Sharp DV-NC100X Service Manual Download Page 96

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2-2-1

H9740FIX

SERVICE FIXTURE AND TOOLS

J-1-1, J-1-2, J-1-3, J-1-4, J-1-5

J-2

J-3

J-4

J-5

J-1-1

J-1-2

J-2

9HSFL6A

9HSFL6NS8

---

J-3

J-4

J-5

Head Adjustment of ACE Head

J-1-3

Test Tape

Ref.

No.

Name

Parts No.

Code

Adjustment

Test Tape

Guide Roller Adj.
Screwdriver

Mirror

Azimuth Adj.
Screw

Flat Screwdriver

Test Tape

9HSFL6HA

Available Locally

Azimuth and X Value Adjustment of ACE Head /
Adjustment of Envelope Waveform

For Measurement of Hi-Fi Output Level

J-1-4 Test Tape

9HSFL6M

For Measurement of Resolution

J-1-5 Test Tape

9HSFL6K

For Measurement of Audio Frequency Response

Guide Roller

ACE Head Height

Tape Transportation Check

X Value

Summary of Contents for DV-NC100X

Page 1: ...G 1 5 1 6 OPERATING CONTROLS AND FUNCTIONS 1 6 1 7 CABINET DISASSEMBLY INSTRUCTIONS 1 7 1 8 ELECTRICAL ADJUSTMENT INSTRUCTIONS 1 8 1 9 FIRMWARE RENEWAL MODE 1 9 1 10 TROUBLESHOOTING 1 10 1 11 BLOCK DIAGRAMS 1 11 1 12 FUNCTION INDICATOR SYMBOLS 1 11 9 13 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 1 12 1 14 WAVEFORMS 1 13 1 15 WIRING DIAGRAM 1 14 1 16 IC PIN FUNCTION DESCRIPTIONS 1 15 1 17 LEAD IDENTI...

Page 2: ...TIONS 1 6 1 7 CABINET DISASSEMBLY INSTRUCTIONS 1 7 1 8 ELECTRICAL ADJUSTMENT INSTRUCTIONS 1 8 1 9 FIRMWARE RENEWAL MODE 1 9 1 10 TROUBLESHOOTING 1 10 1 11 BLOCK DIAGRAMS 1 11 1 12 FUNCTION INDICATOR SYMBOLS 1 11 9 13 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 1 12 1 14 WAVEFORMS 1 13 1 15 WIRING DIAGRAM 1 14 1 16 IC PIN FUNCTION DESCRIPTIONS 1 15 1 17 LEAD IDENTIFICATIONS 1 16 1 18 EXPLODED VIEWS 1 ...

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: ...mption 21 W Standby 5 W 6 Weight 6 84 lbs 3 2kg 7 Dimension 435 mm X 94 mm X 233 mm ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Video Output 75 Ω Vpp 1 0 0 1 2 Coaxial Digital Out mVpp 500 3 Audio PCM 3 1 Output Level 1 kHz 0 dB Vrm 2 0 3 2 S N dB 110 3 3 Freq Response DVD fs 48 kHz 20 22 kHz dB 1 5 CD fs 44 1 kHz 20 22 kHz dB 1 5 3 4 THD N DVD 1k Hz 0 dB 0 01 CD 1k Hz 0 dB 0 01 DVD Section ...

Page 5: ...am is emitted from the location shown in the figure When checking 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 Mecha Assembly Laser Beam Radiation Laser ...

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 ranch 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 m...

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 the...

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...

Page 12: ...udio visual source laser disc player video disc player etc here 21 MAIN AC Power Cord Connect to a standard AC plug 22 OPTICAL DIGITAL AUDIO OUT Jack DVD Only Connect to a compatible Dolby Digital receiver Use to con nect to a Dolby Digital decoder DTS decoder or MPEG decoder 23 COAXIAL DIGITAL AUDIO OUT Jack DVD Only Connect to a compatible Dolby Digital receiver Use to con nect to a Dolby Digita...

Page 13: ...change the camera angle to see the sequence being played back from a different angle DVD 4 SUBTITLE Button Press to select a desired subtitle language or to change the Panel Display settings DVD 5 ZOOM Button Enlarges part of a DVD reproduced image 6 VCR Button Press to select VCR output mode and to use the remote control in VCR mode 7 TITLE Button Displays the title menu 8 ARROW Buttons up down l...

Page 14: ...n playing back in slow mode DVD or Video CD Lights up when the inserted disc comes to a pause Displays the elapsed time of the title or track The number of a new title chapter or track is displayed when a chapter or track is switched No disc inserted or cannot read Tray open Tray closed Loading the Disc Lights up when the playback control is activated REC Lights up during playback when the repeat ...

Page 15: ...7 S 1 2 Front D2 3 L 1 3 L 2 1 Assembly 1 1 1 2 3 Top D2 3 S 2 Bracket 4 DVD D3 4 S 3 CN401 Mecha CN601 Assembly 5 Partition D3 2 S 4 Plate 6 Loader D3 2 S 5 Holder 1 Top Case 2 Front Assembly 3 Top Bracket 4 DVD Mecha Assembly 7 DVD Main CBA Unit 5 Partition Plate 6 Loader Holder 10 Jack Cover 12 Jack Cover RCA 11 Earth Plate 8 VCR Chassis Unit 9 Deck Assembly 15 DVD Open Close CBA 13 Main CBA 14...

