Samsung TB331VDZ1S/XSA Service Manual Download Page 121

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Troubleshooting

6-20

Samsung Electronics

6-27 Audio Signal Missing in Play Mode

Check ICM301

78 pin 5V

Check

ICM301 63, 64 pin

(I2C LCK DATA)

Check ICM301

10 pin : PB Audio Signal

(Small Signal)

Check PC 5V Line

Yes

Check VCR MICOM

(ICM601-99, 100 pin)

Check A/C Head and PB EQ

Block (AUDIO HEAD A2 (MUTH)

Check CM588

Check ICM301

11 pin : PB audio signal

(Small Signal)

Replace ICM301

Check ICM301

77 pin : PB Audio

Signal

Replace CNM001

Check

CNM001 8 pin

PB Audio signal

Summary of Contents for TB331VDZ1S/XSA

Page 1: ... Cassette Recorder CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustment Mechanical Alignment and Adjustment Electrical Troubleshooting Exploded View and Parts List Electric Parts List Block Diagram PCB Layout Wiring Diagram Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd NOV 1998 Printed in Korea 3SCV11F 3115 ...

Page 3: ... metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test Fig 1 1 AC Leakage Test 6 Antenna Cold Check With the unitÕs AC plug disconnected from the AC source connect an electrical jumper across the two AC prongs Connect one lead of the ohmmeter to an AC prong Connect the other lead to the co...

Page 4: ...ppear to have overheated or that are otherwise damaged should be replaced with parts that meet the original specifications Always determine the cause of damage or overheat ing and correct any potential hazards 15 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of plac...

Page 5: ...ssible conductive parts examples metal panels input terminals and earphone jacks 6 Insulation Checking Procedure Disconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Neve...

Page 6: ...ctrical charges that damage ESDs 5 Use only a grounded tip soldering iron when soldering or unsoldering ESDs 6 Use only an anti static solder removal device Many solder removal devices are not rated as Òanti staticÓ these can accumulate sufficient electrical charge to damage ESDs 7 Do not remove a replacement ESD from its protective package until you are ready to install it Most replacement ESDs a...

Page 7: ...erted subcarrier phase shifted direct recording Wow and flutter WTD 0 4 maximum SP Frequency response 100Hz 8 KHz GENERAL Power supply 220 240V 50Hz Option 110 260V 50 60Hz Consumption 14 Inch 80W 20 Inch 100W 21 Inch 105W Audio output power 14 Inch 2 0 watts 20 Inch 21 Inch 2Watts x 2 Number of loudspeakers 14 Inch 1 20 Inch 21 Inch 2 Tube size 14 37 cm or 20 51 cm 21 55 cm Tube type BLACK MATRIX...

Page 8: ...MEMO 2 2 Samsung Electronics ...

Page 9: ...amsung Electronics 3 1 3 Disassembly and Reassembly 3 1 Disassembly 3 1 1 Back Cover Removal Fig 3 1 1 Remove the screws located on the side of the back cover 2 Pull the Main Assembly backward and remove it from the front cabinet ...

Page 10: ... Main Assembly Removal Disassembly and Reassembly 3 2 Samsung Electronics Fig 3 2 1 Release two connectors between sub PCB and Main Assembly 2 Pull the Main Assembly backward Remove it from the front cabinet ...

Page 11: ...itor Frame Removal Disassembly and Reassembly Samsung Electronics 3 3 Fig 3 3 1 Remove 2 screws from the Main Assembly Remove the dust cover 2 Remove 2 screws from the Deck Assembly Remove the dust cover bracket ...

Page 12: ...l 3 1 5 Main Assembly Removal 1 Remove 4 screws holding the bottom cover 2 Remove one screw from Main PCB Assembly Take out the deck assembly 1 Remove 2 screws holding the upper chassis housing 2 Remove 3 screws holding the deck assembly 3 Lift the deck assembly upward to remove ...

Page 13: ...l 1 ARM TENSION FULL ASS Y 2 BRAKE MAIN L ASS Y 3 GUIDE ROLLER ASS Y T 4 FULL ERASE HEAD 5 GUIDE ROLLER ASS Y S 6 CYLINDER ASS Y 7 LEVER PINCH COMP ASS Y 8 LEVER PINCH CAM 9 FULL ACE HEAD AAS Y 10 UNIT PINCH ROLLER ASS Y 11 LEVER REVIEW 12 BRAKE SUB R ASS Y 13 REEL DISK R ASS Y 14 GEAR RELAY T ASS Y 15 IDLER ASS Y 16 GEAR RELAY S ASS Y 17 REEL DISK L ASS Y 18 LEVER JOG ASS Y DX8 A AC ONLY 19 LEVER...

Page 14: ...KE MAIN L ASS Y 3 GUIDE ROLLER ASS Y T 4 FULL ERASE HEAD 5 HEAD CLEANER ASS Y DX7 AC DX8 AC ONLY 6 GUIDE ROLLER ASS Y S 7 CYLINDER ASS Y 8 LEVER PINCH COMP ASS Y 9 LEVER PINCH CAM 10 FULL ACE HEAD AAS Y 11 UNIT PINCH ROLLER ASS Y 12 LEVER REVIEW 13 BRAKE SUB R ASS Y 14 REEL DISK R ASS Y 15 GEAR RELAY T ASS Y 16 IDLER ASS Y 17 GEAR RELAY S ASS Y 18 REEL DISK L ASS Y 19 LEVER JOG ASS Y DX8 A AC ONLY...

Page 15: ... 5 7 8 9 10 11 13 12 Fig 4 3 Deck Bottom Parts Location 1 LEVER SLIDE PINCH 2 BELT CAPSTAN 3 MOTOR D D CAPSTAN 4 BRAKE CAPSTAN ASS Y 5 GEAR LOADING R ASS Y 6 MOTOR CYLINDER 7 GEAR LOADING L ASS Y 8 SLIDE MAIN 9 LEVER REC SWITCH 10 LEVER IDLER CHANGE 11 CLUTCH ASS Y 12 UNIT LOADING 13 GEAR MASTER ...

Page 16: ...stments Mechanical 4 4 Samsung Electronics 4 1 4 Housing View 1 2 3 4 6 5 Fig 4 4 Housing Parts Location 1 CHASSIS SIDE L ASS Y 2 UPPER CHASSIS 3 CHASSIS SIDE R ASS Y 4 SHAFT ARM ASS Y 5 HOLDER CASSETTE ASS Y 6 LEVER DOOR ...

Page 17: ...Housing Assembly 4 2 1 Removal from Main Base 1 Remove 3 Screws 2 Lift the Housing AssÕy in the direction of arrow ÒBÓ while pushing the tab in the direction of arrow ÒAÓ Refer to detail drawing 3 SCREWS 1 MAIN BASE TAB A 2 Fig 4 5 Housing Ass y Removal from Main Base ...

Page 18: ...Alignments and Adjustments Mechanical 4 6 Samsung Electronics 4 2 2 Diassembly 2 SCREWS UPPER CHASSIS CHASSIS SIDE R HOLDER CASSETTE ASS Y SHAFT ARM ASS Y CHASSIS SIDE L Fig 4 6 Housing Ass y Removal ...

Page 19: ... and Adjustments Mechanical Samsung Electronics 4 7 4 2 3 Upper Chassis Removal 1 Remove 2 Screws 2 Lift the Upper Chassis in the direction of arrow ÒAÓ 2 SCREWS UPPER CHASSIS 2 A 1 Fig 4 7 Upper Chassis Removal ...

Page 20: ...of arrow ÒAÓ Refer to Fig A 2 Remove the Side Chassis ÒLÓ and ÒRÓ from Arm Shaft AssÕy in the direction of arrow ÒBÓ ÒCÓ Refer to Fig B HOLDER CASSETTE ASS Y A 1 2 4 SHAFT ARM ASS Y CHASSIS SIDE L 3 CHASSIS SIDE R SLIDE DAMPER B Fig A Fig B DETAIL REASSEMBLY OF CHASSIS SIDE R SHAFT ARM R SIDE VIEW C D SHAFT ARM R Fig 4 8 Holder Cassette Ass y and Chassis Side L R ...

Page 21: ...ig 4 9 Chassis Side R Parts Locations Note If you operate the deck when the Cassette AssÕy Holder is removed the Arm Shaft ÒRÓ and the Damper Slide are not returned to their original positions If this happens by accident push the Damper Slide of Side Chassis ÒRÓ in the direction of arrow ÒDÓ and return the Damper Slide in the reverse direction of arrow ÒDÓ when the Arm Shaft AssÕy is in eject mode...

Page 22: ...de Damper Spring 2 Push the Stopper of the Side Chassis ÒRÓ Move the Damper Slide in the direction of arrow 3 Align the Damper Slide with the chassis side tab as shown detail drawing CHASSIS SIDE R CHASSIS SIDE R TAB SLIDE DAMPER 4 STOPPER 3 SLIDE DAMPER 2 SPRING SLIDE DAMPER 1 Fig 4 10 Slide Damper Removal ...

