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Samsung HT-DB120 Service Manual
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Samsung HT-DB120 Service Manual

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SERVICE
DVD RECEIVER AMP SYSTEM
DVD RECEIVER AMP
HT-DB120
Manual
1. Alignment and Adjustments
2. Exploded Views and Parts List
3. Electrical Parts List
4. Block Diagrams
5. PCB Diagrams
6. Wiring Diagram
7. Schematic Diagrams
8. IC block Diagrams
9. Troubleshooting
CONTENTS
- Confidential -

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Summary of Contents for Samsung HT-DB120

  • Page 1 DVD RECEIVER AMP HT-DB120 SERVICE Manual DVD RECEIVER AMP SYSTEM CONTENTS 1. Alignment and Adjustments 2. Exploded Views and Parts List 3. Electrical Parts List 4. Block Diagrams 5. PCB Diagrams 6. Wiring Diagram 7. Schematic Diagrams 8. IC block Diagrams 9.
  • Page 2 ELECTRONICS © Samsung Electronics Co.,Ltd. JULY. 2003 Printed in Korea Code no. AH68-01322P...
  • Page 3 8. IC Block Diagrams 8-1 Main 8-1-1. FAN8082D Samsung Electronics...
  • Page 4 8-1-2. LC87F66C8A Samsung Electronics...
  • Page 5 Samsung Electronics...
  • Page 6 Samsung Electronics...
  • Page 7 Samsung Electronics...
  • Page 8 8-1-3. M62446AFP Samsung Electronics...
  • Page 9 Samsung Electronics...
  • Page 10 8-1-4. M66010FP 8-1-5. SI-8050SE 8-1-6. SI-8090JFE Samsung Electronics...
  • Page 11 8-1-7. STAC9460-DS Samsung Electronics...
  • Page 12 8-1-8. TDA7440D Samsung Electronics 8-10...
  • Page 13 8-1-9. 74VHC157 8-1-10. AIC1117A 8-11 Samsung Electronics...
  • Page 14 8-1-11. M21L216128A Samsung Electronics 8-12...
  • Page 15 8-1-12. STAC9460 8-13 Samsung Electronics...
  • Page 16 8-2 DVD MPEG 8-2-1. ESS6028FW Samsung Electronics 8-14...
  • Page 17 8-15 Samsung Electronics...
  • Page 18 Samsung Electronics 8-16...
  • Page 19 8-17 Samsung Electronics...
  • Page 20 Samsung Electronics 8-18...
  • Page 21 8-2-2. 74HCT245 8-19 Samsung Electronics...
  • Page 22 8-2-3. BA7665FS 8-2-4. CS8415 Samsung Electronics 8-20...
  • Page 23 8-2-5. ESMT_M12L64164A 8-21 Samsung Electronics...
  • Page 24 8-2-6. M29W160E 8-2-7. S524C20D21_20D41 Samsung Electronics 8-22...
  • Page 25 8-2-8. STM_74LCX157 8-2-9. STM_74LCX244 8-23 Samsung Electronics...
  • Page 26 8-2-10. STM_74LCX374 Samsung Electronics 8-24...
  • Page 27 8-3 DVD SERVO 8-3-1. M11B416256A 8-25 Samsung Electronics...
  • Page 28 8-3-2. M5705 8-3-3. W29EE512F1 Samsung Electronics 8-26...
  • Page 29 8-4 MICOM PORT ASSIGNMENT 8-27 Samsung Electronics...
  • Page 30 * PORT EXPANDER Samsung Electronics 8-28...
  • Page 31 Output(Fig1-4) SSG FREQ. 450 kHz AM IF Frequency 522 kHz AM ANT OUTPUT Adjustment AM IF point AM SSG Speaker Terminal 450KHZ Maximum output (Figure 1-3) OUTPUT INPUT VTVM Oscilloscope Figure1-3 AM I.F Adjustment Fig 1-4 OSC Voltage Samsung Electronics...
  • Page 32 9. TroubleShooting 9-1 Main Samsung Electronics...
  • Page 33 Samsung Electronics...
  • Page 34 Samsung Electronics...
  • Page 35 Samsung Electronics...
  • Page 36 9-2 DVD Servo parts Samsung Electronics...
  • Page 37 Samsung Electronics...