Page 16: ... 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 D4 CAUTION 3 When reassembling confirm the FFC cable CN201 is connected completely Then remove the solder from the three short lands of FPC cable Fig D4 4 When reassembling solder wire jumpers as shown in Fig D6 5 Before installing the Deck Assembly b...

Page 17: ...1 S 6 S 6 A 7 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 Fig D4 S 11 S 11 S 10 S 9 S 7 S 8 Fig D5 8 VCR Chassis Unit ...

Page 18: ...Desolder Desolder Lead with blue stripe 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 9 Deck Assembly...

Page 19: ... 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 with a hand A View for A Rotate this roulette in the direction of the arrow A DVD Mecha ...

Page 20: ...C 20MHz 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 Osc...

Page 21: ...c Error will appear on the screen then the tray will open automatically VERSION D5 _ ab5 Reading 2 F W Version Up Mode Model No VERSION Fig c Programming Mode Screen differ depending on the models Fig d VFD in Programming Mode Example FIRMWARE RENEWAL MODE The appearance shown in 2 of Fig c is described as follows Appearance No State Reading Sending files into the memory Erasing Erasing previous v...

Page 22: ...ig 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 OPERATE button ...

Page 23: ...at the 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 Whe...

Page 24: ...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 AL 12V is not outputted P ON 44V is outputted normally Is 12V voltage supplied to the collector of Q055 Replace Q055 No Ye...

Page 25: ... approximately 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 1 2 and 29 30 of the ...

Page 26: ...emote 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 Replace DVD Main CBA Yes Yes Is 5V voltage supplied to Pin 3 terminal of the RM2001 remote control receiver Yes No Check...

Page 27: ... Main CBA Original DVD Main CBA is poor Replace the DVD Mechanism No improvement can be found No FLOW CHART NO 6 Both picture and sound do not operate normally Yes Replace the DVD Main CBA Original DVD Main CBA is poor Replace the DVD Mechanism No improvement can be found No ...

Page 28: ...IN S Y CN1601 10PIN IC1402 1PIN S C CN1601 6PIN IC1402 6PIN Cb CN1601 4PIN IC1402 8PIN Cr Are the video signals shown above inputted into each pin of IC1402 Are the video signals outputted to each pin of IC1402 Are the video signals outputted to the specific output terminal Are the component video signals outputted to the VIDEO OUT terminal JK1403 Are the luminance signals outputted to the S OUT t...

Page 29: ...t if defective Check each line between each pin of CN1601 and each pin of IC1201 on Main CBA and service it if defective CN1601 14PIN IC1201 2PIN AUDIO L CN1601 16PIN IC1201 6PIN AUDIO R Are the analog audio signals inputted to each pin of IC1201 Are the analog audio signals inputted to each pin of IC1201 Are the audio signals outputted to the specific output terminal Are the audio signals outputt...

Page 30: ... 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 act...

Page 31: ...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 32: ...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 33: ...supplied to Pin 7 of IC751 Is 5V voltage supplied to Pins 16 40 of IC301 Is the serial data and clock signal supplied to Pins 23 24 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 R760 R761 and service it if defective Check the line between Pin 28 of IC301 and Pin 58 of IC501 and service it if defective Check the line between P...

Page 34: ... R ch Pin 63 Pin 49 Pin 61 Pin 52 Pin 6 Pin 44 Rear input terminal 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 Check the line between Pin 6 44 of IC451 and Pin 22 of tuner and service it if defective Check the line between Pins 31 32 of IC451 and Pins 71 72 of IC501 and service it if defective Check the line between Pin 8 of IC451 and Pin 83 of IC...

Page 35: ...utputted to Pin 7 of IC301 Yes Yes Replace ACE head 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 CN50...

Page 36: ...o dirt on the surface of ACE head 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 Clean the surface of ACE head Yes Yes Is the height of ACE head appropriate Yes Replace the ACE head Y...

Page 37: ... DVD POWER 58 C SYNC DVD POWER C SYNC OUTPUT SELECT IIC BUS SCL 71 LD SW REMOTE VIDEO 9 AL 5V AL 5V SW507 LD SW AL 5V D555 S LED TO POWER SUPPLY BLOCK DIAGRAM TP501 SENS INH CAPSTAN MOTOR IC501 SERVO SYSTEM CONTROL A MUTE H 5 6 SENSOR CBA SENSOR CBA END S ST S Q504 Q503 REC SAFETY END S CTL 97 TP503 CTL 79 23 POWER SW651 POWER TO DVD SYSTEM CONTROL BLOCK DIAGRAM DVD SECTION TO DVD SYSTEM CONTROL B...

Page 38: ...V SYNC RF SW H A SW VIDEO L 1 HEAD VIDEO L 2 HEAD VIDEO R 2 HEAD V L 2 V COM V R 2 4 5 6 TU701 IC301 Y C SIGNAL PROCESS IC501 OSD REC VIDEO SIGNAL SERIAL DECORDER 24 6 50 52 91 90 88 85 84 82 SP EP 74 OSD CHARACTER MIX 29 23 24 94 28 10 27 11 D REC H 30 BUFFER Q305 DVD VCR TP751 V OUT WF3 TP301 C PB WF2 TU VIDEO VIDEO MAIN CBA TP504 RF SW WF1 OUTPUT SELECT DVD VIDEO TO SERVO SYSTEM CONTROL BLOCK D...