Page 23: ...msung Electronics 4 11 4 3 Cylinder Ass y 4 3 1 Exploded View of Cylinder Ass y ASS Y MOTOR ROTOR ASS Y SUB CYLINDER 2 SCREWS 3 SCREWS 2 SCREWS ASS Y MOTOR STATOR ASS Y BASE CYLINDER SPRING CARBON TIP Fig 4 11 Exploded View of Cylinder Ass y ...

Page 24: ...cs 4 3 2 Head Cleaner Ass y Removal Only for Deck DX7 AC DX8 AC 1 Release 1 tab in the direction of arrow ÒAÓ Refer to detail drawing 2 Lift the Head Cleaner in the direction of arrow ÒBÓ ASS Y HEAD CLEANER B 2 TAB DETAIL A 1 Fig 4 12 Head Cleaner Ass y Removal ...

Page 25: ...s y Removal from Main Base 1 Remove 3 Screws holding the Main Base and the Cylinder AssÕy 2 Lift the Cylinder AssÕy in the direction of arrow Note Do not touch the video heads during removal or installation 3 SCREWS 1 CYLINDER ASS Y 2 Fig 4 13 Cylinder Ass y Removal from Main Base ...

Page 26: ...ion of arrow Refer to detail drawing 2 Disconnect the Holder FPC from the Cylinder Base 3 Note When disconnecting the FPC Holder from the Cylinder Base Take care not to disconnect the FPC cable from the FPC Holder The FPC cable is very short HOLDER FPC CYLINDER BASE CYLINDER BASE HOLDER FPC DETAIL BOTTOM VIEW 2 1 Fig 4 14 Head Brush and Holder FPC Removal ...

Page 27: ... CYLINDER SUB ASS Y CYLINDER BASE 3 SCREWS 2 1 3 Fig 4 15 Cylinder Ass y Removal from Cylinder Base 4 3 5 Cylinder Ass y Removal from Cylinder Base 1 Remove 3 Screws from the Cylinder Base 2 Lift the Cylinder AssÕy from the Cylinder Base in the direction of arrow ...

Page 28: ...Stator Removal 1 Remove 2 Screws 2 Remove the Motor Stator from the Cylinder Sub AssÕy 3 Note When disassembling the Motor Stator be careful not to loose the carbon tip and spring MOTOR STATOR CYLINDER SUB ASS Y 2 2SCREWS 1 5 SPRING CARBON TIP 3 4 Fig 4 16 Motor Stator Removal ...

Page 29: ...Alignments and Adjustments Mechanical Samsung Electronics 4 17 4 3 7 Motor Rotor Removal 1 Remove 2 Screws 2 Lift The Motor Rotor MOTOR ROTOR DRUM SUB ASS Y 2 3 2 SCREWS 1 Fig 4 17 Motor Rotor Removal ...

Page 30: ... Ass y 1 Make sure that phase matching holes of the Motor Rotor and the Cylinder Sub AssÕy are aligned correctly as shown in Fig 4 18 Refer to phase matching hole 2 Secure 2 Screws MOTOR ROTOR PHASE MATCHING HOLE DRUM SUB ASS Y 2 3 2 SCREWS 1 Fig 4 18 Assembly of Motor Rotor and Cylinder Sub Ass y ...

Page 31: ...onics 4 19 4 3 9 Motor Stator and Cylinder Sub Ass y 1 Reinstall the Motor Stator toward the FPC cable of Cylinder Sub AssÕy 2 Secure 2 Screws Refer to Fig 4 16 MOTOR STATOR CYLINDER SUB ASS Y 1 2 Fig 4 19 Assembly of Motor Stator and Cylinder Sub Ass y ...

Page 32: ...ts and Adjustments Mechanical 4 20 Samsung Electronics 4 4 Main Deck Removal and Reassembly 4 4 1 Slide Rack Housing Removal 1 Lift the Slide Rack Housing SLIDE RACK HOUSING Fig 4 20 Slide Rack Housing Removal ...

Page 33: ...e of Master Gear and the hole ÒAÓ of Main Base are aligned correctly Eject mode 2 Align the Slot 1 of Master Gear with the Tooth 1 of Rack Housing Slide Refer to timing point SLIDE VIEW DETAIL A TIMING POINT SLOT 1 TOOTH 1 GEAR MASTER TOP VIEW SIDE VIEW 1 SLIDER RACK HOUSING ARM R 2 Fig 4 21 Assembly of Slide Rack Housing and Gear Master ...

Page 34: ...lectronics 4 4 3 Brake Sub L Removal 1 Remove the Sub ÒLÓ Brake Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Sub ÒLÓ Brake DETAIL BRAKE SUB L 3 TAB 2 SPRING BRAKE SUB L 1 BRAKE SUB L 3 Fig 4 22 Brake Sub L Removal ...

Page 35: ...on Arm Full Ass y Removal 1 Remove the Tension Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Tension Arm Full AssÕy DETAIL SPRING TENSION 1 TENSION ARM FULL ASS Y 3 TAB 2 TENSION ARM FULL ASS Y 3 Fig 4 23 Tension Arm Full Ass y Removal ...

Page 36: ...chanical 4 24 Samsung Electronics 4 4 5 JOG LEVER Ass y Removal Only for deck DX8 A DX8 AC 1 Remove the 1 Screw 2 Lift the JOG Lever AssÕy TOP VIEW 1 SCREW 1 JOG LEVER ASS Y LEVER JOG ASS Y 2 TIMING Fig 4 24 JOG Lever Ass y Removal ...

Page 37: ...detail drawing 2 Lift the Reel Disk ÒLÓ 3 Remove the Plain Washer 4 Remove the Slit Washer 5 Lift the Relay ÒSÓ Gear AssÕy 6 Note When reinstalling be sure to install the Reel Disk ÒLÓ after installing the Plain Washer DETAIL REEL DISK L 2 TAB 1 WASHER PLAIN 3 REEL DISK L 2 WASHER SLIT 4 GEAR RELAY S ASS Y 5 Fig 4 25 Reel Disk L and Gear Relay S Ass y Removal ...

Page 38: ...7 Sub Brake R Ass y Removal 1 Remove the Sub ÒRÓ Brake Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Brake Sub ÒRÓ AssÕy SPRING SUB BRAKE R 1 SUB BRAKE R ASS Y 3 SUB BRAKE R ASS Y DETAIL 3 TAB 2 Fig 4 26 Sub Brake R Ass y Removal ...

Page 39: ...l drawing 2 Lift the Reel Disk ÒRÓ AssÕy 3 Remove the Plain Washer 4 Remove the Slit Washer 5 Lift the Relay ÒTÓ Gear AssÕy Note When reinstalling be sure to install the Reel Disk ÒRÓ AssÕy after installing the Plain Washer REEL DISK R ASS Y DETAIL 2 TAB 1 REEL DISK R ASS Y 2 WASHER PLAIN 3 GEAR RELAY T 5 WASHER SLIT 4 Fig 4 27 Reel Disk R Ass y and Gear Relay T Removal ...

Page 40: ...he direction of arrow ÒAÓ Refer to detail drawing A 3 Lift the Main Brake ÒLÓ 4 Release the tab in the direction of arrow ÒBÓ Refer to detail drawing B 5 Lift the Main ÒRÓ Brake MAIN BRAKE R ASS Y 5 MAIN BRAKE L ASS Y DETAIL A DETAIL B 3 TAB A B 2 MAIN BRAKE R ASS Y 5 TAB 4 MAIN BRAKE L ASS Y 3 SPRING BRAKE MAIN 1 Fig 4 28 Brake Main L R Ass y Removal ...

Page 41: ...Alignments and Adjustments Mechanical Samsung Electronics 4 29 4 4 10 Idler Ass y Removal 1 Remove the Slit Washer 2 Lift the Idler AssÕy IDLER ASS Y 2 WASHER SLIT 1 Fig 4 29 Idler Ass y Removal ...

Page 42: ...anical 4 30 Samsung Electronics 4 4 11 Pinch Roller Unit 1 Remove the Slit Washer 2 Lift the Pinch Roller Unit 3 Lift the Arm Pinch Spring PINCH ROLLER UNIT 2 WASHER SLIT 1 SPRING ARM PINCH 3 Fig 4 30 Pinch Roller Unit Ass y Removal ...

Page 43: ...Samsung Electronics 4 31 4 4 12 Assembly of Pinch Roller Unit 1 Install the Pinch Roller Unit as shown in Fig 4 31 Refer to A B MOTOR D D CAPSTAN PINCH ROLLER UNIT SLIDER PINCH TOP VIEW B SLIDER PUSH A Fig 4 31 Assembly of Unit Pinch Roller ...