  • Page 38 Samsung Electronics...
  • Page 39 Samsung Electronics...
  • Page 40 Samsung Electronics...
  • Page 41 Samsung Electronics 9-10...
  • Page 42 9-11 Samsung Electronics...
  • Page 43 9-3 DVD MPEG Parts Samsung Electronics 9-12...
  • Page 44 9-13 Samsung Electronics...
  • Page 45 2.Exploded Views and Parts List 2-1 Total Exploded View Samsung Electronics...
  • Page 46 ASIA AH63-00569B SHEET-SPK FCW PC 0.3T AH63-00569A SHEET-SPK R PC 0.3T AH63-00517A COVER-FAN ABS GRY AH64-02315B CABINET-TOP SECC 0.6T AH63-00632B SHIELD-FRONT,L SPTE 0.5T ELS,USA AH63-00632C SHIELD-FRONT,R SPTE 0.5T ELS,USA AJ60-10001A SCREW TAP WASHER 6.8 M2*5 AH60-00025A SCREW-TAPTITE BH,+,B,M3,L10 Samsung Electronics...
  • Page 47 6003-000152 SCREW-TAP 2*10.12 AH73-00058A RUBBER-CD SILICON 30 0205-001106 GREASE GX-99004 0205-001109 GREASE DM-523 6003-000283 SCREW TAP 3*8 AH02-00038A TAPE 10mm*80mm 3809-001451 CABLE-FLAT 60mm 24P 3302-001505 MAGNET CHUCK 190 gf AH30-00055A PICK-UP 4P.JST AH39-00495A WIRE-HARNESS UL1007,#28,70mm AH39-00496A WIRE-HARNESS UL1007,#28,65mm Samsung Electronics...
  • Page 48 2-3 SPEAKER Exploded View and Parts list 2-3-1 HT-DB120 (EXPORT BASIC) * CAUTION : It is used the bonding, connect NET FRAME(or FRONT PANEL ASS’Y) to CABINET ASS’Y. * SUBWOOFER So when the disassembly, take extreme care not to damage the SPEAKER.
  • Page 49 2-3-2 HT-DB120TH/XAA (SEA) * CAUTION : It is used the bonding, connect NET FRAME(or FRONT PANEL ASS’Y) to CABINET ASS’Y. * SUBWOOFER So when the disassembly, take extreme care not to damage the SPEAKER. * Satellite Speaker Samsung Electronics...
  • Page 50 3. Electrical Parts List Location no. Code no. Description & Specification Remarks Location no. Code no. Description & Specification Remarks DR60 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 DR52 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 HT-DB120 Parts List ATL4 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 ***** ***** ATL3 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 MR18 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608...
  • Page 51 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 SR29 2007-000962 R-CHIP;5.1Kohm,1%,1/10W,TP,1608 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 SR21 2007-000962 R-CHIP;5.1Kohm,1%,1/10W,TP,1608 RC38 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 2007-001010 R-CHIP;51Kohm,5%,1/10W,TP,1608 RC36 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 2007-001042 R-CHIP;56ohm,1%,1/10W,TP,1608 RC35 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 2007-001167 R-CHIP;75ohm,5%,1/10W,TP,1608 RC30 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 2007-001167 R-CHIP;75ohm,5%,1/10W,TP,1608 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 AR15 2007-001167 R-CHIP;75ohm,5%,1/10W,TP,1608 RC29 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 Samsung Electronics...
  • Page 52 A/S PART-SPEAKER WIRE;PSDB300E,-,-,SPEAK 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 AH81-01322A A/S PART-SPK SYSTEM SATELLITE;PS DB120E, 2203-005005 C-CERAMIC,CHIP;100nF,10%,16V,X7R,TP,1608 AH81-01322B A/S PART-BACK CABINET;PS DB120E,HIPS,-,B 2203-005065 C-CERAMIC,CHIP;1000nF,+80-20%,10V,Y5V,TP AH81-01322C A/S PART-SATELLITE WOOFER;PS DB120E,-,-, 2203-005065 C-CERAMIC,CHIP;1000nF,+80-20%,10V,Y5V,TP AH81-01322J A/S PART-EPS CUSHION;PS DB120E,EPS,-,EPS 2203-005065 C-CERAMIC,CHIP;1000nF,+80-20%,10V,Y5V,TP AH81-01322L A/S PART-EPS CUSHION;PS DB120E,EPS,-,EPS Samsung Electronics...
