Panasonic CT-32SX31E, CT-36SX31CE, CT-36SX31UE, CT-36SX31E, CT-32SX31CE Disassembly for Service

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Disassembly for Service

Back Cover

Remove all the screws marked with an arrow( ) from the back of the Receiver.

Note: Screw configuration, type, and number of screws vary depending on the model of the Receiver serviced and the application; various models are covered in this Manual. Use same hardware when reassembling the receiver.

•4 screws at the top edge of the Receiver.

•4 screw by the A/V jacks.

•1 screw by the antenna jacks.

•1 screw at each lower corner of the Receiver.

•1 screw by the retainer plate of the AC power cord.

To release screen GND cables from L-Board L11 & L12 connectors, insert a wire in both sides of connector and pull upwards the cable, then remove the wire

(See Fig. 6)

Insert wire

Pull cable upwards

Figure 6. L-Board Screen GND cables release

A-Board - Main Chassis

The A-Board assembly rest on a chassis tray along with the D-Board. Slide chassis tray out. Gently lift tray and pull out. Disconnect plug connectors; release wire ties and holders as required for complete chassis removal.

1.A & D-Boards are secured to the chassis tray with five screws.

2.The A-Board is mated to the D-Board by three flexible connectors: A1, A2 & A3 (G1, G2 & G3 on the G-Board, respectively). To remove either boards, unplug the connectors on the A-Board.

Note: Some tie-wraps that secure the wire dressings may need to be unfastened for chassis removal.

L-Board - CRT Output

Plugs into the socket on the CRT neck.

To remove this board, first unplug the board from the CRT neck, then disconnect L1, L2 & L3 connectors, to disconnect the focus F1(Red Cable)

&F2(White Cable) cables, pull the tab and release the cables, finally disconnect the screen cable from the D-Board Fly-Back.

To reinsert back the cables, remember the original position of cables, F1(red cable) goes to A on the CRT socket and F2(white cable) goes to B on the CRT socket.

Press tab

 

leftward to

Pull cables

release cables

upwards

 

 

 

Speakers

Speaker is secured to the cabinet’s front with 4 screws.

Keyboard Push Button Assembly

Fastened to the inside of the cabinet front.

Disassembly for CRT Replacement

1.Discharge the CRT as instructed in the Safety Precautions (see page 2).

2.Disconnect the yoke (DY) plug, degaussing coil (DEG) plug and the CRT 2nd anode button from the board.

3.Remove the L-Board from the CRT socket and unplug the black wires (CRT dag ground) L11 & L12.

4.Lift the Main Chassis (A-Board) and all mounted boards completely out with the CRT Board attached.

CRT Replacement

1.Perform Disassembly for CRT Replacement procedure.

2.Insure that the CRT H.V. Anode button is discharged before handling the CRT. Read the Safety Precautions (see page 2) on handling the picture tube.

3.Remove the components from the CRT neck and place the cabinet face down on a soft pad.

4.Note the original order for the CRT mounting hardware as they are remove from the CRT mounting brackets at each corner of the CRT.

5.Remove the CRT with the degaussing coil and the dag ground braid attached.

Note: After servicing the receiver, remember to dress the cables, as shown above.

Figure 5. F1 & F2 cables release

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Contents NA8ML Main ManualImportant Safety Notice Schematics, Voltages and waveforms Chip Component Installation Service NotesHow to Replace Flat-IC Leadless Chip Component surface mountHorizontal Oscillator Disable Circuit ProcedurePreparation Receiver Features Location of Controls Receiver Remote Control SensorQuick Reference Control Operation Controls InsideLocation of Controls Remote Disassembly for Service Important Notice Screws at top edge Screw by Antenna jacks Screw at lower Back Cover RemovalRight corner Left corner ScrewSource Voltage Chart Chassis Service Adjustment Procedures140.0V B+ Voltage Confirmation High Voltage CheckPurity and Convergence Procedure When the CRT or the Yoke is ReplacedVertical Raster Shift Adjustment Only for Final Convergence Procedure see Fig Purity AdjustmentDynamic Corvergence Adjustment Service Adjustments Electronic Controls procedureDAF Adjustment XV Adjustmentprecise adjustmentYH Adjustment VR2 for Vertical dynamic convergence Permalloy Convergence Corrector Strip Part No FMK014ZZConvergence Magnets and Wedges Location Quick Entry to Serviceman Mode Serviceman Mode Electronic ControlsTo toggle between Aging and Serviceman modes Exiting the Serviceman ModePress Volume Up/Down on For AdjustmentsRemote Control to adjust Press Channel Up/Down onMTS Adjustment Default Level Geometry Adjustments Default LevelPIP Adjustment Default Level Options Adjustment Default Level Option Adjustment Default Level Helpful Hints Entering Serviceman Mode Back-Open Method To Check PurityPress Recall again to select desired field Press Action + Volume Up Simultaneously on Receiver Instructional Flow Chart for Serviceman ModeCUT-OFF Adjustments PIP Adjustments Sub-Contrast Adjustment Service Adjustments Electronic ControlsTint/Color Adjustment PIP Sub-Contrast Adjustment P03Complete Adjustment Color Temperature Adjustment B/W Tracking±0.05V DC 170±2V DCService Adjustments Electronic Controls, MTS Circuit Adjustments Correction Adjustment D02Input Level Adjustment M00 Stereo Separation Adjustment M01 & M02Service Adjustments Mechanical Controls Clock Adjustment S07Focus part of T551

CT-32SX31E, CT-36SX31E, CT-32SX31CE, CT-32SX31UE, CT-36SX31CE specifications

The Panasonic CT-36SX31UE, CT-36SX31CE, CT-32SX31UE, CT-32SX31CE, and CT-36SX31E are part of Panasonic's renowned line of CRT (cathode-ray tube) televisions designed to deliver excellent picture quality and robust performance. These models are known for their advanced features, making them a popular choice for home entertainment enthusiasts.

One of the key features of these televisions is their large screen sizes, with the CT-36SX31 models boasting a striking 36-inch display. The CT-32SX31 models, while slightly smaller at 32 inches, offer an equally immersive viewing experience. The screens are designed with high-resolution capabilities that enhance color depth and clarity, allowing viewers to enjoy a lifelike picture.

Panasonic has incorporated various technologies into these models, such as the Digital Comb Filter, which significantly reduces image distortion and enhances the overall picture quality. This feature allows for clearer images with improved color accuracy, making it ideal for watching movies and sports. Additionally, the models are equipped with a 3D Y/C separation processing feature that further elevates the quality of video playback by enhancing the precision of image separation.

Audio quality is also a focal point of these models. The television sets come with built-in speakers, providing powerful sound output that complements the stunning visuals. With features like surround sound capability, viewers can enjoy an enriched audio experience that brings movies and shows to life.

Connectivity is another essential aspect of these televisions. They are equipped with multiple input options, including composite, S-Video, and component inputs. This variety allows users to connect various devices like DVD players, gaming consoles, and cable boxes, facilitating a versatile entertainment setup.

Durability and reliability are characteristic of Panasonic products, and these models are no exception. Built with quality materials, they are designed to last, ensuring that consumers receive value for their investment.

In summary, the Panasonic CT-36SX31UE, CT-36SX31CE, CT-32SX31UE, CT-32SX31CE, and CT-36SX31E are standout CRT televisions renowned for their large screens, high-resolution image quality, excellent sound output, and robust connectivity options. While CRT technology has since transitioned to flat-panel displays, these models remain a testament to Panasonic's commitment to quality and performance in home entertainment.
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