Samsung HT-DB120 Service Manual Download Page 21 | Manualshive

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Samsung Electronics

8-19

8-2-2. 74HCT245

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Summary of Contents for HT-DB120

Page 1: ...l 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 Troubleshooting Confidential ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd JULY 2003 Printed in Korea Code no AH68 01322P ...

Page 3: ...Samsung Electronics 8 1 8 IC Block Diagrams 8 1 Main 8 1 1 FAN8082D ...

Page 4: ...8 2 Samsung Electronics 8 1 2 LC87F66C8A ...

Page 5: ...Samsung Electronics 8 3 ...

Page 6: ...8 4 Samsung Electronics ...

Page 7: ...Samsung Electronics 8 5 ...

Page 8: ...8 6 Samsung Electronics 8 1 3 M62446AFP ...

Page 9: ...Samsung Electronics 8 7 ...

Page 10: ...8 8 Samsung Electronics 8 1 6 SI 8090JFE 8 1 5 SI 8050SE 8 1 4 M66010FP ...

Page 11: ...Samsung Electronics 8 9 8 1 7 STAC9460 DS ...

Page 12: ...8 10 Samsung Electronics 8 1 8 TDA7440D ...

Page 13: ...Samsung Electronics 8 11 8 1 9 74VHC157 8 1 10 AIC1117A ...

Page 14: ...8 12 Samsung Electronics 8 1 11 M21L216128A ...

Page 15: ...Samsung Electronics 8 13 8 1 12 STAC9460 ...

Page 16: ...8 14 Samsung Electronics 8 2 DVD MPEG 8 2 1 ESS6028FW ...

Page 17: ...Samsung Electronics 8 15 ...

Page 18: ...8 16 Samsung Electronics ...

Page 19: ...Samsung Electronics 8 17 ...

Page 20: ...8 18 Samsung Electronics ...

Page 21: ...Samsung Electronics 8 19 8 2 2 74HCT245 ...

Page 22: ...8 20 Samsung Electronics 8 2 3 BA7665FS 8 2 4 CS8415 ...

Page 23: ...Samsung Electronics 8 21 8 2 5 ESMT_M12L64164A ...

Page 24: ...8 22 Samsung Electronics 8 2 6 M29W160E 8 2 7 S524C20D21_20D41 ...

Page 25: ...Samsung Electronics 8 23 8 2 9 STM_74LCX244 8 2 8 STM_74LCX157 ...

Page 26: ...8 24 Samsung Electronics 8 2 10 STM_74LCX374 ...

Page 27: ...Samsung Electronics 8 25 8 3 DVD SERVO 8 3 1 M11B416256A ...

Page 28: ...8 26 Samsung Electronics 8 3 2 M5705 8 3 3 W29EE512F1 ...

Page 29: ...Samsung Electronics 8 27 8 4 MICOM PORT ASSIGNMENT ...

Page 30: ...8 28 Samsung Electronics PORT EXPANDER ...

Page 31: ...FM S S G GND 28 dB FM S S G Output GND Speaker Terminal FM Antenna Terminal Distortion Meter Input SET Input output Oscilloscope FM IN FM Antenna SET 10 kΩ OUTPUT AM SSG 450KHZ INPUT AM ANT IN Speaker Terminal 60cm AM IF VTVM Oscilloscope AM MW I F Adjustment Maximum output Figure 1 3 SSG FREQ Frequency Adjustment point 450 kHz 522 kHz AM IF Figure1 3 AM I F Adjustment OUTPUT Adjustment Location o...

Page 32: ...Samsung Electronics 9 1 9 TroubleShooting 9 1 Main ...

Page 33: ...9 2 Samsung Electronics ...

Page 34: ...Samsung Electronics 9 3 ...

Page 35: ...9 4 Samsung Electronics ...

Page 36: ...Samsung Electronics 9 5 9 2 DVD Servo parts ...

Page 37: ...9 6 Samsung Electronics ...

Page 38: ...Samsung Electronics 9 7 ...

Page 39: ...9 8 Samsung Electronics ...

Page 40: ...Samsung Electronics 9 9 ...

Page 41: ...9 10 Samsung Electronics ...

Page 42: ...Samsung Electronics 9 11 ...

Page 43: ...9 12 Samsung Electronics 9 3 DVD MPEG Parts ...

Page 44: ...Samsung Electronics 9 13 ...

