1. Manuals
  2. Brands
  3. Bluesky Manuals
  4. VCR
  5. VC4006F
  6. Service manual

Bluesky VC4006F Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
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
VC4006F
When servicing the deck
mechanism, refer to MK14 Deck
Mechanism Section.
Deck Mechanism Part No.:
N25C0FL
PAL
SECAM

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VC4006F and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Bluesky VC4006F

Summary of Contents for Bluesky VC4006F

  • 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 N25C0FL I Parts List VIDEO CASSETTE RECORDER VC4006F SECAM...

  • Page 2: Table Of Contents

    MAIN SECTION VIDEO CASSETTE RECORDER VC4006F 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

    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-4) [3]VCR Chassis (S-3) Unit (S-2) Fig. D3 1-5-2 HM340DC...
  • 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 Assembly Cam Gear Hole Shaft Hole [6] Main CBA LD-SW [6] Main CBA (S-6B) Fig. D6 (S-6A) TOP VIEW From Capstan Motor 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 TAPE IN "...
  • 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 HM320BLS 1-9-1...
  • Page 19 Video Block Diagram HM320BLV 1-9-2...
  • Page 20 Audio Block Diagram HM320BLA 1-9-3...
  • Page 21 Power Supply Block Diagram HM320BLP 1-9-4...

  • Page 22: 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 23 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 24 Main 1/6 Schematic Diagram 1-10-3 HM320SCM1...
  • Page 25 Main 2/6 & Sensor Schematic Diagram 1-10-4 HM320SCM2...
  • Page 26 Main 3/6 Schematic Diagram 1-10-5 HM320SCM3...
  • Page 27 Main 4/6 & Jack Schematic Diagram 1-10-6 HM320SCM4...
  • Page 28 Main 5/6 Schematic Diagram CAUTION ! NOTE: 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. replace only with the same type fuse. hot GND as a common terminal.
  • Page 29 Main 6/6 Schematic Diagram 1-10-8 HM320SCM6...
  • Page 30 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 31 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 32 Jack CBA Top View Jack CBA Bottom View 1-10-11 BHM450F01011C...

  • Page 33: 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 34: Wiring Diagram

    WIRING DIAGRAM 1-12-1 HM320WI...

  • Page 35: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC501( SERVO / SYSTEM CONTROL IC ) Signal Active Function Name Level “H” ≥ 4.5V, “L” ≤ 1.0V 25 OUT TIMER- “TIMER” LED Signal Signal Active Function Output Name Level Input Signal from Pin 26 OUT REC-LED “REC” LED Signal IN SC2-IN 8 of SCART2 Output...
  • Page 36 Signal Active Signal Active Function Function Name Level Name Level OSDVcc OSDVcc Take Up Reel IN T-REEL PULSE Rotation Signal LPF Connected H/L/ Terminal (Slicer) 81 OUT LM-FWD/ Loading Motor Control Signal Hi-z SECAM or COLOR- MESECAM Chroma Not Used Video Input Signal at 83 OUT A-MUTE- Audio Mute Control...

  • Page 37: Lead Identifications

    LEAD IDENTIFICATIONS KRA103M-AT/P 2SA1015-GR(TE2 F T) LA70100M-TRM-E KRC103M-AT/P 2SC1815-(BL,GR,Y)(TE2 F T) KTA-1266-GR-AT/P 2SC2120-Y(TE2 F T) KTA1267-(GR,Y)-AT/P KTA1281Y-AT/P KTC3199-(BL,GR,Y)-AT/P KTC3203-Y-AT/P RN2204(TE4 F T) E C B E C B BR24L02F-WE2 MID-32A22F 2SK3566 EL817(A,B) CAT24WC02WI-TE13 PT204-6B-12 LTV-817-B-F PS2561A-1(Q,W) 1: Anode 2: Cathode 3: Emitter 4: Collector G D S...

  • Page 38: Exploded Views

    EXPLODED VIEWS Front Panel 1-15-1 HM320FEX...
  • Page 39 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 2L021 SENSOR CBA 2L031 2L041 2L099 2B46 MAIN CBA...
  • Page 40 Packing Unit Some Ref. Numbers are not in sequence. 1-15-3 HM320PEX...

