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Samsung HT-C550 Service Manual
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Samsung HT-C550 Service Manual

Samsung HT-C550 Service Manual

5.1ch digital home theater system
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SERVICE
5.1CH Blu-ray Home Theater System
HT-C550
Refer to the service manual in the GSPN (see the rear cover) for the more information.
5.1CH Digital
Home Theater System
Model Name : HT-C550
Model Code : HT-C550/XAX
Speaker
PS-C550
Front
PS-FC550
Center
PS-CC550
Rear
PS-RC550
Subwoofer
PS-WC550
Manual
1. Precaution
2. Product Specification
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. PCB Diagram
7. Schematic Diagram
CONTENTS

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Summary of Contents for Samsung HT-C550

  • Page 1 5.1CH Digital Home Theater System Model Name : HT-C550 Model Code : HT-C550/XAX Speaker PS-C550 Front PS-FC550 Center PS-CC550 Rear PS-RC550 Subwoofer PS-WC550 SERVICE Manual 5.1CH Blu-ray Home Theater System CONTENTS 1. Precaution 2. Product Specification 3. Disassembly & Reassembly 4.
  • Page 2 Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com © Samsung Electronics Co.,Ltd. Apr. 2010 This Service Manual is a property of Samsung Electronics Printed in Korea Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.

  • Page 3: Table Of Contents

    Contents 1. Precaution 1-1 Safety Precautions ................... 1-1 1-2 Servicing Precautions ..................1-3 1-3 Precautions for Electrostatically Sensitive Devices (ESDs) ......1-4 2. Product Specification 2-1 Product Feature ....................2-1 2-2 Specifications ....................2-2 2-3 Specifications Analysis ..................2-4 2-4 Accessories ......................2-7 3. Disassembly & Reassembly 3-1 Overall Disassembly &...
  • Page 4 Contents 7. Schematic Diagram 7-1 Overall Block Diagram ..................7-1 7-2 FRONT ......................7-2 7-3 TOUCH KEY ....................7-3 7-4 MAIN ........................7-4 7-5 MPEG.......................7-5 7-6 MICOM ......................7-6 7-7 AV I/O .......................7-7 7-8 AMP .........................7-8 7-9 Audio AMP-1 ....................7-9 7-10 Audio AMP-2 ....................7-10 7-11 Audio AMP-3 ....................
  • Page 5 IC chips on the PCB are vulnerable to static electricity. - In order to assemble reverse the order of disassembly. Description Description Photo 1) Side 2 points and rear 3 point screws uncrew. 1) Screws 3point and wire seperation. Samsung Electronics...
  • Page 6 Disassembly & Reassembly Description Description Photo 1) Pull out the wire from cabinet-front and main. 1) Pull out the cabinet-front. 1) Pull out the wire between PCB. Samsung Electronics...
  • Page 7 Disassembly & Reassembly Description Description Photo 1) Uncrew the screws on the PCB. 2) Uncrew the screws on the SMPS PCB. 1) Uncrew the rear screws. ONLY DUAL SMPS 1) Disassemble complete. Samsung Electronics...
  • Page 8 MEMO Samsung Electronics...