Page 39: ...00 1 2 LINE AMP MUTE 96 3 PB ON SP LP ON P R ALC IC301 AUDIO PROCESS 76 4 A PB REC CN504 3 A COM 1 AE H 2 AE H FE H AUDIO HEAD AUDIO ERASE HEAD AC HEAD ASSEMBLY FE HEAD 1 FE H 2 FE H GND CN501 MAIN CBA PB AUDIO SIGNAL REC AUDIO SIGNAL Mode SP REC 10 D REC H A MUTE H FULL ERASE HEAD 23 24 SERIAL DECODER DECK ASSEMBLY LINE1 LINE2 80 A IN F IIC BUS SCL IIC BUS SDA TO SERVO SYSTEM CONTROL BLOCK DIAGRA...

Page 40: ... MAIN CBA Hi Fi A R 7 Hi Fi COM 8 Hi Fi A L 9 CN251 IC451 MTS SAP Hi Fi AUDIO PROCESS Hi Fi HEAD AMP REC AUDIO SIGNAL PB AUDIO SIGNAL Mode SP REC DVD AUDIO SIGNAL AFV CBA TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN1 CN701 CN1 TU701 TUNER UNIT SIF AUDIO 22 2 MUTE ON MUTE ON REAR TO DVD VIDEO AUDIO BLOCK DIAGRAM DVD SECTION FRONT JK756 A IN R A IN L A OUT L A OUT R JK751 IC751 OUTPUT SELECT 12 13 14 15 2...

Page 41: ...P ON 12V Q057 FROM PIN 67 OF IC501 TO PIN 86 OF IC501 CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE T1 6A L 250V FUSE NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in...

Page 42: ...OSE 2 DVD OPEN CLOSE CBA SW2021 STOP SW2022 PLAY 82 FP STB 60 FP DIN 67 REMOTE DVD 59 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 VIDE...

Page 43: ...U I F READ MEMORY DATA RAM DSP DECODER 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 SDRAM 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 TO DVD VIDEO AUDIO BLOCK DIAGRAM 158 Y C VIDEO Y VIDEO C TO DVD VIDEO AUDIO BLOCK DIAGRAM 17...

Page 44: ...E L A MUTE R PCM BCK SPDIF PCM DATA0 PCM LRCLK ADAC MD ADAC MC ADAC ML PCM SCLK MAIN CBA DVD MAIN CBA UNIT DVD AUDIO SIGNAL DATA AUDIO SIGNAL 19 19 SPDIF A MUTE 3 3V Q1204 W F 9 3 W F 7 W F 8 DVD VIDEO SIGNAL TO Hi Fi AUDIO BLOCK DIAGRAM VCR SECTION 6 CN601 CN1601 10 10 VIDEO C VIDEO C FROM DIGITAL SIGNAL PROCESS BLOCK DIAGRAM JK1401 S VIDEO OUT 3 4 2 1 Y C DVD VIDEO TO VIDEO BLOCK DIAGRAM VCR SEC...

Page 45: ...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 46: ...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 47: ...d units use only original 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 s...

Page 48: ...1 12 3 1 12 4 H9745SCM1 Main 1 8 Schematic Diagram VCR Section ...

Page 49: ...G 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 7G 6G 5G 4G 3G 2G 1G a b c d e f g c d e f f g c d e f g c d e f g c d e f g c d e f 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 ...

Page 50: ...Main 3 8 Schematic Diagram VCR Section 1 12 7 1 12 8 H9745SCM3 ...

Page 51: ...Main 4 8 Schematic Diagram VCR Section 1 12 9 1 12 10 H9745SCM4 ...

Page 52: ...1 12 11 1 12 12 H9745SCM5 Main 5 8 Schematic Diagram VCR Section ...

Page 53: ...Main 6 8 DVD Open Close Schematic Diagram VCR Section 1 12 13 1 12 14 H9745SCM6 ...

Page 54: ...on against fire hazard replace only with the same type fuse CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown 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 ...

Page 55: ...Main 8 8 Schematic Diagram VCR Section 1 12 17 1 12 18 H9745SCM8 ...

Page 56: ...AFV Schematic Diagram VCR Section 1 12 19 1 12 20 H9745SCAFV ...

Page 57: ...1 12 21 1 12 22 H9745SCD1 DVD Main 1 3 Schematic Diagram DVD Section ...

Page 58: ...1 12 23 1 12 24 H9745SCD2 DVD Main 2 3 Schematic Diagram DVD Section ...

Page 59: ...6 0 1 0 1 31 63 0 0 95 127 2 3 2 3 32 64 0 0 96 128 1 7 1 7 PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 129 2 3 2 3 161 3 4 3 4 193 225 3 4 3 4 130 2 3 2 3 162 0 0 194 226 131 2 3 2 3 163 1 8 1 8 195 227 132 2 4 2 3 164 0 0 196 3 4 3 4 228 133 2 4 2 4 165 1 7 1 8 197 229 0 0 134 2 4 2 4 166 1 7 1 7 198 230 135 2 3 2 3 167 3 4 3 4 199 231 3 4 3 4 136 2 3 2 3 168 0 0 200 232 ...

