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9. Troubleshooting

9. Troubleshooting

2

S ymptom

Caus e

Check Point

S ET is  not working.

Res et Line problem

Res et Line

(MICOM#79,MPEG#252)

UIC1 MICOM
#79 RESET

SYSTEM RESET

MIC4 MPEG
#252 RESET

RESET Insecure : It should be 3V after power ON

MICOM PART

MPEG PART

JIC1 MICOM
#32 RESET

JACK PCB

MAIN PCB

Содержание HT-TXQ120

Страница 1: ...1 Home Theater System HT TXQ120 Samsung Home Theater Samsung Home Theater Samsung Electronics Co LTD Digital AV Division Project Tarzan Project Grade 3 ...

Страница 2: ... Description of theSET 3 How to Disassemble M ain Set 4 How to DisassembleSub Woofer 5 Special Feature 6 PCB Block Description TroubleShooting 7 M ECHA DECK Disassemble 8 M icom M PEG update Initialization method 9 HT TX Q120 BLOCK DIAGRAM Schematic Diagram 10 Accessories ...

Страница 3: ... US A Can t play VCD Disc 1disc loading top loading S lot In Mecha FM Radio RDS for Europe Preset VIDEO Progressive S can 480P 720P 1080i 1080P IN OUT US B host mp3 WMA WMV JPG MPG DIVX Play back wireless ready S WA 3000 Wireless Module is an option AUX 1EA Audio L R Optical Input 2EA VIDEO Output Composit 1EA Component Output HDMI in 1EA OUT 1EA Up to 1080P SPEAKE R 2 way Multi S peaker Wall moun...

Страница 4: ...wer Button 4 Display LED 7 STOP 10 VOLUME 13 OPTICAL IN 1 16 USB Connection 2 Slot In 5 FUNCTION 8 PLAY PAUSE 11 SYSTEM CABLE 14 HDMI OUT 17 Head Phone Out 3 Eject 6 B SKIP 9 F SKIP 12 OPTICAL IN 2 15 HDMI IN 1 6 5 3 2 4 11 10 7 8 9 12 13 14 15 16 17 FRONT BACK FRONT ...

Страница 5: ...tton 8 Play Pause button Disc Play and Pause Button 9 S KIP button FF Forward S kip Button Disc Play 10 Volume Volume control button 0 50 11 S ystem Cable Main S et S ub Woofer S et Power Video Audio data communication line 12 Optical input 2 Optical Digital audio in 2 13 Optical input 1 Optical Digital audio in 1 14 HDMI OUTPUT HDMI OUTPUT Connect HDMI Connector of TV 15 HDMI INPUT HDMI INPUT Con...

Страница 6: ...Woofer 2 Description Of the Sub Woofer 1 STANDBY LED 4 SPAKER OUT 7 COMPONENT OUT 10 W ireless TX Card Slot 2 POW ER ON LED 5 FAN 8 COMPOSIT OUT 11 SYSTEM CABLE 3 ASC MIC IN 6 TUNER ANT 9 AUX IN 1 5 4 3 2 10 9 6 7 8 11 FRONT BACK ...

Страница 7: ...R Jack 5 Chanel Front L R Center Rear L R S peaker Wire Connection 5 FAN To Control set temperature Fan is operating 6 FM ANT Jack FM ANT INPUT JACK 8 COMPONENT JACK Component Y Pb Pr Output Jack 9 Composit Jack Composit Video Output Jack 10 Aux Input AUX L R Input 11 Wireless TX Card In S WA 3000 Wireless Module TX card slot 12 S ystem Cable S ystem Cable Connection Function Description ...

Страница 8: ...25A AH39 00923A AH42 00018A AH68 01959A AH59 01183D 3301 000144 AH39 00725C AH39 00725B AUX VIDEO Cable ASC MIC AH59 01643Z XAA AH59 01662B EXP AH59 01662C EUR AH59 01662V CIS FERRITE CORE USER MANUAL HDMI CABLE OPTICAL CABLE FM ANTENA Remote Controller ...

