Sanyo VMC-8618 Service Manual
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Sanyo VMC-8618 Service Manual

Sanyo VMC-8618 Service Manual

Color video monitor
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SERVICE MANUAL
Color Video Monitor
CONTENTS
SPECIFICATIONS .................................................................... 3
1. OPERATING INSTRUCTIONS ............................................. 4
2. SERVICE ADJUSTMENTS ................................................... 6
3. PARTS LIST ....................................................................... 10
CIRCUIT DIAGRAMS
NOTE: 1. Parts order must contain model number, part number, and description.
2. Substitute parts may be supplied as the service parts.
3. N.S.P. : Not available as service parts.
Design and specifications are subject to change without notice.
L8MV5/US,XE,UK,AU
FILE NO.
VMC-8618
(Product Code : 114 950 71)
(U.S.A, Canada)
VMC-8619P
(Product Code : 114 950 74)
(Europe)
(Product Code : 114 950 76)
(U.K.)
(Product Code : 114 950 78)
(Australia)
REFERENCE No.SM5310261

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Summary of Contents for Sanyo VMC-8618

  • Page 1 2. Substitute parts may be supplied as the service parts. 3. N.S.P. : Not available as service parts. Design and specifications are subject to change without notice. L8MV5/US,XE,UK,AU FILE NO. VMC-8618 (Product Code : 114 950 71) (U.S.A, Canada) VMC-8619P (Product Code : 114 950 74)
  • Page 2 WARNING: Service should not be attempted by anyone unfamiliar with the necessary precautions for this recording or playback equipment. The following precautions are necessary during servicing: Many electrical and mechanical parts in this recorder have special safety-related characteristics for providing protec- tion against shock, fire and other hazards.

  • Page 3: Specifications

    Dimension (W x H x D ) : Weight : Dimensions PAL/NTSC, selected automatically 18 incht (VMC-8618) , 19 incht (VMC-8619P) More than 800 TV lines Separate Y/C signal, mini-DIN 4-pin connector (1) Y signal: 1.0 Vp-p, 75 ohm negative sync C signal: 0.286 Vp-p, 75 ohm negative sync, bridge connection possible...

  • Page 4: Operating Instructions

    1. OPERATING INSTRUCTIONS 1-1. FRONT PANEL CONTROLS 1. Speaker When the monitor selector button (A, B or Y/C) is pressed, the speaker lets you hear the sound from the components which are connected to the terminals at the rear of the monitor. (Use components which produce audio output.) 2.
  • Page 5 1-2. REAR PANEL CONTROLS & CONNECTION 1. AC INPUT socket Connect the AC power cord (supplied) securely to this socket and to a wall outlet. 2. Rear A terminals (AUDIO/VIDEO A terminals) When the monitor A selector button at the front of the monitor is pressed, the audio and video signals from the component which is connected to these terminals can be monitored.

  • Page 6: Service Adjustments

    2. SERVICE ADJUSTMENTS 1. Supply power to the set and measuring instruments and allow to warm up for at least 30 minutes. NOTE Be sure to use a non-metallic driver for adjusting there VRs. A metallic driver can cause damage by shorting. Adjustment tool 1.
  • Page 7 ADJUSTMENT TIMING ITEM PATTERN WHITE BAL- PATTERN GENERATOR ANCE AD- NO SIGNAL JUSTMENT AT VMC-8618 PATTERN GENERATOR FULL WHITE WHITE BAL- PATTERN GENERATOR ANCE AD- NO SIGNAL JUSTMENT AT VMC-8619P PATTERN GENERATOR FULL WHITE LUMINANCE PATTERN GENERATOR ADJUSTMENT NO SIGNAL...
  • Page 8 The way of adjusting it which a color analyzer is not used for. ADJUSTMENT TIMING ITEM PATTERN WHITE BAL- PATTERN GENERATOR ANCE AD- NO SIGNAL JUSTMENT LUMINANCE ADJUSTMENT PATTERN GENERATOR FULL WHITE SETTING LOCATION VR801,VR802, VR801,VR802,VR803,VR804 and VR805 BRIGHT VR , VR803,VR804, is center position.
  • Page 9 MAIN BOARD (Foil side) 11 12 VR503 VR401 X-RAY H-PHASE T502 VR501 VR303 IC202 V-CENTER VR306 H-SIZE IC301 VR304 VR302 VR301 V-LIN V-SIZE T902 Fig. 4 VR801 VR803 VR804 R-GAIN R-BAIS B-BAIS Q804 LED101 VR802 VR805 S103 S107 S102 S105 G-BAIS B-GAIN S101 S108...