Page 60: ...1 12 27 1 12 28 H9745SCD3 DVD Main 3 3 Schematic Diagram DVD Section Note IC103 is not supplied separately Be sure to replace with the DVD Main CBA unit when servicing IC103 ...

Page 61: ...T TP751 WF3 SW P VR501 CTL TP503 RF SW TP504 WF1 S INH TP501 C PB TP301 WF2 Main CBA Sensor CBA Top View VCR Section BHF300F01011A BHF300F01011B 1 12 29 1 12 30 BH97A0F01011A Sensor CBA Top View VCR Section ...

Page 62: ...PIN14OF CN1601 WF5 PIN 10 OF CN1601 WF4 PIN 8 OF CN1601 WF8 PIN 16 OF CN1601 WF6 PIN 14 OF IC1402 WF9 PIN 19 OF CN1601 WF7 Main CBA Bottom View VCR Section BH97A0F01011A 1 12 31 1 12 32 ...

Page 63: ...0F01011B BHC400F01093 Power SW CBA Top View VCR Section Power SW CBA Bottom View VCR Section DVD Open Close CBA Top View VCR Section DVD Open Close CBA Bottom View VCR Section AFV CBA Top View VCR Section AFV CBA Bottom View VCR Section ...

Page 64: ...1 12 36 BE5900G04012 1 12 35 DVD MAIN CBA Top View DVD Section ...

Page 65: ...1 12 37 1 12 38 BE5900G04012 DVD MAIN CBA Bottom View DVD Section ...

Page 66: ...1 TP751 TP504 UPPER LOWER TP504 TP301 WF4 WF6 Pin 14 of IC1402 WF5 VIDEO Y 0 2V 20µs VIDEO C 0 2V 20µs DVD VIDEO 0 5V 20µs WF7 DVD A L 1V 0 5ms WF8 DVD A R 1V WF9 SPDIF 1V 0 1µs Pin 8 of CN1601 Pin 10 of CN1601 Pin 14 of CN1601 Pin 16 of CN1601 Pin 19 of CN1601 NOTE Input VCR COLOR BAR SIGNAL WF1 WF3 DVD POWER ON STOP MODE WF4 WF6 CD 1kHz PLAY WF7 WF9 0 5ms ...

Page 67: ...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 DVD OPEN CLOSE 1 EV 3 3V 2 1 2 CN2015 CN2016 JW008 CN502 1 AL 12V 2 P ON 5V 3 C FG 4 C F R 5 C CONT 6 GND 7 LM FWD REV 8 D CONT 9 D PFG 10 GND 11 AL 12V 2 12 P ON 15V AC CORD M CAPSTAN MOTOR M DRUM MOTOR PG SENSOR FE H 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17...

Page 68: ...20 REMOTE DVD FP DOUT 21 22 DVD POWER 23 DVD PLAY DVD OPEN CLOSE 24 25 OUTPUT SELECT DVD STOP 26 27 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 P ON 5V CD DVD D A C F GND LD DETECTOR FS TS 7 9 11 2 3 6 5 4 TO WIRING DIAGRAM VCR SECTION 4 SP 3 SP 6 GND 5 TRAY IN 8 SL 7 SL 8 9 10 11 12 13 14 15 1...

Page 69: ...Switching Pulse H L 20 NU Not Used 21 NU Not Used 22 NU Not Used 23 OUT POWER LED POWER LED Signal Output H L 24 OUT POWER LED POWER LED Signal Output H L 25 NU Not Used 26 NU Not Used 27 OUT TIMER LED TIMER LED Signal Output H 28 OUT TIMER LED TIMER LED Signal Output H 29 OUT REC LED Recording LED Control Signal 30 OUT REC LED Recording LED Control Signal 31 IN REC SAF SW Recording Safety SW Dete...

Page 70: ...itor Signal P off L P on H H L 76 OUT C CONT Capstan Motor Control Signal PWM 77 OUT D CONT Drum Motor Control Signal PWM 78 OUT C F R Capstan Motor FWD REV Control Signal FWD L REV H H L 79 OUT OUTPUT SELECT Output Select H L 80 IN T REEL Take Up Reel Rotation Signal PULSE 81 OUT LM FWD REV Loading Motor Control Signal H L Hi z Pin No IN OUT Signal Name Function Active Level 82 NU Not Used 83 OUT...

Page 71: ... NU Not Used NU Not Used 4 5 VSS GND 6 VDD Power Supply 7 Out a 8 Out Out b 9 c 10 Out Out Out d 11 Out e Segment Output 12 f 13 g 14 Out h 15 VEE Pull Down Level 16 i Segment Output 17 Out Out 7G Grid Output 18 6G 19 5G 20 4G 21 3G 22 2G 23 1G 24 VDD Power Supply 25 VSS GND 26 In OSC Oscillator Input 27 28 In FP DIN Serial Data Input NU Not Used ...

