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DVD-VCR COMBINATION

Chassis : Kaiser Karaoke
SV-DVD240P

SERVICE

1. Precautions

2. Alignment and Adjustment

3. Exploded Views and Parts List

4. Electrical Parts List

5. Block Diagram

6. Schematic Diagrams

Manual

DVD-VCR COMBINATION

CONTENTS

SERVICE MANUAL

SV
-DVD240P

ELECTRONICS

AUG. 2004

Printed in Korea

AK82-00662A

If you want to know additional information which is not included on this Service Manual, please refer to the
DVD-V940K Training Manual (AK82-00557A).

This Service Manual is a property of Samsung Electronics Co .,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

Содержание SV-DVD240P

Страница 1: ...ON CONTENTS SERVICE MANUAL SV DVD240P ELECTRONICS Samsung Electronics Co Ltd AUG 2004 Printed in Korea AK82 00662A If you want to know additional information which is not included on this Service Manual please refer to the DVD V940K Training Manual AK82 00557A This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable Internation...

Страница 2: ... Motor Load Ass y Separate the Motor Load Ass y 2 When Slider S T approachs the unloading position rotate holder Clutch counterclockwise after inserting screwdriver in the frame s bottom hole in order to wind the unwound tape Refer to Fig 3 If you rotate Gear Worm Œ continuously when tape is unwinding you may cause tape contamination by grease and tape damage Be sure to wind the unwound tape with ...

Страница 3: ...erwriters Laboratories UL 1270 40 7 With the instrument s AC switch first in the ON position and then in the OFF position measure from a known earth ground metal water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinets screw heads metallic overlays control shafts etc espe cially any exposed metal parts that offer an electri cal return path to the ...

Страница 4: ...nched out of place or frayed wiring Do not change spacing between a component and the printed circuit board Check the AC power cord for damage 5 Components parts and or wiring that appear to have overheated or that are otherwise damaged should be replaced with components parts and or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if neces...

Страница 5: ...d lead last 2 The service precautions are indicated or printed on the cabinet chassis or components When servic ing follow the printed or indicated service precau tions and service materials 3 The components used in the unit have a specified flame resistance and dielectric strength When replacing components use components which have the same ratings Components identi fied by shading by or by in th...

Страница 6: ...posure of the assem bly 3 Use only a grounded tip soldering iron to solder or unsolder ESD devices 4 Use only an anti static solder removal devices Some solder removal devices not classified as anti static can generate electrical charges suffi cient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a ...

Страница 7: ... sheet This gives them the same ground as the sheet 4 Remove the optical pick up block 5 Perform work on top of the conductive sheet Be careful not to let your clothes or any other static sources to touch the unit Be sure to put on a wrist strap grounded to the sheet Be sure to lay a conductive sheet made of copper etc Which is grounded to the table Fig 1 3 6 Short the short terminal on the PCB wh...

Страница 8: ... Assy 3 Make solder land 2 points short on Pick up See Fig 1 4 4 Disassemble the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Remove the soldering 2 points on Pick up 3 Reassemble the Deck Assy PICK UP ASS Y SOLDER LAND 2 POINTS SHORT Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Страница 9: ...acing the cylinder ass y be sure to adjust the X Point and Head switching adjustment 4 How to adjust Short the TEST Point on VCR MAIN PCB to set the adjustment mode If the corresponding adjustment button is pressed the adjustment is performed automatically When the adjustment is completed be sure to turn the power off 2 1 1 a Location of adjustment button of remote control Fig 2 1 X Point Tracking...

Страница 10: ...2 2 Alignment and Adjustments Samsung Electronics 2 1 1 b TEST location for adjustment mode setting Fig 2 2 VCR Main PCB Top View SHORT ...

Страница 11: ...f remote control If button is pressed the selected number is changescolor See Fig 2 4 5 Press the ENTER button of remote control again to store the option number 6 Turn the Power off 1 NVRAM Option is adjusted in the factory 2 In case Main PCB Micom IC601 and NVRAM IC603 EEPROM are replaced be sure to set the corresponding option number of the required model If the option is not set the unit will ...

Страница 12: ...2 4 Alignment and Adjustments Samsung Electronics 2 2 DVD Adjustment 2 2 1 Location of Test Point Fig 2 5 Location of test Point Main PCB Top Side Pin 29 of RIC1 ...