  • Page 9 5-1 Product Exploded View W391 T001 W391 M0081 M0014 M0081 D001A W391 W390 HDM01 P001A W391 F001A W391 MF01A F001 HH02 CBR01 MK01A W391 FD04 HDP01 CB22 AL210 AD502 HH01 FD12 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 10 M0081 6003-001375 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(WHT),SW MF01A AH94-02471E ASSY PCB FRONT;HT-C550,FRONT K-OK ASSY MK01A AH94-02520A ASSY PCB KEY;HT-C550/C650 P001A AH94-02518A ASSY PCB SMPS;HT-C650W/C550,BRAZIL T001 AH63-02059A COVER-TOP;HT-C350,SECC,0.6,500,500,BLACK W390 6003-000276 SCREW-TAPTYPE;BH,+,-,B,M3,L10,ZPC(WHT),S W391 6003-000275 SCREW-TAPTYPE;BH,+,B,M3,L10,ZPC(BLK),SWR Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 11 Front Speaker (R) AH81-05955A PS-C550,PS-FRCC550,PS-CC550,C1,CENTER SPK Center Speaker AH81-05957A PS-C550,PS-FRCC550,PS-RC550,S2,REAR-LEFT SPK Rear Speaker (L) AH81-05959A PS-C550,PS-FRCC550,PS-RC550,S2,REAR-RIGHT SPK Rear Speaker (R) Subwoofer AH81-05963A PS-C553,SUBWOOFER SPEAKER,XAC Speaker Wire AH81-02177B PS-Q20,SPK CORD, CONNECTOR,FRONT/SUB W/F:4M This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 12 HDP01 AH61-03034A HOLDER-PCB HT-C350,ABS,5,100,100,BLACK HH01 AH61-03022A HOLDER-DOOR DN HT-C5500,PC,2.5,130,10,BL HH02 AH61-03021A HOLDER-DOOR UP HT-C5500,PC,2.5,130,10,BL W391 6003-000275 SCREW-TAPTYPE BH,+,B,M3,L10,ZPC(BLK),SWR AH63-01917B SHEET-TAPE HT-C350,3M,0.1,5,2 AH63-01917C SHEET-TAPE-FUNCTION HT-C550,3-M,0.1,15,1 AH90-00100X ASSY COVER FRONT HT-TZ34,NOEUR,ASSY Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 13 AH61-03038A HOLDER-MECHA.REA HT-C350,ABS,10,20,10,BL CBR01 AH63-02058X COVER-BOTTOM-REAR HT-C650W,EGI-SECC,0.6, T001 AH63-02059A COVER-TOP HT-C350,SECC,0.6,500,500,BLACK AH69-02892B PAD-THEAMAL HT-C550,OTHER,2,10,9,THEAMAL W275 6003-001561 SCREW-TAPTYPE BH,+,-,B,M3,L6,ZPC(WHT),SW AH92-03278F ASSY LABEL HT-C550,XAZ SNA L-RAT AH68-01929B LABEL RATING ALL,XTL,ART PAPER,W38,L48 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 14 330ohm,5%,1/10W,TP,1608 AR174 2007-000129 R-CHIP 27Kohm,5%,1/10W,TP,1608 AR30 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 AR30 2007-001306 R-CHIP 150ohm,5%,1/16W,TP,1005 AR42 2007-000939 R-CHIP 47Kohm,1%,1/10W,TP,1608 AR43 2007-000155 R-CHIP 27Kohm,5%,1/16W,TP,1005 AR49 2007-000140 R-CHIP 1Kohm,5%,1/16W,TP,1005 AR61 2007-000869 R-CHIP 4.7Kohm,1%,1/10W,TP,1608 Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 15 DU501 1203-001824 IC-VOL. DETECTOR 7042,SOT-89,3P,PLASTIC, EC28 AH69-02892A PAD-THEAMAI HT-C350,OTHER,3,10,30 ER19 2007-002899 R-CHIP 10ohm,1%,1/10W,TP,1608 FAR22 2007-000082 R-CHIP 3.3Kohm,5%,1/10W,TP,1608 0601-001226 SMD(TOP VIEW),RED,1.2x0.8mm,660nm,1. 8 FR18 2007-000982 R-CHIP 5.6Kohm,5%,1/16W,TP,1005 HDC24 2402-000008 C-AL,SMD 47uF,20%,16V,GP,TP,6.6x6.6x5.4 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 16 P001A AH94-02518A ASSY PCB SMPS HT-C650W/C550,BRAZIL P803T 1404-001483 THERMISTOR-PTC 470ohm,50%,32V,TP PC69 2203-006818 C-CER,CHIP 47000nF,20%,6.3V,X5R,3216 PCW2 3711-003359 HEADER-BOARD TO CABLE BOX,10P,1R,2.5mm,S PCW3 3711-006142 HEADER-BOARD TO CABLE BOX,15P,1R,2mm,STR 2703-003408 INDUCTOR-SMD 10uH,20%,7070 Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 17 KIA7805AF,DPAK,3P,6.6 T0087 1203-003695 IC-POSI.FIXED REG. NCP1117ST33T3G,SOT-22 T0087 1203-003695 IC-POSI.FIXED REG. NCP1117ST33T3G,SOT-22 T0122 2802-001165 RESONATOR-CERAMIC 4MHz,0.5%,TP,4.5x2.0x1 T0415 3716-001243 TERMINAL-BLOCK WIRE TYPE,12P,14mm,0V,0A T0568 3301-001404 BEAD-SMD 30ohm,2012,TP,15.9OHM/30MHz U1502 1203-001212 IC-VOL. DETECTOR 7029,SOT-89,3P,-,PLASTI This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 18 1.5Kohm,1%,1/16W,TP,1005 2007-007671 R-CHIP 11Kohm,1%,1/16W,TP,1005 2007-007723 R-CHIP 75Kohm,1%,1/10W,TP,1608 2301-001760 C-FILM,MPEF 100nF,10%,250V,TP,B5xH13.5x1 2402-001166 C-AL,SMD 22UF,20%,50V,GP,TP,6.3MMX5.4MM 2402-001185 C-AL,SMD 2.2UF,20%,50V,WT,TP,4.3X4.3X6MM 3709-001592 CONNECTOR-CARD EDGE 22P,1.27mm,ANGLE,SN, AH27-00078A COIL FILTER 1016P-01-220L,22uH,0.1,18.5, AH41-01320E PCB MAIN HT-C550,FR-4,2,0,1.6,168X247,1 Samsung Electronics This Document can not be used without Samsung’s authorization. 5-10...
  • Page 19 Qty. SNA Remark AH62-00062R HEAT SINK-MEPG HT-C550,AL,2.8,50,35,--,- AH97-05210A ASSY AUTO-MAIN ASSY HT-C550,MAIN_LAM_AUT AH97-05211A ASSY SMD-MAIN ASSY HT-C550,MAIN_LAM_SMD, AH97-05307D ASSY MICOM-IC MICOM HTD-C550WWM-1003.2,2 AH97-05310C ASSY MICOM-NOR-FLASH HTD-C550WWB-1006.2, BN68-02775A LABEL-SMD ALL MODELS,8.5,21,COMMON 5-11 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 20 #1 pin start 5)CN2: 9P position DIP CON 2) CN9 : 32P FFC DIP STR DECK 150MM FRONT PCB 1) FCON1 : 32P FFC DIP STR 3)U1:7P SMD STR => TO MAIN 60MM 4)CN1:7P SMD TOUCH PANEL CONN STR Samsung Electronics...
  • Page 21 PCB Diagram 6-2 FRONT PCB Top FCON1 UIC2 KIC2 Samsung Electronics...
  • Page 22 TO TOUCH KEY (ST) Pin No. Signal Pin No. Signal Pin No. Signal VP30V DGND VFD_N27V ST5V VFD_N27V TEST OPSW VFD_CLK CLSW VFD_DO REMC VFD_CE VFD_GND AUX_SENS MIC_SENS DGND AGND KEY_SCL KEY_SDA MIC_MUTE KET_INT BUZZER N_RESET MIC_SIG AUX_L MIC_SIG AUX_R AGND Samsung Electronics...
  • Page 23 PCB Diagram 6-3 FRONT PCB Bottom Samsung Electronics...
  • Page 24 PCB Diagram 6-4 KEY PCB Top Samsung Electronics...
  • Page 25 PCB Diagram 6-5 KEY PCB Bottom Samsung Electronics...
  • Page 26 PCB Diagram 6-5-1 Pin Connection 2 CN1 FROM FRONT (ST) Pin No. Signal ST5V N_RESET TEST KEY_INT KEY_SCL KEY_SDA DGND Samsung Electronics...
  • Page 27 PCB Diagram 6-6 MAIN PCB Top IC11 IC36 IC10 IC21 AIC4 AIC19 IC15 Samsung Electronics...
  • Page 28 FOCUS_N OUTSW VFD_CE 16V~32V TRACK_N MGND VFD_GND TRACK_P DCLOAD_P 16V~32V AUX_SENS FOCUS_P DCLOAD_N 16V~32V MIC_SENS DGND AGND KEY_SCL 5.4V KEY_SDA MIC_MUTE 5.4V KET_INT BUZZER 5.4V N_RESET MIC_SIG AUX_L MIC_SIG RF5.0V AUX_R AGND MVREF DGND DVDVR DVDLDO PUHRF RF5.0V Samsung Electronics...
  • Page 29 PCB Diagram 6-6-2 Test Point Wave Form 6-10 Samsung Electronics...
  • Page 30 PCB Diagram 6-7 MAIN PCB Bottom IC20 IC35 AIC16 IC16 Samsung Electronics 6-11...
  • Page 31 PCB Diagram 6-8 SMPS PCB Top CON1 6-12 Samsung Electronics...
  • Page 32 PCB Diagram 6-9 SMPS PCB Bottom CON2 CON3 Samsung Electronics 6-13...
  • Page 33 MEMO 6-14 Samsung Electronics...