Page 72: ...8 5 KIA4558P 81 80 31 100 50 30 1 51 LA71584M M3776AMCA AC3GP Part No 9HSSZAB0RMB197 16 9 8 TC4053BF N 1 PT204 6B 12 E C 35 7 BT 298NA 1 5 4 8 1 CAT24WC02JI 28 15 14 PT6313 S TP 1 B1 E B2 C1 C2 FMG4A T148 KTC3875Y RTK C B E 60 LA72638M 21 40 41 20 1 80 61 16 9 8 1 MM1637XVBE 1 2 3 3 4 5 PQ070XZ5MZP 1 Vin 2 Vc 3 Vo 4 Vadj 5 GND 1 2 3 6 4 5 BA3948FP E2 1 CTL 2 Vcc 3 N C 4 OUT 5 C 6 GND 2SC1815 GR TP...

Page 73: ...in CBA Unit 2L021 2B15 AC1001 See Electrical Parts List for parts with this mark Some Ref Numbers are not in sequence A10 2B40 2L022 2L022 2L053 2B33 2B3 2L011 Sensor CBA Sensor CBA A4 A5 2B15 DVD Open Close CBA Power SW CBA JW001 JW004 JW003 2L091 2L054 2L054 2L012 2L023 2L082 B Main CBA 2B13 2L062 A 2L062 F1001 JW002 2B11 2B18 AFV CBA 1B1 2L071 2L071 2L071 2L071 2B9 2B17 2B52 2L24 2L24 ...

Page 74: ...1 17 3 H9745PEX Packing S3 S7 Tape S2 S2 S2 S2 S1 Unit FRONT X3 X5 X20 X2 X1 X4 A14 ...

Page 75: ...9HS0VM404993 AC 2B40 PARTITION PLATE H9600UD 9HS0VM306677 AD 2B51 HIMELON TAPE H9640UD 9HS1VM420379 AC 2L011 P TIGHT SCREW 3X8 BIND 9HSGBMP3080 AA 2L012 SCREW S TIGHT M3X6 BIND HEAD 9HSGBMS3060 AA 2L021 SCREW P TIGHT 3X12 BIND HEAD 9HSGBMP3120 AA 2L022 P TIGHT SCREW 3X8 BIND 9HSGBMP3080 AA 2L023 P TIGHT SCREW 3X8 BIND 9HSGBMP3080 AA 2L041 SCREW P TIGHT 3X6 BIND HEAD 9HSGBCP3060 AA 2L051 SCREW P TI...

Page 76: ...1CZ30F104 AA C117 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C118 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C119 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C120 CHIP CERAMIC CAP 1608 B K 1µF 10V 9HSHD1AK30B105 AC C121 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C122 CHIP CERAMIC CAP 1005 B K 0 1µF 10V 9HSHB1AK30B104 AA C123 CHIP ELECTROLYTIC CAP 330µF 6 ...

Page 77: ...K 0 047µF 16V 9HSHB1CK30B473 AA C289 CHIP CERAMIC CAP 1005 B K 0 047µF 16V 9HSHB1CK30B473 AA C301 CHIP CERAMIC CAP 1005 B K 0 1µF 10V 9HSHB1AK30B104 AA C302 CHIP CERAMIC CAP 1005 B K 820pF 50V 9HSHB1JK30B821 AA C303 CHIP CERAMIC CAP 1005 CH J 68pF 50V 9HSHB1JJ3CH680 AA C305 CHIP CERAMIC CAP 1005 B K 6800pF 25V 9HSHB1EK30B682 AA C308 CHIP CERAMIC CAP 1005 B K 0 039µF 16V 9HSHB1CK30B393 AA C310 CHIP...

Page 78: ...C658 CHIP ELECTROLYTIC CAP 100µF 6 3V M WR 9HSA0K101NC180 AC C901 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C902 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C904 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C905 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C910 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HSHB1CZ30F104 AA C913 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V 9HS...

Page 79: ... 9HSRXGJR4Z0105 AA R203 CHIP RES 1005 1 16W J 3 3k Ω 9HSRXGJR4Z0332 AA R206 CHIP RES 1005 1 16W J 0 Ω 9HSRXGJR4Z0000 AA R208 CHIP RES 1005 1 16W J 0 Ω 9HSRXGJR4Z0000 AA R213 CHIP RES 1005 1 16W J 1k Ω 9HSRXGJR4Z0102 AA R214 CHIP RES 1005 1 16W J 1k Ω 9HSRXGJR4Z0102 AA R217 CHIP RES 1005 1 16W J 0 Ω 9HSRXGJR4Z0000 AA R218 CHIP RES 1005 1 16W J 0 Ω 9HSRXGJR4Z0000 AA R219 CHIP RES 1005 1 16W J 0 Ω 9H...

Page 80: ...005 1 16W J 0 Ω 9HSRXGJR4Z0000 AA R334 CHIP RES 1005 1 16W J 0 Ω 9HSRXGJR4Z0000 AA R402 CHIP RES 1005 1 16W J 1k Ω 9HSRXGJR4Z0102 AA R403 CHIP RES 1005 1 16W J 220 Ω 9HSRXGJR4Z0221 AA R404 CHIP RES 1005 1 16W J 220 Ω 9HSRXGJR4Z0221 AA R405 CHIP RES 1005 1 16W J 220 Ω 9HSRXGJR4Z0221 AA R406 CHIP RES 1005 1 16W J 1k Ω 9HSRXGJR4Z0102 AA R407 CHIP RES 1005 1 16W J 1k Ω 9HSRXGJR4Z0102 AA R408 CHIP RES ...