Page 44: ... Exploded View of Pinch Lever Comp Ass y Pinch Cam Lever Review Arm Ass y and Review Lever Ass y PINCH COMP LEVER ASS Y PINCH CAM LEVER REVIEW ARM ASS Y REVIEW LEVER Fig 4 32 Exploded View of Pinch Lever Comp Ass y Pinch Cam Lever Arm Review Ass y and Lever Review Ass y ...

Page 45: ...p Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the Pinch Lever Comp AssÕy Note DonÕt touch the Pinch Lever AssÕy to Audio Head Base during removal PINCH LEVER COMP ASS Y 2 PINCH LEVER COMP ASS Y 2 TAB DETAIL 1 Fig 4 33 Pinch Lever Comp Ass y Removal ...

Page 46: ...cal 4 34 Samsung Electronics 4 4 15 Pinch Cam Lever Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the Pinch Cam Lever PINCH LEVER CAM 2 TAB DETAIL 1 PINCH LEVER CAM 2 Fig 4 34 Pinch Cam Lever Removal ...

Page 47: ... direction of arrow ÒAÓ and then confirm as in detail B ÒBÓ Refer to detail drawing ÒAÓ 3 Release the tab in the direction of arrow and then lift the Review Arm AssÕy 4 Note Be careful not to damage when removing the Review Arm AssÕy See Detail B REVIEW ARM ASS Y 2 STOPPER TAB 1 TAB DETAIL B 3 ARM REVIEW ASS Y 2 B A DETAIL A REVIEW ARM ASS Y 2 Fig 4 35 Arm Review Ass y Removal ...

Page 48: ...stments Mechanical 4 36 Samsung Electronics 4 4 17 Review Lever Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the Review Lever REVIEW LEVER 2 TAB DETAIL 1 Fig 4 36 Review Lever Removal ...

Page 49: ...djustments Mechanical Samsung Electronics 4 37 4 4 18 Capstan Belt Removal 1 Remove the Capstan Belt 2 Note Be careful not to touch the grease when removing or reinstalling CAPSTAN BELT 1 Fig 4 37 Capstan Belt Removal ...

Page 50: ...stan Brake Ass y Removal 1 Remove the Capstan Brake Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Capstan Brake AssÕy CAPSTAN SPRING BRAKE 1 CAPSTAN BRAKE ASS Y CAPSTAN BRAKE ASS Y 3 TAB 2 DETAIL 3 Fig 4 38 Capstan Brake Ass y Removal ...

Page 51: ...g Electronics 4 39 4 4 20 Capstan Direct Drive D D Motor Removal 1 Remove 3 Screws Top view 2 Lift the Capstan D D Motor in the direction of arrow Bottom view MOTOR D D CAPSTAN 2 BOTTOM VIEW 3 SCREWS 1 TOP VIEW Fig 4 39 Capstan D D Motor Removal ...

Page 52: ...stments Mechanical 4 40 Samsung Electronics 4 4 21 Clutch Ass y Removal 1 Remove the Slit Washer 2 Lift the Clutch AssÕy 3 Remove the Plain Washer WASHER SLIT 1 CLUTCH ASS Y 2 WASHER PLAIN 3 Fig 4 40 Clutch Ass y Removal ...

Page 53: ...Alignments and Adjustments Mechanical Samsung Electronics 4 41 4 4 22 Master Gear Removal 1 Remove the Slit Washer 2 Lift the Master Gear WASHER SLIT 1 GEAR MASTER 2 Fig 4 41 Master Gear Removal ...

Page 54: ...Electronics 4 4 23 Assembly of Master Gear 1 When reinstalling be sure to align the arrow of the Master Gear with home Gear of the Worm Wheel Gear Refer to timing point MASTER GEAR 1 WORM WHEEL GEAR LOADING UNIT 2 TIMING Fig 4 42 Master Assembly of Gear ...

Page 55: ...ts and Adjustments Mechanical Samsung Electronics 4 43 4 4 24 Loading Unit Removal 1 Remove 2 Screws 2 Lift the Loading Unit in the direction of the arrow 2 SCREWS 1 LOADING UNIT 2 Fig 4 43 Loading Unit Removal ...

Page 56: ...s and Adjustments Mechanical 4 44 Samsung Electronics 4 4 25 Slide Pinch Lever Removal 1 Remove the Slit Washer 2 Lift the Slide Pinch Lever SLIT WASHER 1 SLIDER PINCH LEVER 2 Fig 4 44 Slide Pinch Lever Removal ...

Page 57: ...ssembly of Slide Pinch Lever 1 Pull the Slide Lever to the end in the direction of arrow 2 Insert the Slide Lever into the hole of Slide Pinch Lever Refer to detail ÒAÓ SLIDE PINCH 1 SLIDE PINCH LEVER A 2 MAIN SLIDE SLIDE PINCH BOSS 3 Fig 4 45 Assembly of Slide Pinch Lever ...

Page 58: ...s Mechanical 4 46 Samsung Electronics 4 4 27 Main Slide Removal 1 Remove the Slit Washer 2 Release 3 tabs in the direction of arrow 3 Lift the Main Slide SLIT WASHER 1 MAIN SLIDER 5 TAB 2 TAB 3 TAB 4 Fig 4 46 Slide Main Removal ...

Page 59: ... Tension Control Lever and the Idler Change Lever into the Main Slide Hole Refer to detail ÒBÓ 3 After confirming the above items 1 2 install the Main Slide and secure with tabs a b c 4 Note Be sure to assemble the Main Slide while the Loading L R Gear AssÕy is in unloading position LOADING GEAR R ASS Y LOADING GEAR L ASS Y 1 IDLER CHANGE LEVER MAIN SLIDE 4 TENSION CONTROL LEVER 3 SLIT WASHER a d ...

Page 60: ...the Lever Shift Spring to the claw of the Shift Lever Refer to detail drawings A B 2 Release the tab in the direction of arrow 3 Lift the Shift Lever SHIFT LEVER SPRING 1 SHIFT LEVER 3 DETAIL A DETAIL B TAB 2 SHIFT LEVER SPRING 1 SHIFT LEVER SPRING CLAW 1 SHIFT LEVER 3 Fig 4 48 Shift Lever Ass y Removal ...

Page 61: ...4 49 4 4 30 Lever Changes Idler Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the Lever Change Idler LEVER IDLER CHANGE 2 TAB DETAIL TOP SIDE BOTTOM VIEW MAIN BASE 1 LEVER IDLER CHANGE 2 Fig 4 49 Idler Change Lever Removal ...

Page 62: ...Ó Guide by pushing the Loading ÒLÓ Spring in the direction of arrow Refer to detail drawing B 3 Lift the Loading ÒRÓ Gear AssÕy 4 Lift the Loading ÒLÓ Gear AssÕy by pushing the tab of the Loading ÒLÓ Gear AssÕy Refer to detail drawing C LOADING GEAR L ASS Y 5 TAB DETAIL C 7 LOADING GEAR R ASS Y 2 SLIDE LOADING GEAR ASS Y T 3 SLIDE LOADING GEAR ASS Y S 6 DETAIL A DETAIL B LOADING GEAR L ASS Y 5 SPR...

Page 63: ...lectronics 4 51 4 4 32 Assembly Loading Gear L R 1 When reinstalling be sure to align 2 arrow as shown in Fig 4 51 Refer to timing point ALIGN TWO ARROWS LOADING GEAR R ASSEMBLY LOADING GEAR L ASSEMBLY TIMING POINT Fig 4 51 Assembly Loading Gear L R ...

Page 64: ...2 Samsung Electronics 4 4 33 Pinch Slide Removal 1 Push the tab in the direction of arrow ÒAÓ Refer to detail drawing 2 Lift the Pinch Slide in the direction of arrow ÒBÓ PINCH SLIDER 2 A B TAB MAIN BASE DETAIL 1 A Fig 4 52 Pinch Slide Removal ...

Page 65: ...Removal 1 Remove the Slide Push Spring 2 Push the Slide in the direction of arrow ÒAÓ 3 Lift the Push Slide by pushing the tab in the direction of arrow ÒBÓ Refer to detail drawing SLIDER PUSH SPRING 1 PUSH SLIDER 2 A PUSH SLIDER DETAIL TOP VIEW 2 TAB B 3 Fig 4 53 Push Slide Removal ...

Page 66: ...nts Mechanical 4 54 Samsung Electronics 4 4 35 LED Prism Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the LED Prism LED PRISM 2 LED PRISM DETAIL TOP VIEW TAB 1 Fig 4 54 LED Prism Removal ...

Page 67: ... Record Switch Lever Removal 1 Remove the Record Switch Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Record Switch Lever REC S W SPRING 1 3 REC S W LEVER 2 TAB 3 REC S W LEVER DETAIL MAIN BASE Fig 4 55 Record Switch Lever Removal ...

