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Bluesky VC6006F Service Manual

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SERVICE MANUAL
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
VC6006F
When servicing the deck
mechanism, refer to MK14 Deck
Mechanism Section.
Deck Mechanism Part No.:
N25E0FL
PAL

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  • Page 1 When servicing the deck Main Section I Specifications mechanism, refer to MK14 Deck I Preparation for Servicing Mechanism Section. I Adjustment Procedures I Schematic Diagrams Deck Mechanism Part No.: I CBA’s I Exploded views N25E0FL I Parts List VIDEO CASSETTE RECORDER VC6006F...

  • Page 2: Table Of Contents

    MAIN SECTION VIDEO CASSETTE RECORDER VC6006F 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 Important Safety Precautions .

  • Page 3: Specifications

    SPECIFICATIONS Description Unit Minimum Nominal Maximum Remark 1. Video 1-1. Video Output (PB) Vp-p FL6A 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. Video Color S/N PM (R/P) SP Mode 1-6.

  • Page 4: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice K. Crimp type wire connector The power transformer uses crimp type connectors Some electrical and mechanical parts have special which connect the power cord and the primary side safety-related characteristics which are often not evi- of the transformer.
  • Page 5 Safety Check after Servicing Chassis or Secondary Conductor Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original Primary Circuit positions. Afterwards, do the following tests and con- firm the specified values to verify compliance with safety standards.

  • Page 6: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is When soldering, be sure to use the Pb free solder. indicated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View 1.
  • Page 7 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 pin or the solder lands under the IC when all pins of the flat pack-IC.
  • Page 8 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the CBA flux which is applied to all pins of the flat pack-IC, so you can install a replacement flat pack-IC more you can remove it easily.
  • Page 9 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

  • Page 10: 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 11: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced. When reassembling, (4): Identification of parts to be removed, unhooked, follow the steps in reverse order.
  • Page 12 (L-2) [4] Jack CBA (L-2) (S-5) Desolder [2] Front Assembly Fig. D4 (L-1) Fig. D2 (S-2) (S-2) (S-3) (S-2) (S-3) (S-4) [3]VCR Chassis (S-3) Unit (S-2) Fig. D3 1-5-2 HM4N0DC...
  • Page 13 [7] Cylinder Shield Cylinder Assembly FE Head (S-7) SW507 ACE Head LD-SW Assembly [6] Main CBA [5] Deck [5] Deck Assembly [8] Jack Board Assembly (L-3) Cam Gear Hole Shaft Hole [6] Main CBA LD-SW [6] Main CBA (S-6) Fig. D6 (S-6) TOP VIEW From...

  • Page 14: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is an abbreviation for Head Switching Position Adjustment "Circuit Board Assembly." Purpose: NOTE: To determine the Head Switching position during 1.Electrical adjustments are required after replacing playback. circuit components and certain mechanical parts. Symptom of Misadjustment: It is important to do these adjustments only after all repairs and replacements have been com- May cause Head Switching noise or vertical jitter...

  • Page 15: How To Initialize The Vcr

    HOW TO INITIALIZE THE VCR To put the program back at the factory-default, initialize the VCR as the following procedure. 1. Make sure that no timer programming is set. If not, reset all timer programming. 2. Turn the power off. 3.

  • Page 16: Function Indicator Symbols

    FUNCTION INDICATOR SYMBOLS Note: The following symbols will appear on the indicator panel to indicate the current mode or operation of the VCR. On-screen modes will also be momentarily displayed on the tv screen when you press the operation buttons. Display panel MODE INDICATOR ACTIVE...
  • Page 17 TV screen Note: OSD for mechanical error will be displayed for 5 sec. after the mechanical error occurs. Cause Indicator Active When reel or capstan mechanism is not “A R” is displayed on a TV screen. (Refer to Fig. 1.) functioning correctly When tape loading mechanism is not “A T”...

  • Page 18: Block Diagrams

    BLOCK DIAGRAMS Servo / System Control Block Diagram HM462BLS 1-9-1...
  • Page 19 Video Block Diagram HM462BLV 1-9-2...
  • Page 20 Audio Block Diagram HM462BLA 1-9-3...
  • Page 21 Hi-Fi Audio Block Diagram HM462BLH 1-9-4...
  • Page 22 Power Supply Block Diagram HM462BLP 1-9-5...