Страница 9: ...9 3 How to disassemble the MAIN set 3 How to disassemble the MAIN set ...

Страница 10: ... set 1 Unfasten 12 screws on side of Back Cover 2 Lift the Back Cover 3 Unfasten 4 screws and lift up the cover 4 Unfasten the System Cable Connector UDIN1 UDIN2 1 Disassemble the Back Cover SYSTEM CABLE CAUTION The System Cable Check The position of the Ferrite Core ...

Страница 11: ...e Cables Flat W ire Cables Push the hook 4 places and lift up the Main PCB Unfasten 4 Screw 2 MAIN PCB Disassemble Unfasten the 4 Screw and lift up the DVD MECHA 4 DVD MECHA Disassemble 3 LED PCB Disassemble Push the HOOK 2 places and Lift up the pcb HOOK HOOK 5 DECO LED Disassemble ...

Страница 12: ...12 4 How to disassemble the Sub Woofer 4 How to disassemble the Sub Woofer ...

Страница 13: ...w to disassemble the Sub Woofer 1 Unfasten 4 Screws of the bottom 밑 면 1 Dissemble the Assemble 2 Unfasten Screw 7 places of the assembly 3 Pull the Assy 10 Cm and disconnect two cables Caut i on The Connector shod be placed in the rectangle hole ...

Страница 14: ...sten Assy s Screw 3 places And Lift Up the Cover 3 Disassemble PCB 1 Unfasten Screw 4 places of the AMP PCB and Cables 2 Lift up the AMP PCB FAN Connector Power Connector AMP Flat Cable 4 How to disassemble the Sub Woofer 4 How to disassemble the Sub Woofer ...

Страница 15: ...laces and other cables AMP Flat Cable POWER Connector 3 Unfasten System Cable Screw 2 places with driver 4 Unfasten screw 1 place of the Jack Power Cable Connector 5 Detatche Power Cable 6 Unfasten Screw 5 places LEDConnector 4 How to disassemble the Sub Woofer 4 How to disassemble the Sub Woofer ...

Страница 16: ...16 5 Special Feature World First 1080P HTiB 5 Special Feature World First 1080P HTiB SD HD HDM I High Definition Multimedia Interface World First 1080 P Support HTiB Up Scailling 480P 720P 1080i 1080P ...

Страница 17: ...sion HDMI OUTPUT High Definition DIGITAL Picture HDMI INPUT FOR DIGITAL CONNECTION with another Product Digital Signal Processing Bluray Disc Player DVD Player Game Console Input Output Digital to Analog Converter 5 Special Feature 5 Special Feature HDMI IN OUT HDMI IN OUT ...

Страница 18: ...18 5 BLOCK DIAGRAM 5 Special Feature WIRELESS READY Block Diagram 5 Special Feature WIRELESS READY Block Diagram ...

Страница 19: ...eless ready module 8 Wireless ready port Standby Time Line SWA3000 Communication Error DATA CLK PORT Power on FINT ID SET DATA CL K 5 Special Feature Wireless Ready Check 5 Special Feature Wireless Ready Check ...

Страница 20: ...20 Micom MPEG 6 MAIN PCB Block 6 MAIN PCB Block OPTICAL HDMI USB ASC JACK WM 8746 MICOM OPTION POWER SAA7128 USB PART 1 M AIN TOP 2 M AIN BOTTOM HDMI ...

Страница 21: ...A CONTROL LINE SP SL UCON4 4P Key PCB Front Button Power etc Input RFCN4 5P MECHA DVD MECHA CONTROL LINE OPEN CLOSE UCON6 6P Update Port To Update the Micom For Flash Type Micom Only UCON3 4P Deco Ring LED PCB Front Round Deco Ring BLUE LED UCON1 13P LED Display LED Power LED Control UDIN2 16P SYSTEM CABLE ANALOG AUDIO VIDEO Data UDIN1 13P SYSTEM CABLE MICOM TX RX POWER UCON3 UDIN2 UDIN1 RFCN4 RFC...

