This section of the service manual describes the disassembly and reassembly procedures for the LED TV. 1. Disconnect the LED TV from the power source before disassembly. 2. Follow these directions carefully. Use the Samsung Open Jig and Cushion to remove the Rear Cover. • Open Jig Tool, Protection Cushion (curved models Only)
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3. Disassembly and Reassemble Description & Screws Picture Description Gently lift up the Rear Cover from the bottom corners to release all mounting clips as indicated by Red Rectangles. If tabs break, Using Back cover as it is. Locking tabs locations (82") Remove the BT/WIFI module from Source Cover(1).
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3. Disassembly and Reassemble Description & Screws Picture Description Remove the power cable(A), (B) on Power board. Remove the power cable(C) on TV Board Remove the power cable(A) on Power board. Remove the power cable(B) on TV Board Remove the ffc(SPI)(A) on Power board. Remove ffc(SPI) (B) on TV Board Remove the power cable(A), (B) on Power board...
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3. Disassembly and Reassemble Description & Screws Picture Description (85")Removing LD/ SMPS board ② - Remove each FFC Cable(BLU) (1) ① - Undo 8 screw points(2) Removing Main board - Undo 4 screw points 11-1 (65"/75"/82")Removing LD/ SMPS board - Remove each FFC Cable(BLU) - Slide the board to unlock(If you are in trouble, you can use open jig to unlock) NOTE...
3. Disassembly and Reassemble 3-2. One Connect Disassembly Description & Screws Picture Description Remove the 3 screws from ASSY COVER P-OC BOTTOM. Screws 6003-000282 SCREW-TAPTYPE : M3 x L8, ZPC(BLK) • C/BOTTOM+C/TOP Use the Open Tool to unlock each corner. Open Jigs •...
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3. Disassembly and Reassemble Description & Screws Picture Description Remove the Cables. CNM803(26Pin) LEAD CONNECTOR-POWER Remove the 5 screws at each marked screw location on the board. Screws 6003-000282 SCREW-TAPTYPE : M3 x L8, ZPC(BLK) • SMPS+S/TOP Lift off the black Insulator Sheet taped to the plate assembly at "PULL"...
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3. Disassembly and Reassemble Description & Screws Picture Description Remove the 4 screws on the One Connect Board. Screws 6003-000282 SCREW-TAPTYPE : M3 x L8, ZPC(BLK) • MAIN BOARD+C/BOTTOM Completed the disassembly. NOTE Reassembly procedures are in the reverse order of disassembly procedures.
4. Troubleshooting 4. Troubleshooting 4-1. Diagnostic Methods (Flashing Symptom Codes) After TV is "COLD BOOTED" (AC Power Re-Cycled), Flashing symptom codes will operate and show the defect block with number of LED flash. Place a mirror or phone directly under Standby LED to observe flashing. ...
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4. Troubleshooting How to COLD BOOT the TV 1. Unplug and re-plug in the power cord. 2. While TV is on, Press & Hold Power Button of TV remote for 4 seconds. TV will turn off and on by itself. •...
4. Troubleshooting 4-2. Function Control Operation Test [On Screen Selections with Function Control] FUNCTION/IR Control Test 1. Place TV in Power Standby : 2. Check Status. (Note: Can be turned off in menu) 3. If LED is OFF ( & LED should be on with menu setting) LED 1.7Vdc (pin 8) and VCC for 3.3Vdc (pin 3) •...
4. Troubleshooting 4-3-1. TV POWER STANDBY TEST 1. TV in Standby Standby LED Indicator (Note: Status can be changed in user menu and may default off) 2. If Not Lit: (and should have been lit with status setting) B350V Line / One Connect Cable 3.
4. Troubleshooting 4-4. Video 4-4-1. ONE CONNECT Main Section Video Operation • If No Video Check connection status of One Connect Cable Reconnect One Connect Cable both side (TV and OCL) • If NG: Replace One Connect Box / Cable (defective) TV MAIN (defective)
4. Troubleshooting 4-4-2. MAIN/T-CON BOARD • Scaller & US Post of KANT-M2 Main CPU Section £ PRE FRC Main Section £ POST FRC Main Section £ T-CON Section Scaller & US Post of KANT-M2 Main CPU Section Customer Picture Test 1 Mute >...