  • Page 23: 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 replacement components rated for higher voltage, wattage, etc.
  • Page 24 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 (F001) 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 25 Main 1/6 Schematic Diagram 1-10-3 HM462SCM1...
  • Page 26 Main 2/6 & Sensor Schematic Diagram FP562 MATRIX CHART 1-10-4 HM462SCM2...
  • Page 27 Main 3/6 Schematic Diagram 1-10-5 HM462SCM3...
  • Page 28 Main 4/6, Jack & Sub Jack Schematic Diagram 1-10-6 HM462SCM4...
  • Page 29 Main 5/6 Schematic Diagram NOTE: CAUTION ! CAUTION ! For continued protection against fire hazard, The voltage for parts in hot circuit is measured using Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. hot GND as a common terminal. If Main Fuse (F001) is blown , check to see that all components in the power supply replace only with the same type fuse.
  • Page 30 Main 6/6 Schematic Diagram 1-10-8 HM462SCM6...
  • Page 31 AFV Schematic Diagram HM462SCAFV 1-10-9...
  • Page 32 Main CBA Top View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circut, an isolation transformer must be used. If Main Fuse (F001) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input replace only with the same type fuse.
  • Page 33 Main CBA Bottom View CAUTION ! Because a hot chassis ground is present in the power CAUTION ! For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circut, an isolation transformer must be used. If Main Fuse (F001) is blown , check to see that all components in the power supply Also, in order to have the ability to increase the input replace only with the same type fuse.
  • Page 34 Jack CBA Top View Jack CBA Bottom View 1-10-12 BHM450F01011C...
  • Page 35 AFV CBA Top View AFV CBA Bottom View BE6800F01091 Sub Jack CBA Top View Sub Jack CBA Bottom View BHM450F01011B 1-10-13...

  • Page 36: Waveforms

    WAVEFORMS NOTE: Input VCR: COLOR BAR SIGNAL (WITH 1KHz AUDIO SIGNAL) (WF1~WF3) TP301 UPPER TP502 LOWER C-PB 10mV x 10 RF-SW 0.5V x 10 UPPER TP502 LOWER V-OUT 0.1V x 10 RF-SW 0.5V x 10 50µs V-OUT E-E 10µs 50mV x 10 U31PWF 1-11-1...

  • Page 37: Wiring Diagrams

    WIRING DIAGRAM 1-12-1 HM462WI...

  • Page 38: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS Signal Active Function Name Level IC501( SERVO / SYSTEM CONTROL IC ) Not Used “H” ≥ 4.5V, “L” ≤ 1.0V Not Used Signal Active Function Name Level Not Used Input Signal from Pin IN SC2-IN LINE- Audio Mute Control 8 of SCART2 28 OUT...
  • Page 39 Signal Active Signal Active Function Function Name Level Name Level LPF Connected A-MUTE- Audio Mute Control 83 OUT Terminal (Slicer) Signal Not Used Not Used Not Used Not Used Not Used P-DOWN- Power Voltage Down Detector Signal Composite IN C-SYNC PULSE Synchronized Pulse Capstan Motor...

  • Page 40: Lead Identifications

    LEAD IDENTIFICATIONS KRA103M-AT/P 2SA1015-GR(TE2 F T) PT6958-FN-TP(L) KRC103M-AT/P 2SA1020-Y(TE6 F M) SC16458G KTA-1266-GR-AT/P 2SC1815-(BL,GR,Y)(TE2 F T) KTA1267-(GR,Y)-AT/P 2SC2120-Y(TE2 F T) KTC3199-(BL,GR,Y)-AT/P 2SC3266-Y(TPE2 F) RN2204(TE4 F T) KTA1281Y-AT/P KTC3203-Y-AT/P KTC3205-Y-AT/P E C B E C B BR24L02F-WE2 MID-32A22F 2SK3566 LTV-817-BF CAT24WC02WI-TE13 PT204-6B-12 PS2561A-1(Q,W) EL817(A,B)

  • Page 41: Exploded Views

    EXPLODED VIEWS Front Panel 1-15-1 HM462FEX...
  • Page 42 Cabinet 2L011 2B18 2L011 2L011 See Electrical Parts List for parts with this mark. Some Ref. Numbers are not in sequence. 2L011 JACK CBA 2L011 2L012 2L022 2L042 2L021 2L021 2L021 2L051 2L021 2L022 2L041 2L041 2L021 SUB JACK CBA SENSOR CBA AFV CBA 2L031...
  • Page 43 Packing X20B X20A Some Ref. Numbers are not in sequence. Unit 1-15-3 HM462PEX...

