Seg DVC 40 Service Manual
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Seg DVC 40 Service Manual

Dvd player & video cassette recorder seg dvc 40
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SERVICE MANUAL
Sec. 1: Main Section
I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA's
I Exploded views
I Parts List
VIDEO CASSETTE RECORDER
DVD PLAYER &
DVC 40
Sec. 2: Deck Mechanism Section
I Standard Maintenance
I Alignment for Mechanism
I Disassembly/Assembly of Mechanism
I Alignment Procedures of Mechanism
I Deck Exploded Views
I Deck Parts List
PA L

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  • Page 1: Dvd Player

    I Adjustment Procedures I Disassembly/Assembly of Mechanism I Schematic Diagrams I Alignment Procedures of Mechanism I CBA’s I Deck Exploded Views I Exploded views I Deck Parts List I Parts List DVD PLAYER & VIDEO CASSETTE RECORDER DVC 40 PA L...

  • Page 2: Table Of Contents

    MAIN SECTION DVD PLAYER & VIDEO CASSETTE RECORDER DVC 40 Sec. 1: Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s I Exploded Views I Parts List TABLE OF CONTENTS Specifications ............... . . 1-1-1 Laser Beam Safety Precautions .

  • Page 3: Specifications

    SPECIFICATIONS < VCR Section > Description Unit Minimum Nominal Maximum Remark 1. Video 1-1. Video Output (PB) Vp-p SP Mode 1-2. Video Output (R/P) Vp-p SP Mode, 1-3. Video S/N Y (R/P) W/O Burst 1-4. Video Color S/N AM (R/P) SP Mode 1-5.

  • Page 4: Dvd Section

    < DVD Section > ITEM CONDITIONS UNIT NOMINAL LIMIT 1. Video Output 75 ohm load ± 0.1 2. Optical Digital Out 3. Audio (PCM) 3-1. Output Level 1 kHz 0 dB Vrms 3-2. S/N 3-3. Freq. Response fs = 48 kHz ± 0.5dB 20~22 k fs = 44.1 kHz ±...

  • Page 5: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam 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.

  • Page 6: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice J. Be careful that foreign objects (screws, solder droplets, etc.) do not remain inside the set. Some electrical and mechanical parts have special K. Crimp type wire connector safety-related characteristics which are often not evi- The power transformer uses crimp type connectors dent from visual inspection, nor can the protection they which connect the power cord and the primary side...

  • Page 7: Safety Check After Servicing

    Safety Check after Servicing Examine the area surrounding the repaired location for Chassis or Secondary Conductor damage or deterioration. Observe that screws, parts, and wires have been returned to their original posi- Primary Circuit Terminals tions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards.

  • Page 8: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder When soldering, be sure to use the Pb free solder. 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View 1.
  • Page 9 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each (1) Using desoldering braid, remove the solder from all pin or the solder lands under the IC when removing pins of the flat pack-IC.
  • Page 10 (4) Bottom of the flat pack-IC is fixed with glue to the 2. Installation CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from soldering iron to center of the flat pack-IC and heat the foil of each pin of the flat pack-IC on the CBA so up.
  • Page 11 Instructions for Handling Semi-conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may be charged on the body.

  • Page 12: Preparation For Servicing

    PREPARATION FOR SERVICING How to Enter the Service Mode About Optical Sensors Caution: An optical sensor system is used for the Tape Start and End Sensors on this equipment. Carefully read and follow the instructions below. Otherwise the unit may operate erratically. What to do for preparation Insert a tape into the Deck Mechanism Assembly and press the PLAY button.