Page 81: ...P CERAMIC CAP 1608 CH J 390pF 50V 9HSHD1JJ3CH391 AA C311 ELECTROLYTIC CAP 3 3µF 25V M H7 9HSE1EMAVSL3R3 AB C312 CHIP CERAMIC CAP 1608 CH J 47pF 50V 9HSHD1JJ3CH470 AA C313 CHIP CERAMIC CAP 1608 CH D 10pF 50V 9HSHD1JD3CH100 AA C314 CHIP CERAMIC CAP CH J 180pF 50V 9HSHD1JJ3CH181 AA C315 CHIP CERAMIC CAP 1608 B K 0 01µF 50V 9HSHD1JK30B103 AA C318 ELECTROLYTIC CAP 2 2µF 50V M NP H7 9HSP1JMAVSB2R2 AB C3...

Page 82: ...7µF 25V M H7 9HSE1EMAVSL4R7 AB C455 CHIP CERAMIC CAP 1608 B K 0 01µF 50V 9HSHD1JK30B103 AA C456 ELECTROLYTIC CAP 22µF 10V M H7 9HSE1AMAVSL220 AB C457 ELECTROLYTIC CAP 22µF 10V M H7 9HSE1AMAVSL220 AB C458 CHIP CERAMIC CAP 1608 B K 4700pF 50V 9HSHD1JK30B472 AA C459 CHIP CERAMIC CAP 1608 B K 3300pF 50V 9HSHD1JK30B332 AA C461 CHIP CERAMIC CAP 1608 CH J 100pF 50V 9HSHD1JJ3CH101 AA C462 CHIP CERAMIC CAP...

Page 83: ... 1µF 50V 9HSHD1JZ30F104 AA C615 ELECTROLYTIC CAP 100µF 6 3V H7 9HSE0KMAVSL101 AB C701 CHIP CERAMIC CAP 1608 B K 0 047µF 50V 9HSHD1JK30B473 AA C702 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V 9HSHD1JZ30F104 AA C703 CHIP CERAMIC CAP CH J 39pF 50V 9HSHD1JJ3CH390 AA C704 CHIP CERAMIC CAP 1608 B K 0 01µF 50V 9HSHD1JK30B103 AA C705 ELECTROLYTIC CAP 100µF 6 3V H7 9HSE0KMAVSL101 AB C711 CHIP CERAMIC CAP 1608 F Z ...

Page 84: ...AB C1481 ELECTROLYTIC CAP 1µF 50V M 9HSE1JMASDL1R0 AB C1482 ELECTROLYTIC CAP 470µF 6 3V M 9HSE0KMASDL471 AB C1522 ELECTROLYTIC CAP 10µF 16V M H7 9HSE1CMAVSL100 AB C1523 CHIP CERAMIC CAP 1608 F Z 0 1µF 50V 9HSHD1JZ30F104 AA C1524 ELECTROLYTIC CAP 100µF 6 3V H7 9HSE0KMAVSL101 AB C1531 CHIP CERAMIC CAP 1608 B K 0 01µF 50V 9HSHD1JK30B103 AA C1532 ELECTROLYTIC CAP 22µF 6 3V M H7 9HSE0KMAVSL220 AB C2002...

Page 85: ...404 IC SWITCH TC4053BF N 9HSSMBA0STS002 AF COILS L010 CHOKE COIL 47µH K 9HSLBD00PKV007 AC L013 CHOKE COIL 47µH K 9HSLBD00PKV007 AC L053 INDUCTOR 100µH K LAP02TA101K 9HSLAXKATTU101 AB L251 INDUCTOR 5 6µH K 26T 9HSLAXKATTU5R6 AB L301 INDUCTOR 15µH K 26T 9HSLAXKATTU150 AC L302 INDUCTOR 47µH K 26T 9HSLAXKATTU470 AC L303 INDUCTOR 39µH K 26T 9HSLAXKATTU390 AC L304 INDUCTOR 100µH K LAP02TA101K 9HSLAXKATT...

Page 86: ...RES 1 4W J 8 2k Ω 9HSCX4JATZ0822 AA R062 CHIP RES 1608 1 10W J 180 Ω 9HSRXAJR5Z0181 AA R064 CARBON RES 1 4W J 8 2k Ω 9HSCX4JATZ0822 AA R065 CHIP RES 1608 1 10W J 22k Ω 9HSRXAJR5Z0223 AA R066 PCB JUMPER D0 6 P5 0 9HSJW5 0T AL R068 CARBON RES 1 4W J 1 8k Ω 9HSCX4JATZ0182 AA R069 CARBON RES 1 4W J 1 8k Ω 9HSCX4JATZ0182 AA R070 CARBON RES 1 6W J 820 Ω 9HSCX6JATZ0821 AA R072 CARBON RES 1 6W J 1 Ω 9HSCX...