Page 45: ...Samsung Electronics 2 1 2 Exploded Views and Parts List 2 1 Total Exploded View ...

Page 46: ... AL EXTR 1 19 AH62 00096A HEAT SINK S AL EXTR 2 20 AH62 00097A HEAT SINK L AL EXTR 1 21 AH62 00062C HEAT SINK TR AL EXTR 25mm 2 22 AH61 00855A HOLDER IC PBT 1 23 AH61 00779A HOLDER IC PBT 5 24 AH64 02577C CABINET REAR SECC 0 8T 1 ELS AH64 02577D CABINET REAR SECC 0 8T 1 USA AH64 02577E CABINET REAR SECC 0 8T 1 ASIA 25 AH63 00569B SHEET SPK FCW PC 0 3T 1 26 AH63 00569A SHEET SPK R PC 0 3T 1 27 AH63...

Page 47: ...1296A HOLDER BRACKET SECC t0 8 11 AH31 00030B MOTOR DC RF 300E 1D390 12 AH41 00560A PCB SWITCH 43 5 32 5 13 AH66 00219A BELT PULLEY CR 1 2 14 3409 001119 SWITCH DETECTOR JDS2200 15 AH59 01184A DVD DECK ASSY CMS S51PG4 16 6001 001257 SCREW MACHINE 1 7 3 W4 5 17 AJ60 10001A SCREW TAP WASHER 6 8 18 6003 000152 SCREW TAP 2 10 12 19 AH73 00058A RUBBER CD SILICON 30 20 0205 001106 GREASE GX 99004 21 020...

Page 48: ...xploded View and Parts list CAUTION It is used the bonding connect NET FRAME or FRONT PANEL ASS Y to CABINET ASS Y So when the disassembly take extreme care not to damage the SPEAKER Satellite Speaker SUBWOOFER 2 3 1 HT DB120 EXPORT BASIC ...

Page 49: ...nics 2 5 CAUTION It is used the bonding connect NET FRAME or FRONT PANEL ASS Y to CABINET ASS Y So when the disassembly take extreme care not to damage the SPEAKER Satellite Speaker SUBWOOFER 2 3 2 HT DB120TH XAA SEA ...

Page 50: ...07 000070 R CHIP 0ohm 5 1 10W TP 1608 DR60 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 DR52 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 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 R47 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 R112 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 MR32 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 MR3...

Page 51: ...4 2011 000585 R NETWORK 47OHM 5 1 16W L CHIP 8P TP RN5 2011 000651 R NETWORK 10OHM 5 1 16W L CHIP 8P TP 32 RN6 2011 000651 R NETWORK 10OHM 5 1 16W L CHIP 8P TP 32 RN7 2011 000651 R NETWORK 10OHM 5 1 16W L CHIP 8P TP 32 RN4 2011 000651 R NETWORK 10OHM 5 1 16W L CHIP 8P TP 32 RN1 2011 000651 R NETWORK 10OHM 5 1 16W L CHIP 8P TP 32 RN2 2011 000651 R NETWORK 10OHM 5 1 16W L CHIP 8P TP 32 RN3 2011 0006...

Page 52: ...F 10 16V X7R TP 1608 C78 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 MC6 2203 005065 C CERAMIC CHIP 1000nF 80 20 10V Y5V TP C48 2203 005065 C CERAMIC CHIP 1000nF 80 20 10V Y5V TP C43 2203 005065 C CERAMIC CHIP 1000nF 80 20 10V Y5V TP C90 2402 000009 C AL SMD 47uF 20 6 3V GP TP 5 3x5 3x5 C88 2402 000009 C AL SMD 47uF 20 6 3V GP TP 5 3x5 3x5 C73 2402 000009 C AL SMD 47uF 20 6 3V GP TP 5 3x5 ...

Page 53: ...R 4P 6 3MM 60V 7A AUX1 3722 002042 JACK PIN 2P 2C NI WHT RED ANGLE AC27 12001N COIL CHOKE 10UH 15 RA K 30 Q80 150KHZ PT1 AH26 00143C TRANS POWER HT DL100 6 276V 24V 9V 0 AL2 AH27 10001F COIL CHOKE 27uH K Q30 DR 6 5 7 5 AL1 AH27 10001F COIL CHOKE 27uH K Q30 DR 6 5 7 5 AL3W AH27 90001A COIL SPRING 2 2UH SPRING AL3RR AH27 90001A COIL SPRING 2 2UH SPRING AL3RL AH27 90001A COIL SPRING 2 2UH SPRING AL3F...