  • Page 13: Disassembly Method

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart REMOVAL This flowchart indicates the disassembly steps to gain REMOVE/*UNHOOK/ LOC. PART Fig. access to item(s) to be serviced. When reassembling, UNLOCK/RELEASE/ Note follow the steps in reverse order. Bend, route, and UNPLUG/DESOLDER dress the cables as they were originally. Loader 2(S-6) [1] Top Case...
  • Page 14 Reference Notes CAUTION 1: Locking Tabs (L-1) and (L-2) are fragile. Be careful not to break them. (S-1) (S-1) 1-1. Release three Locking Tabs (L-1). [1] Top Case 1-2. Release three Locking Tabs (L-2), then remove the Front Assembly. CAUTION 2: Electrostatic breakdown of the laser (S-1) diode in the optical system block may occur as a potential difference caused by electrostatic charge...
  • Page 15 CN401 (S-3) CN601 (S-9) (S-8) (S-3) (S-8) [4] DVD Mecha (S-9) Assembly (S-3) (S-4) [5] Partition Plate (S-8) (S-10) (S-5) (S-6) CN501 (S-10) [9] VCR Chassis Unit [7] Loader Holder [6] Power Supply CBA (L-3) Fig. D5 Fig. D3 (S-7) (S-7) [8] DVD Main CBA CN301...
  • Page 16 Cylinder Assembly FE Head ACE Head Assembly [10] Deck Assembly SW507 Lead with blue stripe Lead with blue stripe LD-SW Desolder [14] Jack-A CBA (S-11) (S-13) [13] Main CBA [10] Deck Assembly [12] Power SW CBA Cam Gear [13] Main CBA Desolder (S-11) Hole...
  • Page 17 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 with a hand. View for A Rotate this roulette in the direction of the arrow DVD Mecha 1-6-5 H9773DC...

  • Page 18: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is an abbreviation for "Circuit Board Assembly." NOTE: Figure 1 1.Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to do these adjustments only after all repairs and replacements have been com- EXT.

  • Page 19: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. 5. After programming is finished, the tray opens auto- 2. To put the DVD player into version up mode, press matically. Fig. e appears on the screen and the [9], [8], [7], [6], and [SEARCH MODE] buttons on checksum in (*3) of Fig.

  • Page 20: Block Diagrams

    BLOCK DIAGRAMS <VCR SECTION> Servo/System Control Block Diagram H9773BLS 1-9-1...
  • Page 21 Video Block Diagram H9773BLV 1-9-2...
  • Page 22 Audio Block Diagram H9773BLA 1-9-3...
  • Page 23 Hi-Fi Audio Block Diagram H9773BLH 1-9-4...
  • Page 24 Power Supply Block Diagram 1-9-5 H9773BLP...
  • Page 25 BLOCK DIAGRAMS <DVD SECTION> DVD System Control / Servo Block Diagram H9773BLSD 1-9-6...
  • Page 26 Digital Signal Process Block Diagram H9773BLD 1-9-7...
  • Page 27 DVD Video / Audio Block Diagram H9773BLVD 1-9-8...

  • Page 28: Function Indicator Symbols

    FUNCTION INDICATOR SYMBOLS Note: If a mechanical malfunction occurs, the power is turned off. When the power comes on again after that by pressing [POWER] button, an error message is displayed on the TV screen for 5 seconds. MODE INDICATOR ACTIVE When reel and capstan mechanism is not “A R”...

  • Page 29: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replace- ment components rated for higher voltage, wattage, etc.
  • Page 30 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) is blown, first 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.
  • Page 31 Main 1/8 Schematic Diagram < VCR Section > 1-10-4 1-10-3 H9773SCM1...
  • Page 32 Main 2/8 & Sensor Schematic Diagrams < VCR Section > IC611 MATRIX CHART SACD PSCAN REPEAT SACD GROUP PSCAN REPEAT TITLE GROUP TITLE HD VCD 1-10-6 1-10-5 H9773SCM2...
  • Page 33 Main 3/8 Schematic Diagram < VCR Section > 1-10-7 1-10-8 H9773SCM3...
  • Page 34 Main 4/8 Schematic Diagram < VCR Section > H9773SCM4 1-10-9 1-10-10...
  • Page 35 Main 5/8 Schematic Diagram < VCR Section > 1-10-11 1-10-12 H9773SCM5...
  • Page 36 Main 6/8 Schematic Diagram < VCR Section > 1-10-13 1-10-14 H9773SCM6...
  • Page 37 Main 7/8 & DVD Open/Close Schematic Diagrams < VCR Section > 1-10-15 1-10-16 H9773SCM7...
  • Page 38 Main 8/8 Schematic Diagram < VCR Section > 1-10-17 1-10-18 H9773SCM8...
  • Page 39 Power Supply & Junction Schematic Diagram < VCR Section > CAUTION ! CAUTION ! NOTE : Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. For continued protection against fire hazard, The voltage for parts in hot circuit is measured using If Main Fuse (F1001) is blown, check to see that all components in the power supply replace only with the same type fuse.
  • Page 40 Jack-A Schematic Diagram 1-10-21 1-10-22 H9773SCJ...
  • Page 41 AFV Schematic Diagram 1-10-23 1-10-24 H9773SCAFV...
  • Page 42 Main CBA & Sensor CBA Top View Sensor CBA Top View BHF300F01011A TP751 TP301 BHF300F01011B V-OUT C-PB VR501 SW-P TP504 RF-SW TP501 S-INH TP503 1-10-25 1-10-26 BH9700F01015A...
  • Page 43 Main CBA Bottom View PIN 6 OF IC1403 PIN 19 OF CN1601 PIN 16 OF CN1601 PIN 14 OF CN1601 PIN 10 OF CN1601 PIN 1 OF CN1601 1-10-27 1-10-28 BH9700F01015A...
  • Page 44 Power SW CBA Top View Power SW CBA Bottom View BH9700F01015B DVD Open/Close DVD Open /Close CBA Top View CBA Bottom View BH9700F01015C 1-10-30 1-10-29...
  • Page 45 Jack-A CBA Top View Jack-A CBA Bottom View BH9700F01022C AFV CBA Top View AFV CBA Bottom View BHC400F01093 1-10-32 1-10-31...
  • Page 46 Power Supply CBA Top View Power Supply CBA Bottom View BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! CAUTION ! SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. For continued protection against fire hazard, Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. ALSO , IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT replace only with the same type fuse.
  • Page 47 DVD Main 1/3 Schematic Diagram < DVD Section > 1-10-35 1-10-36 H9773SCD1...
  • Page 48 DVD Main 2/3 Schematic Diagram < DVD Section > 1-10-37 1-10-38 H9773SCD2...
  • Page 49 IC101 VOLTAGE CHART PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----...
  • Page 50 DVD Main 3/3 Schematic Diagram < DVD Section > 1-10-41 1-10-42 H9773SCD3...

