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Sony BRAVIA KDL26BX300, Service Manual, Page: 9 / 24

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Sony BRAVIA KDL26BX300 Service Manual Download Page 9

– 8 –

KLV-22, 26, 32 BX300, 40 BX400

RM-GA019

SECTION 3

TROUBLESHOOTING

3.1 FLOWCHART

3-1-1. NO POWER

No power

Destination

88-132Vac

176-264Vac

AC Cable

3.3V_DC

CV6200 Pin3

on BAA board

 

Power Board

No standby3.3V

3.3V_DC

CV6200 Pin3

on BAA board

 

12.5V_DC

CV6200 Pin10

on BAA board

 

Power Board
No REG12V

BAA Board

110V

220V-240V

No

No

Yes

Yes

No

Yes

No

Yes

Summary of Contents for BRAVIA KDL26BX300

Page 1: ...KDL 40BX400 SERVICE MANUAL Click on Page Number to display details of change Date Part Number Description of Revisions Version 2010 02 9 883 484 01 Original Manual 1 0 2010 06 9 883 484 02 Part number changes BAA Board P18 P19 P20 P21 2 0 ...

Page 2: ... 1 SERVICE MANUAL AZ1 A 5 2 CHASSIS RM GA019 MODEL DEST MODEL DEST KLV 22BX300 RUSS KLV 26BX300 RUSS KLV 32BX300 RUSS KLV 40BX400 RUSS ...

Page 3: ... 8 3 1 2 Video Problem 9 3 1 3 Audio Problem 9 4 SERVICE ADJUSTMENTS 4 1 Accessing Self Diagnostic Menu 10 4 2 Accessing Service Mode 10 4 3 GAISOU Adjustment 10 Section Title Page Section Title Page 5 DIAGRAMS 5 1 Block Diagram 11 5 1 1 KLV 22 26 32 BX300 11 5 1 2 KLV 40BX400 12 5 2 Wire Dressing and Connector Diagram 13 5 2 1 KLV 22BX300 13 5 2 2 KLV 26BX300 14 5 2 3 KLV 32BX300 15 5 2 4 KLV 40B...

Page 4: ...ement 6 Check the line cords for cracks and abrasion Recommend the replacement of any such line cord to the customer 7 Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage test as described next 8 Live chassis can cause electric shock as its connected to the AC power line Therefore use isolation transformer and gloves when ch...

Page 5: ... n t r a P r e t e m a i D s k r a m e R 9 1 5 0 0 0 4 6 mm m m m m m m m 3 0 Kg 5 2 0 0 2 5 0 0 0 4 6 7 m 4 0 Kg 0 5 0 1 2 5 0 0 0 4 6 7 m 5 0 Kg 0 5 0 2 2 5 0 0 0 4 6 7 m 6 0 Kg 5 2 0 3 2 5 0 0 0 4 6 7 m 8 0 Kg 0 0 1 4 2 5 0 0 0 4 6 7 m 0 1 Kg 0 0 1 5 2 5 0 0 0 4 6 7 m 2 1 Kg 0 0 1 6 2 5 0 0 0 4 6 7 m 6 1 Kg 0 0 1 7 Figure 2 LF logo Figure 3 LF logo on circuit board 1 Hold the center of a connec...

Page 6: ...Specification 2 3 LED Display Control PROG Power Program Volume Input Select Enter Menu Remote Sensor Picture Timer Off Standby Indicator Power Indicator 3 0 sec 3 0 sec 3 0 sec 0 5 sec 0 5 sec LEDType Description Remark Status LED Display Power Remark POWER Green LED Green lights at power ON STANDB Timer Pic off Y Red OneLED Red lights during standby Orange Green TwoLEDs Green Lights during Pictu...

Page 7: ...rd 2 Panel 3 GD1 22 POWER UNIT G1LS 26 G2LE 32 G2HE 40 4 BAA board 5 T CON Error 1 T CON Panel ID NVM Error 2 BAA 3 LVDS Cable 4 GD1 22 POWER UNIT G1LS 26 G2LE 32 G2HE 40 6 Backlight Error 1 Inverter board 2 GD1 22 POWER UNIT G1LS 26 G2LE 32 G2HE 40 3 BAA 7 Temp Error 1 BAA 2 GD1 22 POWER UNIT G1LS 26 G2LE 32 G2HE 40 2 5 Standby LED Error Display and Board Replacement Order Perform below counterme...

Page 8: ...HE 40 GD2 46 T con board Speaker unit RF module Panel module FFC cable Joint connector Problem No Power BAA board Balancer TCON Panel ID Inverter Temperature No Power BAA board BAA board BAA board BAA board BAA board BAA board BAA board Doubtful part few possibility No Power Symptom dead set Video distored or missing Reference 6Blinks 7Blinks 2Blinks 3Blinks 4Blinks 5Blinks 2 6 Triage Chart ...

