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ORDER NO. AVS0002229C8 Video Monitor WV-CM1020 PO WE R INP UT Vid eo Mo nit ME NU AU DIO or W V- CM – SPECIFICATIONS Power Source : 220 - 240 V AC, 50 Hz Power Consumption : Approx. 47 W Screen Size : 250 mm (9-13/16”) diagonal tube screen size, 90˚...
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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 FOCUS VIDEO B VIDEO A AUDIO AC IN Video Monitor WV-CM POWER INPUT AUDIO – MENU !3 !4 q Power Switch (POWER, ON/OFF) u Focus Control (FOCUS) This is a push-push type switch which turns the power of This control adjusts the screen focus.
Fig 3-1 White Raster Signal Connect the coaxial cable between Video Input Connector Red, Green, Blue each Raster Signal of the WV-CM1020 and Video Output Connector of Video Monoscope Pattern Signal Generator Signal Generator. Audio Analyzer The Fig. 3-2 shows the connecting diagram for the Audio Oscilloscope section adjustment procedure.
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< Service Menu > Press the MENU Button once, and enter to the ADJ Turn the Power Switch on while pressing the Increment MENU. Button (+), the Decrement Button (–) and the MENU The ADJ MENU is as shown in Fig. 3-6. Button simultaneously, and enter to the Service Menu mode.
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(2). Screen Cut off Coarse Adjustment Test Point: TP802 (G) CRT Board Adjust: CUTOFF G Increment Button (+) Decrement Button (–) 40 Vp-p SCREEN Control Flyback Transformer on the Main Board Turn the Power Switch on while pressing the Increment Button (+), the Decrement Button (–) and the MENU Fig.
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Adjust the Increment Button (+) or Decrement Button (–) (8). Screen Cut off Fine Adjustment so that the screen is set to the horizontal center position. Test Point: TP802 (G) CRT Board Repeat above adjustment until they are satisfied. Adjust: STD BRIGHT Increment Button (+) Decrement Button (–)
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(10). Focus Coarse Adjustment Move the deflection coil forward until the red colour fully occupies the entire screen and tighten the screws that Adjust: FOCUS control secure the deflection coil. Flyback Transformer on the Main Board Observe: Colour Video Monitor (12).
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Select the Cursor Buttons (i) or (o) to the STD BRIGHT position. Adjust the Increment Button (+) or Decrement Button (–) so that the first step from the black side is just suppressed. Select the MENU Button to the DEF MENU. Select the Cursor Buttons (i) or (o) to the ABL IN position for saving data.
BLOCK DIAGRAM MAIN BOARD J101 (PAL ONLY) TP801 IC102 (PAL ONLY) Q801 BASEBAND DELAY LINE FOR 1H DELAY OUTPUT CN101 (NTSC ONLY) Q112 BUFFER TP802 V801 VIDEO A Q209-212,L204 R-Y IN SIGNAL CATHODE Q802 PRE-AMP. CLAMPING VIDEO INPUT/OUTPUT RAY TUBE R-Y OUT BUFFER LINE...
CONDUCTOR VIEW AUDIO VIDEO A VIDEO B TO POWER CABLE(E1) (E914: IN/OUT IN/OUT IN/OUT CN901 AC IN MAIN BOARD MAIN BOARD (COMPONENT SIDE) (PATTERN SIDE) YWVM1910L09) (E904:K4DJD0000016) CRT BOARD E904 . . .CN801 HV(ANODE) : TO CRT (V801) FOCUS : TO CRT BOARD .
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YW49USPACER Insulator Crystal Spacer E501 K1PC05D00001 Wire Assy for CRT Board CN805 E901 YWSK0279 Fuse Holder Y YWSP60VVF20 AC Power Cable Assy for WV-CM1020/B E902 YWSK0280 Fuse Holder YWACP45G AC Power Cable Assy for WV-CM1020/G Y YWV8QA5238AN Operating Instructions E904...