  • Page 53 AH27-10001F COIL-CHOKE;27uH,K,Q30,-,-,DR(6.5*7.5),-, AH81-01323E A/S PART-UNIT WOOFER;PS DB120H,-,-,UNIT AH27-10001F COIL-CHOKE;27uH,K,Q30,-,-,DR(6.5*7.5),-, AH59-01251F SPEAKER SYSTEM;PSWA120E,-,-,-,-,-,-,EDC, AL3W AH27-90001A COIL-SPRING;-,2.2UH,-,-,-,SPRING,-,-,-,- AL3RR AH27-90001A COIL-SPRING;-,2.2UH,-,-,-,SPRING,-,-,-,- AH92-01897C ASSY PCB;HT-DB120(USA),MAIN MANU PCB AS S.N.A AL3RL AH27-90001A COIL-SPRING;-,2.2UH,-,-,-,SPRING,-,-,-,- AL3FR AH27-90001A COIL-SPRING;-,2.2UH,-,-,-,SPRING,-,-,-,- PBD2 0402-001077 DIODE-BRIDGE;KBP202G,200V,2A,SIP-4 AL3FL AH27-90001A COIL-SPRING;-,2.2UH,-,-,-,SPRING,-,-,-,- PBD1 0402-001258 DIODE-BRIDGE;GBU606,600V,6A,SIP-4,BK...
  • Page 54 TR-SMALL SIGNAL;KSC945,NPN,250mW,TO-92,T R79W 2007-000267 R-CHIP;1.8Kohm,5%,1/8W,TP,2012 0501-000610 TR-SMALL SIGNAL;KSA928A-Y,PNP,1W,TO-92L, R79RR 2007-000267 R-CHIP;1.8Kohm,5%,1/8W,TP,2012 Q17W 0501-002184 TR-SMALL SIGNAL;KTD1304,NPN,200mW,SOT-23 R79RL 2007-000267 R-CHIP;1.8Kohm,5%,1/8W,TP,2012 Q17RR 0501-002184 TR-SMALL SIGNAL;KTD1304,NPN,200mW,SOT-23 R79FR 2007-000267 R-CHIP;1.8Kohm,5%,1/8W,TP,2012 Q17RL 0501-002184 TR-SMALL SIGNAL;KTD1304,NPN,200mW,SOT-23 R79FL 2007-000267 R-CHIP;1.8Kohm,5%,1/8W,TP,2012 Q17FR 0501-002184 TR-SMALL SIGNAL;KTD1304,NPN,200mW,SOT-23 R79C 2007-000267 R-CHIP;1.8Kohm,5%,1/8W,TP,2012 Samsung Electronics...
  • Page 55 R-CHIP;22Kohm,5%,1/8W,TP,2012 R87FL 2007-000981 R-CHIP;5.6Kohm,5%,1/8W,TP,2012 2007-000586 R-CHIP;22Kohm,5%,1/8W,TP,2012 R87FR 2007-000981 R-CHIP;5.6Kohm,5%,1/8W,TP,2012 2007-000586 R-CHIP;22Kohm,5%,1/8W,TP,2012 R80C 2007-001039 R-CHIP;56Kohm,5%,1/8W,TP,2012 R33C 2007-000586 R-CHIP;22Kohm,5%,1/8W,TP,2012 R78W 2007-001039 R-CHIP;56Kohm,5%,1/8W,TP,2012 R33FL 2007-000586 R-CHIP;22Kohm,5%,1/8W,TP,2012 R78RR 2007-001039 R-CHIP;56Kohm,5%,1/8W,TP,2012 R36W 2007-000653 R-CHIP;27Kohm,5%,1/8W,TP,2012 R78RL 2007-001039 R-CHIP;56Kohm,5%,1/8W,TP,2012 R33W 2007-000653 R-CHIP;27Kohm,5%,1/8W,TP,2012 R80FL 2007-001039 R-CHIP;56Kohm,5%,1/8W,TP,2012 Samsung Electronics...