Page 9: ...WCHART 3 1 1 NO POWER No power Destination 88 132Vac 176 264Vac AC Cable 3 3V_DC CV6200 Pin3 on BAA board Power Board No standby3 3V 3 3V_DC CV6200 Pin3 on BAA board 12 5V_DC CV6200 Pin10 on BAA board Power Board No REG12V BAA Board 110V 220V 240V No No Yes Yes No Yes No Yes ...

Page 10: ... No BAA Board Check LVDS harness connection between BAA board or Panel or Power board No Yes Yes Yes BAA Board Yes Yes BAA Board BAA Board Backlight Turn on Only Speaker out HDMI Problem RF Analog Input Problem Digital Input Problem BAA Board No No No No UI of Audio Setting correct Volume TV Speaker BAA Board Set correctly or reset by menu Check Speaker BAA board No Yes Yes BAA Board BAA Board ...

Page 11: ...ack 6 For example if color is Red than should select 03 in the service mode of the TV set Service Mode Menu Sample Service Mode Menu Sample Service Mode Menu Sample Self Check 002 Main Power 001 003 Dc_Alert 000 003 Aud_Prot 000 003 MotionFlow 000 004 Balancer_Error 000 005 T CON Error 005 Panel ID NVM Error 000 006 Backlight Error 000 007 Temp_Error 000 00009 00027 00009 Total Hours of Operation ...

Page 12: ...LASH 64MByte Conventional INVERTER CCFL PANEL 8bit WXGA Line out PWM 16Bit PWM TPA3110D2 NJM2779 AMP SIRCS LED LED JTAG Hotel UART ECS STBY UART0 SIRCS M_I2C RGB Ambient sensor Main NVM 16KByte Temp Sensor USB1 HDMI2 EDID D D DDC0 HDMI2 HDMI1 EDID TMDS2 DDC2 DCC PC HDMI2 L R HDMI1 PC EDID RGB HV PC HDMI3 L R TMDS0 Video 1 MON Out Video 1 Mon L R Video 2 Video 2 L R Component 1 Video3 Comp1 Video3 ...

Page 13: ...t LPF LPF PWM 16Bit 16Bit Contro I O IF_In MT5388 BGA PDD0 7 Odd Channel 8bit Conventional INVERTER CCFL PANEL 8bit FHD Eve Channel 8bit Memory Memory DDR2 32Mx16bits Tu I2C SAW 38Mz Tuner CVBS Out SW SW In L R CVBS1 Mon Video1 Mon L R CVBS2 Video2 L R Yuv1 CVBS3 Comp1 Video3 L R CVBS In NAND FLASH 64MByte CVBS Out x 2ch CVBS In x 4ch Audio In x 7ch YUV In x 2ch RGB In x 1ch TMDS In x 3ch Audio ou...

Page 14: ... Clamp Edge Insert Connector Insert Connector Pink Blue Pink Blue MAIN HARNESS Insert Connector Insert Connector Insert Connector Insert Connector TAPE FLAT FLEXIBLE CABLE FFC BAA CN9701 30 CN6200 10 CN5600 30 CN4000 4 INVERTER GD1 STATIC CONVERTER TV GD1 2A POWER SUPPLY Speaker L Speaker R CN6000 2 AC Power H2LR CN6150 15 CN6701 2 H2LS SW unit Blue Pink Blue Pink CNxxxx 4 CN6702 2 CNxxxx 4 CN6704...

Page 15: ...rt Connector Insert Connector Insert Connector Insert Connector 5 2 2 KLV 26BX300 INVERTER POWER UNIT G1LS POWER SUPPLY Speaker L Speaker R CN6000 2 AC Power H2LR HLR3 H2LS SW1 CNxxxx 14 CN100 CN001 10 12 CN1 CN100 3 BAA CN9701 30 CN6200 10 CN5600 30 CN4000 4 CN6202 14 TCON 30 CN6201 15 AV_Input Power On Off Tuner I O Audio HDMI Micon Power source DDR Main1 Main2 LVDS Panel LED Optical Sensor SIRC...

Page 16: ...or Insert Connector Insert Connector Insert Connector 5 2 3 KLV 32BX300 BAA CN9700 9701 51 30 CN6200 10 CN5600 30 CN4000 4 INVERTER Speaker L Speaker R CN6101 3 AC Power H2LR H2LS SW1 CNxxxx 14 CN100 CN001 10 12 CN1 CN100 3 CN6402 14 TCON 30 CN6401 15 TCON 4 CN6403 6 AV_Input Power On Off G2LE POWER SUPPLY LED Optical Sensor SIRCS Tuner I O Audio HDMI Micon Power source DDR Main1 Main2 LVDS Panel ...