  • Page 34: Precaution

    1 and 5.2 megohms. If there is no return path, the measured resistance should be “infinite.” If the resistance is outside these limits, a shock hazard might exist. See Fig. 1-2 Samsung Electronics...
  • Page 35 . Use replacement components that have the same ratings, especially for flame resistance and dielectric strength specifications. A replacement part that does not have the same safety characteristics as the original might create shock, fire or other hazards. Samsung Electronics...

  • Page 36: Servicing Precautions

    8. Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrument’s ground lead last. First read the “Safety Precautions” section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precautions. Samsung Electronics...

  • Page 37: Precautions For Electrostatically Sensitive Devices (Esds)

    8. Minimize body motions when handling unpackaged replacement ESDs. Motions such as brushing clothes together, or lifting a foot from a carpeted floor can generate enough static electricity to damage an ESD. Samsung Electronics...

  • Page 38: Product Specification

    - Easy Connectivity - Walkman, ipod, MD etc. DRM Free - Connect with any kinds of Portable Audio device - Stereo Input in Front - Made for iPod - Easy connection w/ ipod - Improvement : video & iPhone support Samsung Electronics...

  • Page 39: Specifications

    576i / 480i Composite Video 1 channel: 1.0 Vp-p (75Ω load) 576i / 480i VIDEO OUTPUT Y: 1.0 Vp-p (75Ω load) Component Video Pr: 0.70 Vp-p (75Ω load) Pb: 0.70 Vp-p (75Ω load) VIDEO/ HDMI 1080p, 1080i, 720p, 480p AUDIO Samsung Electronics...
  • Page 40 334W Front / Rear : 3.54 x 5.57 x 2.7 inches Dimensions (W x H x D) Center: 14.17 x 2.93 x 2.7 inches Subwoofer: 6.1 x 13.78 x 11.22 inches Front / Surround: 1.28 Ibs Weights Center: 1.26 Ibs Subwoofer: 8.38 Ibs Samsung Electronics...

  • Page 41: Specifications Analysis

    Product Specification 2-3 Specifications Analysis Model Name HT-C550 HT-Z320 Photo RMS (10% THD), REF: 1ch 1000W 1000W Front: 166W x 2 (3Ω) Front: 166W x 2 (3Ω) Output Center: 166W (3Ω) Center: 166W (3Ω) Power Output Power (ch) Rear: 166W x 2 (3Ω) Rear: 166W x 2 (3Ω) Subwoofer: 170W (3Ω)
  • Page 42 Product Specification Model Name HT-C550 HT-Z320 Photo Sound Mode EQ/DSP 3Mode / 5Mode 3Mode / 5Mode Sound effect MP3ENHANCE/P.BASS Dolby Digital Dolby ProLogic-II Dolby ProLogic-IIX Audio Decoding Dolby Digital EX DTS ES Discrete 6.1 DTS 96/24 DTS Neo 6 Component Composite Video Inputs S-Video HDMI In Component Composite Video Outputs HDMI Out S-Video SCART Out O (only Europe) O (only Europe)
  • Page 43 Product Specification Model Name HT-C550 HT-Z320 Photo O (only Europe) O (only Europe) Tuner O (Brazil only) Preset Memory Universal (MBR) Remote Key 49 Key 60 Key Dual Voltage O (Brazil only) Type (Sat/Tallboy) Sat / Tall Sat / Tall Stand Speaker Impedance (Sat/Woofer) 3Ω/ 3Ω 3Ω/ 3Ω...