  • Page 51: Waveforms

    WAVEFORMS NOTE: Input VCR: COLOR BAR SIGNAL (WF1~WF3) DVD: POWER ON (STOP) MODE (WF4~WF6) CD: 1kHz PLAY (WF7~WF9) TP301 UPPER TP504 Pin 1 of CN1601 Pin 14 of CN1601 LOWER C-PB 10mV x 10 RF-SW 0.5V x 10 VIDEO-Y VIDEO-Y 0.2V 0.2V 20µs...

  • Page 52: Wiring Diagram < Vcr Section

    WIRING DIAGRAM < VCR SECTION > 1-12-1 H9773WI...

  • Page 53: Wiring Diagram < Dvd Section

    WIRING DIAGRAM < DVD SECTION > H9773WID 1-12-2...

  • Page 54: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS [ VCR Section ] Signal Active Function Name Level IC501( SERVO / SYSTEM CONTROL IC ) Not Used “H” ≥ 4.5V, “L” ≤ 1.0V Not Used Signal Active Not Used Function Name Level Not Used Input Signal from SC2-IN 28 OUT LINE- Audio Mute Control...
  • Page 55 Signal Active Signal Active Function Function Name Level Name Level H/L/ LPF Connected 81 OUT LM-FWD/ Loading Motor Terminal (Slicer) Control Signal Hi-z OUTPUT- Not Used 82 OUT Output Select SELECT Not Used 83 OUT A-MUTE-H Audio Mute Control Not Used Signal (Mute = “H”) Composite Not Used...
  • Page 56 IC612 ( FIP DRIVER ) Signal Name Function Name FP-CLK Clock Input FP-STB Serial Interface Strobe Not Used Not Used Power Supply Segment Output Pull Down Level Segment Output Grid Output Power Supply Oscillator Input Not Used FP-DIN Serial Data Input 1-13-3 H9700PIN...

  • Page 57: Lead Identifications

    LEAD IDENTIFICATIONS PQ070XZ5MZP MID-32A22F 2SA1175(F,H,J) 2SA1015-GR(TPE2) PT204-6B-12 2SC2785(F,H,J) 2SA1020(Y) BA1F4M-T 2SC1815-BL(TPE2) 1: Vin BN1F4M-T 2SC1815-GR(TPE2) 2: Vc BN1L4M-T 2SC1815-Y(TPE2) 3: Vo KRA103M 2SC2120-Y(TPE2) 4: Vadj KRC103M 2SC3266-Y(TPE2) 5: GND KTA1266(GR) KTA1281(Y) 1 2 3 KTA1267(GR,Y) KTC3203(Y) KTC3199(BL,GR,Y) KTC3205(Y) RN2204(TE4,T) E C B E C B 2SK3566 FA1F4M-T1B...

