Sharp DV-NC200SB Service Manual Download Page 20

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1-6-9

H9941IB

[ DV-NC200S(B) ]

Summary of Contents for DV-NC200SB

Page 1: ...S FOR SERVICING 1 4 1 5 PREPARATION FOR SERVICING 1 5 1 6 OPERATING CONTROLS AND FUNCTIONS 1 6 1 7 CABINET DISASSEMBLY INSTRUCTIONS 1 7 1 8 HOW TO INITIALIZE THE DVD PLAYER VCR 1 8 1 9 ELECTRICAL ADJUSTMENT INSTRUCTIONS 1 9 1 10 FIRMWARE RENEWAL MODE FIRMWARE VERSION UP 1 10 1 11 TROUBLESHOOTING 1 11 1 12 FUNCTION INDICATOR SYMBOLS 1 12 1 13 BLOCK DIAGRAMS 1 13 1 14 SCHEMATIC DIAGRAMS CBA S AND TE...

Page 2: ...T DISASSEMBLY INSTRUCTIONS 1 7 1 8 HOW TO INITIALIZE THE DVD PLAYER VCR 1 8 1 9 ELECTRICAL ADJUSTMENT INSTRUCTIONS 1 9 1 10 FIRMWARE RENEWAL MODE FIRMWARE VERSION UP 1 10 1 11 TROUBLESHOOTING 1 11 1 12 FUNCTION INDICATOR SYMBOLS 1 12 1 13 BLOCK DIAGRAMS 1 13 1 14 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 1 14 1 15 WAVEFORMS 1 15 1 16 WIRING DIAGRAM 1 16 1 17 IC PIN FUNCTION DESCRIPTIONS 1 17 1 18 L...

Page 3: ... Distortion R P 1 5 4 3 5 Freq resp R P at 200Hz PB dB 6 3 20dB ref 1kHz at 8kHz PB dB 6 3 5 5 4 Tuner 4 1 Video output Vp p 0 8 1 1 2 4 2 Video S N dB 40 45 4 3 Audio output dB 10 6 2 4 4 Audio S N dB 40 50 5 Hi Fi Audio 5 1 Output PB dBV 12 9 6 5 2 Dynamic Range dB 70 80 5 3 Freq resp 6dB B W Hz 20 20K VCR Section TAPE SPEED SP Notes 1 Nominal specs represent the design specs All units should be...

Page 4: ... 6 Dimension 435 mm X 94 mm X 233 mm DVD Section ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Video Output 75 Ω load Vpp 1 0 0 1 2 Coaxial Digital Out mVpp 500 3 Audio PCM 3 1 Output Level 1 kHz 0 dB 47k Ω load Vrm 2 0 3 2 S N 47k Ω load dB 90 3 3 Freq Response DVD fs 48 kHz 0 5 dB 47k Ω load Hz 20 20 kHz CD fs 44 1 kHz 0 5 dB 47k Ω load Hz 20 20 kHz 3 4 THD N DVD 1k Hz 0 dB 47k Ω load 0 03 CD 1k Hz 0 dB ...

Page 5: ...king the laser diode be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on Do not look directly at the laser beam Caution Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Drive Mechanism Assembly Laser Beam Radiation Laser Pickup Turntable CAUTION CLASS1MLASER RADIA TIONWHEN OPEN...

Page 6: ...r être sûr que les fils ne sont pas pincés ou que le matériel n est pas coincé entre le châssis et les autres pièces métalliques dans le reproductor de vídeo DVD 2 Vérifier tous les dispositifs de protection tels que les boutons de commande non métalliques les matériaux d isolement le dos du coffret les couvercles de compartiment et ajustement ou les boucliers les réseaux de résistance condensateu...

Page 7: ...wire solder or soldering bit contact our service station or service branch in your area Soldering As the melting point of lead free solder Sn Ag Cu is about 220 C which is higher than the conventional lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the ...

Page 8: ... Soldering Iron 1 Using desoldering braid remove the solder from all pins of the flat pack IC When you use solder flux which is applied to all pins of the flat pack IC you can remove it easily Fig S 1 3 Flat Pack IC Desoldering Braid Soldering Iron Fig S 1 3 2 Lift each lead of the flat pack IC upward one by one using a sharp pin or wire to which solder will not adhere iron wire When heating the p...

Page 9: ... To Solid Mounting Point Soldering Iron Iron Wire or Hot Air Blower Fig S 1 5 Fine Tip Soldeing Iron CBA Flat Pack IC Tweezers Fig S 1 6 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more easily 2 The mark on the flat pack IC indicates pin 1 See Fig S 1 7 Be sure this mark matches th...

Page 10: ...rounded to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the semi conductors are to be placed Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semi conductors with...

Page 11: ...sembly and press the PLAY button The tape will be loaded into the Deck Mechanism Assembly Make sure the power is on connect TP501 S INH to GND This will stop the function of Tape Start Sensor Tape End Sensor and Reel Sensors If these TPs are connected before plugging in the unit the function of the sensors will stay valid See Fig 1 Note Because the Tape End Sensors are inactive do not run a tape a...

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Page 24: ... 3 L 2 1 Assembly 1 1 1 2 3 Top 2 3 S 2 Bracket 4 DVD 3 4 S 3 CN401 Mechanism CN601 Assembly 5 Partition 3 S 4 Plate 6 Power 3 2 S 5 CN501 Supply CBA 1 Top Case 2 Front Assembly 3 Top Bracket 4 DVD Mechanism Assembly 8 DVD Main CBA Unit 15 Jack B CBA 5 Partition Plate 7 Loader Holder 6 Power Supply CBA 9 VCR Chassis Unit 10 Deck Assembly 11 DVD Open Close CBA 13 Main CBA 12 Power SW CBA 14 Jack A ...

Page 25: ...damage of pickup follow next procedures 2 1 Disconnect Connector CN301 Remove two Screws S 7 and lift the DVD Main CBA Unit Fig 4 2 2 Short the three short lands of FPC cable with solder before removing the FFC cable CN201 from it If you disconnect the FFC cable CN201 the laser diode of pickup will be destroyed Fig 4 CAUTION 3 When reassembling confirm the FFC cable CN201 is connected completely T...

Page 26: ...S 8 S 8 L 3 9 VCR Chassis Unit Fig 5 S 10 S 10 CN201 CN301 S 7 S 7 A Fig 4 8 DVD Main CBA Unit View for A Short the three short lands by soldering Either of two places Short lands Short lands FPC Cable DVD Mecha OR Solder Solder ...

Page 27: ... Head Assembly Fig 6 Desolder Lead with blue stripe From FE Head BOTTOM VIEW Lead connections of Deck Assembly and Main CBA Desolder From Capstan Motor Assembly Printing side Desolder From Cylinder Assembly From ACE Head Assembly Lead with blue stripe Lead with blue stripe Desolder Lead with red stripe 13 Main CBA SW507 LD SW LD SW Pin Hole Hole Shaft Cam Gear 13 Main CBA 10 Deck Assembly Pin 15 J...

Page 28: ...HOW TO EJECT MANUALLY 1 Remove the Top Case 2 Rotate the roulette in the direction of the arrow as shown below 3 Pull the tray slowly manually View for A Rotate this roulette in the direction of the arrow A DVD Mecha ...