Page 87: ...R425 CHIP RES 1608 1 10W J 2 2M Ω 9HSRXAJR5Z0225 AA R432 CHIP RES 1608 1 10W 0 Ω 9HSRXAZR5Z0000 AA R451 CHIP RES 1608 1 10W J 6 8k Ω 9HSRXAJR5Z0682 AA R452 CHIP RES 1608 1 10W J 39k Ω 9HSRXAJR5Z0393 AA R453 CHIP RES 1608 1 10W J 470 Ω 9HSRXAJR5Z0471 AA R454 CHIP RES 1608 1 10W J 2 7k Ω 9HSRXAJR5Z0272 AA R455 CHIP RES 1608 1 10W J 220k Ω 9HSRXAJR5Z0224 AA R456 CHIP RES 1608 1 10W 0 Ω 9HSRXAZR5Z0000...

Page 88: ... R570 CARBON RES 1 6W J 4 7k Ω 9HSCX6JATZ0472 AA R572 CHIP RES 1608 1 10W J 1k Ω 9HSRXAJR5Z0102 AA R574 CHIP RES 1608 1 10W J 560 Ω 9HSRXAJR5Z0561 AA R575 CHIP RES 1608 1 10W J 330k Ω 9HSRXAJR5Z0334 AA R577 CHIP RES 1608 1 10W J 1 5k Ω 9HSRXAJR5Z0152 AA R578 CHIP RES 1608 1 10W J 1k Ω 9HSRXAJR5Z0102 AA R582 CHIP RES 1608 1 10W J 100k Ω 9HSRXAJR5Z0104 AA R585 CHIP RES 1608 1 10W J 1 8k Ω 9HSRXAJR5Z...

Page 89: ... 1 10W F 2 2k Ω 9HSRXAFR5H0222 AA R1024 CHIP RES 1608 1 10W J 68k Ω 9HSRXAJR5Z0683 AA R1025 CHIP RES 1 10W F 5 6k Ω 9HSRXAFR5H0562 AA R1029 CARBON RES 1 6W J 100k Ω 9HSCX6JATZ0104 AA R1032 CARBON RES 1 4W G 1 8k Ω 9HSCX4GATZ0182 AB R1035 CARBON RES 1 6W J 1k Ω 9HSCX6JATZ0102 AA R1036 CARBON RES 1 6W J 100k Ω 9HSCX6JATZ0104 AA R1037 CARBON RES 1 4W J 10k Ω 9HSCX4JATZ0103 AA R1038 CARBON RES 1 6W J ...

Page 90: ... R1481 CHIP RES 1608 1 10W J 75 Ω 9HSRXAJR5Z0750 AA R1490 CHIP RES 1608 1 10W 0 Ω 9HSRXAZR5Z0000 AA R1521 CHIP RES 1608 1 10W J 2 2k Ω 9HSRXAJR5Z0222 AA R2001 CHIP RES 1608 1 10W J 10k Ω 9HSRXAJR5Z0103 AA R2002 CHIP RES 1608 1 10W J 10k Ω 9HSRXAJR5Z0103 AA R2003 CHIP RES 1608 1 10W J 10k Ω 9HSRXAJR5Z0103 AA R2005 CHIP RES 1608 1 10W J 6 8k Ω 9HSRXAJR5Z0682 AA R2006 CHIP RES 1608 1 10W J 10k Ω 9HSR...

Page 91: ... PIC 37043LO 9HSSESJRSKK041 AK SA1001 SURGE ABSORBER 470V 10PER 9HSVQZ10D471KB AC T0011 PULSE TRANS BCK 28 0499 9HSTT00EPXB012 AK TP501 PCB JUMPER D0 6 P5 0 9HSJW5 0T AL TU701 TUNER UNIT TMDG2 661A 9HSTUNPLBAL015 BD VR501 CARBON P O T 100k Ω B 9HSRCB104HH014 AB X301 X TAL 3 579545MHz 20PPM 9HSXC355LLN003 AD X302 X TAL 4 433619MHz 9HSXC445LLN001 AE X501 X TAL 12 000MHz 9HSXD126LDS001 AE X502 X TAL ...

Page 92: ...17 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 50V 9HSCA1JZTFZ104 AB CONNECTOR CN1 ...

Page 93: ...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 94: ...propyl 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 SP D2 Reel TU D2 Capstan Motor Cap Belt FE Head Idler Gear Idler Arm Pinch Arm A Assembly M Brake SP Assembly M Brake TU Assembly Ldg Belt Cam Holder Assembly B2...

Page 95: ...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 Clean ...

Page 96: ...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 97: ...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 98: ... 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 4 Check the audio output Check the following 1 X Value Page 2 3 3 2 Envelope P...

Page 99: ... 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 Position of the ACE Head is...

Page 100: ...ng the 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...

Page 101: ... of pushes to ensure preset position The number of pushes CH UP button to achieve 1 2 level of envelope should match the number of pushes CH DOWN 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 rev...