Page 17: ...ctor FFC Cable 5 2 4 KLV 40BX300 BAA CN9700 51 CN6200 10 CN5600 30 CN4000 4 INVERTER Speaker L Speaker box L Speaker R Speaker box R CN6101 3 AC Power H2LR H2LS SW1 CNxxxx 14 CN100 CN001 10 12 CN1 CN100 3 CN6402 14 TCON 51 CN6401 15 TCON 4 CN6403 6 AV_Input Power On Off G2HE POWER SUPPLY LED Optical Sensor SIRCS Tuner I O Audio HDMI Micon Power source DDR Main1 Main2 LVDS Panel A WIRE DRESSING B C...

Page 18: ... KLV 22BX300 5 3 2 KLV 26BX300 5 3 3 KLV 32BX400 5 3 4 KLV 40BX400 BAA Board G2LE Board H2LR Board H2LS Board BAA Board G2HE Board H2LR Board H2LS Board BAA Board GD1 Board STATIC CONVERTER TV GD1 2A H2LR Board H2LS Board BAA Board POWER UNIT G1LS Board H2LR Board H2LS Board ...

Page 19: ...qg 2 screws 1 3 screws qk Loudspeaker 4 x 10cm qh Bracket Speaker R qf Loudspeaker 4 x 10cm wk 2 screws wj 2 screws wg 4 screws wf Connectors ef H2LS Board ed Connectors es H2LR Board wh GD1 Board qa 2 screws qd 4 screws 9 2 screws ws 2 screws wa 2 screws ql Bracket Side w Connectors wd BAA Complete e LCD Panel wl Bracket Main q Cover Under 3 4 screws 4 2 screws 2 Base S3B Assy qs Bracket Speaker ...

Page 20: ...RACKET 26R ASSY w 1 474 199 11 POWER UNIT wa 4 156 944 51 BRACKET SIDE JACK wg A 1782 842 A BAA COMPL BX_WX_32_26 SERVICE Ver 2 0 ea 1 811 071 11 LCD PANEL A26V0 ed A 1744 833 A H2LR MOUNT eg A 1744 834 A H2LS MOUNT AZ1A eh X 2514 590 1 BEZEL 26 ASSY REF NO PART NO DESCRIPTION REMARK Parts List 15 1 Bracket SP 26L qg SP Bracket 26R Assy 15 1 Bracket SP 26R eh Bezel Assy 6 Rear Cover 26 Assy 3 10 s...

Page 21: ...80 595 01 SCREW PSW M3X12 15qdqj 7 685 648 79 BVTP 3X12 TYPE 2 IT 3 9e 4 159 298 01 SCREW PSW M4X10 Screw 1 X 2546 140 1 BASE M3B ASSY 4 171 685 01 NECK M3B 4 171 689 01 COVER NECK M3B 6 X 2515 519 1 REAR COVER 32 ASSY 7 4 115 101 41 COVER ECS 8 4 167 326 01 BRACKET VESA S 0 4 157 976 01 COVER UNDER 32 0 4 169 309 01 COVER UNDER 32 qs X 2547 450 1 SP BRACKET 32L ASSY qfqk 1 858 364 11 LOUDSPEAKER ...

Page 22: ...B ASSY 6 X 2515 520 1 REAR COVER 40 ASSY 7 4 115 101 41 COVER ECS 8 4 167 326 01 BRACKET VESA S 0 4 157 977 01 COVER UNDER 37 0 4 169 308 01 COVER UNDER 37 qs X 2547 452 1 SP BRACKET 40L ASSY qfqk 1 858 364 11 LOUDSPEAKER 12 5X4 5CM qh X 2547 453 1 SP BRACKET 40R ASSY wa A 1752 780 A G2HE UNIT ws 4 156 944 51 BRACKET SIDE JACK wh A 1784 340 A BAA COMPL BX_FHD_40 SERVICE Ver 2 0 ed 1 811 060 11 LCD...

Page 23: ...P 1 6 2 3 KLV 32BX300 CONNECTORS 1 910 059 62 CONNECTORASSY14P CN6402 G2LE INV 1 1 910 059 61 MAINHARNESS CN6200 BAA CN6401 G2LE CN5600 BAA CN100 H2LR CN1 H2LS CN4000 BAA SP 1 1 837 561 11 FLATFLEXIBLECABLE FFC CN9701 BAA TCON 1 6 2 4 KLV 40BX400 CONNECTORS 1 910 059 67 CONNECTORASSY14P 1 837 731 11 FFCWITHCONNECTOR CN9700 BAA TCON 1 1 910 800 08 MAINHARNESS CN6200 BAA CN6401 G2HE CN5600 BAA CN100...

Page 24: ...9 883 484 02 Sony Corporation Sony UK Service Promotions Dept English 10FP7100 1 Printed in U K 2010 06 ...

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