Page 29: ...n the screen MODEL Version Region EXIT POWER EEPROM CLEAR CLEAR Fig g differ depending on the models 2 Press CLEAR C RESET button on the remote con trol unit Fig h appears on the screen MODEL Version Region EEPROM CLEAR OK EXIT POWER EEPROM CLEAR CLEAR differ depending on the models Fig h When OK appears on the screen the factory default will be set 3 To exit this mode press OPERATE button HOW TO ...

Page 30: ...0MHz 2 Alignment Tape 9HSFL6A Refer to SERVICE FIXTURE AND TOOLS section Head Switching Position Adjustment Purpose To determine the Head Switching position during playback Symptom of Misadjustment May cause Head Switching noise or vertical jitter in the picture Test point Adj Point Mode Input TP751 V OUT TP504 RF SW GND VR501 Switching Point MAIN CBA Tape Measurement Equipment Spec 9HSFL6A Oscill...

Page 31: ...ray open In this case Fig a will be shown on the screen while the tray is open 3 Load the disc for version up FIRMWARE RENEWAL MODE FIRMWARE VERSION UP 4 The DVD player enters the F W version up mode automatically Fig c appears on the screen and Fig d appears on the VFD If you enter the F W for different models Disc Error will appear on the screen then the tray will open automatically VERSION Read...

Page 32: ...n Region EXIT POWER EEPROM CLEAR CLEAR Fig g differ depending on the models 10 Press CLEAR C RESET button on the remote con trol unit Fig h appears on the screen MODEL Version Region EEPROM CLEAR OK EXIT POWER EEPROM CLEAR CLEAR differ depending on the models Fig h When OK appears on the screen the factory default will be set Then the firmware renewal mode is complete 11 To exit this mode press OP...

Page 33: ...e rectifying diode or circuit is shorted in each rectifying circuit of secondary side and service it if defective FLOW CHART NO 3 When the output voltage fluctuates No Yes Does the secondary side photo coupler circuit operate normally Check the circuit and service it if defective IC1001 D1006 D1012 D1024 Check the circuit and service it if defective IC1001 Q1004 D017 D1019 FLOW CHART NO 4 When buz...

Page 34: ... 5V voltage supplied to the collector of Q056 Replace Q056 No No Yes Yes Is the H pulse inputted to the base of Q056 Check D016 L013 C017 C018 and their periphery and service it if defective Check R058 R059 R060 and their periphery and service it if defective FLOW CHART NO 7 AL 9V is not outputted P ON 44V is outputted normally Is 12V voltage supplied to the collector of Q055 Replace Q055 No Yes Y...

Page 35: ...roximately 6V inputted to the base of Q1055 Replace Q1055 See FLOW CHART NO 11 DVD P ON 12V is not outputted Yes No The fluorescent display tube does not light up Is 3 3V voltage supplied to Pin 6 24 of IC612 Is approximately 24V to 28V voltage supplied to Pin 15 of IC612 Is there approximately 500kHz oscillation to Pin 26 of IC612 Are the filament voltage applied between Pin 1 2 and Pin 29 30 of ...

Page 36: ...t Replace the RM2001 remote control receiver Replace remote control unit if needed Check the line between the RM2001 remote control receiver and Pin 22 of CN1051 and service it if defective Is the L pulse sent out from Pin 1 terminal of the RM2001 remote control receiver when the remote control unit is activated Is the L pulse signal supplied to Pin 22 of CN1051 Replace the DVD Main CBA Yes Yes Re...

Page 37: ...IC1403 and IC1401 Yes Yes No No No No No Yes No Is 5V voltage supplied to Pin 16 of IC1401 Is 5V voltage supplied to Pin 7 of IC1401 Yes Check the line between DVD P ON 5V and AL 5V and service it if defective No Replace IC1401 Yes Check the line between Pin 2 of CN1601 and Pins 9 10 11 of IC1401 and service it if defective Yes Replace DVD Main CBA No CN1601 1PIN S Y I CN1601 10PIN S C CN1601 4PIN...

Page 38: ...t if defective IC1401 5PIN IC101 12PIN R IC1401 12PIN IC101 1PIN G IC1401 2PIN IC101 3PIN B CN2017 14PIN IC101 12PIN R CN2017 13PIN IC101 2PIN G CN2017 12PIN IC101 5PIN B No Replace IC102 Check AL 5V line and service it if defective Is 5V voltage supplied to Pin 4 12 of IC102 No No Yes Replace IC101 Check AL 5V line and service it if defective Is 5V voltage supplied to Pin 16 of IC101 No No Yes No...

Page 39: ... IC1401 15PIN Cb Pb Are the video signals shown above inputted into each pin of IC1403 and IC1401 Are the video signals outputted to each pin of IC1403 and IC1401 Yes Yes No No No No No Yes No Is 5V voltage supplied to Pin 16 of IC1401 Is 5V voltage supplied to Pin 7 of IC1401 Yes Check the line between DVD P ON 5V and AL 5V and service it if defective No Replace IC1401 Yes Check the line between ...

Page 40: ... terminal JK1401 Are the chroma signals outputted to the S OUT terminal JK1401 Yes Check the line between each pin of IC1401 and each pin of IC1402 on the Main CBA and service it if defective IC1401 3PIN IC1402 8PIN Pr Cr IC1401 13PIN IC1402 3PIN S Y I P IC1401 1PIN IC1402 6PIN Pb Cb No Replace IC1402 Check DVD P ON 5V line and service it if defective Is 5V voltage supplied to Pin 4 12 of IC1402 N...

Page 41: ...it if defective Check each line between each pin of CN1601 and each pin of IC1201 on Main CBA and service it if defective CN1601 13PIN IC1201 6PIN DVD AUDIO L CN1601 15PIN IC1201 2PIN DVD AUDIO R Are the analog audio signals inputted to each pin of IC1201 Are the analog audio signals outputted to each pin of IC1201 Are the audio signals outputted to the specific output terminal Are the audio signa...

Page 42: ...AY CH DOWN STOP EJECT Terminal voltage of IC501 7 8 KEY 1 IC501 7 KEY 2 IC501 8 V Replace the RM2001 remote control receiver Replace remote control unit if need Check the line between the RM2001 remote control receiver and the Pin 14 of IC501 and service it if defective Replace IC501 Is the L pulse sent out from Pin 1 terminal of the RM2001 remote control receiver when the remote control unit is a...

Page 43: ...e it if defective While the Takeup Reel is rotating is the reel pulse signal inputted to Pin 80 of IC501 While the reel pulse signal is inputting is L pulse outputted to Pin 81 of IC501 Is the specified voltage approximately 13V outputted to the terminal of the Lading Motor Unit When loading a cassette tape does the LD SW operate normally When loading a cassette tape is the specified voltage appro...

Page 44: ...ve Check the P ON 5V line and service it if defective Check the line between Pin 8 of CN502 and Pin 77 of IC501 and service it if defective Replace IC501 No No No No No No No No No No No Yes Yes Yes Is 5V voltage supplied to Pin 2 of CN502 Is the drum PG FG signal inputted to Pin 90 of IC501 Is the drum PG FG signal inputted to Pin 90 of IC501 Is 12V voltage supplied at Pin 1 11 of CN502 Is the RF...

