Panasonic CT-27D10B Service Manual

Also see for CT27D10DB - 27" COLOR TV: User guide

Panasonic CT-27D10B Service Manual Manual pdf 3 page image

- 3 -Important Safety Notice . . . . . . . . . . . . . . . . . . 2Safety Precautions . . . . . . . . . . . . . . . . . 2Service Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . 4Horizontal Oscillator Disable Circuit . . . . 5Receivers Feature Table . . . . . . . . . . . . . . . . . . 6Location of Controls (Receiver)Receiver Front Control Panel . . . . . . . . . 7Location of Controls (Remote)EUR511502 . . . . . . . . . . . . . . . . . . . . . . 8Disassembly for Service . . . . . . . . . . . . . . . . . . 9Disassembly for CRT Replacement . . . . . . . . . 9Chassis Service Adjustment Procedures . . . 10131.0V B+ Voltage Confirmation . . . . . 10Source Voltage Chart . . . . . . . . . . . . . . 10High Voltage Check . . . . . . . . . . . . . . . 10Purity and Convergence Procedures . . . . . . .11Serviceman Mode (Electronic Controls) . . . . 14Entering Serviceman Mode . . . . . . . . . 14Toggle between Modes. . . . . . . . . . . . . 14Exiting the Serviceman Mode. . . . . . . . 14Sub-Data Adjustment (B) . . . . . . . . . . . 15Cut-Off Adjustment (C) . . . . . . . . . . . . . 15Pin Cushion Adjustment (D) . . . . . . . . . 16MTS Adjustment (M). . . . . . . . . . . . . . . 16PIP Adjustment (P) . . . . . . . . . . . . . . . . 17Options Adjustment (S) . . . . . . . . . . . . 18Comb Filter Adjustment (X) . . . . . . . . . 19To Check Purity . . . . . . . . . . . . . . . . . . 20Helpful Hints . . . . . . . . . . . . . . . . . . . . . 20Instructional Flow Chartfor Serviceman Mode . . . . . . . . . . . . . . . . 21Service Adjustments(Electronic Control). . . . . . . . . . . . . . . . . . 24Sub-Brightness . . . . . . . . . . . . . . . . . . . 24Sub-Contrast. . . . . . . . . . . . . . . . . . . . . 24Tint/Color Adjustment . . . . . . . . . . . . . . 24Color Temperature Adjustment . . . . . . . 25Complete Adjustment . . . . . . . . . . . . . . 25Horizontal Centering . . . . . . . . . . . . . . . 26MTS Circuit Adjustment . . . . . . . . . . . . 26Input Level Adjustment . . . . . . . . . . . . . 26Stereo Separation Adjustment . . . . . . . 26Clock Adjustment . . . . . . . . . . . . . . . . . 27Vertical Size . . . . . . . . . . . . . . . . . . . . . 27Service Adjustments(Mechanical Controls). . . . . . . . . . . . . . . . 27VCO Field Adjustment L105 . . . . . . . . . 27Focus (Part of T551). . . . . . . . . . . . . . . 27Audio Signal Path Block Diagram . . . . . . . . . 28Video Signal Path Block Diagram . . . . . . . . . 29Video-Chroma Signal Path Block Diagram . . 30IC101 VCJ IN/OUT Pins and Functions . . . . . 31IC001 MPU IN/OUT Pins and Functions. . . . . 32Component Identification . . . . . . . . . . . . . . . . 33Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36Schematics and VoltagesA-Board (Left Portion) . . . . . . . . . .Sheet-1AA-Board (Right Portion) . . . . . . . . .Sheet-2AC-Board . . . . . . . . . . . . . . . . . . . . . .Sheet-1BWaveforms . . . . . . . . . . . . . . . . . . . .Sheet-1BLayoutsA & C-Boards. . . . . . . . . . . . . . . . . .Sheet-1B