  • Page 44: 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 servicing.

  • Page 45: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. ! have special characteristics important to safety. C025 CHIP CERAMIC CAP . B K 8200pF/ 50V CHD1JK30B822 Before replacing any of these components, read C026 ELECTROLYTIC CAP .
  • Page 46 Ref. No. Description Part No. Ref. No. Description Part No. ALUMINUM ELECTROLYTIC CAP 0.47µF/50V CE1JMAVSMR47 C425 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V CHD1EZ30F104 C328 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 C428 CHIP CERAMIC CAP .
  • Page 47 Ref. No. Description Part No. Ref. No. Description Part No. ALUMINUM ELECTROLYTIC CAP 4.7µF/25V CE1EMAVSM4R7 C702 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V CHD1EZ30F104 C483 ELECTROLYTIC CAP . 4.7µF/25V M H7 or CE1EMAVSL4R7 C704 CHIP CERAMIC CAP .(1608) B K 0.01µF/50V...
  • Page 48 Ref. No. Description Part No. Ref. No. Description Part No. D057 ZENER DIODE DZ-10BSBT265 or NDTB00DZ10BS Q002 TRANSISTOR 2SC1815-BL(TE2 F T) QQS22SC1815F ZENER DIODE MTZJT-7710B QDTB00MTZJ10 Q003 TRANSISTOR KTC3199-BL-AT/P or NQS5KTC3199P D058 ZENER DIODE DZ-18BSBT265 or NDTB00DZ18BS TRANSISTOR 2SC1815-BL(TE2 F T) QQS22SC1815F ZENER DIODE MTZJT-7718B QDTB00MTZJ18...
  • Page 49 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 220k Ω or RES CHIP 1608 1/10W J 10k Ω R017 RRXAJR5Z0224 RRXA103YF002 RES CHIP 1608 1/10W J 220k Ω CHIP RES. 1/10W J 18k Ω or RRXA224YF002 R311 RRXAJR5Z0183...
  • Page 50 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 27k Ω or RES CHIP 1608 1/10W J 39k Ω R412 RRXAJR5Z0273 RRXA393YF002 RES CHIP 1608 1/10W J 27k Ω CHIP RES. 1/10W J 39k Ω or RRXA273YF002 R471 RRXAJR5Z0393...
  • Page 51 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 18k Ω or CARBON RES. 1/4W J 1k Ω R528 RRXAJR5Z0183 RCX4JATZ0102 RES CHIP 1608 1/10W J 18k Ω CHIP RES. 1/10W J 1k Ω or RRXA183YF002 R706 RRXAJR5Z0102...
  • Page 52 Ref. No. Description Part No. Ref. No. Description Part No. JW002 FLAT CABLE 11P AWG26#2651/P1.25/150 WX1HC460-002 ZENER DIODE MTZJT-7711A QDTA00MTZJ11 PS503 PHOTO INTERRUPTER RPI-302C70 QPWZP1302C70 D102 ZENER DIODE DZ-11BSAT265 or NDTA00DZ11BS RS501 REMOTE RECEIVER MIM-93M9DKF or USESJRSUNT03 ZENER DIODE MTZJT-7711A QDTA00MTZJ11 REMOTE RECEIVER PIC-37042LQ USESJRSKK038...
  • Page 53 AFV CBA Ref. No. Description Part No. AFV CBA 1VSA14128 Consists of the following: CAPACITORS CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V CHD1EZ30F104 CHIP CERAMIC CAP . CH J 56pF/ 50V CHD1JJ3CH560 CHIP CERAMIC CAP .(1608) CH J 22pF/ 50V CHD1JJ3CH220...
  • Page 54 VC6006F HM462ED 2006-08-02...

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