  • Page 56 R-CHIP;0.15OHM,5%,1W,DA,TP,6432 AFS3*2 3602-000147 FUSE-CLIP;250V,7.5A,30mohm R97RR 2007-008317 R-CHIP;0.15OHM,5%,1W,DA,TP,6432 AFS2*2 3602-000147 FUSE-CLIP;250V,7.5A,30mohm PC20 2201-000161 C-CERAMIC,DISC;10NF,+80-20%,500V,Y5V,TP, PC19 2201-000161 C-CERAMIC,DISC;10NF,+80-20%,500V,Y5V,TP, AH92-01899A ASSY PCB;HT-DB120,FRONT MANU PCB ASSY S.N.A AC16 2201-000161 C-CERAMIC,DISC;10NF,+80-20%,500V,Y5V,TP, 2409-000123 C-EDL;47000uF,4uA,5.5V,-,BK,-,5mm AC15 2201-000161 C-CERAMIC,DISC;10NF,+80-20%,500V,Y5V,TP, 2802-001174 RESONATOR-CERAMIC;10MHZ,0.5%,BK,8X3.5X3M AC14 2201-000161 C-CERAMIC,DISC;10NF,+80-20%,500V,Y5V,TP, UCW3 3708-000448 CONNECTOR-FPC/FFC/PIC;6P,1.25mm,STRAIGHT CE4RL 2203-000260 C-CERAMIC,CHIP;10nF,10%,50V,X7R,TP,2012...
  • Page 57 2007-000086 R-CHIP;5.6Kohm,5%,1/10W,TP,1608 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST FR23L 2007-000086 R-CHIP;5.6Kohm,5%,1/10W,TP,1608 AH41-00609A PCB-;HT-DB120 FRONT PCB,330*163*1.6 UR505 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 UR506 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 AH92-01904A ASSY PCB;HT-DB120 (EU),DSP MANU PCB ASS S.N.A UR507 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 UR501 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 3708-000266 CONNECTOR-FPC/FFC/PIC;32P,1.25mm,STRAIGH UR500 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 3708-001574 CONNECTOR-FPC/FFC/PIC;24P,1mm,ANGLE,SN FR62R 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608...
  • Page 58 2007-000124 R-CHIP;2.2Kohm,5%,1/10W,TP,1608 FC58 2401-003336 C-AL;4.7UF,20%,50V,GP,TP,5X5,2 FR19R 2007-000124 R-CHIP;2.2Kohm,5%,1/10W,TP,1608 AH41-00610A PCB-;HT-DB120 DSP PCB,330*147*1.6T, 2007-000124 R-CHIP;2.2Kohm,5%,1/10W,TP,1608 SR12 2007-000129 R-CHIP;27Kohm,5%,1/10W,TP,1608 AH92-01923A ASSY PCB;HT-DB120,SCART MANU PCB ASSY S.N.A FR63L 2007-000134 R-CHIP;33Kohm,5%,1/10W,TP,1608 OJK1 0603-001126 OPTIC TRANSMITTER;5V,13.2MB/S,5M,-14.5DB FR63R 2007-000134 R-CHIP;33Kohm,5%,1/10W,TP,1608 3708-001051 CONNECTOR-FPC/FFC/PIC;13P,1.25mm,ANGLE,S FR31 2007-007347 R-CHIP;150OHM,5%,1/2W,DA,TP,5025 JCN1 3708-001760 CONNECTOR-FPC/FFC/PIC;20P,1MM,STRAIGHT,S...
  • Page 59 4. Block Diagram 4-1 MAIN Part Samsung Electronics...
  • Page 60 4-2 DVD Part Samsung Electronics...
  • Page 61 7. Schematic Diagram - This Document can not be used without Samsung’s authorization - 7-1 MAIN Samsung Electronics...
  • Page 62 7-2 FRONT - This Document can not be used without Samsung’s authorization - Samsung Electronics...
  • Page 63 7-3 DSP - This Document can not be used without Samsung’s authorization - Samsung Electronics...
  • Page 64 7-4 JACK (SCART, RCA) - This Document can not be used without Samsung’s authorization - Samsung Electronics...
  • Page 65 7-5 DVD PACK (LOADER Part) - This Document can not be used without Samsung’s authorization - Samsung Electronics...
  • Page 66 7-6 DVD PACK (MPEG DECODER Part) - This Document can not be used without Samsung’s authorization - Samsung Electronics...