Panasonic CT-36SX31CE - Manuals

Panasonic CT-36SX31CE – Manual in PDF format online.

Manuals:

Manual

Manual Panasonic CT-36SX31CE

Summary

Page 2 - Important Safety Notice; Safety Precautions; General Guidelines; Note: It is important to use an accurate, calibrated; Horizontal Oscillator Disable Circuit Test

- 2 - Important Safety Notice Special components are used in this television set which are important for safety. These parts are identified on the schematic diagram by the symbol and printed in BOLD TYPE on the replacement part list. It is essential that these critical parts are replaced with the ma...

Page 3 - Leadless Chip Component; Instructional Flow Chart for; Schematics, Voltages and waveforms

- 3 - Important Safety Notice . . . . . . . . . . . . . . . . . . 2 Safety Precautions . . . . . . . . . . . . . . . . . 2General Guidelines . . . . . . . . . . . . . . . . . 2Leakage Current Cold Check . . . . . . . . . 2X-ray Radiation . . . . . . . . . . . . . . . . . . . . 2Horizontal Oscillator...

Page 4 - Service Notes; Component Removal; Chip Components; Soldering iron

- 4 - Service Notes Leadless Chip Component(surface mount) Chip components must be replaced with identical chipsdue to critical foil track spacing. There are no holes inthe board to mount standard transistors or diodes.Some chips capacitor or resistor board solder padsmay have holes through the boar...

Page 5 - Horizontal Oscillator Disable Circuit; Note; Procedure; μΑ

- 5 - Service Notes (Continued) IMPORTANT: To protect against possible damage tothe solid state devices due to arcing or staticdischarge, make certain that all ground wires and CTRDAG wire are securely connected. CAUTION: The power supply circuit is above earthground and the chassis cannot be polari...

Page 6 - Receiver Feature Table; Table 1. Receiver Features

- 6 - Receiver Feature Table FEATURE\MODEL CT-32SX31E/UE/CE CT-36SX31E/UE/CE Chassis NA8ML Tunning system 96K # of channels 181 Menu language Eng/Span/Fr Closed Caption X V-Chip (USA/CANADA) X 2RF X Remote Model # EUR511500 Picture tube AMEC Comb Filter 3 DIG VM X V/A norm X Color Temp X MTS/SAP/DBX...

Page 7 - Quick Reference Control Operation; Quick Reference

- 7 - Location of Controls (Receiver) Quick Reference Control Operation Quick Reference Control Operation Power Button - Press to turn ON or OFF. Volume Buttons - Press to adjust Sound Level, or to adjust Audio Menus, VideoMenus, and select operating features when menus are displayed Channel Buttons...

Page 9 - Disassembly for Service; Back Cover; Note: Some tie-wraps that secure the wire dressings; Speakers

- 9 - 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 themodel of the Receiver serviced andthe application; various models arecovered in this Manual. Use samehardwa...

Page 10 - Note: To remove the four brackets holding; Figure 7. Brackets removal; a.Unhook the coil spring from the bottom corners; Note: Reuse all the clampers and mounting

- 10 - Disassembly for Service (Continued) Note: To remove the four brackets holding the degauss coil from the corners ofthe CRT, first remove the CRT fromthe cabinet, then remove the Bracketsby pressing the tab on the bracket andpull upwards. These Brackets areincluded in the Degauss Coil Kit, forp...

Page 11 - Back Cover Removal; Figure 8. Back Cover Removal

- 11 - Back Cover Removal Figure 8. Back Cover Removal 4 screws at top edge 1 screw at lower 1 screw left corner 1 screw by antenna jacks 1 screw 1 screw 1 screw 1 screw at lower right corner

Page 12 - Chassis Service Adjustment Procedures; Connect the DVM between; Source Voltage Chart; Adjust Picture Menu for normalized video adjustments.; High Voltage Check; VOLTAGE

- 12 - Chassis Service Adjustment Procedures All service adjustments are factory preset and should not require adjustment unless controls and/orassociated components are replaced. Note: Connect the (-) lead of the voltmeter to the appropriate ground. Use heat sink when the HOT ground symbol ( ) is u...