Page 45: ...es Replace IC751 Replace IC501 Is approximately 5V voltage supplied to Pin 16 of IC751 or approximately 6V voltage supplied to Pin 7 of IC751 Is 5V voltage supplied to Pins 18 24 42 55 72 of IC301 Is the serial data and clock signal supplied to Pins 68 69 of IC301 Check the P ON 5V line and AL 5V line and service it if defective No Check the AL 5V line and the AL 30V line R764 D111 and service it ...

Page 46: ...below Front input terminal L ch R ch Pin 8 Pin 54 Pin 6 Pin 52 Pin 4 Pin 50 Scart jack 1 JK101 Pin 10 Pin 56 Scart jack 2 JK1402 Tuner audio signal Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No No No No No No Check the line between Pins 4 50 of IC451 and Pin 22 of tuner and service it if defective Check the line between Pin 37 38 of IC451 and Pin 71 72 of IC501 and service it if ...

Page 47: ...ted to Pin 7 of IC301 Yes Yes Replace ACE head assembly Yes Yes No No No No Check the Hi Fi H SW line between Pin 35 of IC451 and Pin 19 of IC501 and service it if defective Check the line between Pin 53 of IC451 and Pin 76 of IC301 and service it if defective Check the Bias oscillation circuit Q401 Q402 Q403 Q405 and service it if defective Replace IC451 Replace IC451 No Replace IC301 No Replace ...

Page 48: ...of ACE head assembly Is the audio signal supplied to Pin 4 of IC301 Replace IC301 Is the audio signal outputted to Pin 96 of IC301 Check the line between Pin 96 of IC301 and Pin 54 of IC451 and service it if defective Service and replace poor parts Readjust the height of the ACE head assembly Clean the surface of ACE head assembly Yes Yes Is the height of ACE head assembly appropriate Yes Replace ...

Page 49: ...ctioning correctly When reel and capstan mechanism is not functioning correctly P is displayed on a TV screen Refer to Fig 5 D is displayed on a TV screen Refer to Fig 4 C is displayed on a TV screen Refer to Fig 3 T is displayed on a TV screen Refer to Fig 2 R is displayed on a TV screen Refer to Fig 1 P ON Power safety detection When reel and capstan mechanism is not functioning correctly Fig 1 ...

Page 50: ...SW 9 AL 5V AL 5V SW507 LD SW AL 5V D555 S LED TO POWER SUPPLY BLOCK DIAGRAM TP501 SENS INH IC501 SERVO SYSTEM CONTROL LINE MUTE LINE MUTE 28 5 6 SENSOR CBA SENSOR CBA END S ST S Q504 Q503 REC SAFETY END S CTL 97 TP503 CTL TO DVD SYSTEM CONTROL SERVO BLOCK DIAGRAM DVD SECTION TO DVD VIDEO AUDIO BLOCK DIAGRAM DVD SECTION CN502 C FG C CONT D PFG C F R 90 76 87 78 LM FWD REV 81 D CONT 77 AL 20 5V 12V ...

Page 51: ...87 CHARA INS CCD 1H DELAY SP BYPASS MUTE PB EE IN2 FRONT IN1 TUNER MUTE PB EE FRONT IN2 FRONT IN2 AGC P R R Y C P R P R P EP Y DELAY Y C MIX 21 79 78 AGC VXO OSD CHARACTER MIX FBC 1 2 58 59 65 29 28 69 68 46 43 84 83 71 62 70 D REC H 80 BUFFER Q104 DVD VCR TP751 V OUT WF3 TP301 C PB WF2 VIDEO OUT MAIN CBA 54 TP504 RF SW WF1 OUTPUT SELECT DVD VIDEO TO SERVO SYSTEM CONTROL BLOCK DIAGRAM TO SERVO SYS...

Page 52: ...NTROL MUTE 11 6 PB ON SP LP ON P TUNER IN2 IN1 R ALC DET ALC IC301 AUDIO SIGNAL PROCESS 15 13 17 4 AUDIO PB REC CN504 3 A COM 1 AE H 2 AE H FE H AUDIO HEAD AUDIO ERASE HEAD ACE HEAD ASSEMBLY FE HEAD 2 FE H 1 FE H GND CN501 MAIN CBA PB AUDIO SIGNAL REC AUDIO SIGNAL Mode SP REC 71 AUDIO MUTE H IIC BUS SCL IIC BUS SDA TO SERVO SYSTEM CONTROL BLOCK DIAGRAM FULL ERASE HEAD 68 69 SERIAL DECODER DECK ASS...

Page 53: ... AMP REC AUDIO SIGNAL PB AUDIO SIGNAL Mode SP REC DVD AUDIO SIGNAL AFV CBA JK101 2 6 2 6 1 3 1 3 JK1402 TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN1 CN701 CN1 TU701 TUNER UNIT SIF OUT 22 ALC SW SW ALC 67 65 Q451 MUTE ON MUTE ON REAR FRONT JK751 Q753 Q754 AUDIO R OUT AUDIO L OUT JK754 AUDIO R IN JK753 AUDIO L IN IC751 OUTPUT SELECT 12 13 14 15 2 1 11 10 9 SW CTL VCR DVD VCR DVD OUTPUT SELECT DVD AUDIO R...

Page 54: ...0 5V 7 CL052A CL052B 1 AL 30V 3 AL 2 8V 5 AL 4V 8 F1 7 1 3 5 8 7 F2 TO PIN 67 OF IC501 TO PIN 32 OF IC501 TO PIN 66 OF IC501 IC1003 3 3V REG IC1002 1 2V REG JUNCTION CBA CN051A 1 3 5 7 1 3 5 7 9 11 13 16 15 9 11 13 16 15 FL EV 3 3V DVD P ON 3 3V EV 5V DVD P ON 5V Q1055 CL1051 SW 5V Q1052 SW 3 3V Q058 Q057 SW 5V HOT COLD CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used ...

Page 55: ... FP CLK CN401 DVD MAIN CBA UNIT DRIVE CBA IC301 SERVO DRIVE CN301 M SLED MOTOR M SPINDLE MOTOR MICRO CONTROLLER SLED MOTOR DRIVE FOCUS ACTUATOR DRIVE SPINDLE MOTOR DRIVE TRACKING ACTUATOR DRIVE 147 TRAY IN SLD 75 SPDL 76 TRACKING DRIVE 148 FOCUS DRIVE TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM FS FS TS TS TO DVD VIDEO AUDIO BLOCK DIAGRAM 57 ADAC MD 56 ADAC MC 86 ADAC ML ADAC MC ADAC ML PCM SCLK 88 AU...

Page 56: ...ODER I O PROCESSOR INST ROM DATA RAM INST ROM SERIAL D A GENERAL I O INTERRUPT CONTROLLER TIMER WATCH DOG TIMER REMOTE CONTROL 32BIT CPU STREAM I F EXTERNAL MEMORY I F ECC UMAC 114 115 116 117 132 131 134 133 129 130 126 124 125 123 83 DEBUG BCU INST RAM DATA RAM D A D A D A TO DVD VIDEO AUDIO BLOCK DIAGRAM 156 158 VIDEO Y I VIDEO C VIDEO Pr Cr VIDEO Pb Cb TO DVD VIDEO AUDIO BLOCK DIAGRAM 177 SPDI...

