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Scott DCX710SL Service Manual Download Page 87

2-6-1

U29P4HSDEX

DECK EXPLODED VIEWS

Deck Mechanism View 1

Mark

Description

Floil G-684G or Multemp MH-D (Blue grease)
SLIDUS OIL #150

Some Ref. Numbers are not in sequence.

B12

B492

B11

B571

B37

B126

B8

B121

L1450

L1450

B86

L1466

B501

Chassis Assembly 
Top View (Lubricating Point)

Chassis Assembly 
Bottom View (Lubricating Point)

L1051

B35

B410

B411

B494

B567

L1053

B74

L1467

B553

B10

L1191

B73

B9

B2

L1322

B5

Summary of Contents for DCX710SL

Page 1: ...s I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA s I Exploded views I Parts List Sec 2 Deck Mechanism Section I Standard Maintenance I Alignment for Mechanism I Disasse...

Page 2: ...on Indicator Symbols 1 9 8 Schematic Diagrams CBA s and Test Points 1 10 1 Waveforms 1 11 1 Wiring Diagram VCR Section 1 12 1 Wiring Diagram DVD Section 1 12 2 IC Pin Function Descriptions 1 13 1 Lead...

Page 3: ...put R P Vp p 0 8 1 0 1 2 1 3 Video S N Y R P dB 40 45 SP Mode W O Burst 1 4 Video Color S N AM R P dB 37 41 SP Mode 1 5 Video Color S N PM R P dB 30 36 SP Mode 1 6 Resolution PB Line 230 245 SP Mode 2...

Page 4: ...d imp 100 k ohm 4 Ambient temperature 5 C 40 C ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Video Output 75 ohm load Vpp 1 0 0 1 2 Optical Digital Out dBm 18 3 Audio PCM 3 1 Output Level 1 kHz 0 dB Vrms 2 0 3...

Page 5: ...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 h...

Page 6: ...te especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing...

Page 7: ...s 2 Leakage Current Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF termi nals antenna terminals video and...

Page 8: ...achine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the...

Page 9: ...removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using twee zers Fig...

Page 10: ...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 I mark on the flat pac...

Page 11: ...ed to remove any static electricity that may be charged on the body 2 Ground for Workbench 1 Be sure to place a conductive sheet or copper plate with proper grounding 1M on the workbench or other surf...

Page 12: ...nto the Deck Mechanism Assembly 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 T...

Page 13: ...ID LOC No PART REMOVAL Fig No REMOVE UNHOOK UNLOCK RELEASE UNPLUG DESOLDER Note 1 Top Case D1 8 S 1 2 Front Assembly D2 3 L 1 3 L 2 1 1 1 1 2 3 Top Bracket D2 3 S 2 4 DVD Mecha Assembly D3 4 S 3 CN401...

Page 14: ...ig D4 2 2 Short the three short lands of FPC cable with sol der 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 CAU...

Page 15: ...Plate 6 Power Supply CBA 7 Loader Holder 4 DVD Mecha Assembly Fig D3 CN201 CN301 S 7 S 7 8 DVD Main CBA DVD Mecha A Fig D4 Short the three short lands by soldering Either of two places Connector View...

Page 16: ...OTTOM 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...

Page 17: ...w for A Rotate this roulette in the direction of the arrow A DVD Mecha 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 sl...

Page 18: ...ace with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape FL6A Head Switching Position Adjustment Purpose To determine the Head Switching position during playback Symptom of Misad...

Page 19: ...ower on by pressing the POWER button and the tray will close 9 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen 10 Press CLEAR button on the remot...

Page 20: ...OMP V ENV DVD POWER REMOTE VIDEO DVD POWER 58 C SYNC C SYNC OUTPUT SELECT IIC BUS SCL 71 LD SW 9 AL 5V AL 5V SW507 LD SW AL 5V D555 S LED TO POWER SUPPLY BLOCK DIAGRAM TP501 SENS INH CAPSTAN MOTOR IC5...

Page 21: ...1 63 96 95 94 93 90 89 88 87 CHARA INS CCD 1H DELAY SP BYPASS MUTE PB EE IN1 TUNER IN1 TUNER MUTE PB EE FRT IN2 FRT 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 FB...

Page 22: ...12 16 INV ATT 2 6 1 3 JK1402 A IN2 R A IN2 L A OUT2 R A OUT2 L JACK A CBA A IN2 5 5 A OUT2 1 1 CN2017 CN2018 JK101 A OUT1 R A OUT1 L 2 6 1 3 A IN1 R A IN1 L IC751 OUTPUT SELECT 12 13 14 15 2 1 11 10...

Page 23: ...20 5V 8 CL052A CL052B TO PIN 67 OF IC501 TO PIN 86 OF IC501 TO PIN 66 OF IC501 CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE T1 6AL 250V FUSE NOTE The voltage f...