Page 13 - Purity and Convergence Procedure; Initial static convergence.; When the CRT or the Yoke is Replaced; Place the vertical raster shift tabs at 3 o’clock (90

- 13 - Purity and Convergence Procedure Adjustment is necessary only if the CRT or thedeflection yoke is replaced or if the setting wasdisturbed. The complete procedure consists of:1. Vertical Raster Shift Adjustment. (Only for Modelswith Purity/Convergence Assembly with 4 Pairsof Rings). 2. Initial...

Page 14 - Initial Center Static Convergence; Note: Precise convergence at this point is; Purity Adjustment; Adjustment (VR1 for Horizontal dynamic; Apply a crosshatch pattern.; Figure 12. Green Raster Adjustment

- 14 - Initial Center Static Convergence Connect a dot/cross hatch generator to the Receiverand tune in a signal. Observe misconvergence atcenter of the screen only.Adjust the R&B pole magnets; by separating tabs androtating to converge blue with red.Adjust the R&B and R&B&G pole mag...

Page 15 - Adjustment (VR2 for Vertical dynamic; Note: Apply a red pattern and confirm purity, if purity; DAF Adjustment; Adjustment

- 15 - Y H Adjustment (VR2 for Vertical dynamic convergence)1. Apply a crosshatch pattern. 2. Adjust contrast and brightness customer controlsto obtain a correct picture. 3. With a driver Adjust VR2 (located in deflection yokeboard Fig. 19) to obtain a proper corvergence atleft and right side of the...

Page 16 - R G B; Figure 19. Convergence Magnets and Wedges Location

- 16 - R G B As the yoke is tiltedvertically, the rastersproduced by theoutside guns rotate inopposite directions. Figure 17. Vertical Yoke Movement R G B Raster produced from one of theoutside electron beams Raster from the other side electronbeam Static convergence magnets are set forcenter conver...

Page 17 - Note: Only the applicable settings for

- 17 - Serviceman Mode (Electronic Controls) This Receiver has electronic technology using the I²C Bus Concept. It performs as a control function and itreplaces many mechanical controls. Instead of adjusting mechanical controls individually, many of the controlfunctions are now performed by using “O...

Page 18 - Note: Write Down the original

- 18 - Press the Power Button on the Remote Control to select the Serviceman Adjustment . For Adjustments: Sub-Data Adjustment Default Level B00 SUB-COLOR 31 B01 SUB-TINT 40 B02 SUB-BRIGHTNESS 40 B03 SUB-CONTRAST 16 B04 SUB-TINT VIDEO 16 B05 SUB-COLOR VIDEO 22 B06 SUB-TINT COMP 63 B07 SUB-COLOR COMP...

Page 20 - Note: Some adjustment modes may not be

- 20 - Press the Power Button on the Remote Control to select the Serviceman Adjustment For Adjustments: PIP Adjustment Default Level P00 PIP COLOR 53 P01 PIP TINT 64 P02 PIP BRIGHTNESS 11 P03 PIP CONTRAST 58 P04 PIP POS V_TOP 26 P05 PIP POS V_BOTTOM 143 P06 PIP POS H_LEFT 10 P07 PIP POS H_RIGHT 101...

Page 21 - OPTIONS Adjustment

- 21 - Press the Power Button on the Remote Control to select the Serviceman Adjustment For Adjustments: 1.Press Channel Up/Down on the Remote Control to select one ofthe available Service Adjustments(a in Fig. 20). Note: Write Down the original value set (b in Fig. 20 ) for each address beforemodif...

Page 23 - Press Recall again to select desired field.; Helpful Hints; While the Receiver is ON or Puggled and operating in Normal Mode,; The Receiver enters the Aging Mode

- 23 - To Check Purity: Press the Recall Button on the Remote Control when in Serviceman Mode (red “CHK” is displayed) to enter thePurity Field Check Mode. Press Recall again to select desired field. NORMAL SCREEN WHITE SCREEN RED SCREEN GREEN SCREEN BLUE SCREEN Figure 21. Purity Check Field Mode. H...