Page 68: ...Alignments and Adjustments Mechanical 4 56 Samsung Electronics 4 4 37 Full Erase Head Removal 1 Remove 1 Screw 2 Lift the F E Magnet Head 1 SCREW 1 F E HEAD MAGNET 2 Fig 4 56 Full Erase Head Removal ...

Page 69: ...he Magnet ACE Head AssÕy 4 Assembly When reinstalling be sure to align the 3 teeth of X Position adjustment gear with the 2 slots of the ACE Head Base 5 Note When adjusting the X Position adjustment gear using driver do not apply too much force MAGNET ACE HEAD ASS Y 3 1 SCREW 2 X POSITION ADJUST ACE HEAD BASE DETAIL B TIMING POINT 1 TAB ACE HOLDER DETAIL A Fig 4 57 ACE Head Ass y Removal and Reass...

Page 70: ...ylinder AssÕy from the Main Base Refer to Fig 4 12 4 13 2 Remove the Slide ÒSÓ ÒTÓ from the Loading ÒLÓ ÒRÓ Gear AssÕy Refer to Fig 4 51 3 Move the Roller ÒSÓ ÒTÓ Guide AssÕy to slot and then lift it to remove Refer to arrow SLIDE GEAR LOADING ASS Y S SLIDE GEAR LOADING ASS Y T Fig 4 58 Slide Guide Roller S T Ass y Removal ...

Page 71: ...w ÒBÓ while turning the Master Gear toward arrow AÓ Refer to Fig 4 59 3 Load the Loading L R Gear AssÕy to the middle position of Guide Rail by turning the Master Gear toward arrow ÒAÓ Refer to Fig 4 59 4 60 4 Install the Guide Roller S T Slide into the Rail slot and then move it to the position of Loading Gear L R AssÕy Refer to Fig 60 5 Turn the Master Gear toward arrow ÒAÓ Eject mode CASSETTE A...

Page 72: ...ments and Adjustments Mechanical 4 60 Samsung Electronics SLIDER G R ASSEMBLY S 6 GEAR LOADING L ASSEMBLY 4 GEAR LOADING R ASSEMBLY 5 SLIDER G R ASSEMBLY T 7 Fig 4 60 Assembly of Guide Roller Slides S and T ...

Page 73: ...Pulley 4 5 2 Cleaning of Rotating and Stationary Heads To clean video heads full erase head and the audio control A C head use a head cleaning kit and solvent Note When cleaning video heads move the cleaning stick in the direction of head rotation wiping in a vertical direction may damage the heads Press a chamois cloth which has been dipped in cleaning fluid lightly against the rotating Cylinder ...

Page 74: ... Y SPRING GUIDE BOTTOM VIEW 18 SLIDER MAIN 1 WASHER SLIT BOTTOM VIEW 19 LEVER SLIDER PINCH 1 WASHER SLIT BOTTOM VIEW 20 CLUTCH ASS Y 1 WASHER SLIT PLAIN BOTTOM VIEW 21 BRAKE CAPSTAN ASS Y BOTTOM VIEW 22 SPRING BRAKE CAPSTAN BOTTOM VIEW 23 UNIT LOADING 2 SCREWS BOTTOM VIEW 24 GEAR MASTER 1 WASHER SLIT BOTTOM VIEW 25 BELT CAPSTAN BOTTOM VIEW 26 LEVER REVIEW TOP VIEW 27 ARM REVIEW ASS Y TOP VIEW 28 L...

Page 75: ... W TOP VIEW 42 SPRING REC S W TOP VIEW 43 SPRING TENSION TOP VIEW 44 SPRING SLIDE PUSH TOP VIEW 45 MAGNET ACE HEAD ASS Y 1 SCREW TOP VIEW 46 HOUSING ASS Y 3 SCREWS TOP VIEW 47 CYLINDER ASS Y 3 SCREWS TOP VIEW 48 MAGNET F E HEAD 1 SCREW TOP VIEW Alignments and Adjustments Mechanical Samsung Electronics 4 63 ...

Page 76: ...o maintain the height of the tape guide and prevent damage do not apply excessive force onto the main base CYLINDER ASS Y 3 GUIDE SHAFT 1 GUIDE POLE REVIEW GUIDE POLE PINCH ROLLER TAKE UP REEL DISK ADJUSTING 8 GUIDE SHAFT CHECKING SUPPLY REEL DISK FULL ERASE HEAD TENSION POLE GUIDE ROLLER T GUIDE ROLLER S TILT SCREW X POSITION ADJUST GEAR HEIGHT SCREW AZIMUTH SCREW CAM TENSION Fig 4 61 Location of...

Page 77: ...he tape guide perform the tilt adjustment of the A C head See page 5 1 of the Service Manual for Test Point Locations 4 7 1 A C Head Assembly Adjustment 4 7 1 a A C 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 A B C clockwise or counterclockwise until the gap of lower tape edge and the lower ed...

Page 78: ...inkle of the tape occurrs slightly turn the screw C tilt adjust on the A C Head assÕy 4 Reconfirm the A C head height Fig 4 64 Tape Guide Check 4 7 1 c AUDIO AZIMUTH ADJUSTMENT 1 Load alignment tape Mono scope and playback the NTSC 7KHz PAL 6KHz signal 2 Connect channel 1 scope probe to audio output test point 3 Adjust screw B to achieve maximum audio level See Fig 4 3 WRINKLE GOOD BAD A B 4 7 1 d...

Page 79: ...t adjust as 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 Fig 4 65 Envelope Waveform Adjustment a a b c d c b d a 63 b c d 4 If the section A in Fig 4 66 does not meet the specification adjust the S guide ro...

Page 80: ...H 2 to the HÕD 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 4 67 9 After the adjustment is completed tighten the set screws IDEAL ENVELOPE L HEIGHT TOO HIGH GUIDE ROLLER L GUIDE ROLLER R L HEIGHT TOO LOW R HEIGHT TOO LOW R HEIGHT TOO HIGH Fig 4 67 S T Guide Roller Height Adjustment ...

Page 81: ... adjust the supply guide roller again 2 Change operation mode from the RPS to the play mode again and make sure the entry side of envelope rises within 3 second ENTRANCE SIDE ENVELOPE Fig 4 68 Video Envelope Rising when Operation mode Changes from RPS to Play Mode 4 7 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 specificati...

Page 82: ...ape in the playback FPS RPS and Pause modes and observe tape wrinkle at each guide 2 If excessive tape wrinkle is observed perform the following adjustments in Playback mode 3 Tape wrinkle at the S T guide roller section Linearity adjustment 3 Tape wrinkle at tape guide flange A C head assembly coarse adjustment ...

Page 83: ...one by gears clutch assÕy Note If the spec does not meet the followings specifications replace the clutch assÕy and then recheck 4 8 2 Location of Tension Pole and Back Tension Adjustments 1 Remove the housing assÕy and set the deck to ÒPLAYÓ mode 2 Adjust the tension cam to 0 0 5mm from the center of supply roller 3 The back tension meter should read 41 51g cm PAL 40 47g cm Counterclockwise Torqu...

Page 84: ... If the eeprom or CRT is replaced set PSL and PVA to 15 and 63 Factory Mode 5 2 1 Procedure for the Adjustment Mode 1 This mode uses the standard remote control The Service Mode is activated by 1 pressing the ÒHIDDENÓ service key on the local key board or 2 by entering the following remote control sequence within 2 seconds STAND BY P STD MENU SLEEP POWER ON 2 The ÒSERVICE FACTORY Ó message will be...

Page 85: ...ITUDE PAL HORIZONTAL SHIFT NTSC VERTICAL SLOPE NTSC VERTICAL SHIFT NTSC VERTICAL AMPLITUDE NTSC HORIZONTAL SHIFT Table 5 1 Main Adjustment Parameters Sonyµ com with TTX 5 2 2 Main Adjustment Parameters NOTE PVS PVA PHS NVS NVA NHS parameters must be aligned using both the 50 Hz and 60 Hz vertical field rates 5 2 3 AGING Mode Reference Only This pattern is used for pre heating the CRT during manufa...

Page 86: ...Hz E5 S41 467 25 E21 TECC0889PA19C 40 00 150 75 MHz E2 S7 150 75 467 25 MHz S8 S41 467 25 900 00 MHz E21 TUNER BAND VHF L VHF H UHF 5 Bits 2 1 0 COLOR SYSTEM AUTO PAL SECAM AUTO PAL AUTO PAL SECAM AUTO PAL SECAM PAL SECAM FRANCE Ë AUTO PAL AUTO PAL SOUND SYSTEM X X AUTO B G D K AUTO B G D K I X X X AREA WEST SCAN UNITED KINGDOM EAST CIS CHINA HONG KONG FRANCE ITALY OCEANIA 2 L 0 0 0 0 1 1 1 1 1 D ...