Page 57: ...ONTROL SERVO BLOCK DIAGRAM DVD VIDEO SIGNAL VIDEO Pb Cb ASPECT TO Hi Fi AUDIO BLOCK DIAGRAM VCR SECTION 15 7 11 JK101 DVD R DVD B DVD G JK1401 S VIDEO OUT 3 4 2 1 Y C DVD VIDEO TO VIDEO BLOCK DIAGRAM VCR SECTION IC102 VIDEO DRIVER 15 4dB AMP 2dB AMP LPF DRIVER 10 4dB AMP 2dB AMP LPF DRIVER 11 4dB AMP 2dB AMP LPF DRIVER 5 4dB AMP 2dB AMP LPF DRIVER 6 8dB AMP DRIVER 4dB AMP 2dB AMP LPF DRIVER 3 1 7 ...

Page 58: ...0 70 C SR Z Capacitors and transistors are represented by the following symbols SCHEMATIC DIAGRAMS CBA S AND TEST POINTS Notes 1 Do not use the part number shown on these draw ings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 106 3 Resistor wattages a...

Page 59: ... replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications for PLAY modes on the schematics are as shown below 2 3 1 5 0 2 5 PLAY mode STOP mode 5 0 The same voltage for both PLAY STOP modes Indicates that the voltage is not consistent here DVD Section 2 3 1 5 0 2 5 PLAY mode REC mode DVD mode 5 0 The same voltage for both PLAY...

Page 60: ...1 14 3 H9941SCM1 Main 1 9 Schematic Diagram VCR Section ...

Page 61: ...g h i i a b a b a b a b a b IC611 MATRIX CHART REPEAT TITLE GROUP VCR CHP REC SACD TRK ALL B PSCAN DVD P M HD V CD A A 5G 4G 3G 2G 1G 7G 6G a d g c b e f f i i REPEAT TITLE GROUP VCR CHP REC SACD TRK A ALL B PSCAN DVD PM HDVCD A Main 2 9 Sensor Power SW Schematic Diagram VCR Section H9941SCM2 ...

Page 62: ...1 14 5 H9941SCM3 Main 3 9 Schematic Diagram VCR Section ...

Page 63: ...1 14 6 H9941SCM4 Main 4 9 Jack B Schematic Diagram VCR Section ...

Page 64: ...1 14 7 H9941SCM5 Main 5 9 Schematic Diagram VCR Section ...

Page 65: ...1 14 8 H9941SCM6 Main 6 9 Schematic Diagram VCR Section ...

Page 66: ...1 14 9 H9941SCM7 Main 7 9 DVD Open Close Schematic Diagram VCR Section ...

Page 67: ...1 14 10 H9941SCM8 Main 8 9 Schematic Diagram VCR Section ...

Page 68: ...1 14 11 Main 9 9 Schematic Diagram VCR Section H9941SCM9 ...

Page 69: ...n check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal CAUTION For continued protection against fire hazard replace only with the same type fuse ...

Page 70: ...1 14 13 H9941SCJ Jack A Schematic Diagram VCR Section ...

Page 71: ...1 14 14 H9941SCAFV AFV Schematic Diagram VCR Section ...

Page 72: ...1 14 15 H9941SCD1 DVD Main 1 3 Schematic Diagram DVD Section 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT ...

Page 73: ...1 14 16 H9941SCD2 DVD Main 2 3 Schematic Diagram DVD Section ...

Page 74: ...51 3 2 3 0 156 3 4 3 4 188 220 252 157 0 0 189 221 253 0 0 158 0 9 0 9 190 3 4 3 5 222 0 0 254 159 3 4 3 4 191 0 0 223 255 3 4 3 4 160 0 0 192 224 256 Voltage is not consistent Not used Unit Volts PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 1 33 65 0 0 97 2 34 3 4 3 4 66 3 4 3 5 98 3 4 3 4 3 0 0 35 0 0 67 3 2 3 2 99 0 9 0 8 4 36 68 0 0 100 0 0 5 37 69 3 4 3 4 101 2 4 2 4 6 ...

Page 75: ...1 14 18 2 NOTE IC103 is not supplied separatery Be sure to replace with the DVD MAIN CBA UNIT when servicing IC103 H9941SCD3 DVD Main 3 3 Schematic Diagram DVD Section ...

Page 76: ...1 14 19 SW P VR501 CTL TP503 RF SW TP504 WF1 S INH TP501 V OUT TP751 WF3 C PB TP301 WF2 BHF300F01011A BHF300F01011B Main CBA Sensor CBA Top View VCR Section Sensor CBA Top View VCR Section BH9900F01013A ...

Page 77: ...1 14 20 PIN13OF CN1601 WF5 PIN 10 OF CN1601 WF4 PIN 8 OF CN1601 WF8 PIN 15 OF CN1601 WF6 PIN 6 OF IC1403 WF9 PIN 18 OF CN1601 WF7 Main CBA Bottom View VCR Section BH9900F01013A ...

Page 78: ...Section DVD Open Close CBA Top View DVD Open Close CBA Bottom View BH9900F01013C Jack A CBA Top View VCR Section Jack A CBA Bottom View VCR Section BH9900F01022C AFV CBA Top View VCR Section AFV CBA Bottom View VCR Section BE6800F01091 BH9900F01013B VCR Section VCR Section ...

Page 79: ...in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail Because a hot chassis ground is present in the power supply circut an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a var...

Page 80: ...1 14 23 DVD Main CBA Top View DVD Section BE6100G04012 ...

Page 81: ...1 14 24 DVD Main CBA Bottom View DVD Section BE6100G04012 ...

Page 82: ...1µs Pin 8 of CN1601 Pin 10 of CN1601 Pin 13 of CN1601 Pin 15 of CN1601 Pin 18 of CN1601 NOTE Input VCR COLOR BAR SIGNAL WITH 1KHz AUDIO SIGNAL WF1 WF3 DVD POWER ON STOP MODE WF4 WF6 CD 1kHz PLAY WF7 WF9 AUDIO R 1V 0 5ms V OUT E E 0 2V 20µs V OUT 10V 50µs RF SW 0 5V C PB RF SW 0 2V 5ms 10V VIDEO Y 0 2V 20µs VIDEO C 0 2V 20µs VIDEO CVBS 0 5V 20µs 1 15 1 H9941WF ...

Page 83: ... 1 VIDEO Y I ASPECT VIDEO Pb Cb GND GND VIDEO Y I P GND VIDEO C GND GND DVD AUDIO L DVD AUDIO R MUTE DVD AUDIO R AUDIO 5V AUDIO 5V SPDIF TO WIRING DIAGRAM DVD SECTION AFV CBA DVD OPEN CLOSE CBA SIF 1 NU 2 TU AUDIO R 3 GND 4 TU AUDIO L 5 P ON 5V 6 P ON 5V 7 IIC BUS SCL 8 IIC BUS SDA 9 1 2 3 4 5 6 7 8 9 CN701 CN1 EV 3 3V 1 DVD OPEN CLOSE 2 1 2 CN2015 CN2016 JW008 CN502 1 AL 20 5V 12V 2 P ON 5V 3 C F...