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4. Troubleshooting POST FRC Main Section POST FRC (Factory Mode) Video Operation Generated at Post FRC in TV Main Board • If OK: Check/Replace defective TV Main Board • If Noisy: Mute £ 3 £ 6 £ 9 £ Mute ...
4. Troubleshooting 4-4-3. PANEL 1. If Noisy Video: Soc T-CON Pattern in Factory Mode • Use type of Noise observed (Bars, single lines, video distortion, etc to help.) • If noise is only on one half of screen check / swap panel cables. •...
4. Troubleshooting 4-4-4. Check Test Patterns • ENTER : Factory mode Test Pattern £ £ Main Board KANT-M2s Scaler Pattern / US Post Pattern FRC Pre Test Pattern FRC Post Test Pattern T-CON SoC TCON Test Pattern [Factory Mode] 1. Verify "Scaler Pattern" and "US Post Pattern" 2.
4. Troubleshooting 4-5. Audio • £ £ Source (One Connect) One Connect/TV Main Board Speakers AUDIO TEST • No TV Sound Menu £ Audio £ Speaker Settings set to TV Speaker • Noisy / Distorted TV Audio Customer Menu £ Support £ Sound Test •...
4. Troubleshooting 4-6. Network <TV> <Router> <Internet> TV to Router "Failure" 9 Check Network Status Check Network Status (TV Router Internet) Wired & Wireless MAC Address in Customer Support Menu. • No Wired MAC Address: Replace Main Board. • No Wireless MAC Address: Module cabling &...
If it fails both Manual & Auto problem is ISP or Router. ISP Blocking • If it Fails: Internet Service Provider is Active. With DNS setting at 8888. With Hot Spot. Samsung Server Test • If it Fails: Network Status. • If OK: Reset Smart Hub.
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4. Troubleshooting For Netflix Operation/Connection Issues: 9 Check Certificate & Netflix ESN Status in Factory Mode. • If Certificate and ESN exists, "CO", "NfO", change the 8.8.8.8 • If Certificate is missing, "C/" replace the TV’s Main Board. • If ESN number is missing: NF/ do not replace the Main Board. Reset TV Clock and check for correct Time &...
4. Troubleshooting 4-8. Bluetooth / WiFi Module 4-15...
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4. Troubleshooting • Go to Menu/Support/Contact Samsung Wired MAC Address (missing or error - replace Main Board) Wireless MAC Address Bluetooth Address • If Bluetooth Address or Wireless MAC Address are missing or errors exist BT & Wi-Fi Connector Voltages. If Voltages are OK but no BT or Wi-Fi Signals voltage(s), replace defective Module.
4. Troubleshooting 4-9. Replacing Main Board When replacing Main Board, certain values needs to be manually input in Factory menu to complete the replacement. Steps to Replace Main Board 1. Enter Factory Menu (Use Factory Remote only). • Power TV on : Select TV Source Info/Factory Option...
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4. Troubleshooting SW Model • Check Label Rating of the TV(located on the Rear Cover). - SW Model is digits after "/" in Version No. - Choose same SW Model code from the list. Home Updates Exit Factory Reset Type 65A1QE9TR Local Set SW Model...
Setting TV into Factory Mode Factory Remote 1. Power TV ON. 2. Select TV Source. Info → Factory. 4. Use MENU for return. AA81-00243A Samsung IR Remote 1. TV Power Standby. 2. Press as follows. • Remote Button NTSC MUTE POWER INFO MENU...
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4. Troubleshooting First Screen Appearing in Factory Mode • Ex. Sample Model 4-20...