Страница 13: ...nd Test Point 2 2 2 Skew Adjustment Test Disc Adjustment Spec Test Point Adjustment Location TDV 533 Pin 29 of RIC1 Ass y Deck Top Side Chapter 14 Flat Waveform DVD Main PCB Top Side See Fig 2 6 See Fig 2 5 Fig 2 6 Ass y Deck Top Side Test Disc Service not Available Table 2 2 ...

Страница 14: ...et the Oscilloscope Range as follows Voltage 50mV Div Frequency 10m Sec 3 Adjust the Screws A and B See Fig 2 6 using a Hex screwdriver until you obtain a Flat Waveform and the picture is stable Then go to Chapter 1 and make sure the Waveform is Flat here as well If not you have to go back to Chapter 14 and adjust again If you cannot obtain a Flat waveform then the unit is defective Note The Deck ...

Страница 15: ...eference for the transport adjustment To maintain the height of the tape guide and prevent damage do not apply excessive force onto the main base Fig 2 8 Location of Tape Transport Adjustment Fig 2 9 Tape Travel Diagram CYLINDER ASS Y TAKE UP REEL DISK 8 GUIDE POST 9 GUIDE POST SUPPLY REEL DISK CAPSTAN PINCH ROLLER GUIDE ROLLER T GUIDE ROLLER S FULL ERASE HEAD 3 GUIDE POST TENSION POST HEIGHT SCRE...

Страница 16: ...e is still observed at the tape guide perform the tilt adjustment of the ACE head 1 ACE Head Assembly Adjustment a ACE HEAD HEIGHT ADJUSTMENT 1 Run the alignment tape Color bar in the playback mode 2 Observe surface of the audio head using a dental mirror 3 Turn screw C clockwise or counterclockwise until the gap of lower tape edge and the lower edge of the control head is about 0 25mm Refer to Fi...

Страница 17: ...wer flange of tape guide as shown in Fig 2 12 B 3 If a curl or wrinkle of the tape occurs slightly turn the screw A tilt adjust on the ACE head ass y 4 Reconfirm the ACE head height Fig 2 12 Tape Guide Check c AUDIO AZIMUTH ADJUSTMENT 1 Load alignment tape Mono scope and playback the 7KHz signal 2 Connect channel 1 scope probe to audio output 3 Adjust screw B to achieve maximum audio level See Fig...

Страница 18: ...s then adjustment is operates automatically See Fig 2 1 4 Connect the CH 1 probe to Envelope the CH 2 probe to H D switching pulse and then trigger to CH 1 5 Insert the driver into the X Point adjustment hole and adjust it so that envelope waveform is maximum Test point W325 Audio Output W324 Envelope W323 H D S W Trigger W322 Control Pulse Fig 2 13 Location of Test point VCR Main PCB Top View AUD...

Страница 19: ... follows Note a Maximum output of the video RF envelope b Minimum output of the video RF envelope at the entrance side c Minimum output of the video RF envelope at the center point d Maximum output of the video RF envelope at the exit side 4 If the section A in Fig 2 15 does not meet the specification adjust the guide roller S up or down 5 If the section B in Fig 2 15 does not meet the specificati...

Страница 20: ...ope CH 1 to the Envelope and CH 2 to the H D SW Pulse for triggering 8 Turn the guide roller heads with a flat head driver to obtain a flat video RF envelope as shown in Fig 2 16 Fig 2 16 Guide Roller S T Height Adjustment IDEAL ENVELOPE SHEIGHTTOOHIGH SHEIGHTTOOLOW THEIGHTTOOHIGH THEIGHTTOOLOW GUIDE ROLLER S GUIDE ROLLER T ...

Страница 21: ...E Fig 2 17 Video Envelope Rising when Operation mode Changes from RPS to Play Mode 4 Envelope Check 1 Make recordings on T 120 E 120 and T 160 E 180 tape Make sure the playback output envelope meets the specification as shown in Fig 2 18 2 Play back a self recorded tape recording made on the unit using with T 120 E 120 The video envelope should meet the specification as shown in Fig 2 18 In SP mod...

