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Samsung HT-C553 Service Manual
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Samsung HT-C553 Service Manual

5.1ch digital home theater system
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SERVICE
5.1CH Blu-ray Home Theater System
HT-C553
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-C553
Model Code : HT-C553/NWT
Speaker
PS-C553
Front
PS-FC553
Center
PS-CC553
Rear
PS-RC553
Subwoofer
PS-WC553
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-C553

  • Page 1 5.1CH Digital Home Theater System Model Name : HT-C553 Model Code : HT-C553/NWT Speaker PS-C553 Front PS-FC553 Center PS-CC553 Rear PS-RC553 Subwoofer PS-WC553 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 Exploded View & Part List 5. Exploded View & Part List 5-1 Product Exploded View W391 T001 W391 M0081 M0014 M0081 D001A W391 W390 HDM01 P001A W391 W391 MF01A CBR01 MK01A W391 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 AH94-02517A ASSY PCB SMPS;HT-C650W/C550,EUR/ASIS 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 SCREW,5*15BA,BK,TALLBOY AH81-05991A SCREW,4*15BA,BK,TALLBOY Rear Speaker (R) AH81-05824A REAR_RIGHT SPEAKER,PS-C553 Rear Speaker (L) AH81-05825A REAR_LEFT SPEAKER,PS-C553 Center Speaker AH81-05826A CENTER SPEAKER,PS-C553 Subwoofer AH81-05827A PS-C553,SUBWOOFER SPEAKER,XAC Speaker Wire AH81-02177B PS-Q20,SPK CORDCONNECTOR,FRONT/SUB This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 12 C-CER,CHIP 22nF,10%,50V,X7R,1608 2402-001260 C-AL,SMD 100uF,20%,10V,WT,REEL,6.3X5.7 C125 2203-006361 C-CER,CHIP 10000nF,10%,10V,X5R,TP,2012 C134 2203-000257 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 C258 2203-000236 C-CER,CHIP 0.1nF,5%,50V,C0G,1608 C745 2203-005171 C-CER,CHIP 1000nF,10%,16V,X7R,2012 CEC02 2402-001178 C-AL,SMD 10uF,20%,16V,WT,TP,4.3x4.3x5.8m CER04 2007-000084 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 13 AAR11 2007-000312 R-CHIP 10ohm,5%,1/4W,TP,3216 AC109 2203-000783 C-CER,CHIP 0.33nF,5%,50V,C0G,1608 AC139 2203-000491 C-CER,CHIP 2.2nF,10%,50V,X7R,1608 2203-002711 C-CER,CHIP 100nF,10%,25V,X7R,1608 2203-002711 C-CER,CHIP 100nF,10%,25V,X7R,1608 AC28 2203-001607 C-CER,CHIP 0.22nF,5%,50V,NP0,1608 AC510 3708-001939 CONNECTOR-FPC/FFC/PIC 32P,1mm,STRAIGHT,S 2402-001049 C-AL,SMD 10uF,20%,16V,GP,TP,3.3x3.3x5.4 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 14 2203-006158 C-CER,CHIP 100nF,10%,16V,X7R,1005 C125 2203-006361 C-CER,CHIP 10000nF,10%,10V,X5R,TP,2012 C134 2203-000257 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 C212 2203-000440 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-005565 C-CER,CHIP 1nF,5%,50V,NP0,TP,1608 C258 2203-000236 C-CER,CHIP 0.1nF,5%,50V,C0G,1608 2203-000384 C-CER,CHIP 0.015nF,5%,50V,C0G,1608 C745 2203-005171 C-CER,CHIP 1000nF,10%,16V,X7R,2012 Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 15 J1002 3722-002027 JACK-PIN 6P/6C,SN,YEL/GN/WH/BL/RD,ANGLE KAC5 2203-001126 C-CER,CHIP 0.68nF,10%,50V,X7R,1608 KAR11 2007-000124 R-CHIP 2.2Kohm,5%,1/10W,TP,1608 KAR21 2007-000070 R-CHIP 0ohm,5%,1/10W,TP,1608 KAR7 2007-000120 R-CHIP 680ohm,5%,1/10W,TP,1608 KAR9 2007-000093 R-CHIP 20Kohm,5%,1/10W,TP,1608 KOP1 1201-000163 IC-OP AMP 4560,SOP,8P,173MIL,DUAL,100V/m This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 16 TR-SMALL SIGNAL KST92,PNP,350mW,SOT-23,T 0501-000632 TR-SMALL SIGNAL 2SB1197K,PNP,200mW,SOT-2 Q409 0505-001170 FET-SILICON FDS9933A,P,-20V,3.8A,0.075oh Q409 0505-002365 FET-SILICON IRF6645,N,100V,5.7A,0.035ohm Q806 0504-000152 TR-DIGITAL KSR2101,PNP,200mW,4.7K/4.7Koh 2007-002425 R-CHIP 1ohm,5%,1/10W,TP,1608 R102 2007-000149 R-CHIP 12Kohm,5%,1/16W,TP,1005 R104 2007-000148 R-CHIP 10Kohm,5%,1/16W,TP,1005 Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 17 IC-FLASH MEMORY MX25L1605DM2I-12G,16Mbit ZRN10 2011-001261 R-NETWORK 33ohm,5%,1/16W,L,CHIP,8P,TP,2. 