  • Page 58: Exploded Views

    EXPLODED VIEWS Cabinet 2L071 2L071 2L071 See Electrical Parts List 2L012 for parts with this mark. 2L021 2L021 2L071 Some Ref. Numbers are 2L021 not in sequence. L0-9 L0-9 2L082 2L020 Jack-A CBA 2L021 JW003 Sensor CBA DVD Main AFV CBA CBA Unit 2B11 Main CBA...
  • Page 59 Packing Some Ref. Numbers are not in sequence. X20A X20B Unit 1-15-3 H9773PEX...

  • Page 60: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper ser- vicing.

  • Page 61: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! Ref. No. Description Part No. have special characteristics important to safety. Before CHIP CERAMIC CAP . CG J 470pF/50V CHD1JJ3CG471 replacing any of these components, read carefully the C112 CHIP CERAMIC CAP .(1608) CH J 470pF/50V or CHD1JJ3CH471 product safety notice in this service manual.
  • Page 62 Ref. No. Description Part No. Ref. No. Description Part No. C311 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 C402 FILM CAP .(P) 0.018µF/100V J or CMA2AJP00183 CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V or CHD1EZ30F104 FILM CAP .(P) 0.018µF/50V J or CMA1JJP00183 CHIP CERAMIC CAP .
  • Page 63 Ref. No. Description Part No. Ref. No. Description Part No. C475 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 CHIP CERAMIC CAP . CG J 180pF/50V CHD1JJ3CG181 CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V or CHD1EZ30F104 C539 CHIP CERAMIC CAP .(1608) B K 0.01µF/50V CHD1JK30B103 CHIP CERAMIC CAP .
  • Page 64 Ref. No. Description Part No. Ref. No. Description Part No. CHIP CERAMIC CAP . FZ Z 0.1µF/50V CHD1JZ3FZ104 C2004 ELECTROLYTIC CAP . 100µF/6.3V H7 CE0KMAVSL101 C1040 ELECTROLYTIC CAP . 100µF/6.3V M or CE0KMASDL101 C2012 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 ELECTROLYTIC CAP .
  • Page 65 Ref. No. Description Part No. Ref. No. Description Part No. SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 L1521 CHOKE COIL 47µH-K or LLBD00PKV007 D612 PCB JUMPER D0.6-P5.0 JW5.0T CHOKE COIL 47µH-K or LLBD00PKV005 D613 PCB JUMPER D0.6-P5.0 JW5.0T CHOKE COIL 47µH-K LLBD00PKT001 CHIP RES.(1608) 1/10W 0 Ω D701 ZENER DIODE DZ-33BSDT265 or NDTD00DZ33BS...
  • Page 66 Ref. No. Description Part No. Ref. No. Description Part No. Q451 CHIP TRANSISTOR KRC103S RTK or NQ1Z0KRC103S Q1204 TRANSISTOR KTA1266(GR) or NQS40KTA1266 CHIP TRANSISTOR FA1F4M-T1B QQ8Z00FA1F4M TRANSISTOR 2SA1015-GR(TPE2) QQS102SA1015 Q506 PHOTO TRANSISTOR PT204-6B-12 or NPWZT2046B12 Q1351 TRANSISTOR KTC3199(Y) or NQSY0KTC3199 PHOTO TRANSISTOR MID-32A22F NPWZ1D32A22F TRANSISTOR KTC3199(GR) or...
  • Page 67 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W J 22k Ω CHIP RES.(1608) 1/10W J 12k Ω R140 RRXAJR5Z0223 R414 RRXAJR5Z0123 CHIP RES.(1608) 1/10W J 150 Ω CHIP RES.(1608) 1/10W J 1.8k Ω R141 RRXAJR5Z0151 R415 RRXAJR5Z0182 CHIP RES.(1608) 1/10W J 180 Ω...
  • Page 68 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/6W G 1.5k Ω or CHIP RES.(1608) 1/10W 0 Ω R523 RCX6GATZ0152 R621 RRXAZR5Z0000 CARBON RES. 1/4W G 1.5k Ω CHIP RES.(1608) 1/10W 0 Ω RCX4GATZ0152 R622 RRXAZR5Z0000 CARBON RES.
  • Page 69 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W J 100k Ω R1222 RRXAJR5Z0104 SW603 TACT SWITCH KSM0614B or SST0101HH013 CHIP RES.(1608) 1/10W J 470 Ω R1223 RRXAJR5Z0471 TACT SWITCH SKQSAF001A or SST0101AL041 CHIP RES.(1608) 1/10W J 470 Ω R1224 RRXAJR5Z0471 TACT SWITCH TC-1104(H=9.5)
  • Page 70 Ref. No. Description Part No. Ref. No. Description Part No. JW009 FLAT CABLE, 4P AWG26#2651/P2.0/80 WX3804S6FF08 SAFETY CAP . 2200pF/250V CA2E222MR049 C1007 ELECTROLYTIC CAP . 1000µF/6.3V M CE0KMASTL102 DVD OPEN/CLOSE CBA C1013 CERAMIC CAP .(AX) X K 3300pF/16V CCA1CKT0X332 C1018 ELECTROLYTIC CAP .
  • Page 71 Ref. No. Description Part No. Ref. No. Description Part No. METAL OXIDE FILM RES. 2W J 82k Ω or SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 RN02JZQZ0823 METAL OXIDE FILM RES. 2W J 82k Ω D1025 SWITCHING DIODE 1N4148M or NDTZ01N4148M RN02JZPZ0823 CARBON RES. 1/4W J 1M Ω SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 R1005...
  • Page 72 Ref. No. Description Part No. Ref. No. Description Part No. JW001 FLAT CABLE, 9P AWG26#2651/P2.0/75 WX3809S6FF07 CHIP CERAMIC CAP . CG J 22pF/50V CHD1JJ3CG220 JW002 FLAT CABLE, 9P AWG26#2651/P2.0/65 WX3809S6FF06 CHIP CERAMIC CAP . CH J 56pF/50V or CHD1JJ3CH560 CHIP CERAMIC CAP . CG J 56pF/50V CHD1JJ3CG560 JACK-A CBA CHIP CERAMIC CAP .
  • Page 73 DECK MECHANISM SECTION DVD PLAYER & VIDEO CASSETTE RECORDER DVC 40 Sec. 2: Deck Mechanism Section I Standard Maintenance I Mechanism Alignment Procedures I Disassembly / Assembly of Mechanism I Deck Exploded Views I Deck Parts List TABLE OF CONTENTS Standard Maintenance .