Page 24: ...3 SP 4 SP 5 TRAY IN 6 GND 7 SL 8 SL VREF RESET 73 RESET IC462 1 3 3 3V IC202 OP AMP 15 16 14 13 12 11 17 18 23 6 4 5 3 1 2 25 24 27 26 SL AMP 143 SP ROT 3 3V 1 2 6 7 5 3 146 FD OFST 139 TD OFST ASPECT...

Page 25: ...WATCH DOG TIMER CPU I F TIMER DECODER I F CPU 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 CON...

Page 26: ...CK 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 WF9 5 WF7 WF8 CN601 CN1601 1 1 VIDEO Y 10 10 V...

Page 27: ...y When the drum is not working properly P ON Power safety detection MODE INDICATOR ACTIVE When reel and capstan mechanism is not functioning correctly A R is displayed on a TV screen Refer to Fig 1 Wh...

Page 28: ...itute replacement parts that do not have the same safety characteristics as speci fied in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these draw i...

Page 29: ...ts 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 and REC modes on the schematics are as sh...

Page 30: ...1 10 3 1 10 4 H9774SCM1 Main 1 8 Schematic Diagram VCR Section...

Page 31: ...Main 2 8 Sensor Schematic Diagrams VCR Section 1 10 5 1 10 6 H9774SCM2...

Page 32: ...Main 3 8 Schematic Diagram VCR Section 1 10 7 1 10 8 H9774SCM3...

Page 33: ...Main 4 8 Schematic Diagram VCR Section 1 10 9 1 10 10 H9774SCM4...

Page 34: ...1 10 11 1 10 12 H9774SCM5 Main 5 8 Schematic Diagram VCR Section...

Page 35: ...Main 6 8 Schematic Diagram VCR Section 1 10 13 1 10 14 H9774SCM6...

Page 36: ...Main 7 8 DVD Open Close Schematic Diagrams VCR Section 1 10 15 1 10 16 H9774SCM7...

Page 37: ...Main 8 8 Schematic Diagram VCR Section 1 10 17 1 10 18 H9774SCM8...

Page 38: ...tection 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 tha...

Page 39: ...Jack A Schematic Diagram 1 10 21 1 10 22 H9774SCJ...

Page 40: ...V OUT TP751 WF3 C PB TP301 WF2 SW P VR501 CTL TP503 RF SW TP504 WF1 S INH TP501 Main CBA Sensor CBA Top View BHF300F01011A BHF300F01011B Sensor CBA Top View 1 10 23 1 10 24 BH9700F01015A...

Page 41: ...PIN14OF CN1601 WF5 PIN 10 OF CN1601 WF4 PIN 1 OF CN1601 WF8 PIN 16 OF CN1601 WF6 PIN 6 OF IC1403 WF9 PIN 19 OF CN1601 WF7 Main CBA Bottom View BH9700F01015A 1 10 25 1 10 26...

Page 42: ...0 27 1 10 28 BH9700F01015C DVD Open Close CBA Top View DVD Open Close CBA Bottom View Power SW CBA Top View Power SW CBA Bottom View BH9700F01015B Jack A CBA Top View Jack A CBA Bottom View BH9700F010...

Page 43: ...ROUBLESHOOTING THIS TYPE POWER SUPPLY CIRCUIT A VARIABLE ISOLATION TRANSFORMER IS REQUIRED CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001...

Page 44: ...1 10 31 1 10 32 H9774SCD1 DVD Main 1 3 Schematic Diagram DVD Section...

Page 45: ...1 10 33 1 10 34 H9774SCD2 DVD Main 2 3 Schematic Diagram DVD Section...

Page 46: ...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...

Page 47: ...1 10 37 1 10 38 H9774SCD3 DVD Main 3 3 Schematic Diagram DVD Section...

Page 48: ...6 of IC1403 WF5 VIDEO Y VIDEO Y 0 2V 0 2V 20 20 s VIDEO C VIDEO C 0 2V 0 2V 20 20 s DVD VIDEO DVD VIDEO 0 5V 0 5V 20 20 s WF7 DVD A L DVD A L 1V 1V 0 5ms 0 5ms WF8 DVD A R DVD A R 1V 1V WF9 SPDIF SPDI...

Page 49: ...3 3V EV 3 3V P ON 3 3V P ON 5V EV 11V EV 11V GND GND GND GND GND GND GND PWRCON PLAY SKIP DOWN DISC IN REMOTE DVD SKIP UP 23 24 25 26 DVD POWER DVD OPEN CLOSE DVD STOP DVD PLAY VIDEO R I P SW NU 1 VID...

