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ORDER NO. AVS0004254C8 Video Monitor WV-BM990 PO WE R Vid eo Mo nit 9 9 0 or W V- BM V HO LD BR IGH T CO NT RA ST SPECIFICATIONS Power Source : 220-240 V AC, 50 Hz Power Consumption : Approx.
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Y WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians.
MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS Front View Rear View VIDEO IN VIDEO OUT POWER Video Monitor WV-BM V.HOLD BRIGHT CONTRAST q Power Switch (POWER, ON/OFF) t Contrast Control (CONTRAST) This is a push-push type switch which turns the power of Adjusts the picture contrast.
ADJUSTMENT PROCEDURE Connect the coaxial cable between Video Input Connector 1. Test Equipments Required of the WV-BM990 and Video Output Connector of Video Signal Generator. The following Test Equipments are required for adjustment of the Video Monitor WV-BM990. 3.2. Setting Up...
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Adjust the Centering Magnets so that the full Horizontal Loosen Deflection Coil Holding Screw. Width and full Vertical Height become the same Centering Magnets overscanning rate. Repeat adjusting VR408, VR412 and the Centering Magnets until satisfactory. (6). Focus Adjustment Adjust: VR601 (FOCUS) CRT Board Observe:...
CONDUCTOR VIEW CRT BOARD MAIN BOARD MAIN BOARD (Component Side View) (Pattern Side View) (Component Side View) (Pattern Side View) < INDEX > < VOLTAGE > < WAVEFORM > Note: < INDEX > The value indicated in the schematic diagram should be read as follows: MAIN BOARD MAIN BOARD MAIN BOARD...
Binding Head Tapping Screws XTB3+10JFN Binding Head Tapping Screws XYA4+BA20FX Binding Head Tapping Screw and Washer Assy TUC4C0198C Washers PCB2 PACKAGING M41, M42 V101 PT801 E101 PCB1 Vide WV-BM990 o Mon itor V id M on ito r W V- – 7 –...
TXAVB1BM990P CRT Assy PCB1 (RTL) NP4CH0030231 Printed Circuit Board Assy PT801 TLP4C60262S Power Transformer IC501 UPC1379C E101 TSX4C7119H AC Power Cord for WV-BM990/B IC801 M5237L TSX4C7118H AC Power Cord for WV-BM990/G Q301,302 2SD636-QRS Transistor TKE4C5601C Front Cover Q303-306 2SB641QRS Transistor...
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TUC4C0043-10 Heat Sink for Q801 TUC4C0153-4C Heat Sink Y V8QA5383AN Operating Insturactions TUC4C0108C Heat Sink for Q502 TQE8548-1 FUN Bag XZB48X57C05A Polyethylene Bag TQE8593 Polyethylene Bag TXAPD1BM990 Packing Cushion V35A5319A1-B Packaging for WV-BM990/B V35A5319A1-G Packaging for WV-BM990/G – 10 –...