  • Page 74: Standard Maintenance

    STANDARD MAINTENANCE Service Schedule of Components This maintenance chart shows you the standard of replacement and cleaning time for each part. Because those may replace depending on environment and purpose for use, use the chart for reference. h: Hours : Cleaning I: Replace Deck Periodic Service Schedule...
  • Page 75 Cleaning Cleaning of ACE Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1.Remove the top cabinet. cloth. 2.Dip the cotton swab in 90% isopropyl alcohol and Procedure clean the ACE Head.

  • Page 76: Service Fixture And Tools

    SERVICE FIXTURE AND TOOLS J-1-1, J-1-2 Ref. No. Name Part No. Adjustment J-1-1 Alignment Tape FL6A Head Adjustment of ACE Head J-1-2 Alignment Tape FL6N8 Azimuth and X Value Adjustment of ACE Head / (2 Head model) Adjustment of Envelope Waveform FL6NS8 (4 Head model) Guide Roller Adj.

  • Page 77: Mechanical Alignment Procedures

    MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below loaded position without a cassette tape on this page if a tape gets stuck, for example, in the 1.

  • Page 78: Tape Interchangeability Alignment

    1. Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the preset position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (FL6NS8) Guide Roller Adj.
  • Page 79 1-A. Preliminary/Final Checking and 4. If creasing or snaking is apparent, adjust the Tilt Alignment of Tape Path Adj. Screw of the ACE Head. (Fig. M6) Purpose: To make sure that the tape path is well stabilized. Azimuth Adj. Screw Symptom of Misalignment: If the tape path is unstable, the tape will be damaged.
  • Page 80 5. To shift the CTL waveform, press CH UP or CH 5. When Guide Rollers [2] and [3] (Refer to Fig. M3) DOWN button on the remote control unit. Then are aligned properly, there is no envelope drop make sure that the maximum output position of PB either at the beginning or end of track as shown in ±...
  • Page 81 1-D. Azimuth Alignment of Audio/Con- 2. When the tape has been curled up or bent, turn the trol/ Erase Head alignment screw to adjust the height of REV Post. (Refer to Fig. M11 and M13.) Purpose: To correct the Azimuth alignment so that the Audio/ Control/Erase Head meets tape tracks properly.