Страница 22: ... ass y drives the disk reel S T through gear idler by rotation of gear center ass y 3 Brake is operated by slider cam at FF REW mode 4 Transportation of accurate driving force is done by gears Gear Center Ass y Note If the spec does not meet the followings specifications replace the holder clutch ass y and then recheck MODE TORQUE g cm GAUGE PB 42 11 Cassette Torquemeter RPS 145 30 Cassette Torque...

Страница 23: ...rts List 3 1 Cabinet Assembly 3 2 3 2 VCR Mechanical Parts Top Side 3 4 3 3 VCR Mechanical Parts Bottom Side 3 6 3 4 DVD Mechanical Parts 3 8 You can search for the updated part code through ITSELF web site URL http itself sec samsung co kr Notice ...

Страница 24: ...and Parts List 3 2 Samsung Electronics 3 1 Cabinet Assembly W202 W252 A001 C015 W001 P021 C001 C003 C012 W202 C011 C002 P001 LD61A S602A P025 OPEN CLOSE STANDBY ON PROG TRK OK KARAOKE SEARCH KARAOKE VOLUME P002 P020 ...

Страница 25: ...MASK SV C130 SUS 4 4 C015 AK64 00536B CABINET TOP SV DVD440 PCM T0 5 W430 L223 LD61A AC61 00340A HOLDER LED X 11 POM K300 NTR P001 AC92 01555B ASSY PCB MAIN SV DVD240 XEV KARAOKE P002 AK92 00415B ASSY PCB DVD SV DVD240P XEV DVD MAIN PCB P020 AK97 00814A ASSY CONNECTOR BOARD HIPS DVD V540 XSA P021 AK61 00344A CONNECTOR BOARD SV DVD240 XEV HIPS 94HB P025 AC39 10019A CBF POWER CORD KKP 419C H03VVH2 F...

Страница 26: ...t 3 4 Samsung Electronics 3 2 VCR Mechanical Parts Top Side G001 G555 G510 G480 K546 B410 B440 B411 B448 B452 G546 G060 G520 G527 K188 K182 K110 K240 K248 K350 K330 K140 K340 G070 K470 B474 B473 K250 K530 K490 G530 G420 G450 K502 ...

Страница 27: ...10 6006 001075 SCREW ASS Y TAPT WSP PH M2 6 L5 0 ZPC G520 AC66 00074A LEVER GUIDE 9 TS 9 PPS BLK KHA G527 AC61 60553A SPRING ETC GUIDE 9 X 9 SUS304 WPB 0 25 G530 AC33 00007A HEAD FE HVFHPOO43A G546 AC66 00005A LEVER FL DOOR TS 10 POM NAT G555 AC97 02293A ASSY UNIT PINCH SECC SUS304 TS 10 FOR X G560 AC97 02215A ASSY POST 8 GUIDE SUS303 POM M90 44 EQ K110 AC66 10267A REEL DISK S X 9 POM K140 AC66 10...

Страница 28: ...Exploded View and Parts List 3 6 Samsung Electronics 3 3 VCR Mechanical Parts Bottom Side G542 B462 B560 B484 B488 B475 B500 B456 B458 B464 B468 K222 K200 K225 K221 B478 B570 B460 ...

Страница 29: ...5 AC66 00085A DAMPER CAPSTAN X 11 POM M90 44 B478 AC66 00016A LEVER TENSION DRIVE TS 10 SECC E20 20 1 B484 AC66 00078A GEAR LOADING DRIVE X 11 POM K300 B488 AC97 02195A ASSY LEVER LOADING S SECC POM SUS X 11 F B500 AC97 02196A ASSY LEVER LOADING T SECC POM SUS X 11 F B560 AC81 00004A MOTOR CAPSTAN THRUST END PLAY 0 2 MR FG B570 AC60 10514A SCREW CAPSTAN M2 6 L6 PH G542 AC66 60051A BELT PULLEY 5CM ...

Страница 30: ...loded View and Parts List 3 8 Samsung Electronics 3 4 DVD Mechanical Parts H212 H205 H210 H209 H903 H104 H109 H106 H105 H107 H207 H206 H904 H904 H211 H206 H203 H103 H108 H204 H903 H903 H241 H102 H202 H900 ...