  • Page 44: Accessories

    Product Specification 2-4 Accessories 2-4-1 Supplied Accessories Accessories Item Item code Remark Remote Control AH59-02294A Battery 4301-000116 ASC Microphone AH30-00099A Vidio Cable AH39-40001V Local Samsung Dealer FM Antenna AH42-00021A User’s Manual AH68-02269L Samsung Electronics...
  • Page 45 MEMO Samsung Electronics...
  • Page 46 M80F0316 LC87C5N LC87C5N D+/D- D+/D- IRS2053 IRS2053 IRS2053 EEPROM EEPROM IRF6645 IRF6645 IRF6645 24C08 24C08 WIRELESS WIRELESS NTS1124N NTS1124N IRS2053 IRS2053 IRS2053 IRF6645 IRF6645 IRF6645 Touch key Touch key Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 47 Schematic Diagram 7-2 FRONT POWER AUDIO This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 48 Schematic Diagram 7-3 TOUCH KEY POWER Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 49 Schematic Diagram 7-4 MAIN POWER AUDIO This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 50 Schematic Diagram 7-5 MPEG POWER AUDIO Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 51 Schematic Diagram 7-6 MICOM POWER AUDIO This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 52 Schematic Diagram 7-7 AV I/O POWER AUDIO Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 53 AR20 100OHM PWM1_R PWM_C_P 1/16W AR21 100OHM PWM1_L PWM_SW_P 1/16W AR22 100OHM PWM2_R PWM_RL_P 1/16W AR23 100OHM PWM2_L PWM_RR_P 1/16W AR24 100OHM PWM3_R PWM_FL_P 1/16W AR25 100OHM PWM3_L PWM_FR_P This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 54 Schematic Diagram 7-9 Audio AMP-1 POWER AUDIO Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 55 Schematic Diagram 7-10 Audio AMP-2 POWER AUDIO 7-10 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 56 Schematic Diagram 7-11 Audio AMP-3 POWER AUDIO Samsung Electronics This Document can not be used without Samsung’s authorization. 7-11...
  • Page 57 Schematic Diagram 7-12 SMPS 7-12 This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 58: Troubleshooting