  • Page 82: Disassembly/Assembly Procedures Of Deck Mechanism

    DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
  • Page 83 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER BT Arm DM2H, DM14H *(P-5) [33] [26] Loading Arm (SP) (+)Refer to Alignment [34] [26] DM2H, DM14H Assembly Sec.Page 2-5-1 Loading Arm (TU) (+)Refer to Alignment [35] [34] DM2H, DM14H Assembly...
  • Page 84 Top View [44] [45] [49] [46] [14] [13] [11] [15] [38] [10] [12] [37] [36] [43] [32] [41] [31] [40] [42] Fig. DM1H Bottom View [19] [35] [34] [25] [23] [24] [26] [27] [22] [28] [20] [33] Fig. DM2H 2-4-3 U29PHSDA...
  • Page 85 (S-1) (S-1) (L-1) (L-3) (L-2) (S-1A) (P-1) Installation of [3] and [6] 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.
  • Page 86 [11] (S-4A) (L-4) [49] (P-3) [13] [50] Removal of [11] [12] (L-12) 1) Remove screw (S-4A). 2) Unhook spring (P-2). [10] Release (L-4) while (P-2) holding [12] with a finger. Loosen a finger holding [12] and remove [11]. (S-2) Pin of [12] Pin of [10] Groove of [27] When reassembling [10] and...
  • Page 87 Installation of [13] and [12] (S-5) [14] (S-6) [13] [15] Hook spring (P-3) up to [12] and [13], then install then to (P-3) the specified position so that [12] will be floated slightly while holding [12] and [13]. (Refer to Fig. A.) [12] Fig.
  • Page 88 (C-1) turn [22] (S-8) [20] (L-6) [21] [19] Cap Belt Pin on [22] Installation position of Cap Belt [20] Cap Belt [27] Position of pin on [22] Fig. DM12H [19] View for A Fig. DM11H 2-4-7 U29PHSDA...
  • Page 89 Installation of [26] [26] (C-3) Position of Mode Lever when installed Pin of [33] Pin of [37] (S-9) Pin of [36] (L-8) [23] (L-7) Bottom View [24] (C-5) [26] (C-4) (C-2) [28] [27] [25] [29] [30] Align [26] and [27] as shown. First groove on [27] [27] First tooth on [47]...
  • Page 90 [38] [36] [43] (P-6) turn [39] (L-10) turn [42] turn [47] [48] Slide [37] Fig. DM17H (C-7) [41] (C-6) [40] Fig. DM15H [45] [44] [46] (L-11) Slide Plate (S-11) Fig. DM16H 2-4-9 U29PHSDA...

  • Page 91: Alignment Procedures Of Mechanism

    ALIGNMENT PROCEDURES OF MECHANISM Alignment 1 The following procedures describe how to align the individual gears and levers that make up the tape load- Loading Arm (SP) and (TU) Assembly ing/unloading mechanism. Since information about the state of the mechanism is provided to the System Install Loading Arm (SP) and (TU) Assembly so that Control Circuit only through the Mode Switch, it is their triangle marks point to each other as shown in...

  • Page 92: Deck Exploded Views

    DECK EXPLODED VIEWS Deck Mechanism View 1 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 B494 L1467 L1191 B553 B411 B567 L1053 B410 L1051 Chassis Assembly Top View (Lubricating Point) L1322 B501 L1450 L1450 L1466 B121 B126 B492 B571...
  • Page 93 Deck Mechanism View 2 Mark Description Floil G-684G or Multemp MH-D (Blue grease) B587 B521 B487 SLIDUS OIL #150 B416 B591 SANKOUL FG84M (Yellow grease) B590 B522 L1406 B148 B573 B499 B508 B574 B592 B585 B558 B518 B564 B557 B414 B572 B565 L1151...
  • Page 94 Deck Mechanism View 3 Mark Description Floil G-684G or Multemp MH-D (Blue grease) L1321 SLIDUS OIL #150 B347 L1321 B355 B354 B483 L1341 B425 B482 B562 B300 B563 B313 B529 B360 B359 B361 B555 B303 Some Ref. Numbers are not in sequence. B514 2-6-3 U29P4HSDEX...

  • Page 95: Deck Parts List

    DECK PARTS LIST Ref.No Description Part No. B522 TG POST ASSEMBLY MK10 0VSA11012 Ref.No Description Part No. B525 LDG BELT MK11 0VM412804 CYLINDER ASSEMBLY MK12.5 PAL 6HD or N236ACYL B529 CLEANER ASSEMBLY MK10 0VSA11161 CYLINDER ASSEMBLY MK12.5 PAL 6HD(V) N236BCYL B551 FF ARM(HI) MK12 0VM306183...
  • Page 96 DVC 40 H9773ED 2004-06-04...

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