Страница 31: ...P 15 COMBO H202 AK73 00005B RUBBER INSULATOR DP 15 BUTYL 12 HS30 H H203 AH61 50327A SHAFT P U DP 3 SUS L84 7 OD3 H204 AK66 00043A GEAR FEED A DP 15 POM H205 AK66 00044A GEAR FEED B DP 15 POM H206 AK61 00032A HOLDER CAM SKEW DP 9 POM BLACK H207 AK31 00014A MOTOR SPINDLE DP 15 3000RPM H209 AK64 00491A CHASSIS SUB DP 15 POM H210 AK31 00005A MOTOR FEED ASSY DP 9 H211 AK97 00638A ASSY PICK UP SOH DT2 T...

Страница 32: ...Exploded View and Parts List 3 10 Samsung Electronics MEMO ...

Страница 33: ... 10uF 20 16V GP TP 3 5x5 2 5 C334 2203 000975 C CER CHIP 47nF 10 25V X7R TP 1608 C334A 2203 000236 C CER CHIP 0 1NF 5 50V C0G TP 1608 C335 2203 001652 C CER CHIP 470nF 80 20 16V Y5V TP 1608 C337 2203 001652 C CER CHIP 470nF 80 20 16V Y5V TP 1608 C338 2203 000609 C CER CHIP 22nF 10 50V X7R TP 2012 C339 2401 000408 C AL 10uF 20 16V GP TP 3 5x5 2 5 C340 2401 001226 C AL 4 7uF 20 16V BP TP 4x7 5mm C34...

Страница 34: ...08 C695 2203 000357 C CER CHIP 0 15NF 5 50V C0G TP 1608 C701 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 C702 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 C703 2203 000440 C CER CHIP 1nF 10 50V X7R TP 1608 C707 2401 001992 C AL 2200UF 20 10V WT TP 10X20MM 5 C708A 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 C7K01 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 C7K04 2203 000236 C CER CHIP 0 1NF...

Страница 35: ... IC701 1003 001561 IC LED DRIVER PT6961 SOP 32P 300MIL 40 IC7K1 1201 000163 IC OP AMP 4560 SOP 8P 173MIL DUAL 100V m ICDP1 1203 000299 IC POSI FIXED REG 7809 TO 220 3P PLAS ICK1 1201 000163 IC OP AMP 4560 SOP 8P 173MIL DUAL 100V m ICK2 1201 000163 IC OP AMP 4560 SOP 8P 173MIL DUAL 100V m ICK3 1201 000163 IC OP AMP 4560 SOP 8P 173MIL DUAL 100V m ICK4 1204 001730 IC ECHO M65855P DIP 16P 300MIL PLAST...

Страница 36: ...5 1 10W TP 1608 R333 2007 001039 R CHIP 56Kohm 5 1 8W TP 2012 R334 2007 000123 R CHIP 1 5Kohm 5 1 10W TP 1608 R335 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM R350 2007 000123 R CHIP 1 5Kohm 5 1 10W TP 1608 R360 2007 001196 R CHIP 820Kohm 5 1 10W TP 1608 R372 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 R373 2007 000093 R CHIP 20Kohm 5 1 10W TP 1608 R380 2007 000124 R CHIP 2 2Kohm 5 1 10W TP 16...

Страница 37: ... 470ohm 5 1 10W TP 1608 R7K12 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 R7K13 2007 000098 R CHIP 56Kohm 5 1 10W TP 1608 R7K14 2007 000124 R CHIP 2 2Kohm 5 1 10W TP 1608 R7K15 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R7K17 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 R7K18 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 R801A 2007 000116 R CHIP 120ohm 5 1 10W TP 1608 R807 2007 001134 R CHIP 68ohm ...

Страница 38: ... C CER CHIP 100nF 10 16V X7R TP 1608 AC18 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 AC19 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 AC20 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 AC21 2203 000315 C CER CHIP 0 12NF 5 50V C0G TP 1608 AC22 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 AC25 2203 000315 C CER CHIP 0 12NF 5 50V C0G TP 1608 AC26 2203 000125 C CER CHIP 1 2nF 10 50V X7R ...

Страница 39: ...P 100nF 10 16V X7R TP 1608 CCC16 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 CCC17 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 CCC18 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 CCC19 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 CCC20 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 CCC21 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 CCC22 2203 005148 C CER CHIP 100nF 10 16V X7R TP ...

