Panasonic TX-P42S10B Service Manual

Panasonic TX-P42S10B Service Manual

Plasma television
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TX-P42S10B
Model No.
TX-P42S10E
TX-P42S10L
TX-PF42S10
GPF12DE Chassis
© Panasonic Corporation 2009.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PCZ0904063CE
Plasma Television

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Summary of Contents for Panasonic TX-P42S10B

  • Page 1 ORDER NO.PCZ0904063CE Plasma Television TX-P42S10B Model No. TX-P42S10E TX-P42S10L TX-PF42S10 GPF12DE Chassis © Panasonic Corporation 2009. Unauthorized copying and distribution is a violation of law.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions 11.1. Caution statement. -------------------------------------- 41 ----------------------------------------------- 11.2. Wiring (1) -------------------------------------------------- 41 1.1. General Guidelines ----------------------------------------3 1.2. Touch-Current Check--------------------------------------3 11.3. Wiring (2) -------------------------------------------------- 42 2 Warning -------------------------------------------------------------- 11.4. Wiring (3) -------------------------------------------------- 43 12 Schematic Diagram 2.1.
  • Page 3: Safety Precautions

    1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 4: Warning

    2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor [chip] components.
  • Page 5: About Lead Free Solder (Pbf)

    2.2. About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
  • Page 6: Service Navigation

    3 Service Navigation 3.1. Service Hint Board Name Function Board Name Function Power Supply Data Driver (Lower Right) DC-DC Converter, Tuner Data Driver (Lower Left) Speaker out, AV Terminal, AV Switch, PC Scan Drive Digital Signal Processor, SYSTEM MPU, HDMI Switch Sustain Drive Peaks-AVC, Ethernet Sustain out (Lower)
  • Page 7: Applicable Signals

    3.2. Applicable signals COMPONENT (Y, PB, PR), HDMI * Mark: Applicable input signal for Component (Y, PB, PR) and HDMI Signal name COMPONENT HDMI 525 (480) / 60i 525 (480) / 60p 625 (576) / 50i 625 (576) / 50p 750 (720) / 60p 750 (720) / 50p 1,125 (1,080) / 60i...
  • Page 8: Specifications

    4 Specifications Power Source AC 220-240 V, 50 / 60 Hz Power Consumption 295 W Power Consumption in Standby condition 0.4 W (Without monitor out recording) 17 W (With monitor out recording) Display panel Aspect Ratio 16:9 Visible screen size 106 cm (diagonal) 921 mm (W) 518 mm (H) 2,073,600 (1,920 (W)
  • Page 9 Dimensions (W 1,029 mm 704 mm 334 mm (With Pedestal) 1,029 mm 661 mm 105 mm (TV only) Mass 27.0 kg Net (With Pedestal) 25.0 kg Net (TV only) Note • Design and Specifications are subject to change without notice. Mass and Dimensions shown are approximate. •...
  • Page 10: Service Mode

    5 Service Mode 5.1. How to enter into Service Mode While pressing [VOLUME ( - )] button of the main unit, press [0] button of the remote control three times within 2 seconds. 5.1.1. Key command [1] button...Main items Selection in forward direction [2] button...Main items Selection in reverse direction [3] button...Sub items Selection in forward direction [4] button...Sub items Selection in reverse direction...
  • Page 11 5.1.2. Contents of adjustment mode • Value is shown as a hexadecimal number. • Preset value differs depending on models. • After entering the adjustment mode, take note of the value in each item before starting adjustment. 5.1.3. How to exit Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
  • Page 12: Service Tool Mode

    5.2. Service tool mode 5.2.1. How to access 1. Select [SRV-TOOL] in Service Mode. 2. Press [OK] button on the remote control. 5.2.2. Display of SOS History SOS History (Number of LED blinking) indication. From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment. This indication will be cleared by [Self-check indication and forced to factory shipment setting].
  • Page 13: Hotel Mode

    5.3. Hotel mode 1. Purpose Restrict a function for hotels. item Function 2. Access command to the Hotel mode setup menu Hotel Mode Select hotel mode ON/OFF In order to display the Hotel mode setup menu, please Initial INPUT Select input signal modes. enter the following command (within 2 second).
  • Page 14: Troubleshooting Guide

    6 Troubleshooting Guide Use the self-check function to test the unit. 1. Checking the IIC bus lines 2. Power LED Blinking timing 6.1. Check of the IIC bus lines 6.1.1. How to access Self-check indication only: Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds.
  • Page 15: Power Led Blinking Timing Chart

    6.2. Power LED Blinking timing chart 1. Subject Information of LED Flashing timing chart. 2. Contents When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
  • Page 16: No Power