Page 102: ...L 3 P 1 6 2 Cassette Plate T DM5 7 7 Cylinder Assembly T DM1 DM6 Desolder 3 S 2 8 8 Assembly Loading Motor T DM1 DM7 2 S 3 Desolder LDG Belt 9 9 ACE Head Assembly T DM1 DM7 S 4 10 2 Assembly Tape Guide Arm T DM1 DM8 1 P 2 11 10 C Door Opener T DM1 DM8 1 S 4A L 4 12 11 Pinch Arm B T DM8 2 DM1 DM8 1 P 3 13 12 Assembly Pinch Arm A T DM8 2 DM1 DM8 1 14 14 FE Head T DM1 DM9 S 5 15 15 Prism T DM1 DM9 S ...

Page 103: ...REMOVAL INSTALLATION Fig No UNPLUG DESOLDER UNLOCK RELEASE REMOVE UNHOOK CONDITION ADJUSTMENT 29 25 Idler Gear B DM1 DM14 30 29 Idler Arm B DM1 DM14 L 11 31 25 BT Arm B DM2 DM14 P 6 32 25 Assembly Loading Arm SP B DM2 DM14 Sec Page 2 5 1 Refer to Alignment 33 32 Assembly Loading Arm TU B DM2 DM14 Sec Page 2 5 1 Refer to Alignment 34 2 25 Assembly M Brake TU T DM1 DM15 P 7 Brake Belt 35 2 25 Assemb...

Page 104: ...2 4 3 H9745DA 14 13 11 10 12 7 8 30 40 16 39 38 42 41 43 9 34 15 36 35 29 Fig DM1 Top View 46 32 20 33 24 25 27 26 23 28 31 21 22 Bottom View Fig DM2 ...

Page 105: ... Pin D 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 ent...

Page 106: ...M7 A 8 9 S 4 S 3 LDG Belt 8 Pin of 12 Pin of 10 Groove of 28 View for A Fig DM8 1 When reassembling 10 and 12 confirm that pin of 10 and pin of 12 are in the groove of 28 as shown 28 11 13 12 A 10 L 4 S 4A P 3 P 2 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 ...

Page 107: ...r to Fig A Fig A 13 12 P 3 Fig B Top view Install pin of 12 in groove of 28 Refer to Fig B 28 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 DM8 1 Fig DM8 2 Fig DM9 14 15 S 6 S 5 16 Fig DM10 18 17 19 S 7 L 5...

Page 108: ...P 5 28 When installing 23 install the spring P 5 to 28 as shown in the left figure and then install 23 while pressing the spring P 5 to the direction of the arrow in the left figure and confirming that the position of the spring P 5 is placed as shown in the left figure Pin on bottom of 23 23 28 Pin on 22 Position of pin on 22 Top View ...

Page 109: ...5 and 28 as shown Bottom View 28 25 28 Top View First tooth on 44 First groove on 28 Installation of 25 When reassembling 28 align the first groove on 28 to the first tooth on 44 as shown Fig DM13 2 Fig DM14 Refer to the Alignment Section Page 2 5 1 30 29 L 11 P 6 32 33 31 Fig DM15 turn turn Break belt 35 38 39 40 36 P 8 P 7 turn 34 37 L 12 ...

Page 110: ...2 4 9 H9745DA Fig DM16 43 41 42 Slide Plate S 11 L 13 Fig DM17 44 45 Slide ...

Page 111: ... Alignment 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...

Page 112: ...EXPLODED VIEWS Deck Mechanism View 1 B12 B492 B11 B571 B37 Some Ref Numbers are not in sequence B126 B8 B121 B426 B560 L1450 L1322 B5 L1450 L1466 B501 B410 B74 L1051 B35 B411 B494 B567 L1053 L1191 B73 B9 L1467 B553 B2 B10 ...

Page 113: ...iew 2 B508 B414 B516 B559 B52 B134 B133 B568 B593 B565 B417 Some Ref Numbers are not in sequence B507 B488 B570 B491 B513 B502 L1151 B525 B592 B31 L1406 B148 B558 B557 B3 B522 B521 B520 B590 B564 B573 B574 B591 B416 A B487 B499 B587 ...

Page 114: ...2 6 3 H9745DEX Deck Mechanism View 3 B563 B300 B562 B482 B355 B354 B483 B425 L1321 B347 L1321 B313 L1341 B303 B555 B514 Some Ref Numbers are not in sequence B361 B359 B529 B360 ...

Page 115: ... AB B414 M BRAKE SP ASSEMBLY MK12 5 9HS0VSA14994 AH B416 M BRAKE TU ASSEMBLY MK12 9HS0VSA13283 AH B417 TENSION SPG 3002645 MK12 5 9HS0VM414221G AB B425 LOCK LEVER SPRING MK10 9HS0VM411110 AA B426 KICK PULLEY MK10 9HS0VM411095 AA B482 CASSETTE PLATE MK12 9HS0VM203749 AC B483 LOCK LEVER MK12 9HS0VM414095 AB B487 BAND BRAKE SP MK12 9HS0VM305723 AC B488 MODE LEVER MK12 5 9HS0VM101351 AD B491 CAM GEAR ...

Page 116: ...VSA14634 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 3X4 BIND HEAD 9HSGBMBY040 AA L1341 SCREW P TIGHT M2X6 PAN HEAD 9HSGPMP2060 AA L1406 AC HEAD SCREW MK9 9HS0VM...

Page 117: ...an COPYRIGHT 2004 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 Jul 2004 Printed in JAPAN ...

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