Page 84: ... 13 14 15 16 17 18 CN401 CN601 PICK UP UNIT CN201 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TS TS FS CD LD FS GND DVD PD GND CD PD PD MONI DVD LD VREF E GND B DVD P ON 5V CD DVD D A C F GND LD DETECTOR FS TS 7 9 11 2 3 6 5 4 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 EV 1 2V EV 1 2V EV 3 3V EV 3 3V EV 3 3V DVD P ON 3 3V DVD P ON 5V EV 11V EV 11V GND GND GND GND GND GND GND PWR...

Page 85: ...over SIgnal H L 16 OUT H A SW Video Head Amp Switching Pulse H L 17 IN H A COMP Head Amp Comparator Signal H L 18 OUT RF SW Video Head Switching Pulse H L 19 OUT Hi Fi H SW HiFi Audio Head Switching Pulse H L 20 NU Not Used 21 OUT DVD POWER DVD Power Control Signal H 22 NU Not Used 23 OUT POWER LED POWER LED Signal Output H L 24 NU Not Used 25 OUT TIMER LED TIMER LED Signal Output H 26 OUT REC LED...

Page 86: ...ed 62 NU Not Used Pin No Mark IN OUT Signal Name Function Active Level 63 NU Not Used 64 NU Not Used 65 NU Not Used 66 OUT C POW SW Capstan Power Switching Signal H L 67 OUT P ON H Power On Signal at High H 68 OUT DRV DATA VFD Driver IC Control Data H L 69 OUT DRV STB VFD Driver IC Chip Select Signal H L 70 OUT DRV CLK VFD Driver IC Control Clock H L 71 OUT IIC BUS SCL IIC BUS Control Clock H L 72...

Page 87: ...Monitor for CTL AMP Output PULSE 98 AMPVcc AMPVcc 99 AVcc A D Converter Power Input Standard Voltage Input 100 IN AGC IF AGC Comparator Signal A D Pin No Mark IN OUT Signal Name Function Active Level DVD Section IC612 PT6313 S TP L Pin No In Out Signal Name Name Function 1 In FP CLK Clock Input 2 In FP STB Serial Interface Strobe 3 NU Not Used NU Not Used 4 5 VSS GND 6 VDD Power Supply 7 Out a 8 O...

Page 88: ... 80 31 100 50 30 1 51 LA71750EM MPB E M3776AMCH AA5GP 16 9 8 CD4053BNSR 1 PT204 6B 12 E C 35 7 BT 298NAM 1 5 4 8 1 BR24L02F WE2 28 15 14 PT6313 S TP L 1 B1 E B2 C1 C2 RN1511 TE85R F KTC3875S Y RTK P KTC3879Y RTK C B E 60 LA72648M MPB E 21 40 41 20 1 80 61 8 5 4 1 MM1636XWRE KTA1281Y AT P KTC3203 Y AT P KTC3205 Y AT P 16 9 8 1 MM1637XVBE 4 5 3 1 2 PQ1LAX95MSPQ 1 VREF 2 GND 3 VC 4 VIN 5 VOUT EL817A ...

Page 89: ...009 JW007 JW005 JW002 JW001 2L091 2L012 2L054 2B55 B AFV CBA Main CBA Jack A CBA Jack B CBA Power Supply CBA Junction CBA 2L021 F1001 A B A A3 A7 2B5 2L012 2L041 2L041 2L041 2L041 2L041 2L041 A2 2L041 2L041 2B18 2B16 Power SW CBA 2B13 2L054 A22 A22 See Electrical Parts List for parts with this mark Some Ref Numbers are not in sequence A10 2L020 2B54 2L012 2L020 2L020 2B15 2B46 2B15 L0 9 The FFC ca...

Page 90: ...1 19 2 H9941PEX Packing Model COMPARISON OF MODELS Mark DV NC200S S DV NC200 RU DV NC200S B A B C B B X5 A14 A15 S3 S7 S2 S2 S2 S2 S1 Unit FRONT X3 X20 X2 X51 X26 X1 X4 ...

Page 91: ...AB 2B40 PARTITION PLATE H9700ED 9HS0VM306765 AH 2B51 HIMELON TAPE H9640UD 9HS1VM420379 AC 2B54 PLATE GROUND RCA H9700ED 9HS0VM306867 AC 2B55 PLATE GROUND 21P H9700ED 9HS0VM416444 AC 2L011 P TIGHT SCREW 3X8 BIND 9HSGBMP3080 AA 2L012 SCREW S TIGHT M3X6 BIND HEAD 9HSGBMS3060 AA 2L020 P TIGHT SCREW 3X8 BIND 9HSGBMP3080 AA 2L021 SCREW P TIGHT 3X12 BIND HEAD 9HSGBMP3120 AA 2L022 P TIGHT SCREW 3X8 BIND 9...

Page 92: ...Part No Code Test Tape 9HSFL6A BX Test Tape 9HSFL6HA BX Test Tape 9HSFL6NS8 BX Test Tape 9HSFL6M BX Test Tape 9HSFL6K BX Test Tape X20 C OWNERS MANUAL H9949ED 9HS1VMN20954 AQ X26 B WARRANTY CARD E56H7RD 9HS0VM305864 AD X51 B RCA PIN JACK OUT RJ 1135B 15 0300L 9HSYRS050JD001 AN ...

Page 93: ...30 Z 80 20 Separable CBAs Main CBA Power SW CBA DVD Open Close CBA Sensor CBA Main CBA DVD Open Close CBA Power SW CBA The Main CBA Power SW CBA and DVD Open Close CBA are as shown at right supplied as an all in one unit The Sensor CBA is supplied in the form of a set of several attached Sensor CBAs When using a single board separate along perforation and use POWER SUPPLY CBA JUNCTION CBA JACK A C...

Page 94: ...IC CAP 1608 B K 1000pF 50V 9HSHD1JK30B102 AA C116 CHIP CERAMIC CAP B K 2200pF 50V 9HSHD1JK30B222 AA C117 ELECTROLYTIC CAP 1µF 50V M 9HSE1JMASDL1R0 AB C118 CHIP CERAMIC CAP B K 2200pF 50V 9HSHD1JK30B222 AA C121 ELECTROLYTIC CAP 1µF 50V M H7 9HSE1JMAVSL1R0 AB C122 ELECTROLYTIC CAP 1µF 50V M H7 9HSE1JMAVSL1R0 AB C123 ELECTROLYTIC CAP 1µF 50V M H7 9HSE1JMAVSL1R0 AB C124 ELECTROLYTIC CAP 470µF 6 3V M 9...

Page 95: ...0 AA C342 CHIP CERAMIC CAP 1608 B K 1000pF 50V 9HSHD1JK30B102 AA C343 ELECTROLYTIC CAP 10µF 16V M H7 9HSE1CMAVSL100 AB C344 ELECTROLYTIC CAP 4 7µF 25V M NP H7 9HSP1EMAVSB4R7 AB C345 ELECTROLYTIC CAP 0 47µF 50V M H7 9HSE1JMAVSLR47 AC C346 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V 9HSHD1JZ30F104 AA C347 CHIP CERAMIC CAP 1608 B K 0 1µF 25V 9HSHD1EK30B104 AB C349 ELECTROLYTIC CAP 0 47µF 50V M H7 9HSE1JMAVSL...

