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Sanyo VM-6612 Service Manual
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Sanyo VM-6612 Service Manual

Sanyo VM-6612 Service Manual

B/w video monitor
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Download this manual See also: Service Manual, Instruction Manual
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SERVICE MANUAL

B/W Video Monitor
CONTENTS
SPECIFICATIONS .................................................................... 3
1. OPERATING INSTRUCTIONS ............................................. 5
2. SERVICE ADJUSTMENTS ................................................... 7
3. PARTS LIST ......................................................................... 9
4. CIRCUIT DIAGRAMS ......................................................... 13
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.
L8MAB/US,XE,UK,AU
FILE NO.
VM-6612
(Product Code : 114 901 21)
(U.S.A, Canada)
VM-6612P
(Product Code : 114 901 24)
(Europe)
(Product Code : 114 901 26)
(U.K.)
(Product Code : 114 901 28)
(Australia)
REFERENCE No.SM5310263

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Summary of Contents for Sanyo VM-6612

  • Page 1: Service Manual

    FILE NO. SERVICE MANUAL B/W Video Monitor VM-6612 (Product Code : 114 901 21) (U.S.A, Canada) VM-6612P (Product Code : 114 901 24) (Europe) (Product Code : 114 901 26) (U.K.) (Product Code : 114 901 28) (Australia) CONTENTS SPECIFICATIONS ..............3 1.

  • Page 2: Safety Precautions

    SAFETY PRECAUTIONS 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 Before returning the set to the customer, always perform an special safety-related characteristics for providing protec- AC leakage current check on the exposed metallic parts of tion against shock, fire and other hazards.

  • Page 3: Specifications

    SPECIFICATIONS VM-6612 EIA standard System : ° 12˝ measured diagonally, 90 deflection angle Picture tube : More than 800 TV lines (center) Resolution : Horizontal: 15.75 kHz (EIA), Vertical: 60 Hz (EIA) Scanning frewuency : Input terminals : Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync VIDEO A Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync...
  • Page 4 Fig. 1 DISASSEMBLY METAL TOP COVER Fig. 2 – 4 –...

  • Page 5: Operating Instructions

    1. OPERATING INSTRUCTIONS 1-1. FRONT PANEL CONTROLS 1. Monitor Selector Switch (VIDEO A/B) Turn this Monitor selector switch A position for a signal fed through the rear panel VIDEO A connectors. Then, turn this Monitor selector switch B posi- tion for a signal fed through the rear panel VIDEO B connectors.
  • Page 6 Fig. 4 Single Connection To Video B INPUT terminal (Video signal cable) Monitor To Video A Monitor INPUT terminal To Video input (Video signal cable) terminal Video recorder To Video input terminal Video recorder Video camera (Rear panel) Fig. 5 Coaxial cable To Video input terminal Monitor...
  • Page 7 2. SERVICE ADJUSTMENTS ADJUSTMENT TIMING ADJUSTMENT PROCEDURE SETTING ITEM LOCATION PATTERN VR303 CONTRAST VR Adjust VR303 to make equal distance VERTICAL PATTERN GENERATOR AND BRIGHT between top-center and bottom-center. LINEARITY MODE CROSS-HATCHED VR TO CENTER. ADJUSTMENT PATTERN VR401 CONTRAST VR Turn off horizontal sync.
  • Page 8 MAIN BOARD (Foil side) VR402 SUB-BRITE VR302 VR301 V-SIZE V-HOLD T402 VR404 FOCUS L402 T901 VR401 VR301 Q403 H-HOLD V-LINE Fig. 8 MAIN BOARD VR BOARD (Foil side) VR BOARD SW901 LED1 VR406 VR201 SW202 BRIGHTNESS CONTRAST CHANNEL Fig. 9 –...

This manual is also suitable for:

Vm-6612p