Страница 22: ...22 DSP 6 JACK PCB Block 6 JACK PCB Block WIRELESS SLOT VIDEO AUDIO JACK MICOM MICOM UPDATE WM8775 SYSTEM JACK ...

Страница 23: ...PIN CON ASS Y FUNCTION JCON21 3P Sub Woofer LED SUB WOOFER STANDBY POWER LED JCON4 32P AMP PCB 12V 12V AMP SIGNAL PWM JCON1 13P TUNER TUNER SIG CONTROL SIG JCON6 14P SMPS POWER From SMPS JCON7 6P UPDATE ANALOG AUDIO VIDEO Data JCON1 JCON4 JCON21 JCON6 JCON7 ...

Страница 24: ...24 6 Block Diagram Amp Block 6 Block Diagram Amp Block PS9829B ...

Страница 25: ...25 6 AMP PCB 6 AMP PCB PWM MODULATOR LOW PASS FILTER POWER STAGE TAS5152 FAN CIRCUIT SPEAKER JACK PCB CONNECTOR ...

Страница 26: ...26 6 AMP Modulator PS9829B 6 AMP Modulator PS9829B FRONT REAR L SUBWOOFER LR CLOCK MICOM CONTROL REAR FRONT R CENTER DATA IN ...

Страница 27: ...r Stage TAS5152 6 AMP Power Stage TAS5152 2 TAS5152 3 pin Protection Auto Shut Down open or short 1 OTW During active mode If internal temperature of the IC is over heated 150 OTW is working and auto shut downed 2 1 ...

Страница 28: ...over current at the AMP IC Speaker Wire Short 2 If temperature of the Amp Ic is over 150 3 There is no power input at GATE DRIVER HT XQ120 SMPS Location PIN NO Protection NOTE OPEN SHORT CN3 16V 1 3 X X 5 6V 7 X X 3 3V 11 X X 5V 13 X O CN2 PVDD about 34V 1 4 X X 12V 9 X X 12V 11 O O ...

Страница 29: ...heck the pcb without disassemble the set Caution Do not connect t he power cor d dur i ng bel l ow t es t GND 5 1CH SPEAKER OUT FRONT R FRONT L CENTER REAR R REAR L SET Measurement Resistance using Tester Approximately CH HT TXQ120 F R CH 20kΩ CENTER 20kΩ SUBWOOFER If Measured Resistance is very different from above numbers There is a Problem AMP PCB Problem ...

Страница 30: ...detail HDMI 6 Block Diagram in detail HDMI S CALER FLI2301 S DRAM W983264DH HDMI Tx S IL9030 13 5MHz ENCODER S AA7128AH Component HDMI Out Analog Output Composite RGB HDMI In HDMI Rx S IL9011 M P E G R Pr G Y B Pb COMPOS ITE ...

Страница 31: ...I2301 Video Encoder SAA7128 Digital Output Analog Output MPEG Cont r ol MPEG HDMI Tx SiI9030 HDMI Rx SiI9011 Micom GENESIS FLI2301 Video Encoder SAA7128 Digital Output Analog Output A V Signal I2C Control Digital Input 2 HDMI Recei ver MPEG Cont r ol 6 HDMI IN OUT Block 6 HDMI IN OUT Block ...

Страница 32: ...32 6 MAIN PCB HDMI 6 MAIN PCB HDMI VIDEO IC FLI2301 Display Driver IC HDMI TX Sil9030 HDMI Transmitter IC HDMI RX Sil9011 HDMI Receiver IC ...

Страница 33: ...33 6 Checking out AMP PCB 6 Checking out AMP PCB 1 PCB ASS Y 2 HEAT SINK 3 PCB Short Unfasten 7 Screws Separate HeatSINK CHECK Power IC TAS5152 C H E C K ...