Page 96: ...AP 1608 CH J 100pF 50V 9HSHD1JJ3CH101 AA C512 CHIP CERAMIC CAP 1608 B K 0 01µF 50V 9HSHD1JK30B103 AA C514 CHIP CERAMIC CAP CH J 330pF 50V 9HSHD1JJ3CH331 AA C515 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V 9HSHD1JZ30F104 AA C516 ELECTROLYTIC CAP 22µF 6 3V M H7 9HSE0KMASSL220 AB C517 CHIP CERAMIC CAP 1608 B K 0 022µF 50V 9HSHD1JK30B223 AB C518 ELECTROLYTIC CAP 22µF 6 3V M H7 9HSE0KMAVSL220 AB C519 CHIP CERA...

Page 97: ... M H7 9HSE1CMASSL100 AC C1205 CHIP CERAMIC CAP CH J 220pF 50V 9HSHD1JJ3CH221 AA C1206 CHIP CERAMIC CAP CH J 220pF 50V 9HSHD1JJ3CH221 AA C1207 CHIP CERAMIC CAP 1608 CH J 47pF 50V 9HSHD1JJ3CH470 AA C1208 CHIP CERAMIC CAP 1608 CH J 47pF 50V 9HSHD1JJ3CH470 AA C1221 ELECTROLYTIC CAP 10µF 16V M 9HSE1CMASDL100 AB C1222 ELECTROLYTIC CAP 10µF 16V M 9HSE1CMASDL100 AB C1245 CHIP CERAMIC CAP 1608 F Z 0 1µF 50...

Page 98: ...534A2 9HSPZZM1E534A2 AC D612 PCB JUMPER D0 6 P5 0 D613 PCB JUMPER D0 6 P5 0 D701 ZENER DIODE DZ 33BSDT265 9HSDTD00DZ33BS AB D1052 RECTIFIER DIODE 1N4005 9HSDQZ001N4005 AB D1053 RECTIFIER DIODE 1N4005 9HSDQZ001N4005 AB D1054 RECTIFIER DIODE 1N4005 9HSDQZ001N4005 AB D1057 RECTIFIER DIODE 1N4005 9HSDQZ001N4005 AB D1301 ZENER DIODE DZ 5 6BSBT265 9HSDTB0DZ5R6BS AB ICs IC101 IC ANALOG MULTIPLEXER CD4053...

Page 99: ...4 TRANSISTOR KTC3199 BL AT P 9HSQS5KTC3199P AC Q515 TRANSISTOR KTC3199 BL AT P 9HSQS5KTC3199P AC Q753 TRANSISTOR KTC3199 Y AT P 9HSQSYKTC3199P AC Q754 TRANSISTOR KTC3199 Y AT P 9HSQSYKTC3199P AC Q1052 TRANSISTOR KTC3203 Y AT P 9HSQSYKTC3203P AB Q1053 TRANSISTOR KTA1267Y AT P 9HSQSYKTA1267P AB Q1054 TRANSISTOR KTC3199 Y AT P 9HSQSYKTC3199P AC Q1055 TRANSISTOR KTC3203 Y AT P 9HSQSYKTC3203P AB Q1204 ...

Page 100: ... 1 10W J 10k Ω 9HSRXAJR5Z0103 AA R323 CHIP RES 1608 1 10W J 1 2k Ω 9HSRXAJR5Z0122 AA R324 CHIP RES 1608 1 10W J 1k Ω 9HSRXAJR5Z0102 AA R325 CHIP RES 1608 1 10W J 1 2k Ω 9HSRXAJR5Z0122 AA R326 CHIP RES 1608 1 10W J 4 7k Ω 9HSRXAJR5Z0472 AA R327 CHIP RES 1608 1 10W J 6 8k Ω 9HSRXAJR5Z0682 AA R328 CHIP RES 1608 1 10W J 1k Ω 9HSRXAJR5Z0102 AA R330 CHIP RES 1608 1 10W J 2 2k Ω 9HSRXAJR5Z0222 AA R331 CH...

Page 101: ...Ω 9HSRXAJR5Z0101 AA R483 CHIP RES 1608 1 10W J 22k Ω 9HSRXAJR5Z0223 AA R484 CHIP RES 1608 1 10W J 6 8k Ω 9HSRXAJR5Z0682 AA R501 CHIP RES 1608 1 10W J 1 8k Ω 9HSRXAJR5Z0182 AA R502 CHIP RES 1608 1 10W J 1k Ω 9HSRXAJR5Z0102 AA R503 CHIP RES 1608 1 10W J 3 9k Ω 9HSRXAJR5Z0392 AA R504 CHIP RES 1608 1 10W J 3 9k Ω 9HSRXAJR5Z0392 AA R507 CHIP RES 1608 1 10W J 1k Ω 9HSRXAJR5Z0102 AA R509 CHIP RES 1608 1 ...

Page 102: ...JR5Z0102 AA R588 CHIP RES 1608 1 10W J 470 Ω 9HSRXAJR5Z0471 AA R590 A CHIP RES 1608 1 10W J 10k Ω 9HSRXAJR5Z0103 AA R591 B C CHIP RES 1608 1 10W J 10k Ω 9HSRXAJR5Z0103 AA R601 CHIP RES 1608 1 10W J 1 8k Ω 9HSRXAJR5Z0182 AA R602 CHIP RES 1608 1 10W J 1k Ω 9HSRXAJR5Z0102 AA R603 CHIP RES 1608 1 10W J 1 2k Ω 9HSRXAJR5Z0122 AA R604 CHIP RES 1608 1 10W J 1 5k Ω 9HSRXAJR5Z0152 AA R605 CHIP RES 1608 1 10...

Page 103: ...XAJR5Z0221 AA R1228 CHIP RES 1608 1 10W J 220 Ω 9HSRXAJR5Z0221 AA R1229 CHIP RES 1608 1 10W 0 Ω 9HSRXAZR5Z0000 AA R1238 CHIP RES 1608 1 10W 0 Ω 9HSRXAZR5Z0000 AA R1240 CHIP RES 1608 1 10W J 100k Ω 9HSRXAJR5Z0104 AA R1245 CHIP RES 1608 1 10W J 10 Ω 9HSRXAJR5Z0100 AA R1352 CHIP RES 1608 1 10W J 1 8k Ω 9HSRXAJR5Z0182 AA R1353 CHIP RES 1608 1 10W J 2 2k Ω 9HSRXAJR5Z0222 AA R1354 CHIP RES 1608 1 10W J ...

Page 104: ... RCA JACK 2P MSP 282V 12 NI LF B1 9HSXRL020LY121 AD JK752 RCA JACK YELLOW MSP 281V4 B 9HSXRL010LY003 AC JK753 RCA JACK WHITE MSP 281V1 B 9HSXRL010LY005 AC JK754 RCA JACK RED MSP 281V3 A 9HSYRL010LY002 AC JW006 FFC CABLE 27P FFC P1 00 260 9HSX1H9700 001 AH JW007 FFC CABLE 18P FFC P1 00 170 9HSX1H9900 001 AF RM2001 REMOTE RECEIVER PIC 37043LO 9HSSESJRSKK041 AK PS502 PHOTO INTERRUPTER RPI 302C70 9HSP...