0403-001052 DIODE-ZENER RD8.2MB,7.7-8.7V,200mW,SOT-2 0403-001441 DIODE-ZENER MMSZ5239B,5%,500MW,SOD-123,T 0403-001483 DIODE-ZENER UDZS18B,17.56-18.35V,200mW,S 0406-001128 DIODE-TVS MLVS-0603-E08,50V 0501-000150 TR-SMALL SIGNAL 2SA1037,PNP,200mW,SOT-23 0504-000105 TR-DIGITAL DTA114EU,PNP,200MW,10K/10K,SC 0504-000105 TR-DIGITAL DTA114EU,PNP,200MW,10K/10K,SC This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 18 C-CER,CHIP 1nF,5%,50V,C0G,2012 AD480 2203-001386 C-CER,CHIP 100nF,10%,100V,X7R,TP,3216,3. AD480 2203-002180 C-CER,CHIP 1000nF,10%,50V,X7R,3216 AD480 2203-006698 C-CER,CHIP 1000nF,10%,25V,X7R,1608 AE40 2401-001363 C-AL 470uF,20%,16V,GP,TP,10x12.5,5 AH020 AH62-00201E HEAT SINK HT-Z320,AL,40,20,40 AH020 AH62-00201G HEAT SINK HT-C550,AL,35,16,anodizin(blac Samsung Electronics This Document can not be used without Samsung’s authorization. 5-10...
  • Page 19 DIODE-BRIDGE TS6P05G,600V,6A,SIP-4,ST PCD02 2201-000963 C-CERAMIC,DISC 1NF,20%,400V,Y5U,TP,9.5X6 PCNS2 3711-000203 HEADER-BOARD TO CABLE 1WALL,2P/3P,1R,7.9 PDS11 0402-000012 DIODE-RECTIFIER UF4007,1000V,1A,DO-41,TP PICS1 0604-001028 PHOTO-COUPLER TR,50-600%,250mW,DIP-4,ST PICS2 AC14-12006D KA431Z,TO-92,TAPING PLS31 AC27-12001N COIL CHOKE RA,K-30,Q80,150KHZ,150KHZ 5-11 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 20 C-CERAMIC,DISC 10NF,+80-20%,1KV,Y5V,TP,2 2201-002213 C-CERAMIC,DISC 0.47nF,10%,400V,Y5P,8.0X6 2301-001220 C-FILM,LEAD-PPF 100nF,10%,275V,BK,18x6x1 2301-002000 C-FILM,LEAD 1nF,10%,300V,BK,12.5x4x10mm 2401-000556 C-AL 1uF,20%,100V,GP,TP,5*11,5mm 2401-003849 C-AL 1500UF,20%,16V,WT,TP,10X20,5 2401-004681 C-AL 330uF,20%,450V,BK,30x35,10mm 3601-001491 FUSE-RADIAL LEAD 250V,6.3A,TIME DELAY,RE 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H Samsung Electronics This Document can not be used without Samsung’s authorization. 5-12...
  • Page 21 AH69-02997A CUSHION-SET ht-c453,ht-c455,25,110,400,1 BN81-01918A RESIN EPS,SG-302,-,-,-,-,-,- 0.087 SNA AH92-03278K ASSY LABEL HT-C550 SNA CCM1 AH68-01929G LABEL RATING HT-A100,XTL,SILVER PET,48,3 AH68-02277Z LABEL-POP STAND HT-C550/XER,SER,ART PAPE AH92-03538P ASSY BOX HT-C550 5-13 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 22 #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 23 PCB Diagram 6-2 FRONT PCB Top FCON1 UIC2 KIC2 Samsung Electronics...
  • Page 24 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 25 PCB Diagram 6-3 FRONT PCB Bottom Samsung Electronics...
  • Page 26 PCB Diagram 6-4 KEY PCB Top Samsung Electronics...
  • Page 27 PCB Diagram 6-5 KEY PCB Bottom Samsung Electronics...
  • Page 28 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 29 PCB Diagram 6-6 MAIN PCB Top IC11 IC36 IC10 IC21 AIC4 AIC19 IC15 Samsung Electronics...
  • Page 30 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 31 PCB Diagram 6-6-2 Test Point Wave Form 6-10 Samsung Electronics...
  • Page 32 PCB Diagram 6-7 MAIN PCB Bottom IC20 IC35 AIC16 IC16 Samsung Electronics 6-11...
  • Page 33 PCB Diagram 6-8 SMPS PCB Top CON1 6-12 Samsung Electronics...
  • Page 34 PCB Diagram 6-9 SMPS PCB Bottom CON2 CON3 Samsung Electronics 6-13...
  • Page 35 MEMO 6-14 Samsung Electronics...