Page 54: ...5 NPN 250mW TO 92 T Q19RL 0501 000398 TR SMALL SIGNAL KSC945 NPN 250mW TO 92 T Q6 0501 000610 TR SMALL SIGNAL KSA928A Y PNP 1W TO 92L Q17W 0501 002184 TR SMALL SIGNAL KTD1304 NPN 200mW SOT 23 Q17RR 0501 002184 TR SMALL SIGNAL KTD1304 NPN 200mW SOT 23 Q17RL 0501 002184 TR SMALL SIGNAL KTD1304 NPN 200mW SOT 23 Q17FR 0501 002184 TR SMALL SIGNAL KTD1304 NPN 200mW SOT 23 Q17FL 0501 002184 TR SMALL SIGN...

Page 55: ... 5 1 8W TP 2012 PR7 2007 000653 R CHIP 27Kohm 5 1 8W TP 2012 R82RR 2007 000686 R CHIP 3 3Kohm 5 1 8W TP 2012 R82W 2007 000686 R CHIP 3 3Kohm 5 1 8W TP 2012 R83C 2007 000686 R CHIP 3 3Kohm 5 1 8W TP 2012 R83FL 2007 000686 R CHIP 3 3Kohm 5 1 8W TP 2012 R83FR 2007 000686 R CHIP 3 3Kohm 5 1 8W TP 2012 R83RL 2007 000686 R CHIP 3 3Kohm 5 1 8W TP 2012 R83RR 2007 000686 R CHIP 3 3Kohm 5 1 8W TP 2012 R82RL...

Page 56: ...m 5mm C43RR 2401 000907 C AL 22uF 20 16V GP TP 5x11mm 5mm C43RL 2401 000907 C AL 22uF 20 16V GP TP 5x11mm 5mm C43FR 2401 000907 C AL 22uF 20 16V GP TP 5x11mm 5mm C43FL 2401 000907 C AL 22uF 20 16V GP TP 5x11mm 5mm C43C 2401 000907 C AL 22uF 20 16V GP TP 5x11mm 5mm C31 2401 001364 C AL 470uF 20 16V GP TP 10x12 5 5 C30 2401 001364 C AL 470uF 20 16V GP TP 10x12 5 5 AC7 2401 001538 C AL 47uF 20 25V GP...

Page 57: ...08 FR16 2007 000077 R CHIP 470ohm 5 1 10W TP 1608 FR41 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 FR40 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 FR39 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 FR38 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 FR37 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 UR525 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 RR10R 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 RR10L 2007 000078 R CHIP 1...

Page 58: ... 5MM TP SC8 2401 001238 C AL 4 7uF 20 25V GP 3 5 2 5MM TP SC13 2401 001324 C AL 0 47UF 20 50V GP BK 3X5 2 5 HC4 2401 001502 C AL 47uF 20 16V GP TP 6 3x5 2 5 FC60 2401 001502 C AL 47uF 20 16V GP TP 6 3x5 2 5 FC57 2401 001502 C AL 47uF 20 16V GP TP 6 3x5 2 5 FC32 2401 001502 C AL 47uF 20 16V GP TP 6 3x5 2 5 FC31 2401 001502 C AL 47uF 20 16V GP TP 6 3x5 2 5 FC30 2401 001502 C AL 47uF 20 16V GP TP 6 3...

Page 59: ...Samsung Electronics 4 1 4 Block Diagram 4 1 MAIN Part ...

Page 60: ...4 2 Samsung Electronics 4 2 DVD Part ...

Page 61: ...Samsung Electronics 7 1 This Document can not be used without Samsung s authorization 7 Schematic Diagram 7 1 MAIN ...

Page 62: ...7 2 Samsung Electronics This Document can not be used without Samsung s authorization 7 2 FRONT ...

Page 63: ...Samsung Electronics 7 3 This Document can not be used without Samsung s authorization 7 3 DSP I2C I2C I2C I2C ...

Page 64: ...7 4 Samsung Electronics This Document can not be used without Samsung s authorization 7 4 JACK SCART RCA ...

Page 65: ...Samsung Electronics 7 5 This Document can not be used without Samsung s authorization 7 5 DVD PACK LOADER Part ...

Page 66: ...7 6 Samsung Electronics This Document can not be used without Samsung s authorization 7 6 DVD PACK MPEG DECODER Part ...

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