Страница 34: ...rt Check flow 1 Check par t s s hor t I C 1 Check par t s s hor t I C dam age pat t er n dam age dam age pat t er n dam age 2 Check connect or s 2 Check connect or s 3 Shor t t es t of t he Connect or s 3 Shor t t es t of t he Connect or s 2 1 3 ...

Страница 35: ...35 6 SMPS Check Flow 6 SMPS Check Flow 1 Check FUSE VARISTOR 2 Check the AC Input Cord 3 Check cables 4 Check short or open 2 1 4 3 2th 1th ...

Страница 36: ...36 7 Deck Assy AH59 01769A 7 Deck Assy AH59 01769A ...

Страница 37: ...37 2 Separate Pick Up Cable from the Holder 1 To Protect PICK UP Before detach Flat Cable that point should be shorted 7 Mecha Disassemble MECHA DECK 7 Mecha Disassemble MECHA DECK ...

Страница 38: ...38 4 Unfasten 4 Screws saparate Traverse Deck 3 Unfasten 2 Screws lift up Holder Cable 7 Mecha Disassemble MECHA DECK 7 Mecha Disassemble MECHA DECK 2 개 소 ...

Страница 39: ...39 Traverse Deck Rubber Deck Holder Cable 7 Mecha Disassemble MECHA DECK 7 Mecha Disassemble MECHA DECK ...

Страница 40: ...Version Check 1 Play Disc or USB 2 Eject Open Disc Push the Remote Controller MENU button 3 Push the number 8 9 5 in order and push Enter button 4 Check the display or OSD DVD flash initialize Update method 1 Prepare HEX file at DISC or USB Memory 2 Insert Disc or USB Memory and play Updating will be displayed Set will be power off on 3 The disc is automatically ejected If you use USB memory detac...

Страница 41: ...41 9 Troubleshooting 9 Troubleshooting 1 Main ...

Страница 42: ...42 9 Troubleshooting 9 Troubleshooting 2 Output ...

Страница 43: ...43 9 Troubleshooting 9 Troubleshooting 3 Circuit Board Layout and Functions ...

Страница 44: ...44 9 Troubleshooting 9 Troubleshooting ...

Страница 45: ...45 9 Troubleshooting 9 Troubleshooting 4 Troubleshooting when Protection is activated ...

Страница 46: ...46 9 Troubleshooting 9 Troubleshooting ...

Страница 47: ...47 9 Troubleshooting 9 Troubleshooting 5 Troubleshooting HDMI ...

Страница 48: ...48 9 Troubleshooting 9 Troubleshooting 6 Troubleshooting Main Set and Sub Woofer ...

Страница 49: ...n Cause Check Point MAIN Working No S ound MICOM MICOM Communication Line open or short 1 S ET Reset MICOM Initialization Update Page 2 Check Bellow Points TXD 75 RXD 76 MAIN PCB JACK PCB TX RX TXD 75 RXD 76 Pin 12 13 Pin 7 8 7 Communication Failure ...

Страница 50: ...tom Cause Check Point S ET is not working Reset Line problem Reset Line MICOM 79 MPEG 252 UIC1 MICOM 79 RESET SYSTEM RESET MIC4 MPEG 252 RESET RESET Insecure It should be 3V after power ON MICOM PART MPEG PART JIC1 MICOM 32 RESET JACK PCB MAIN PCB ...

Страница 51: ...51 9 Troubleshooting 9 Troubleshooting 8 Troubleshooting when a Fan Error Occurs ...

Страница 52: ...10 HT TXQ120 Block Schematic Diagram MAIN MICOM MAIN MPEG MAIN RF MAIN HDMI MAIN VIDEO DAC Schematic AMP AMP SUB FRONT JACK DSP JACK ADC JACK MICOM DISPLAY LED MAIN SET SUB WOOFER SET CLICK each of the PDF document BLOCK DIAGRAM BLOCK Diagram ...

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