Page 87: ...pliese for VIDEO PLUS and SHOWVIEW BIT 7 6 5 4 3 2 1 0 ITEM NOT USED NOT USED NOT USED HEAD SP LP SECAM MESECAM NTSC3 58 0 2 HEAD SP ONLY N A N A N A 1 4 HEAD SP LP POSSIBLE POSSIBLE POSSIBLE REMARK The Reset Mode is used during factory inspection Function Reset After Factory Reset the following items revert to their initial values 1 Volume 0 2 Channel 0 3 P STD MEMORY 4 Contrast tint MEMORY 5 Aut...

Page 88: ...transformer 5 4 2 Automatic Degaussing A degaussing coil is mounted around the picture tube so that external degaussing after moving the TV should be unnecessary But the receiver must be properly degaussed upon installation The degaussing coil operates for about 1 second after the power is switched ON If the set has been moved or turned in a different direction disconnect its AC power for at least...

Page 89: ...d tighten the clamp screw 3 Plug the convergence yoke into the CRT and set in as shown in Fig 5 1 4 Input a black and white signal 5 Fully demagnetize the receive by applying an external degaussing coil 6 Turn the CONTRAST and BRIGHTNESS controls to maximum 7 Loosen the clamp screw holding the yoke Slide the yoke backward or forward to provide vertical green belt Fig 5 2 8 Tighten the convergence ...

Page 90: ...e Factory Mode 5 4 7 B LOW LIGHT ADJUSTMENT 1 Automatically accomplished during the high light adjustment Alignment and Adjustments Electrical Samsung Electronics 5 7 4 Pole Magnet 6 Pole Magnet 2 Pole Magnet Clamper Screw 2 POLE PURITY YOKE CLAMP SCREW 6 POLE CONVERGENCE 4 POLE CONVERGENCE ADJUST VERTIC 31m m Vertical Green Belt Fig 5 1 Convergence Magnet Assembly Fig 5 2 Center Convergence Adjus...

Page 91: ...agnets affects the horizontal lines 7 Repeat adjustments 2 6 if necessary 8 Since the 4 pole magnets and 6 pole magnets interact the dot movement is complex Fig 5 3 5 4 9 VCO Adjustment 1 Apply an IF input 38 9MHz signal 2 In Factory Mode adjust the AFC with the VCO tuning bits AFA AFB The VCO is correct when the AFA Bit is ÒINSIDE WINDOWÓ The AFB Bit is above below The AFC out put is available on...

Page 92: ...ting P01 input to TU002 IF1 38 9 MHz 7 After selecting P01 set to 3V using MT02 8 After reselecting P00 connect 34 3 MHz signal to TU002 IF1 and then check the voltage of AFT 3V 0 05V If the adjustment voltage is out of specification redo 4 7 Test Equipment 1 TV Generator PM5518 PM5418 ETC 2 DC VOLTMETER _ 1 Store 471 25MHz in P00 2 Connect DC Voltmeter to AFT terminal of TUNER IF MODULE After sel...

Page 93: ...ision or Monitor 2 Oscilloscope Wide band dual trace trig gered delayed sweep 3 DC Voltmeter 4 TV CH Generator 5 Attenuator 6 Recording tape Blank tape 7 Pattern Generator PAL color bar 100 White Fig 5 4 Alignment Tape 0 3V Burst Signal as fiat as possible White 100 signal White 75 signal 0 3V 0 7V Horizontal sync signal Fig 5 5 Color bar signal of pattern generator Yellow Cyan Green Magenta Red B...

Page 94: ...D R PS R SLOW STILL PLAY STOP FF REW ACTION MODE EJECT CASS IN UNLOAD R PS Z R PS PINCH ROLLER OFF POSITION STILL SLOW F ADV PB T STOP REC PAUSE F PS Z FPS STOP POWER OFF FF REW PROGRAM S W SW601 5 6 Module Deck Adjustment Process 5 6 1 H D S W Point Adjustment 1 Load alignment tape PAL signal SPC SD 2 Connect oscilloscope CH 1 to TP201 H D S W pulse CH 2 to TP302 Video out 3 Adjust VR201 H D S W ...

Page 95: ...A96 800 02S AA96 800 02T AA96 800 02U AA96 800 02U AA96 800 02W 5 A A 41 10886A PCB 330 245 O O O O O O O O O O Basic 6 ICM401 1201 001114 IC LA7416 O O O O X X X X X X 4H D 1201 001115 IC LA7411 X X X X O O O O O O 2H D 7 RM401 2001 000302 R 10 O O O O X X X X X X 4H D 8 RM404 2001 000522 R 22K O O O O X X X X X X 4H D 9 RM405 2001 000258 R 1 8K O O O O X X O X X X 4H D 2H D LP 2001 000241 R 1 5K...

Page 96: ...O X X X X X X 4H D 26 JM120 3812 000219 JUMPER O O O O X X X X X X 4H D 27 RM339 2001 000429 R 1K O O O O O O X O O O MESECAM 28 RM340 2001 000449 R 2 2K O O O O O O X O O O MESECAM 29 CM371 2202 000127 C 103 O O O O O O X O O O MESECAM 30 JM060 3802 000219 JUMPER O O O O O O X O O O MESECAM 31 JM138 3802 000219 JUMPER O O O O O O X O O O MESECAM 32 JM140 3802 000219 JUMPER O O O O O O X O O O MES...

Page 97: ... AA91 40099A PCB ASSY AA96 80002Q Specifications of OPTION are identical with ones of 320FK SEF S ASSY M DECK M DECK Name PCB ASSY FULL DECK ASSY Specification Destination Remark A A 94 80003J M 340FK SEF S A A 96 80002P A A 91 40100A PA L M E SE C A M SE C A M N T PB ON PAL TV BASIC France PAL Areas A A 94 80003K M 320FK SEF S A A 96 80002Q A A 91 40099A PA L M E SE C A M SE C A M N T PB ON PAL T...

Page 98: ... A733 11 QM903 0501 000142 TR R2001 12 QM904 0501 000303 TR A733 13 QM905 0501 000398 TR C945 14 CM901 2202 000195 C 221 15 CM902 2401 000620 C 2 2uF 50V 16 CM903 2202 000127 C 103 17 CM904 2202 000127 C 103 18 CM905 2202 000109 C 104 19 CM906 2202 000154 C 151 20 CM907 2401 001496 C 47 16 21 CM908 2202 000109 C 104 22 CM909 2202 000127 C 103 23 CM910 2202 000127 C 103 24 CM911 2202 000127 C 103 2...

Page 99: ...CM901 1204 001058 IC LA7337 42 LM902 2701 000208 COIL 6 8uH 43 LM903 2701 000162 COIL 27uH 44 LM904 2701 000191 COIL 47uH 45 LM905 2701 000158 COIL 22uH 46 RM902 2001 000977 R 8 2K 47 RM903 2004 001995 R 9 1K 48 RM904 2001 000563 R 27K 49 RM905 2001 000786 R 47K 50 RM906 2001 000429 R 1K 51 RM907 2001 000890 R 6 8K 52 RM908 2001 000613 R 3 9K 53 RM909 2001 000660 R 33K 54 RM910 2001 000660 R 33K 5...

Page 100: ... RM921 2004 001996 R 910 add 65 RM922 2001 000429 R 1K 66 RM923 2001 000539 R 24K 67 RM924 2001 000319 R 120K 68 RM925 2001 000258 R 1 8K 69 RM926 2001 000539 R 24K 70 RM927 2001 000947 R 7 5K 71 JPM303 3812 000219 JUMPER 72 JM024 3812 000219 JUMPER 73 JM028 3812 000219 JUMPER 74 JM035 3812 000219 JUMPER 75 QM630 0504 000144 TR R2002 76 QM631 0504 000119 TR R2001 ...

Page 101: ...12 000219 JUMPER 12 JM150 3812 000219 JUMPER 13 JM157 3812 000219 JUMPER Not Used 14 JPM305 3812 000219 JUMPER PAL ONLY 15 JPM307 3812 000219 JUMPER PAL ONLY 16 JPM308 3812 000219 JUMPER PAL ONLY 17 JPM309 3812 000219 JUMPER PAL ONLY 18 LM303 2702 000143 RADIAL 270UH 5 Change of fixed number 19 LM306 2702 000143 RADIAL 270UH 5 Change of fixed number 20 QM307 0504 000119 R1004 South America 21 RM30...

Page 102: ...ck D801 804 F801 Q801 No Is Q801 Pin 9 6 8V Check IC801 Q803 Check Replace T801 No Yes No Yes Check Voltage of 5V 6V 8V 13V power line Check whether each power line is short or open No No Yes Is IC901 Pin 64 Voltage 5V Check H V SYNC on IC901 Pins 1 2 Check Replace IC901 Check IC901 Pin 3 is High when power is On Check Replace IC902 Check the voltage of TU01 Yes Yes No No Yes ...