Page 105: ...1018 ELECTROLYTIC CAP 100µF 10V M 9HSE1AMASDL101 AC C1021 CERAMIC CAP AX F Z 0 01µF 25V 9HSDA1EZT0F103 AA C1025 CHIP CERAMIC CAP B K 0 068µF 50V 9HSHD1JK30B683 AA C1029 CERAMIC CAP AX X K 2200pF 16V 9HSCA1CKT0X222 AA C1032 ELECTROLYTIC CAP 10µF 16V M 9HSE1CMASDL100 AB C1033 CERAMIC CAP YV Z 0 022µF 50V 9HSCD1JZSYV223 AB C1035 ELECTROLYTIC CAP 470µF 6 3V M 9HSE0KMASDL471 AB C1106 ELECTROLYTIC CAP 1...

Page 106: ...Z0105 AA R1006 CARBON RES 1 4W J 1M Ω 9HSCX4JATZ0105 AA R1007 CARBON RES 1 4W J 1M Ω 9HSCX4JATZ0105 AA R1008 CARBON RES 1 4W G 680 Ω 9HSCX4GATZ0681 AA R1010 CARBON RES 1 6W J 8 2k Ω 9HSCX6JATZ0822 AA R1011 METAL OXIDE FILM RES 1W J 1 3 Ω 9HSN01JZLZ01R3 AA R1020 CHIP RES 1608 1 10W J 1 8k Ω 9HSRXAJR5Z0182 AA R1021 CHIP RES 1608 1 10W J 1k Ω 9HSRXAJR5Z0102 AA R1022 CHIP RES 1608 1 10W J 4 7k Ω 9HSRX...

Page 107: ... 10W J 75 Ω 9HSRXAJR5Z0750 AA R111 CARBON RES 1 6W J 220 Ω 9HSCX6JATZ0221 AA R114 CARBON RES 1 4W J 820 Ω 9HSCX4JATZ0821 AA R117 CARBON RES 1 4W J 510 Ω 9HSCX4JATZ0511 AA R118 CARBON RES 1 6W J 4 7k Ω 9HSCX6JATZ0472 AA R120 CARBON RES 1 4W J 68 Ω 9HSCX4JATZ0680 AA R123 CARBON RES 1 4W J 820 Ω 9HSCX4JATZ0821 AA R125 CARBON RES 1 6W J 4 7k Ω 9HSCX6JATZ0472 AA R126 CHIP RES 1608 1 10W J 75 Ω 9HSRXAJR...

Page 108: ... AC C17 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V 9HSHD1JZ30F104 AA C19 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V 9HSHD1JZ30F104 AA C20 ELECTROLYTIC CAP 3 3µF 50V M H7 9HSE1JMASSL3R3 AC C21 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V 9HSHD1JZ30F104 AA C22 ELECTROLYTIC CAP 10µF 16V M H7 9HSE1CMASSL100 AC C24 ELECTROLYTIC CAP 0 22µF 50V M H7 9HSE1JMASSLR22 AC C27 CERAMIC CAP AX F Z 0 1µF 25V 9HSCA1JZTFZ104 AB CONNECTOR...

Page 109: ...S B TABLE OF CONTENTS 1 STANDARD MAINTENANCE 2 1 1 2 SERVICE FIXTURE AND TOOLS 2 2 1 3 MECHANICAL ALIGNMENT PROCEDURES 2 3 1 4 DISASSEMBLY ASSEMBLY PROCEDURES OF DECK MECHANISM 2 4 1 5 ALIGNMENT PROCEDURES OF MECHANISM 2 5 1 6 DECK EXPLODED VIEWS 2 6 1 7 DECK PARTS LIST 2 7 1 ...

Page 110: ...g 90 ethyl alcohol 2 After cleaning the parts do all DECK ADJUSTMENTS 3 For the reference numbers listed above refer to Deck Exploded Views Cylinder Assembly Loading Motor Assembly Pulley Assembly Tension Lever Assembly ACE Head Assembly Reel S Reel T Capstan Motor Cap Belt FE Head F Brake Assembly HI Idler Assembly HI Pinch Arm Assembly M Brake SP Assembly HI M Brake TU Assembly HI LDG Belt B2 B3...

Page 111: ...e cleaning paper Do not apply this procedure for the parts other than the video head Rotate the upper drum with one hand Gently press the cleaning paper to fix with your finger and rotate the upper drum to clean Move to and for 5 times for each head Do not move the cleaning paper Parts Code Description Code ZPAPRA56 001E Cleaning Paper AW ZOiLR 02 24TE Babe Oiler Spoit AH Cleaning of ACE Head Clea...

Page 112: ...crewdriver Mirror Azimuth Adj Screwdriver Flat Screwdriver Test Tape 9HSFL6HA Available Locally Available Locally Available Locally Available Locally Azimuth and X Value Adjustment of ACE Head Adjustment of Envelope Waveform For Measurement of Hi Fi Output Level BX J 1 4 Test Tape 9HSFL6M For Measurement of Resolution BX J 1 5 Test Tape 9HSFL6K For Measurement of Audio Frequency Response Guide Rol...

Page 113: ...ons are in the Eject Position 4 Turn the LDG Belt in the appropriate direction shown in Fig M1 until the Moving guide preparations come to the Eject Position Stop turning when the prepara tions begin clicking or can not be moved further However the tape will be left wound around the cylinder 5 Turn the LDG Belt in the appropriate direction con tinuously and the cassette tape will be ejected Allow ...

Page 114: ... creasing and that there is no slack on the supply and take up side Guide Rollers Use a blank tape Adjust the height of the Guide Rollers Supply side and take up side Use a blank tape Page 2 3 3 Loading Use a blank tape Adjust the envelope Page 2 3 4 Check the envelope Adjust the Audio Section Azimuth Alignment Page 2 3 5 Check the audio output Check the following 1 X Value Page 2 3 3 2 Envelope P...

Page 115: ...r 3 and ACE Head Fig M3 and M5 4 If creasing or snaking is apparent adjust the Tilt Adj Screw of the ACE Head Fig M6 Azimuth Adj Screw Flat Screwdriver Tilt Adj Screw ACE Head Fig M6 1 B X Value Alignment Purpose To obtain maximum PB FM envelope signal at the preset position of the Tracking Control Circuit align the Horizontal Position of the ACE Head Symptom of Misalignment If the Horizontal Posi...

Page 116: ...he oscilloscope display so that the envelope becomes as flat as possible To do this adjustment turn the top of the Guide Roller with the Guide Roller Adj Screw driver 3 If the envelope is as shown in Fig M7 adjust the height of Guide Roller 2 Refer to Fig M3 so that the waveform looks like the one shown in Fig M9 4 If the envelope is as shown in Fig M8 adjust the height of Guide Roller 3 Refer to ...

Page 117: ... of pushes to ensure preset position The number of pushes CH o button to achieve 1 2 level of envelope should match the number of pushes CH p button from center If required redo the X Value Alignment 1 E Checking and Alignment of Tape Path during reversing Purpose To make sure that the tape path is well stabilized during reversing Symptom of Misalignment If the tape path is unstable during reversi...