    Troubleshooting 4. Troubleshooting 4-1 Checkpoints by Error Mode 4-1-1 Main Power No power detected (Stand by LED off) FR1 is OK? Change fuse Change SMPS. ICFB5401 Pin 1 is 2.5V CON3 Pin 12, 13, 14 is 5.4V? Check Main PCB Check Main PCB Samsung Electronics...
  • Page 59 (1.7v offset) (pin 83, 84, 85, 88, 89, 90 between IC10 and AIC4 and of IC10 ES8398) AIC19  Refer to wave pattern image of Fig. 4-4. Check MPEG DAC Power. Check DAC3.3V of IC10 Replace IC10. (pin 86) Check Power Lines. (Check IC36). Samsung Electronics...
  • Page 60 1/16W AR20 100OHM PWM_C_P 1/16W  AMP, page 7-8 AR21 100OHM PWM_SW_P 1/16W AR22 100OHM PWM_RL_P 1/16W AR23 100OHM PWM_RR_P 1/16W AR24 100OHM PWM_FL_P 1/16W AR25 100OHM PWM_FR_P  MAIN PCB Top, page 6-8 <Fig. 4-1> Samsung Electronics AIC4 AIC19...
  • Page 61 Troubleshooting IC11  AUDIO AMP-2, page 7-10 AIC4 AIC19  MAIN PCB Top, page 6-8 <Fig. 4-2> Samsung Electronics...
  • Page 62 Troubleshooting  AUDIO AMP-3, page 7-11 AIC19  MAIN PCB Top, page 6-8 <Fig. 4-3> Samsung Electronics...
  • Page 63 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-4> Samsung Electronics...
  • Page 64 IC23 to IC36. of IC36 THS7374 10 of IC36. Replace the IC36. Check JACK Output Check the JA1 connectivity Check if composite video output is and replace. measured at the JA1.  Refer to wave pattern image of Fig. 4-6. Samsung Electronics...
  • Page 65 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-5> Samsung Electronics...
  • Page 66 Troubleshooting  AV I/O, page 7-7 IC11 IC36  MAIN PCB Top, page 6-8 <Fig. 4-6> Samsung Electronics IC10...
  • Page 67 10 of IC36. IC36 THS7374.  Refer to wave pattern image of Fig. 4-9 and Fig. 4-10. Replace the IC36. Check JACK Output Check if component Check the JA1 connectivity video output is measured at and replace. the JA1. 4-10 Samsung Electronics...
  • Page 68 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-7> Samsung Electronics 4-11...
  • Page 69 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-8> 4-12 Samsung Electronics...
  • Page 70 Troubleshooting  AV I/O, page 7-7 IC11 IC36  MAIN PCB Top, page 6-8 <Fig. 4-9> Samsung Electronics 4-13...
  • Page 71 Troubleshooting  AV I/O, page 7-7 IC11 IC36  MAIN PCB Top, page 6-8 <Fig. 4-10> 4-14 Samsung Electronics...
  • Page 72 Check MPEG Ouput. Check if 480p output Replace MPEG IC Is ok. Check PLL3.3V lines and Check Voltage pin110 VDD1.2V lines and R150, pin of IC10 R151, R152 value. (1.5V~1.8V) Please, Call to Samsung Replace MPEG IC A/S Center. Samsung Electronics 4-15...
  • Page 73 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-11> 4-16 Samsung Electronics...
  • Page 74 C450 1.8Ω 1.8Ω 1.8Ω F/R CH 1.8Ω 1.8Ω 1.8Ω CENTER 1.8ΩΩ 1.8Ω 1.8Ω SUBWOOFER <Table 4-1> If Measured Resistance is very different from above numbers. There is a Problem. → AMP PCB Problem 5.1CH SPEAKER OUTPUT FRONT R CENTER FRONT L REAR R SUBWOOFER REAR L Samsung Electronics 4-17...

  • Page 75: Micom, Mpeg Initialization & Update

    2. Play the USB, then “updating” will appear on the screen, then Power will go out after showing ‘complete’ on the screen. 3. Press “Power” key and Press ‘Stop’ button of the remote control more than 5 seconds in No Disc. <Fig. 4-12 Connecting USB> <Fig. 4-13 TV Display (On Updating)> <Fig. 4-14 Update Start> 4-18 Samsung Electronics...
  • Page 76 2. Press “Enter” and move Support. 3. Press “Enter”. 4. Check product information: “SW ver” on TV Display and “Micom SW Ver” on Front ASS’y VFD. <Fig. 4-15 Connecting USB> <Fig. 4-16 TV Display (On Updating)> <Fig. 4-17 Update Start> Samsung Electronics 4-19...
  • Page 77 3. Then DISC-TRAY will open, then remove the DISC or USB, making the Unit as ‘NO DISC’ state. 4. Press ‘STOP’ button of Main Unit for more than 5 seconds, Display Indicator shows ‘INITIALIZE’ then Power goes out. <Fig. 4-18 Connecting USB> <Fig. 4-19 TV Display (On Updating)> <Fig. 4-20 Update Start> 4-20 Samsung Electronics...

  • Page 78: Buyer-Region Code Setting Method

    2. Press the "TUNER MEMORY" button on the remote control during 4~5 seconds. 3. After step (2), you can see “TEST” on the VFD. TEST 4. When you see “TEST” on VFD, Insert number “4”, “6” to start Region Code setting mode. Samsung Electronics 4-21...
  • Page 79 Troubleshooting 5. After step (4), you can see “− −” on the VFD. Insert the Region Code (Below table) corresponding model with − − “0 ~ 9” buttons on the remote control.  Option Table HT-C550 HT-C650 HT-C450 Area Remark Region Code Region Code Region Code Africa / Pakistan Brazil C460 - 90...
  • Page 80 In this case, you have to change System Micom, and set up the Buyer Region code again. In case of EEPROM, you don't need to care about it. After set-up the Region code, System Micom will store the information of the region code to EEPROM automatically. Samsung Electronics 4-23...

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Ht-c550/xax

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