Page 103: ... Check IC901 23 24 Check after Bus Line Open Yes Check Q803 Q807 Yes Yes Yes Check IC804 No Check another I2C Bus Line Yes No No Retouch CN102 or Replace CN102 Check IC801 Check Q801 Check D801 D805 Check Replace D801 D805 Replace Replace Replace Yes No No No No Check IC901 28 31 Replace IC901 No ...

Page 104: ...k IC901 23 24 Check D831 H and Q805 Q807 Yes Yes Yes No Check Another I2C bus line Check IC806 IC811 Check IC201 12 37 Check Q401 Q402 Replace Replace Replace Replace No No No Check After bus line open No Replace No Yes No Check IC201 40 41 R416 R408 R408 D401 D402 Yes Yes ...

Page 105: ...am 6 6 RF Weak Signal Playback AV Mode OK 1 Check Tuner TU001 B Check 12V IC807 33V DZ803 Check 5V IC802 2 Pre AMP HC001 B Check 9V IC803 SPLITTER SP001 B Check 5V IC803 ICU101 6 7 Recording Defect 1 CN101 Check Retouch 2 2nd Tuner TU002 B Check 12V IC807 33V DZ803 5V IC803 ICU101 3 2nd If Check 12V IC807 Video out Audio out 4 Video Defect IC701 Check 5 Audio Defect IC704 Check 6 Standby Recording...

Page 106: ...al X202 4 43361MHz 6 9 No Vertical SCAN 1 Check R410 D404 2 Check IC301 7 3 Check IC201 46 47 Line 4 Check DY Connector 6 10 Horizontal Size 1 Check DZ805 IC801 2 Check Q803 3 Check C402 C403 6 11 On Screen Display Missing 1 Check IC901 2 D921 Q901 DZ901 2 Check IC901 1 R949 D919 6 12 No Teletext 1 Check Q203 IC203 16 2 Check the 1st 5V Line R842 D817 IC802 3 Check ICT01 1 Vcc 5V Teletext Board 4 ...

Page 107: ...sm Operation PB Video See PB Audio Audio Missing in Play Mode No Yes See Video Missing In EE Mode No See Regulator Inoperative No No See Mechanism Does Not Operate in Play Mode See Video Missing in Play Mode Insert a Cassette Tape Recorded by Another VCR and Press Play Button Yes Does Not Operate or Operates but Stops Soon ...

Page 108: ...ICM601 13 Low Check Tape Load ICM601 59 HIGH ICM601 58 LOW No Moter B ICM603 2 10 No Motor B Line Replace ICM601 Replace ICM603 Cylinder Rotation No See Cylinder Does Not Rotate High Yes Yes Prog SW State ICM601 56 57 No Deck Loading Motor Mechanism S T Reel ICM601 84 85 DC PTM601 PTM602 QM602 QM603 Supply Take Up Reel Sensor PTM601 PTM602 Yes Mechanism Does Not Operate In Play Mode Place VCR Powe...

Page 109: ...See Audio Mising in Record Mode D REC H ICM60 56 Low Check ICM601 Rew SW Logic ICM601 No Change Tape Replace Replace SWM602 REC Video No See Video Missing in Record Mode High Yes Load VCR With a Blank Tape and Press Record Button Yes Yes Play Operation No See Play Mode Inoperative Yes ...

Page 110: ...16 Fast Forward Mode Inoperative Check Mechanism Mechanism State ICM601 56 57 STOP See Mechanism Does Not Operate In Play Mode Capstan Motor Rotation STOP See Capstar Does Not Rotate F FWD Rotate Load VCR With a Tape and Press F Fwd Button Yes ...

Page 111: ... Mode Inoperative Check Mechanism Mechanism State ICM601 56 57 STOP See Mechanism Does Not Operate In Play Mode Capstan Motor Rotation STOP See ICM601 20 Rew Rotate Press Rewind Button Yes Load VCR With a Tape No See Fast Forward Mode Inoperative Rotate ...

Page 112: ...de Inoperative Replace ICM601 Capstan Speed Replace ICM601 Noise Bar Locking Serach Speed Yes Press REV Search Button Yes Play Operation No See Play Mode Inoperative Yes No Rew SW Logic ICM601 No Change Tape Replace Check Mechanism Play Speed Capstan Motor Yes ...

Page 113: ...echanism Does Not Operate Press Eject Button Tape Loading Yes Turn the VCR Power On and Insert a Tape No Check LM B Line No No Check Start End Sendor ICM601 Yes ICM603 7 Check Control Pulse ICM601 37 67 No Replace ICM603 Yes ICH 10 HIGH ICM603 2 LOW Check ICM601 No ...

Page 114: ...oting Samsung Electronics 6 13 6 20 No Servo Lock Play No Check A C Head No Check Start End Sendor ICM601 Yes CTL Pluse ICM601 37 C FG ICM601 40 Yes Replace ICM601 Yes Check CTL Pulse AC Level SP LP Over 2Vp p No ...

Page 115: ...k 6V at AL6V Line of Power Supply No Check 12V at AL13V Line of Power Supply Yes AL 5V CNM201 8 12V CNM201 5 Place the VCR In Play Mode Yes No Check C M CTL RM202 RM203 No Check CTL Ref RM205 RM206 Yes 0 4V More CNM201 6 CNM201 3 2 5V Check Capstan Motor Yes No Check ICM601 Yes ...

Page 116: ...6 22 Drum Does Not Rotate No Check 12V at AL13V of Power Supply Check 12V CNM202 5 Place the VCR In Play Mode Yes No Replace XTM601 CM626 CM627 Faster Check D FG CIM601 38 Square Wave Slower 10 MHz XTM601 CYL Speed Check Cylinder Motor Yes Yes ...

Page 117: ...M301 Check ICM401 15 7 8 5 Yes Place VCR Play Mode No Check QM305 E No Check ICM601 24 H S SW ICM301 19 PB Low Yes Video ICM301 26 Video FM In ICM301 15 No Check Video Out Line Yes Video ICM301 26 Video EE Mode Operation No See Video Missing In EE Mode Yes Yes Yes Check Video Head No ...

Page 118: ...No Replace ICM301 Check Video Head Yes Place VCR Record Mode Yes FM Video ICM401 11 FM Video ICM301 18 Yes FM Video ICM401 18 LP 17 SP Video EE Mode Operation No TV Switching Circuit Check Yes Yes Rec 5V ICM401 7 No Check Rec High ICM301 19 No No Check QM308 Replace ICM401 Yes ...

Page 119: ...Color Missing In Play Mode FM ENV ICM301 15 Yes Color ICM301 48 50 S W 25Hz ICM301 66 No Check ICM601 No No See Video Missing In Play Mode Replace ICM301 Yes Yes Check XTM302 4 43MHz Yes Color ICM301 52 No Change XTM302 No Check ICM302 QM301 Yes No ...

Page 120: ...nics 6 19 6 26 Color Missing In Record Mode VIdeo In Record Mode Yes Color ICM301 14 Check XTM302 4 43MHz No Replace XTM302 No No TV Switching Circuit Check Replace ICM401 Yes Yes Yes FM Signal ICM401 11 Replace ICM301 No Check QM309 ...

Page 121: ...No Check ICM301 10 pin PB Audio Signal Small Signal Check PC 5V Line Yes Yes Yes No Check VCR MICOM ICM601 99 100 pin No Check A C Head and PB EQ Block AUDIO HEAD A2 MUTH No Check CM588 Check ICM301 11 pin PB audio signal Small Signal No Replace ICM301 Check ICM301 77 pin PB Audio Signal No Replace CNM001 Check CNM001 8 pin PB Audio signal ...

Page 122: ...Check CM573 CM574 CM572 RM572 RM573 RM576 QM574 RM576 No Check RM598 RM582 RM569 RM570 CM578 CM570 RM568 Check ICM301 79 pin Audio Signal No Replace ICM301 Check ICM301 1 pin REC audio signal Yes Yes Check Audio Signal in E E Mode No Check CNM001 6 pin REC Audio Signal Yes Yes Place VCR in REC Mode Replace CNM501 Check ICM301 3 pin REC bias signal No Check RM585 RM586 CM583 Yes No Check TV part A ...

Page 123: ...AA65 30016A CLAMP D COIL NYLON 66 V0 NTR DADH 360 14 2 2 2 AA60 10050R SCREW ASSY WC HH M5 L31 5 SWRCH18A ZPC 4 2 3 AA95 20008U ASSY PCB CRT SCV11D 14 NONE EC 1 3 AA64 30650A CABINET BACK T3350 HIPS V0 BLK 1 3 1 AA42 10001V ANT ROD 3S 620mm BRN UL CSA 1 3 2 AA64 60062J INLAY BACK T3350 RCA 1TUN PS T0 5 BLK 1 3 3 DELETE ITEM 3 4 AA61 20050A HOLDER CORD PP V0 BLK DO 1 4 AA90 40001F ASSY FRAME V0 C2 ...