Page 118: ...Cylinder Assembly T DM1H DM6H Desolder 3 S 2 8 8 Assembly Loading Motor T DM1H DM7H 2 S 3 Desolder LDG Belt 9 9 ACE Head Assembly T DM1H DM7H S 4 10 2 Assembly Tape Guide Arm T DM1H DM8H 1 P 2 11 10 C Door Opener T DM1H DM8H 1 S 4A L 4 12 11 Pinch Arm B T DM8H 2 DM1H DM8H 1 P 3 13 12 Assembly Pinch Arm A T DM8H 2 DM1H DM8H 1 14 14 FE Head T DM1H DM9H S 5 15 15 Prism T DM1H DM9H S 6 16 2 Slider Sha...

Page 119: ...4 38 Preparation Moving Guide S T DM1H DM16H S 11 Slide Plate 45 35 Preparation Moving Guide T T DM1H DM16H 46 19 TG Post Assembly T DM1H DM16H L 11 47 27 Rack Assembly R DM17H Sec Page 2 5 1 Refer to Alignment 48 47 F Door Opener R DM17H 49 49 Cleaner Assembly T DM1H DM6H 50 49 CL Post T DM6H L 12 6 5 4 3 2 1 7 1 Follow steps in sequence When reassembling follow the steps in reverse order These n...

Page 120: ...2 4 3 H9941DA 14 13 11 10 12 7 49 8 32 43 41 40 31 42 45 44 46 9 36 15 38 37 Fig DM1H Top View 34 19 35 25 26 24 23 27 33 20 28 22 Fig DM2H Bottom View ...

Page 121: ... Fig DM4H Pull up Slide 1 2 A 3 6 6 L 2 Pin A Hole A Pin B Hole B L 1 First insert 6 diagonally in 3 as shown below Then install 6 in 3 while pushing L 1 in a direction of arrow After installing 6 in 3 confirm that pin A of 3 enters hole A of 6 properly Installation of 3 and 6 View for A 2 1 4 Install 6 in 4 while pulling L 2 in a direction of arrow After installing 6 in 4 confirm that pin B of 4 ...

Page 122: ...th White Stripe A 8 Fig DM7H 11 13 12 10 L 4 P 3 P 2 Fig DM8H 1 Pin of 12 Pin of 10 Groove of 27 View for A When reassembling 10 and 12 confirm that pin of 10 and pin of 12 are in the groove of 27 as shown 27 Removal of 11 1 Remove screw S 4A 2 Unhook spring P 2 3 Release L 4 while holding 12 with a finger 4 Loosen a finger holding 12 and remove 11 A S 4A ...

Page 123: ...r to Fig A Fig A 13 12 P 3 Fig B Top view Install pin of 12 in groove of 27 Refer to Fig B 27 Hold 12 and 13 till groove of pin of chassis looks and fit 13 in notch of chassis Then turn a few 13 while holding 12 Refer to Fig C Fig C Groove of pin of chassis Notch of chassis turn 13 12 Install 11 and 10 while holding 12 Refer to Fig DM8H 1 Fig DM8H 2 14 15 S 6 S 5 Fig DM9H 17 16 L 5 18 P 4 S 7 Fig ...

Page 124: ...2 4 7 H9941DA 19 Cap Belt S 8 19 20 Cap Belt A Installation position of Cap Belt View for A Fig DM11H L 6 22 20 C 1 21 27 Pin on 22 Position of pin on 22 turn Fig DM12H ...

Page 125: ...n 47 First groove on 27 Align 26 and 27 as shown Pin of 36 Pin of 33 Position of Mode Lever when installed Pin of 37 Bottom View Installation of 26 When reassembling 27 meet the first groove on 27 to the first tooth on 47 as shown Fig DM13H 2 32 L 9 P 5 34 35 Refer to the Alignment Section Page 2 5 1 33 Fig DM14H ...

Page 126: ...2 4 9 H9941DA 39 L 10 37 P 6 43 38 36 42 40 41 C 6 C 7 turn turn turn Fig DM15H 44 45 46 L 11 Fig DM16H Slide Plate S 11 47 48 Slide Fig DM17H ...

Page 127: ...ment points in Eject Position Alignment 3 Alignment 1 Top View Fig AL1 Bottom View Alignment 2 ALIGNMENT PROCEDURES OF MECHANISM Alignment 1 Loading Arm SP and TU Assembly Install Loading Arm SP and TU Assembly so that their triangle marks point to each other as shown in Fig AL2 Alignment 2 Mode Gear Keeping the two triangles pointing at each other install the Loading Arm SP Assembly so that the l...

Page 128: ...CK EXPLODED VIEWS Deck Mechanism View 1 Some Ref Numbers are not in sequence B12 B492 B11 B571 B37 B126 B8 B121 L1450 L1450 B86 L1466 B501 L1051 B410 B411 B494 B567 L1053 B74 L1467 B553 B10 L1191 B73 B9 B2 L1322 B5 B35 ...

Page 129: ...6 B52 B507 B559 B581 B583 B580 B582 B578 B579 B133 B551 Some Ref Numbers are not in sequence B488 B491 B513 L1151 B525 B31 L1406 B558 B557 B592 B148 B522 B521 B590 B573 B574 B591 B416 B518 B564 B585 B595 B487 B587 B508 B414 B572 B565 B568 B417 B3 ...

Page 130: ...2 6 3 H9941DEX Deck Mechanism View 3 L1341 L1321 B347 L1321 B355 B354 B482 B483 B425 B303 B555 B563 B300 B562 B514 B313 Some Ref Numbers are not in sequence B361 B359 B360 B529 ...

Page 131: ...414644 AB B414 M BRAKE SP ASSEMBLY HI MK12 9HS0VSA13655 AH B416 M BRAKE TU ASSEMBLY HI MK12 9HS0VSA13449 AH B417 TENSION SPG 3002645 MK12 9HS0VM414221F AB B425 LOCK LEVER SPRING MK10 9HS0VM411110 AA B482 CASSETTE PLATE MK12 9HS0VM203749 AC B483 LOCK LEVER MK12 9HS0VM414095 AB B487 BAND BRAKE SP MK12 5 9HS1VM320582 AC B488 MODE LEVER HI MK12 9HS0VM101175J AD B491 CAM GEAR A HI MK12 9HS0VM101176G AC...

Page 132: ...E AB B591 BAND BRAKE TU MK12 9HS0VM305724C AC B592 TG POST MK10 9HS0VM411108E AB B595 PSW 3957505 MK10 9HS0VM411741A AB L1051 SCREW B TIGHT M2 6X6 PAN HEAD 9HSGPMB9060 AA L1053 SCREW S TIGHT M2 6X8 WASHER HEAD 9HSGCMS9080 AA L1151 SCREW SEMS M2 6X4 PAN HEAD 9HSCPM39040 AA L1191 SCREW S TIGHT M2 6X8 WASHER HEAD 9HSGCMS9080 AA L1321 SCREW S TIGHT M3X6 BIND HEAD 9HSGBMS3060 AA L1322 SCREW B TIGHT M2 ...

Page 133: ...RATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan COPYRIGHT 2005 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher Jun 2005 Printed in JAPAN ...

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