  • Page 36: 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 37 . 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 38: 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 39: 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 40: 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 41: Specifications

    Maximum Play Time: 20 min. 480i Composite Video 1 channel: 1.0 Vp-p (75Ω load) 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 42 Front: 3.54 x 51.18 x 4.49 inches 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: 6.11 Ibs, Center: 1.2 Ibs Weights Rear: 1.28 Ibs, Subwoofer: 8.38 Ibs Samsung Electronics...

  • Page 43: Specifications Analysis

    Product Specification 2-3 Specifications Analysis Model Name HT-C553 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 44 Product Specification Model Name HT-C553 HT-Z320 Photo Sound Mode EQ/DSP 3Mode / 5Mode 3Mode / 5Mode Sound effect MP3ENHANCE/P.BASS  Dolby Digital   Dolby ProLogic-II   Dolby ProLogic-IIX   Dolby Digital EX Audio Decoding 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...
  • Page 45 Product Specification HT-C553 HT-Z320 Model Name Photo O (only Europe) O (only Europe) Tuner O (Brazil only) Preset Memory Universal (MBR) Remote Key 49 Key 60 Key O (Brazil only) Dual Voltage Sat / Tall Type (Sat/Tallboy) Stand Speaker 3Ω/ 3Ω 3Ω/ 3Ω Impedance (Sat/Woofer) Active (Powered) S/W 5.5 Ibs 7.7 Ibs...

  • Page 46: Accessories

    Product Specification 2-4 Accessories 2-4-1 Supplied Accessories Accessories Item Item code Remark Remote Control AH59-02293A Battery 4301-000116 ASC Microphone AH30-00099A Vidio Cable AH39-40001V Local Samsung Dealer FM Antenna AH42-00021A User’s Manual AH68-02289X Samsung Electronics...
  • Page 47 MEMO Samsung Electronics...
  • Page 48 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 49 Schematic Diagram 7-2 FRONT POWER AUDIO This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 50 Schematic Diagram 7-3 TOUCH KEY POWER Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 51 Schematic Diagram 7-4 MAIN POWER AUDIO This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 52 Schematic Diagram 7-5 MPEG POWER AUDIO Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 53 Schematic Diagram 7-6 MICOM POWER AUDIO This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 54 Schematic Diagram 7-7 AV I/O POWER AUDIO Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 55 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 56 Schematic Diagram 7-9 Audio AMP-1 POWER AUDIO Samsung Electronics This Document can not be used without Samsung’s authorization.
  • Page 57 Schematic Diagram 7-10 Audio AMP-2 POWER AUDIO 7-10 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 58 Schematic Diagram 7-11 Audio AMP-3 POWER AUDIO Samsung Electronics This Document can not be used without Samsung’s authorization. 7-11...
  • Page 59 Schematic Diagram 7-12 SMPS 7-12 This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 60: 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 61 (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 62 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 63 Troubleshooting IC11  AUDIO AMP-2, page 7-10 AIC4 AIC19  MAIN PCB Top, page 6-8 <Fig. 4-2> Samsung Electronics...
  • Page 64 Troubleshooting  AUDIO AMP-3, page 7-11 AIC19  MAIN PCB Top, page 6-8 <Fig. 4-3> Samsung Electronics...
  • Page 65 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-4> Samsung Electronics...
  • Page 66 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 67 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-5> Samsung Electronics...
  • Page 68 Troubleshooting  AV I/O, page 7-7 IC11 IC36  MAIN PCB Top, page 6-8 <Fig. 4-6> Samsung Electronics IC10...
  • Page 69 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 70 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-7> Samsung Electronics 4-11...
  • Page 71 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-8> 4-12 Samsung Electronics...
  • Page 72 Troubleshooting  AV I/O, page 7-7 IC11 IC36  MAIN PCB Top, page 6-8 <Fig. 4-9> Samsung Electronics 4-13...
  • Page 73 Troubleshooting  AV I/O, page 7-7 IC11 IC36  MAIN PCB Top, page 6-8 <Fig. 4-10> 4-14 Samsung Electronics...
  • Page 74 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 75 Troubleshooting IC11 IC36  MPEG, page 7-5 IC10 AIC4  MAIN PCB Top, page 6-8 <Fig. 4-11> 4-16 Samsung Electronics...
  • Page 76 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 77: 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 78 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 79 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 80: 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 81 C460 - 90 Canada China (semi_mic) Europe Indonesia / Hongkong Japan Korea Latin American Mexico Philippines Russia (full_mic) Russia (semi_mic) South Africa Taiwan C460 - 91 Newzealand England Australia Iran (HACO) India Israel Middle Asia Asia Singapore <Table 4-2> 4-22 Samsung Electronics...
  • Page 82 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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