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4. Troubleshooting Slide Details • Sample Model : QA65Q900RBWXXY 9 Testing Items Micom Version T-KTM2AKUC-XXXX.XX Home Updates Exit T-KTM2OCTV-XXXX Sub Micom_TV Option T-KTM2OCJP-XXXX Sub Micom_JP Control Tizen TIZEN-4.0-17-COMMON-KantM2-RELEASE_XXXXXXXX.X BT Version Debug BT VERSION : **** E-Manual E-MANUAL : **** Blaster Version Blaster Version : **** E-Pop Version E-POP Version : ****...
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4. Troubleshooting SVC £ Test Patterns Main Board KANT-M2s Scaler Pattern / US Post Pattern FRC Pre Test Pattern FRC Post Test Pattern T-CON SoC TCON Test Pattern [Factory Mode] 1. Verify "Scaler Pattern" and "US Post Pattern". Scaler Pattern 2.
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4. Troubleshooting SVC £ Info £ ER Count • WD Count: Watch Dog (Hardware related issue). • AR Count: Auto Reset (software (i.e. Apps) related. 9 important Error Count Status Screen. • Verify each item listed. 4-23...
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4. Troubleshooting Factory Mode £ Control £ EDID 1. Remove ALL HDMI connections. 2. Factory Mode → Control → EDID. (→ Enter Key) Option EDID Control Sub Option Debug Hotel Option Shop Option ADC/WB Asia Option Advanced Sound 3. Select EDID/OFF to ON. (→ Right Arrow Key) EDID ON/OFF 4.
4. Troubleshooting 4-11. Factory Mode Adjustments 4-11-1. Entering Factory Mode 1. To enter [Service Mode] press the remote-control keys in this sequence : With Consumer Remote (IR Remote) Remote Button : NTSC POWER OFF MUTE POWER ON POWER OFF INFO MENU MUTE POWER ON...
4. Troubleshooting 4-11-2. Detail Factory Option NOTE If you replace the main board with new one, please change the factory option as well. The options you must change are "Type". Model Name QN85Q900 QN75Q900 GQ65Q900 Side Version Type 85L1ME9TN 75A1ME9TN 65A1ME9TN Local set EU_GER...
4. Troubleshooting 4-11-3. Factory Data Option Factory Menu Name Data Range Factory Reset Type 85L1ME9TN Local set SW Model QRQ900 BOM Model 90RA TUNER D_T2C Ch table NONE MRT Option Engineer Option Control Factory Menu Name Data Range EDID EDID ON/OFF EDID WRITE ALL...
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4. Troubleshooting Factory Menu Name Data Range FAnet Thread CI CPLD Version ACM_MC UNIQUE TRIPLET T-CON Device LUXE-T SPI Protection FKP Server Type Default Preloading Support Multitasking Support Browser preloading Support FULL EXT IR Boot Support APP BOOTING SUPPORT Cloudscan Always Upload STB Power Sync Support OOM Panic Burst Interval OOM Panic Burst Number...
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4. Troubleshooting Factory Menu Name Data Range AF Level adjust TX Power Level Mono Last Memory H Shaking SOUND • High Devi If the broadcast signal is not good, TV will complement the characteristics of the signal (most use when weak signal comes from the growing area countries) •...
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4. Troubleshooting Debug Factory Menu Name Data Range Spread Spectrum MAIN DDR SSC ON OFF MAIN DDR SSC Value MAIN Vx1 SSC ON/OFF MAIN Vx1 SSC Value TCON-B DDR SSC ON/OFF TCON-B DDR SSC Period TCON-B DDR SSC Modulation MAIN USIT SSC ON/OFF BYPASS MAIN USIT SSC MF...
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4. Troubleshooting Factory Menu Name Data Range Voice Debug Power Management Cert Option Waiting RM_BIST_DTV RM_BIST_ATV RM_BIST_CABLE Stress Mode Log Analyzer Error Popup On/Off DeadLock KILL CES Option CES Convergence Option CES ATSC 3_0 CES OOBE MVPD SUPPORT BT DUT BT EU DUT BT Throughput Failure...
