1350FB 1 15MMX66M BLK 7 600 031 96 TAPE 3M 1350FW 1 15MM...

Page 31: ...ey components shall be identified with a red outline and a 2 Only repair boards or components listed in the service manual shall be utilized for replacement and or repair 3 Disassembly decryption or reverse engineering component s is strictly prohibited 4 Any board in which the Servicer replaces an encryption key component must be placed back into the set it orignally came from and the replaced de...

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