Page 50: ...D GND GND PWRCON PLAY SKIP DOWN DISC IN 11 12 13 14 15 16 17 18 19 20 GND VODEO R GND VIDEO B VIDEO G GND VIDEO C GND GND DVD A MUTE 4 5 6 I P SW NU ASPECT 2 VIDEO Y 1 3 7 8 9 10 11 12 13 DVD A R MUTE...

Page 51: ...ching Pulse H L 19 NU Not Used 20 OUT FRONT AV Front AV Output Signal Z L 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...

Page 52: ...er Monitor 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 Pin No...

Page 53: ...QSZAA0RMB200 MID 32A22F PT204 6B 12 E C 5 4 8 1 BR24L02F WE2 CAT24WC02JI 0C 0805T 002 GP1FA513TZ 1 2 3 B1 E B2 C1 C2 FMG4A T148 RN1511 TE85R FA1F4M T1B KRC103S RTK KTC3875Y RTK C B E 16 9 8 1 MM1637X...

Page 54: ...053 2B33 Power Supply CBA F1001 2L041 2L041 2L041 2L041 2L041 2L041 2L041 2L041 2L021 2L021 2L021 1B2 L0 9 L0 9 DVD Main CBA Unit CN3001 CN3002 2L021 A5 2L082 2L062 2B11 JW003 Jack A CBA 2B55 2B54 2B1...

Page 55: ...1 15 3 H9774PEX Packing S1 A14 X4 Unit S3 S2 S2 X5 S7 Some Ref Numbers are not in sequence X20A X2 X3 X1...

Page 56: ...HIMELON H9206JD 0VM413956 2B18 FIBER TOP CASE HC460ED 0VM412906 2B40 PARTITION PLATE H9700ED 0VM306765 2B54 PLATE GROUND RCA H9700ED 0VM306867 2B55 PLATE GROUND 21P H9700ED 0VM416444 2L011 P TIGHT SC...

Page 57: ...F 50V M H7 CE1JMAVSL1R0 C123 ELECTROLYTIC CAP 1 F 50V M H7 CE1JMAVSL1R0 C124 ELECTROLYTIC CAP 470 F 6 3V M or CE0KMASDL471 ELECTROLYTIC CAP 470 F 6 3V M CE0KMASTL471 C125 ELECTROLYTIC CAP 470 F 6 3V M...

Page 58: ...P 1608 B K 1000pF 50V CHD1JK30B102 C343 ELECTROLYTIC CAP 10 F 16V M H7 CE1CMAVSL100 Ref No Description Part No C344 ELECTROLYTIC CAP 4 7 F 25V M NP H7 CP1EMAVSB4R7 C345 ELECTROLYTIC CAP 0 47 F 50V M H...

Page 59: ...H220 CHIP CERAMIC CAP CG J 22pF 50V CHD1JJ3CG220 C547 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30B103 Ref No Description Part No C548 CHIP CERAMIC CAP 1608 F Z 0 1 F 50V or CHD1JZ30F104 CHIP CERAMIC...

Page 60: ...r NDTA00DZ11BS ZENER DIODE MTZJT 7711A QDTA00MTZJ11 D108 ZENER DIODE DZ 11BSAT265 or NDTA00DZ11BS ZENER DIODE MTZJT 7711A QDTA00MTZJ11 D109 ZENER DIODE DZ 11BSAT265 or NDTA00DZ11BS ZENER DIODE MTZJT 7...

Page 61: ...2 or QQSY02SC1815 TRANSISTOR 2SC1815 GR TPE2 QQS102SC1815 Q401 CHIP TRANSISTOR FMG4A T148 or QQ2Z000FMG4A Ref No Description Part No CHIP TRANSISTOR RN1511 TE85R QQ2Z00RN1511 Q403 TRANSISTOR KTC3203 Y...

Page 62: ...k RCX4JATZ0822 Ref No Description Part No R065 CHIP RES 1608 1 10W J 22k RRXAJR5Z0223 R070 CARBON RES 1 4W J 820 RCX4JATZ0821 R071 CARBON RES 1 4W J 270 RCX4JATZ0271 R072 CARBON RES 1 6W J 1 or RCX6JA...

Page 63: ...CARBON RES 1 4W J 330 RCX4JATZ0331 R521 CHIP RES 1608 1 10W J 10k RRXAJR5Z0103 Ref No Description Part No R522 CHIP RES 1608 1 10W J 3 9k RRXAJR5Z0392 R523 CARBON RES 1 6W G 1 5k or RCX6GATZ0152 CARBO...

Page 64: ...R5Z0222 R1354 CHIP RES 1608 1 10W J 2 2k RRXAJR5Z0222 R1355 CHIP RES 1608 1 10W J 220 RRXAJR5Z0221 R1356 CHIP RES 1608 1 10W J 75 RRXAJR5Z0750 Ref No Description Part No R1361 CHIP RES 1608 1 10W J 10...