Page 24 - Instructional Flow Chart for Serviceman Mode; NORMAL MODE; Momentarily short FA1 to FA2; BLUE; SERVICEMAN MODE; EXIT; Figure 22. Flow Chart for Serviceman Mode.

- 24 - Instructional Flow Chart for Serviceman Mode Adj. needed? NORMAL MODE Momentarily short FA1 to FA2 . Press Action + Volume Up Simultaneously (ON Receiver) Adj. needed? WHITE SCREEN (ON REMOTE) RECALL WHITE SCREEN RED SCREEN GREEN SCREEN BLUE SCREEN POWER (ON REMOTE) AGING MODE • Yellow “CHK” ...

Page 25 - Instructional Flow Chart for Serviceman Mode - Continued; PINCUSHION ADJUSTMENTS.

- 25 - Instructional Flow Chart for Serviceman Mode - Continued Adj. needed? CUT-OFF ADJUSTMENTS. C ITEMS. A N Y PINCUSHION ADJUSTMENTS. D ITEMS. Adj. needed? N Y MTS ADJUSTMENTS. M ITEMS. Adj. needed? N Y POWER (ON REMOTE) POWER (ON REMOTE) POWER (ON REMOTE) ON REMOTE CONTROL TO SELECT ADJUSTMENT O...

Page 26 - Note: Some adjustments modes may not be

- 26 - Instructional Flow Chart for Serviceman Mode - Continued Adj. needed? COMB-FILTER ADJUSTMENTS. X ITEMS. B N Y POWER (ON REMOTE) EXIT C N IMPORTANT NOTE: Always Exit the Serviceman Mode Following Adjustments. Press Action and Power on the Receiversimultaneously for at least 2 seconds. PIP ADJU...

Page 27 - Service Adjustments (Electronic Controls); Sub-Contrast Adjustment

- 27 - Service Adjustments (Electronic Controls) Sub-Contrast Adjustment Serviceman DAC Adjustment (B02, B03)This adjustment is factory set. Do not adjust unlessrepairs are made to associated circuit, the CRT Boardor when the CRT is replaced. Preparation:1. Apply a Black-White pattern. 2. Set the pi...

Page 28 - Complete Adjustment

- 28 - Procedure:1. Connect the oscilloscope to TPY1. 2. Apply a color bar signal in main and PIP (PIP on). 3. In the Serviceman Mode for making electronicadjustments, select the DAC adjustment (P03) forPIP Sub-Subcontrast so that child (PIP) level is90% of parent (MAIN) signal (See Fig. 29) Color T...

Page 29 - Note: When using a different pattern, correlate with

- 29 - Service Adjustments (Electronic Controls, cont.) Horizontal Centering (D00) This Adjustment helps to center the picture horizontallyPreparation: Connect a monoscope pattern signal. Procedure: 1. In the Serviceman Mode for making electronicadjustments. Select the Horizontal CenteringAdjustment...

Page 30 - MTS Circuit Adjustments

- 30 - V-Correction Adjustment (D02) Preparation:1. Apply a Crosshatch pattern. 2. Adjust (D01) so that V-Size is regular size. 3. If b-a<-1.5mm (in top and bottom), increase (D02)by one step and adjust (D01) so that V-Size isregular; repeat steps until b-a ≤ 1.5mm 4. If b-a>-1.5mm (in top and...

Page 31 - Connect the frequency counter to TPS1 (IC001; Note: Frequency Counter probe capacitance should; regardless of the value stored in S07.; Service Adjustments (Mechanical Controls); p i n

- 31 - Service Adjustments (Electronic Controls, cont.) Clock Adjustment (S07) Preparation: Connect the frequency counter to TPS1 (IC001 pin-13) and cold ground ( ). Note: Frequency Counter probe capacitance should be 8pF or less. Procedure:1. Measure TPS1 (IC001 pin 13) for the frequency ofthe wave...