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4. Troubleshooting Factory Menu Name Data Range OPTION_HDMI HOT PLUG DURATION 800ms HDMI FLT CNT SIG HDMI FLT CNT LOS HDMI MUTE TIME HDMI NFST UNMUTE TIME 600ms HdmiRx EQ HDMI TMDS ERR DET Auto EQ sweep READY VMD OPT HdmiRx PLL_BW DVB CI TS Clock delay TC...
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4. Troubleshooting Factory Menu Name Data Range Function Upgrade FRC3D FW UPGRADE FRC3D SRP UPGRADE FRC3D LD UPGRADE FRC2 3D FW UPGRADE • Camera Upgade Upgarde Camera module(There is upgrade program in Main-Image) • Mic Upgrade Upgarde MIC in Camera module(There is upgrade program in Main-Image) Jump UPGRADE IR Blaster Upgrade Pic Data USB Update...
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4. Troubleshooting Factory Menu Name Data Range ADC Result 1st_Y_GH 1st_Y_GL 1st_Cb_BH 1st_Cb_BL 1st_Cr_RH 1st_Cr_RL 2nd_R_L 2nd_G_L 2nd_B_L 2nd_R_H 2nd_G_H 2nd_B_H White Balance R-Offset G-Offset B-Offset R-Gain G-Gain B-Gain WB-W2_R_Offset WB_W2_B_Offset WB_W2_R_Gain WB_W2_B_Gain WB_N_R_Offset WB_N_B_Offset WB_N_R_Gain WB_N_B_Gain MGA On/Off R1_Gain G1_Gain B1_Gain R2_Gain...
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4. Troubleshooting Factory Menu Name Data Range G6_Gain B6_Gain R7_Gain G7_Gain B7_Gain R8_Gain G8_Gain B8_Gain R9_Gain G9_Gain B9_Gain R10_Gain G10_Gain B10_Gain SPI White Balance SPI White Balance On/Off SPI R-Offset SPI G-Offset SPI B-Offset SPI R-Gain SPI G-Gain SPI B-Gain SPI N Rgain SPI N Bgain SPI N Roffset...
4. Troubleshooting 4-12. RS-232C • RS232C Control Port : COM#(Serial) Baud rate : 9600 Data Bit : 8 bit Parity : None Stop Bits : 1 Flow Control : None • Description of RS232C Pin# Name Full Name Pin# Name Full Name Pin# Name Full Name...
4. Troubleshooting 4-13. AV Control Tabe Control Item Cmd1 Cmd2 Cmd3 Value General Power Power 0x00 0x00 0x00 0x00 0x01 0x02 Volume Direct 0x01 0x00 0x00 (0~100) 0x01 0x00 Down 0x02 0x00 Mute 0x02 0x00 0x00 0x00 Direct 0x04 Continuous 0x03 0x00 0x01...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE BackLight(CellLight) 0~20 0x01 0x00 (0~20) Contrast 0~100 0x02 0x00 (0~100) Brightness 0~100 0x03 0x00 (0~100) Sharpness 0~100 0x04 0x00 (0~100) Color 0~10 0x05 0x00 (0~100) Tint 0x06 0x00 (0~100) Advanced Settings Black Tone 0x07 0x00...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Cyan 0x04 Magenta 0x05 Color Space Custom 0~100 0x13 0~100 Color Red Value Color Space Custom 0~100 0x14 0~100 Color Green Value Color Space Custom 0~100 0x15 0~100 Color Blue Value Reset 0x16 0x00...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Film Mode 0x05 0x00 Auto1 0x01 Auto2 0x02 Cinema Smooth 0x03 Auto Motion Plus 0x06 0x00 Clear 0x01 Standard 0x02 Smooth 0x03 Custom 0x04 Blur Reduction 0x07 value Judder Reduction 0x08 value LED Clear Motion 0x09...
£ £ £ After downloading the update file from the Samsung website and storing it on a USB device, connect the USB device to the TV to update. • To update using a USB flash drive, download the update package from Samsung.com to your computer. Then, save the update package in the USB device's top-level folder.