Panasonic CT-32SX31E, CT-36SX31CE, CT-36SX31UE, CT-36SX31E Schematics, Voltages and waveforms

Page 3

Important Safety Notice . . . . . . . . . . . . . . . . . . 2

Safety Precautions . . . . . . . . . . . . . . . . . 2

General Guidelines . . . . . . . . . . . . . . . . . 2

Leakage Current Cold Check . . . . . . . . . 2

X-ray Radiation . . . . . . . . . . . . . . . . . . . . 2

Horizontal Oscillator

Disable Circuit Test . . . . . . . . . . . . . 2

Service Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Leadless Chip Component

(surface mount) . . . . . . . . . . . . . . . . 4 Component Removal . . . . . . . . . . . . . . . 4 Chip Component Installation . . . . . . . . . 4 How to Replace Flat-IC . . . . . . . . . . . . . 4 Horizontal Oscillator Disable Circuit . . . . 5

Receiver Feature Table . . . . . . . . . . . . . . . . . . . 6

Location of Controls (Receiver) . . . . . . . . . . . . 7

Quick Reference Control Operation . . . . 7

Quick Reference. . . . . . . . . . . . . . . . . . . 7

Control Operation . . . . . . . . . . . . . . . . . . 7

Location of Controls (Remote) . . . . . . . . . . . . . 8

Disassembly for Service . . . . . . . . . . . . . . . . . . 9

Back Cover . . . . . . . . . . . . . . . . . . . . . . . 9 A-Board - Main Chassis . . . . . . . . . . . . . 9 L-Board - CRT Output . . . . . . . . . . . . . . 9 Speakers . . . . . . . . . . . . . . . . . . . . . . . . 9 Keyboard Push Button Assembly . . . . . . 9 Disassembly for CRT Replacement . . . . 9 CRT Replacement . . . . . . . . . . . . . . . . . 9 Back Cover Removal . . . . . . . . . . . . . . 11

Chassis Service Adjustment Procedures . . . 12

140.0V B+ Voltage Confirmation . . . . . 12

Source Voltage Chart . . . . . . . . . . . . . . 12

High Voltage Check . . . . . . . . . . . . . . . 12

Purity and Convergence Procedure . . . . . . . 13

When the CRT or the Yoke is Replaced 13 Initial Center Static Convergence . . . . . 14 Purity Adjustment . . . . . . . . . . . . . . . . . 14 Dynamic Corvergence Adjustment . . . . 14 DY(YHC, YV, XV) Adjustment . . . . . . . 14 Permalloy Convergence Corrector

Strip (Part No. 0FMK014ZZ) . . . . . 15 DAF Adjustment . . . . . . . . . . . . . . . . . . 15

Serviceman Mode (Electronic Controls) 17

Exiting the Serviceman Mode. . . . . . . . 17

Entering Serviceman

Mode (Back-Open Method) . . . . . . 23

Instructional Flow Chart for

Serviceman Mode . . . . . . . . . . . . . . . . . . . 24

Service Adjustments

(Electronic Controls). . . . . . . . . . . . . . . . . 27

Sub-Contrast Adjustment . . . . . . . . . . . 27

Sub-Brightness (B02) . . . . . . . . . . . . . . 27

Tint/Color Adjustment . . . . . . . . . . . . . . 27

PIP Sub-Contrast Adjustment (P03) . . . 28

Color Temperature Adjustment. . . . . . . 28

Complete Adjustment . . . . . . . . . . . . . . 28

Horizontal Centering (D00) . . . . . . . . . . 29

E-W PCC Adjustment (D0C). . . . . . . . . 29

Corner PCC Adjustment (D0B). . . . . . . 29

H-Size Adjustment (D0D) . . . . . . . . . . . 29

V-Size and V-Position Adjustment

(D01 & D06) . . . . . . . . . . . . . . . . . . 29

V-Linearity Adjustment (D03) . . . . . . . . 29

V-Correction Adjustment (D02). . . . . . . 30

MTS Circuit Adjustments . . . . . . . . . . . 30

Input Level Adjustment (M00). . . . . . . . 30

Stereo Separation Adjustment

(M01 & M02) . . . . . . . . . . . . . . . . . 30

Clock Adjustment (S07) . . . . . . . . . . . . 31

Service Adjustments

(Mechanical Controls) 31

Focus (part of T551) . . . . . . . . . . . . . . . 31

Audio Signal Path Block Diagram . . . . . . . . . 32

Video Signal Path Block Diagram . . . . . . . . . 33

IIC Connection . . . . . . . . . . . . . . . . . . . . . . . . . 34

Description of Connectors . . . . . . . . . . . . . . . 35

IC101 IN/OUT Pins and Functions (VCJ) . . . . 36

Component Identification . . . . . . . . . . . . . . . . 37

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Schematics, Voltages and waveforms

L-Board Voltages,

PCB & schematics . . . . . . . . . . . . . . . . . 53 A-Board (Left Portion) . . . . . . . . . . . . . . . . . 54 A-Board (Right Portion). . . . . . . . . . . . . . . . 55 A-Board PCB. . . . . . . . . . . . . . . . . . . . . . . . 56 A-Board Voltages . . . . . . . . . . . . . . . . . . . . 57 D-Board schematics . . . . . . . . . . . . . . . . . . 58 D-Board PCB & voltages. . . . . . . . . . . . . . . 59 G-Board schematics . . . . . . . . . . . . . . . . . . 60 G-Board PCB & voltages . . . . . . . . . . . . . . 61 A-Board Waveforms . . . . . . . . . . . . . . . . . . 62

- 3 -

Page 2 Page 4
Image 3
Page 2 Page 4
Contents NA8ML Main ManualImportant Safety Notice Schematics, Voltages and waveforms Leadless Chip Component surface mount Service NotesChip Component Installation How to Replace Flat-ICHorizontal Oscillator Disable Circuit ProcedurePreparation Receiver Features Controls Inside Remote Control SensorLocation of Controls Receiver Quick Reference Control OperationLocation of Controls Remote Disassembly for Service Important Notice Left corner Screw Back Cover RemovalScrews at top edge Screw by Antenna jacks Screw at lower Right cornerHigh Voltage Check Chassis Service Adjustment ProceduresSource Voltage Chart 140.0V B+ Voltage ConfirmationPurity and Convergence Procedure When the CRT or the Yoke is ReplacedVertical Raster Shift Adjustment Only for Service Adjustments Electronic Controls procedure Purity AdjustmentFinal Convergence Procedure see Fig Dynamic Corvergence AdjustmentPermalloy Convergence Corrector Strip Part No FMK014ZZ XV Adjustmentprecise adjustmentDAF Adjustment YH Adjustment VR2 for Vertical dynamic convergenceConvergence Magnets and Wedges Location Exiting the Serviceman Mode Serviceman Mode Electronic ControlsQuick Entry to Serviceman Mode To toggle between Aging and Serviceman modesPress Channel Up/Down on For AdjustmentsPress Volume Up/Down on Remote Control to adjustMTS 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 PIP Sub-Contrast Adjustment P03 Service Adjustments Electronic ControlsSub-Contrast Adjustment Tint/Color Adjustment170±2V DC Color Temperature Adjustment B/W TrackingComplete Adjustment ±0.05V DCService Adjustments Electronic Controls, Stereo Separation Adjustment M01 & M02 Correction Adjustment D02MTS Circuit Adjustments Input Level Adjustment M00Service 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.
Top Page Image Contents