  • Page 41: 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 42: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. ! have special characteristics important to safety. C022 ELECTROLYTIC CAP . 22µF/16V M H7 or CE1CMAVSL220 Before replacing any of these components, read CAP ELE H7-85 22µF/16V H7 CE1CMAVSM220 carefully the product safety notice in this service C025...
  • Page 43 Ref. No. Description Part No. Ref. No. Description Part No. CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V CHD1EZ30F104 ALUMINUM ELECTROLYTIC CAP 2.2µF/50V CE1JMAVSM2R2 C322 ELECTROLYTIC CAP . 10µF/16V M H7 or CE1CMAVSL100 C401 ELECTROLYTIC CAP . 47µF/6.3V M H7 or CE0KMAVSL470 ALUMINUM ELECTROLYTIC CAP 10µF/16V H7 CE1CMAVSM100 ALUMINUM ELECTROLYTIC CAP 47µF/6.3V...
  • Page 44 Ref. No. Description Part No. Ref. No. Description Part No. C522 ELECTROLYTIC CAP . 22µF/6.3V M H7 or CE0KMASSL220 D012 RECTIFIER DIODE FR202-B/P or NDQZ000FR202 ALUMINUM ELECTROLYTIC CAP 22µF/6.3V CE0KMASSM220 FAST RECOVERY DIODE FR202 NDWZ000FR202 D013 RECTIFIER DIODE FR202-B/P or NDQZ000FR202 C523 CHIP CERAMIC CAP .(1608) B K 1000pF/50V...
  • Page 45 Ref. No. Description Part No. Ref. No. Description Part No. L002 BEAD CORE ASSEMBLY HK47PED 1VSA12575 Q563 TRANSISTOR KTC3199-Y-AT/P or NQSYKTC3199P L003! LINE FILTER 56MH TLF14CB5630R2 or LLBG00ZTU022 TRANSISTOR KTC3199-GR-AT/P or NQS4KTC3199P LINE FILTER 50MH LF-4D-E503(PB FREE) LLBG00ZKQ014 TRANSISTOR 2SC1815-Y(TE2 F T) or QQSY2SC1815F L009 CHOKE COIL 47µH or...
  • Page 46 Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 1608 1/10W J 1.0k Ω R053 PCB JUMPER D0.6-P5.0 JW5.0T RRXA102YF002 CHIP RES. 1/10W J 180 Ω or CARBON RES. 1/6W J 33 Ω or R054 RRXAJR5Z0181 R321 RCX6JATZ0330 RES CHIP 1608 1/10W J 180 Ω...
  • Page 47 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 22k Ω or CARBON RES. 1/6W G 10k Ω or R423 RRXAJR5Z0223 R535 RCX6GATZ0103 RES CHIP 1608 1/10W J 22k Ω CARBON RES. 1/4W G 10k Ω RRXA223YF002 RCX4GATZ0103 CHIP RES.
  • Page 48 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 1k Ω RCX4JATZ0102 X501 XTAL 12MHz 12.000MHz or FXD126LDS002 CHIP RES. 1/10W J 1k Ω or R706 RRXAJR5Z0102 QUARTS CRYSTAL 12.000000MHz FXD126LCHE01 RES CHIP 1608 1/10W J 1.0k Ω RRXA102YF002 X502 XTAL QTF38-32768K125P20L or...
  • Page 49 Ref. No. Description Part No. CHIP RES. 1/10W J 75 Ω or R119 RRXAJR5Z0750 RES CHIP 1608 1/10W J 75 Ω RRXA750YF002 CARBON RES. 1/6W J 680 Ω or R120 RCX6JATZ0681 CARBON RES. 1/4W J 680 Ω RCX4JATZ0681 CHIP RES. 1/10W J 220 Ω or R123 RRXAJR5Z0221 RES CHIP 1608 1/10W J 220 Ω...
  • Page 50 VC4006F HM320FD 2006-05-24...

Table of Contents