Page 124: ...M3 L10 ZPC YEL SWCH18 4 1 14 AA64 40043A WINDOW REMOCON T5050 PC V0 VIOLET 1 1 15 AA64 40165A INDICATOR LED T5050 PC 1 2 AA03 10004H CRT COLOR A51KQJ63X U 300MG 21 90DE 1 2 1 AA65 30019A CLAMP D COIL NYLON 66 V0 NTR DADH 460 20 4 2 2 AA60 10050R SCREW ASSY WC HH M5 L31 5 SWRCH18A ZPC 4 2 3 AA27 20001Z COIL DEGAUSSING 21 14 5ohm 35T L2500 E 1 2 4 AA95 20010V ASSY PCB CRT SCV11F 21 NON EC 1 3 AA64 3...

Page 125: ... ARM TENSION ASSY DX5 R T216 AC61 60119A SPRING TENSION ES SWPB PI0 4 D3 L33 OD3 T217 AC66 30470A LEVER REC S W PBT 3300 T4 0 L32 X T218 AC61 62017A SPRING SUB BRAKE L ES SUS304 PI0 23 D3 5 T219 AC33 10003P HEAD MAGNET F E MH131S L51 05XW7 T220 AC66 82050A SLIDER G R ASSY S X 5 T221 AC66 82054A SLIDER G R ASSY T X 5 T223 AC66 20065A RACK HOUSING L74 29 POM M90 44 BLK M1 3 T224 AC33 10216K HEAD ACE...

Page 126: ...SY PACKAGE X 5 B253 AC66 20069A GEAR LOADING R ASSY X5 B254 AC61 60115A SPRING BRAKE CAPSTAN ES SUS304WPB PI0 4 B255 AC66 20004A GEAR MASTER POM M90 44 M 1 Z 60 SP X B256 AC31 12006A MOTOR D D CAPSTAN DMVCMC07A B257 AC66 62008A BELT CAPSTAN DLB 601 T2 8 L134 9 BLK X B258 AC66 20066A GEAR CLUTCH ASSY X 5 B259 AC66 32185A LEVER SLIDER PINCH PBT T4 NAT B260 AC66 20016A GEAR WORM WHEEL POM SW 01 M0 55...

Page 127: ...LOCK ES SUS304 WPB PI0 2 D2 H526 AC66 30019A LEVER KEY CASSETTE LUCEL N109 LD T2 5 L2 H530 AC61 11033A CHASSIS SIDE L ASSY X5FL0505A H531 AC61 10004A CHASSIS SIDE L ABS HF 380 T10 BLK X H532 AC66 30004A LEVER LIGHT SHUTTER LUCEL N109 LD T2 5 H533 AC61 60142A SPRING LIGHT ES SUS304WPB PI0 2 L11 4 O H535 AC66 30017A LEVER DOOR LUCELN109 LD T3 5 L74 3 W21 H540 AC61 11032A CHASSIS SIDE R ASSY X5FL0505...

Page 128: ...m 5 5W CB TP 10 5x14x23 R615 2001 000331 R CARBON 12KOHM 5 1 8W AA TP R705 2001 000674 R CARBON 360OHM 5 1 8W AA TP R711 2001 000674 R CARBON 360OHM 5 1 8W AA TP R712 2001 000780 R CARBON 470OHM 5 1 8W AA TP R927 2001 000429 R CARBON 1KOHM 5 1 8W AA TP T444 AA26 30002UTRANS FLYBACK FTK 14R005C 14 125V TU001 AA40 10005WTUNER F S TECC2979PK28B S PAL B G TR 18 ASSY PCB CRT AA95 20008UASSY PCB CRT SCV...

Page 129: ...C409 2401 002293 C AL 68uF 20 100V WT TP 10x20 5 C411 2201 000556 C CERAMIC DISC 470pF 10 500V Y5P TP 7x4 5 C412 2401 000932 C AL 22uF 20 250V LZ TP 13x25mm 5m C413 2301 000224 C FILM PEF 22nF 5 50V TP 7 4x3 9x13mm 5m C414 2201 000984 C CERAMIC DISC 680pF 10 2KV Y5P TP 11x6 7 5m C415 2305 000382 C FILM MPEF 4 7nF 5 400V TP 5mm C601 2401 001998 C AL 1000uF 20 25V GP TP 10x20 5mm C602 2306 000122 C ...

Page 130: ... D910 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D912 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D913 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D914 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D916 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D919 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D921 0401 000005 DIODE SWITCHING 1N4148 75V 3...

Page 131: ...P 2 5x6 5mm R304 2003 001032 R METAL OXIDE S 220ohm 5 1W AF TP 2 5x6 5mm R305 2001 000085 R CARBON S 100KOHM 5 1 2W AA TP R306 2008 000254 R FUSIBLE S 0 68ohm 5 2W AF TP 3 9x10mm R401 2001 000281 R CARBON 100OHM 5 1 8W AA TP R402 2001 000591 R CARBON 3 3KOHM 5 1 8W AA TP R403 2001 001114 R CARBON S 270OHM 5 1 2W AA TP R404 2003 000713 R METAL OXIDE S 47ohm 5 2W AF TP 4x12mm R405 2003 000540 R META...

Page 132: ...713 R METAL OXIDE S 47ohm 5 2W AF TP 4x12mm RW701 2011 001133 R NETWORK 33K 24K 75x3 5 1 8W X SIP 6P SF101 2904 000302 FILTER SAW AV 38 90MHz ST 13 9dB PAL B G SP001 AA59 40001Z MODULE RF SPLITTER USP210 011 PAL EUROPE 30x17m T201 AA26 10006ATRANS IF 7MG VIF 0 15uH 7mm 5pF 74 75 T401 AA26 50001BHORIZ DRIVE 7 1mH 102uH 10 20uH YL081 ST T444 AA26 30001YTRANS FLYBACK FSV 20A001 20 125V T801 AA26 2000...

Page 133: ...CERAMIC MLC AXIAL 10nF 80 20 25V Y5V TP 7 5 CM607 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V TP 2 2x3 CM623 2202 000127 C CERAMIC MLC AXIAL 10nF 80 20 25V Y5V TP 7 5 CM624 2202 000162 C CERAMIC MLC AXIAL 015NF 5 50V SL TP 3 5X1 9MM CM625 2202 000162 C CERAMIC MLC AXIAL 015NF 5 50V SL TP 3 5X1 9MM CM626 2202 000162 C CERAMIC MLC AXIAL 015NF 5 50V SL TP 3 5X1 9MM CM627 2202 000162 C CERAMIC...

Page 134: ...319 R CARBON 120KOHM 5 1 8W AA TP RM312 2001 000005 R CARBON 390OHM 5 1 8W AA TP RM313 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP RM314 2001 000331 R CARBON 12KOHM 5 1 8W AA TP RM315 2001 000969 R CARBON 75OHM 5 1 8W AA TP RM316 2001 000037 R CARBON S 330OHM 5 1 2W AA TP RM317 2001 000221 R CARBON 1 2KOHM 5 1 8W AA TP RM318 2001 000241 R CARBON 1 5KOHM 5 1 8W AA TP RM319 2001 000734 R CARBON 4 7KOH...

Page 135: ...250V GP TP 10x16mm 5m CN503B 3711 002648 CONNECTOR HEADER BOX 9P 1R 2 5mm STRAIGHT SN CN503B AA39 20031CLEAD CONNECTOR ASSY 67096 009 S 9P 400 1007 26 D501 0402 000216 DIODE RECTIFIER ERC24 06 600V 1 0A DO 204 D502 0402 000546 DIODE RECTIFIER TVR10G 400V 1 0A DO 41 TP D503 0402 000546 DIODE RECTIFIER TVR10G 400V 1 0A DO 41 TP D504 0402 000546 DIODE RECTIFIER TVR10G 400V 1 0A DO 41 TP D505 0401 000...

Page 136: ...KOHM 5 1 8W AA TP TR06 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP TR07 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP TR08 2001 000281 R CARBON 100OHM 5 1 8W AA TP TR09 2001 000281 R CARBON 100OHM 5 1 8W AA TP TR10 2001 000281 R CARBON 100OHM 5 1 8W AA TP TR13 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP TX01 2801 001478 CRYSTAL UNIT 27 0MHz 25ppm 28 ABR 20pF 40oh ASSY PCB PAL AA95 90037VASSY PCB PAL TB531...