  • Page 10: Parts List

    3. PARTS LIST LOCATION PARTS NO. DESCRIPTION 645 048 3462 FRONT PANEL 19" AA-51(EXCEPT VMC-8618) 645 051 0755 FRONT PANEL 19" OC-00067(VMC-8618) 645 048 3431 DIGITAL CONTROL STICKER 19" (EXCEPT VMC-8618) 645 051 0748 DIGITAL 19" OC-00067(VMC-8618 ONLY) 645 048 3479 CONTROL PANEL 19"...
  • Page 11 ELECTRICAL PARTS Note: 1. Materials of Capacitors and Resistors are abbreviated as follows ; Resistors MT-FILM Metallized Film Resistor MT-GLAZE Metallized Glaze Resistor OXIDE-MT Oxide Metallized Film Resistor 2. Tolerance of Capacitor (10pF over) and Resistor are noted with follow symboles. F ...1% G ...2% M ...20%...
  • Page 12 LOCATION PARTS NO. DESCRIPTION C304 645 040 8915 EC CAP MINI 3300UF 25 V C307 645 046 3952 PEI CAP .001UF 100V +/-5% C308 645 034 2967 PEI CAP .0047UF 50V +/-5% C309 645 040 8984 PEI CAP .001UF 50V +/-5% C310 645 046 3990 PEI CAP .0022UF 50V +/-5%...
  • Page 13 LOCATION PARTS NO. DESCRIPTION Q102 645 034 3216 TR 2SC1815GR Q103 645 034 3216 TR 2SC1815GR Q104 645 034 3216 TR 2SC1815GR Q105 645 034 3216 TR 2SC1815GR Q106 645 046 4577 TR DTC124ES Q107 645 034 3216 TR 2SC1815GR Q108 645 034 3216 TR 2SC1815GR...
  • Page 14 LOCATION PARTS NO. DESCRIPTION R422 645 046 2474 CF RES 2.2 KOHM 1/6W +/-5% R423 645 046 2191 CF RES 10 KOHM 1/6W +/-5% R424 645 046 2344 CF RES 16 KOHM 1/6W +/-5% R425 645 046 2191 CF RES 10 KOHM 1/6W +/-5% R426 645 046 2597 CF RES 30 KOHM 1/6W +/-5%...
  • Page 15 645 051 0779 L/W HOUSING 1015 18AWG L=460MM (N.S.P.) ACCESSORIES AND PACKING MATERIALS Note: (XE): Europe, (UK): United Kingdom, (AU): Australia 645 048 3400 CARTON CH-19DXA -PAL(EXCEPT VMC-8618) 645 046 5130 CARTON CH-19DXA -NTSC(VMC-8618) 645 046 5833 PE BAG CM-21DXA 64*48*110CM...

  • Page 16: Table Of Contents

    & PRINTED WIRING BOARDS 1. BLOCK DIAGRAM AND CIRCUIT DIAGRAMS OVERALL WIRING ... C1 BLOCK DIAGRAM ... C1 MAIN BOARD AND CONTROL KEY BOARD ... C2 SIGNAL BOARD ... C5 VIDEO BOARD ... C5 2. PRINTED WIRING BOARDS (P.W.B.) MAIN P.W.B..C6 CONTROL KEY P.W.B.

  • Page 17: Block Diagram And Circuit Diagrams

    BLOCK DIAGRAM AND CIRCUIT DIAGRAMS OVERALL WIRING VIDEO BOARD W801 W802 H-DY & V-DY B201 B904 B401 B901 AC IN B701 MAIN BOARD B903 P201 B101 P201 P101 P102 SIGNAL BOARD CONTROL KEY BOARD L8MV5-WD BLOCK DIAGRAM...

  • Page 18: Main Board And Control Key Board

    AC IN SWITCHING CONTROL C.P.U. F.F. MAIN BOARD AND CONTROL KEY BOARD ON SCREEN DISPLAY AUDIO AMP CRITICAL SAFETY PARTS PAL/NTSC DECOCER V-DEF DELAY F.B.T.

  • Page 21: Signal Board

    SELECT SW SELECT SW VIDEO BOARD SIGNAL BOARD SELECT SW -CLM- CRITICAL SAFETY PARTS...

  • Page 22: Printed Wiring Boards (P.w.b.)

    PRINTED WIRING BOARDS (P.W.B.) MAIN P.W.B. CONTROL KEY P.W.B.

  • Page 23: Video P.w.b

    VIDEO P.W.B. SIGNAL P.W.B.
  • Page 24 SANYO Electric Co.,Ltd. Osaka, Japan Nov./ '01...

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Vmc-8619p

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