Page 65: ...1 TACT SWITCH TC 1104 H 9 5 SST0101DNG01 MISCELLANEOUS 2B13 BUSH LED E H1600UD 0VM408832 JW009 FLAT CABLE 4P AWG26 2651 P2 0 80 WX3804S6FF08 Ref No Description Part No Ref No Description Part No DVD O...

Page 66: ...025 SWITCHING DIODE 1N4148M or NDTZ01N4148M SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D1030 SCHOTTKY BARRIER DIODE SB140 or NDQZ000SB140 SCHOTTKY BARRIER DIODE SB140 or NDWZ000SB140 SCHOTTKY BARRIER DI...

Page 67: ...USE HOLDER MSF 015 or XH01Z00LY001 FUSE HOLDER DFH 001 XH01Z00RP001 T0011 SWITCHING TRANSFORMER CGS SW0001F or LTT00EPSA161 SWITCHING TRANSFORMER BCK 28 0439 LTT00EPXB011 Ref No Description Part No JU...

Page 68: ...Mechanical Alignment Procedures 2 3 1 Disassembly Assembly Procedures of Deck Mechanism 2 4 1 Alignment Procedures of Mechanism 2 5 1 Deck Exploded Views 2 6 1 Deck Parts List 2 7 1 Sec 2 Deck Mechan...

Page 69: ...DECK ADJUSTMENTS 3 For the reference numbers listed above refer to Deck Exploded Views B73 Recording model only B86 Not used in 2 head model h Hours Cleaning I Replace Deck Periodic Service Schedule...

Page 70: ...hard material but since it is very thin avoid cleaning it vertically 2 Wait for the cleaned part to dry thoroughly before operating the unit 3 Do not reuse a stained head cleaning stick or a stained c...

Page 71: ...Alignment Tape FL6N8 2 Head model FL6NS8 4 Head model Azimuth and X Value Adjustment of ACE Head Adjustment of Envelope Waveform J 2 Guide Roller Adj Screwdriver Available Locally Guide Roller J 3 Mi...

Page 72: ...that the Moving guide preparations are in the Eject Position 4 Turn the LDG Belt in the appropriate direction shown in Fig M1 until the Moving guide prepara tions come to the Eject Position Stop turni...

Page 73: ...ere 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 A...

Page 74: ...ACE Head Fig M6 1 B X Value Alignment Purpose To obtain maximum PB FM envelope signal at the pre set position of the Tracking Control Circuit align the Horizontal Position of the ACE Head Symptom of...

Page 75: ...comes as flat as possible To do this adjust ment turn the top of the Guide Roller with the Guide Roller Adj Screwdriver 3 If the envelope is as shown in Fig M7 adjust the height of Guide Roller 2 Refe...

Page 76: ...f 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 Alignmen...

Page 77: ...sembly T DM1H DM7H Desolder LDG Belt 2 S 3 9 9 ACE Head Assembly T DM1H DM7H S 4 10 2 Tape Guide Arm Assembly 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 DM1H DM8H...

Page 78: ...Arm B DM2H DM14H P 5 34 26 Loading Arm SP Assembly B DM2H DM14H Refer to Alignment Sec Page 2 5 1 35 34 Loading Arm TU Assembly B DM2H DM14H Refer to Alignment Sec Page 2 5 1 36 16 26 M Brake TU Asse...

Page 79: ...2 4 3 U29PHSDA 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 80: ...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...

Page 81: ...h 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 s...

Page 82: ...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...

Page 83: ...2 4 7 U29PHSDA 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 84: ...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 t...

Page 85: ...2 4 9 U29PHSDA 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 86: ...echanical or electrical parts Alignment points in Eject Position 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 s...

Page 87: ...H D Blue grease SLIDUS OIL 150 Some Ref Numbers are not in sequence B12 B492 B11 B571 B37 B126 B8 B121 L1450 L1450 B86 L1466 B501 Chassis Assembly Top View Lubricating Point Chassis Assembly Bottom Vi...

Page 88: ...low grease B499 B516 B52 B507 B559 B581 B583 B580 B582 A View for A B578 B579 B579 B133 B551 Bottom Side Grease point Some Ref Numbers are not in sequence B488 B491 B513 Bottom Side Grease point L1151...

Page 89: ...anism View 3 Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 L1341 L1321 B347 L1321 B355 B354 B482 B483 B425 B303 B555 B563 B300 B562 B514 B313 Some Ref Numbers are not in seq...

Page 90: ...ER MK12 0VM305719 B499 T LEVER HOLDER MK12 0VM305729 B501 WORM HOLDER MK12 or 0VM203767 WORM HOLDER R MK12 0VM204324 B507 REEL WASHER MK9 5 2 1 0 5 0VM410058 B508 S BRAKE SPRING HI MK12 0VM414899 B513...

Page 91: ...DCX710SL H9774FD 2004 06 10...

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