Page 137: ... is high IC702 pin 3 The decoded signal goes to IC701 pin 2 where it is fed to IC 701 pin 4 high output of micomÕsÕ pin 8Ñ AV Tuner and out to VCR pin 3 module deck for recording 9 1 1 C VIEWING A SCRAMBLED CHANNEL WHILE RECORDING AN UNSCRAMBLED CHANNEL The output CVBS of the 2nd IF is fed from IC801 pin 5 to IC702 pin 4 low output of micom pin 8ÑAV tuner Then it goes to the module deck pin 3 for ...

Page 138: ...2 4 8 IC201 INT EXT R G B 38 CRT Drive TTX 8 ICT01 SCV11A OPTION Micom Pin Function PIN NO 6 7 8 23 24 23 24 PIN NAME PB H V T H AV TUNER SDA SCL BG S L H DK FRA H SDA SCL FUNCTION High Output Playback signal is monitored The PB signal is output at scart High Output The second tuner signal is output at scart High Output AV signal is recorded Low output TUNER signal is recorded a C SYSTEM PAL SEC A...

Page 139: ...icom Pin Function PIN NO 6 7 8 60 23 24 PIN NAME PB H V T H AV TUNER S L CTL S L AM B G FM EXT SDA SCL BG S L H DK FRA H FUNCTION High output PB audio is monitored The PB audio is output at scart High output The second tuner audio is output at a scart High output AV audio is recorded Low output TUNER audio is recorded 1 8 2 6V In TV FM Mode connect pin 7 to A and pin 9 to C 4 1 4 9V In TV AM Mode ...

Page 140: ... 227 DZ201 262 77 DZ301 107 195 DZ302 127 190 DZ303 122 203 DZ304 126 200 DZ702 212 209 DZ704 258 126 DZ705 204 216 DZ706 206 216 DZ707 209 216 DZ801 8 23 DZ802 99 95 DZ803 85 164 DZ804 134 57 DZ805 121 105 DZ806 51 8 DZ807 286 205 DZ808 92 85 DZ809 88 85 DZ901 178 16 DZ902 245 30 DZ904 157 29 DZ905 153 66 DZ906 187 64 IC201 205 145 IC301 137 183 IC601 254 59 IC701 227 107 IC702 218 106 IC703 217 ...

Page 141: ...01 262 77 DZ301 107 195 DZ302 127 190 DZ303 122 203 DZ304 126 200 DZ702 212 209 DZ704 258 126 DZ705 204 216 DZ706 206 216 DZ707 209 216 DZ801 8 23 DZ802 99 95 DZ803 85 164 DZ804 134 57 DZ805 121 105 DZ806 51 8 DZ807 286 205 DZ808 92 85 DZ809 88 85 DZ901 178 16 DZ902 245 30 DZ904 157 29 DZ905 153 66 DZ906 187 64 IC201 205 145 IC301 137 183 IC601 254 59 IC701 227 107 IC702 218 106 IC703 217 100 IC70...

Page 142: ...PCB Layout Samsung Electronics 10 3 10 3 PCB CRT 10 4 PCB TTX 10 7 PCB MASTER 10 6 PWB A V 10 8 PCB COLOR 10 4 PCB I F 10 9 PCB SECL SIF ...

Page 143: ...N FBT ANODE SCREEN FOCUS CRT PCB CRT _ _ IC901 MICOM CN502B CN501B POWER TRANS CN502A DY CN02 CN01 MODULE DECK CN101 IC201 IF CHROMA CN501A CN102 CN701A CN601 CN701A CN102 CN701B CN603 CN701A CN701A CN701B 14 A V PCB TU001 1st Tuner TU002 2nd Tuner CN701 CN701 14 20 21 14 20 21 20 21 A V PCB ...

Page 144: ...Wiring Diagram 11 2 Samsung Electronics 11 2 SCV11F Wiring Diagram ...

Page 145: ...Schematic Diagrams 12 1 Samsung Electronics 12 Schematic Diagrams 12 1 VCR SECAM BLOCK RED PB Y PROCESS BLUE REC Y PROCESS ...

Page 146: ...Schematic Diagrams 12 2 Samsung Electronics 12 2 VCR SYSTEM BLOCK 4 3 1 5 2 6 ...

Page 147: ...3 1 4 2 5 6 Schematic Diagrams 12 3 Samsung Electronics 12 3 VCR A V BLOCK RED REC Y PROCESS REC C PROCESS BLUE PB Y PROCESS PB C PROCESS BLUE REC AUDIO PB AUDIO ...

Page 148: ...Schematic Diagrams 12 4 Samsung Electronics 12 4 VCR POWER BLOCK ...

Page 149: ...Schematic Diagrams 12 5 Samsung Electronics 12 5 TV 1 4 RED POWER LINE BLUE SIGNAL LINE ...

Page 150: ...Schematic Diagrams 12 6 Samsung Electronics 12 6 TV 2 4 15 1 4 2 3 6 5 8 16 13 14 11 12 9 10 7 RED POWER LINE BLUE SIGNAL LINE ...

Page 151: ...Schematic Diagrams 12 7 Samsung Electronics 12 7 TV 3 4 RED POWER LINE BLUE SIGNAL LINE ...

Page 152: ...Schematic Diagrams 12 8 Samsung Electronics 12 8 TV 4 4 7 6 8 10 9 3 4 5 2 1 RED POWER LINE BLUE SIGNAL LINE ...

Page 153: ...Schematic Diagrams 12 9 Samsung Electronics 12 11 2 nd IF PAL SECAM B G D K I OPTION 12 9 IF 12 10 CRT RED POWER LINE RED AUDIO LINE BLUE VIDEO LINE RED POWER LINE BLUE SIGNAL LINE ...

Page 154: ...Schematic Diagrams 12 10 Samsung Electronics 12 16 FRONT A V 12 15 MASTER 12 14 PAL SECAM 12 13 SECAM IF 12 12 TTX RED POWER LINE BLUE SIGNAL LINE ...

Page 155: ...9 2 6 2 6 2 6 60 0 0 0 61 5 2 5 2 5 2 62 0 0 0 63 5 2 5 2 5 2 64 0 0 0 MODE PIN NO STOP REC PB 97 0 5 0 5 0 98 5 0 5 0 5 0 99 5 0 5 0 5 0 100 5 0 5 0 5 0 MODE PIN NO STOP REC PB 65 0 0 0 66 0 0 5 4 67 0 5 0 5 0 68 0 0 0 69 2 5 2 5 2 5 70 0 0 6 0 71 0 0 0 72 4 0 4 0 4 0 73 4 5 4 5 4 5 74 0 0 0 75 5 0 5 0 5 0 76 0 0 5 0 77 0 5 0 0 78 0 0 0 79 0 0 0 80 0 0 0 81 0 0 0 82 4 5 4 5 4 5 83 5 0 5 0 5 0 84 ...

Page 156: ...1 2 5 6 5 7 5 7 5 7 IC601 TDA8356 24C08 24C04 TDA7057AQ PIN NO 1 2 3 4 5 6 7 8 9 PIN NAME NC Vcc IN GND NC A GND A NC VOLTAGES V 12 1 12 1 6 2 6 0 IC602 TDA7056 Q801 PIN NO 1 2 3 4 5 6 7 8 9 PIN NAME C E B SINK DRIVE OCP F B INH B STAND BY 298 0 8 6 3 POWER ON 291 0 5 0 7 1 3 1 3 7 7 Conditions of Measurement 1 Normal Condition 2 Receiving Color Bar Pattern 3 DC Voltage PIN NO 1 2 3 4 STAND BY 9 2...

Page 157: ...9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 PIN NAME SOUND IF INPUT EXT AUDIO INPUT VCO REF FILTER VCO REF FILTER PLL LOOP FILTER IF VIDEO OUTPUT SCL SDA BANDGAP DECOUPLING CHROMA INPUT Y CVBS INPUT MAIN B INT CVBS INPUT GND AUDIO OUT DECOUPLING FILTER TUNING EXT CVBS INPUT BLACK CURRENT INPUT BLUE OUTPUT GREEN OUTPUT RED OUTPUT BEAM CUR LIMITER RED INPUT GREEN INPUT BLUE INPUT RGB ...

Page 158: ... 3 3 4 2 2 9 2 9 0 5 2 8 IC202 TDA4665 5 0 0 5 5 0 3 0 3 1 1 6 1 4 IC701 TC4053BP 0 9 0 9 0 9 0 9 0 9 4 3 4 3 9 0 ICK01 TDA3845 1 8 2 0 4 4 1 7 1 7 5 1 5 1 12 0 1 8 6 1 0 6 1 8 ICL01 STV8225 4 2 3 2 0 6 4 3 3 5 4 3 6 3 4 3 3 5 4 3 9 0 4 3 4 3 IC702 KA8405 6 1 0 9 6 1 6 1 5 3 9 0 IC703 KA8405 6 1 0 9 6 1 6 1 5 3 9 0 IC704 KA8404 6 1 6 1 0 9 5 3 9 0 Unit Voltage V ...

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