Страница 40: ... 6x0 8x0 8mm 150mA RE10 2401 001479 C AL 470uF 20 10V GP TP 6 3 11mm 5 RFR20 2007 000119 R CHIP 560ohm 5 1 10W TP 1608 RFR21 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 RFR22 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 RIC1 AK13 00005A IC ASIC SP3723DE0PM EXINO2 64 5 135 Q RL1 2007 000033 R CHIP 0ohm 5 1 4W TP 3216 RL2 2007 000033 R CHIP 0ohm 5 1 4W TP 3216 RN1 2011 000475 R NET 33OHM 5 1 16W L CHIP 8...

Страница 41: ...hm 1 1 10W TP 1608 VR14 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 VR19 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 VR2 2007 001164 R CHIP 75ohm 1 1 10W TP 1608 VR20 2007 001167 R CHIP 75ohm 5 1 10W TP 1608 VR21 2007 001167 R CHIP 75ohm 5 1 10W TP 1608 VR3 2007 001164 R CHIP 75ohm 1 1 10W TP 1608 VR33 2007 001167 R CHIP 75ohm 5 1 10W TP 1608 VR34 2007 001167 R CHIP 75ohm 5 1 10W TP 1608 VR4 2007 001...

Страница 42: ...4 10 Samsung Electronics Electrical Parts List This Document can not be used without Samsung s authorization MEMO ...

Страница 43: ...atto II A V Decoder AIC2 PCM1742KE 2CH Audio DAC IC701 PT6961 LED Drive ICK4 ICK5 Karaoke DT701 VIC1 LA73054 Video Amp 6CH S W ICK1 Karaoke MIX AUDIO L R AUDIO L R DIC2 MBM29LV800BA IMB Flash Memory DIC4 TC74VHCT125 Level Shifter IC501 LA72646 Hi FI Audio Processor IC301 LA71750EM LA71730 Video Signal Processor IC601 M37760E VCR Main Micom AUDIO L A V Common VIDEO AUDIO R Pb Y Pr MIC Jack Optical ...

Страница 44: ...Block Diagram 5 2 Samsung Electronics This Document can not be used without Samsung s authorization MEMO ...

Страница 45: ... noted Note Special note Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the electrostatically sensitive ES devices section of this service manual Note Do not use the part number shown on this drawing for ordering The correct part number is shown in the parts list may be slightly different or amended since this drawin...

Страница 46: ...Schematic Diagrams 6 2 Samsung Electronics This Document can not be used without Samsung s authorization 6 1 S M P S ...

Страница 47: ...Schematic Diagrams Samsung Electronics 6 3 This Document can not be used without Samsung s authorization 6 2 Power Drive ...

Страница 48: ...Schematic Diagrams 6 4 Samsung Electronics This Document can not be used without Samsung s authorization 6 3 Display Function ...

Страница 49: ...Schematic Diagrams Samsung Electronics 6 5 This Document can not be used without Samsung s authorization 6 4 System Control Servo ...

Страница 50: ...Schematic Diagrams 6 6 Samsung Electronics This Document can not be used without Samsung s authorization 6 5 A V ...

Страница 51: ...Schematic Diagrams Samsung Electronics 6 7 This Document can not be used without Samsung s authorization 6 6 Hi Fi ...

Страница 52: ...Schematic Diagrams 6 8 Samsung Electronics This Document can not be used without Samsung s authorization 6 7 A2 NICAM ...

Страница 53: ...Schematic Diagrams Samsung Electronics 6 9 This Document can not be used without Samsung s authorization 6 8 TM ...

Страница 54: ...Schematic Diagrams 6 10 Samsung Electronics This Document can not be used without Samsung s authorization 6 9 Input Output ...

Страница 55: ...Schematic Diagrams Samsung Electronics 6 11 This Document can not be used without Samsung s authorization 6 10 Karaoke ...

Страница 56: ...Schematic Diagrams 6 12 Samsung Electronics This Document can not be used without Samsung s authorization 6 11 DVD AV Decoder ...

Страница 57: ...Schematic Diagrams Samsung Electronics 6 13 This Document can not be used without Samsung s authorization 6 12 DVD Servo ...

Страница 58: ...Schematic Diagrams 6 14 Samsung Electronics This Document can not be used without Samsung s authorization 6 13 DVD Audio Video ...

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