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Orion TC1973D Service Manual

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COLOR TELEVISION RECEIVER
TC1973D
UHF
CATV
All the specifications and features are subject to change without notice.

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Summary of Contents for Orion TC1973D

  • Page 1 COLOR TELEVISION RECEIVER TC1973D CATV All the specifications and features are subject to change without notice.

  • Page 2: Removal Of Anode Cap

    DISASSEMBLY INSTRUCTIONS 3. After one side is removed. pull in the opposite direction to 1. REMOVAL OF ANODE CAP remove the other. Read the following NOTED items before starling work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.

  • Page 3: Removal Of Deflection Yoke

    DISASSEMBLY INSTRUCTIONS end of the Anode Support into the anode button. then the other as shown in Fig. Fig. l- 5. Confirm that the Support is securely connected. 6. Put on the Rubber Cap without moving any parts. 2. REMOVAL OF DEFLECTION YOKE (Refer to Fig.

  • Page 4: Basic Adjustments

    ELECTRICAL ADJUSTMENTS 1. BEFORE MAKING ELECTRICAL ADJUSTMENTS 1. CUTOFF Read and perform these adjustments when repairing the 2. VSIZE circuits or replacing electrical parts or PC6 assemblies. 3. BRI. AUTO 4. X-RAY CAUTION 5. CONT Use an isolation transformer when performing any 8.
  • Page 5 ELECTRICAL ADJUSTMENTS 10 Kohm In case of strong electric field. (Radio frequency interference can cause diagonal streaks to appear.) 1. Activate the adjustment mcde display and press rhe 4 key. 2. Press the VOL. UP/DOWN key 0” the remote control untit diagonal streaks are at minimum.
  • Page 6 ELECTRICAL ADJUSTMENTS 2-3: CUT OFF 2. Using the remote control. set brightness and contrast to 3. Connect the oscilloscope to TP024. 4. Adjust the screen volume until voltage is 15OVDC. (Refer Fig. 2-7) Fig. 2- 2-4: FOCUS the broadcasting signal. 2.

  • Page 7: Purity And Convergence Adjustment

    ELECTRICAL ADJUSTMENTS 3. PURITY AND CONVERGENCE ADJUSTMENT NOTE NOTE 1. Receive the crosshatch pattern lrom color bar generator. 2. Combine red and blue of the 3 color crosshatch pattern 1. Turn the unit on and let it warm up for at least 30 on the center of the screen by adjusting the pair of minutes before performing the following adjustments.