    6.3. No Power First check point There are following 2 states of No Power indication by power LED. 1. No lit 2. Red is lit then turns red blinking a few seconds later. (See 6.2.)
  • Page 17: No Picture

    6.4. No Picture...
  • Page 18: Local Screen Failure

    6.5. Local screen failure Plasma display may have local area failure on the screen. Fig-1 is the possible defect P.C.B. for each local area. Fig-1...
  • Page 19: Service Fixture & Tools

    7 Service Fixture & Tools 7.1. SC jig Purpose: To find the failure board (SC or SU/SD) when the power LED is blinking 7 times. SC jig: Jumper connector to connect to SC50 connector on SC board Part number: TZSC09187 How to use: Caution: Remove SC jig from SC board after inspection.
  • Page 20: Disassembly And Assembly Instructions

    8 Disassembly and Assembly Instructions 8.1. Remove the Rear cover 8.3. Remove the Side terminal 1. See Service Hint (Section 3) cover and Rear terminal cover 8.2. Remove the P-Board 1. Remove the claw ( 1 2. Remove the Side terminal cover. Caution: To remove P.C.B.
  • Page 21: Remove The Tuner Unit

    8.4. Remove the Tuner unit 8.5. Remove the A-Board 1. Unlock the cable clampers to free the cable. 1. Remove the Tuner unit. (See section 8.4.) 2. Disconnect the connectors (A1, A7, A8, A11, A12 and 2. Remove two EDGE SADDLES at top of case. A25).
  • Page 22: Remove The Speakers

    8.6. Remove the Speakers 6. Remove the GK-Board from Control button. 1. Unlock the cable clampers to free the cable. 2. Disconnect the relay connector. 3. Remove the screws ( 2 ) and remove the Speaker R. 4. Disconnect the connector (A12). (See section 8.4.) 5.
  • Page 23: Remove The Sd-Board

    8.10. Remove the SD-Board 8.11. Remove the SC-Board 1. Remove the Control button unit. (See section 8.7.) 1. Remove the SU-Board and SD-Board. (See section 8.9. 2. Remove the flexible cables (SD1, SD2, SD3 and SD4) and 8.10.) connected to the SD-Board. 2.
  • Page 24: Remove The Ss-Board

    8.13. Remove the SS-Board 1. Remove the Tuner unit. (See section 8.4.) 2. Unlock the cable clampers to free the cable. 3. Disconnect the connectors (SS11 and SS33). 4. Disconnect the flexible cables (SS61 and SS64). 5. Disconnect the bridge connector (SS21-SS24). 6.
  • Page 25: Remove The Plasma Panel Section From The Cabinet Assy (Glass)

    8.17. Remove the Plasma panel sec- 3. Remove the Rear cover hooks (L, R). tion from the Cabinet assy (glass) 1. Remove the cabinet assy and the plasma panel fastening screws ( 2 8.18. Remove the S-Board 1. Remove the Cabinet assy. (See section 8.17.) 2.
  • Page 26: Remove The Front Glass

    6. Remove the screw ( 1 ) and remove the S-Board. 8.21. Replace the plasma panel Caution: A new plasma panel itself without Hanger metals is fragile. To avoid the damage to new plasma panel, carry a new plasma panel taking hold of the Hanger metals after assembling the Hanger metals and the Stand brackets.
  • Page 27: Measurements And Adjustments

    9 Measurements and Adjustments 9.1. Adjustment Procedure 9.1.1. Driver Set-up 9.1.1.1. Item / Preparation 1. Input a white signal to plasma video input. 2. Set the picture controls as follows. Picture menu: Dynamic PNR: Min Aspect: 16:9 Caution 1. First perform Vsus adjustment. 2.
  • Page 28: Printed Circuit Board

    9.1.2. Initialization Pulse Adjust 1. Input the White signal to plasma video input. 2. Set the picture controls as follows. Picture menu : Dynamic PNR : Min Aspect : 16:9 3. Connect Oscilloscope to TPSC1 (SC). Check the voltage (T2) at 100 s period on the down slop. Test point Volume Level...
  • Page 29 9.1.4. Adjustment Volume Location 9.1.5. Test Point Location...
  • Page 30: Adjustment

    9.2. Adjustment 9.2.1. Sub-Contrast adjustment Name of measuring instrument Connection Remarks RF generator Base Band signal generator HD signal generator Steps Remarks Adjustment of TV (RF system) Ref.: RF signal modulation spec. Note: UK models: 80% In adjustment, you must setting to modulation of signal at 85%. Other models: 90% 1.
  • Page 31 Steps Remarks Another procedure Adjustment of AV system 1. PAL 100% Full White or Split Colour bar receive AV1(or AV2), shown as below. 2. Goes into service adjustment mode. 3. Push [ 1 ] or [ 2 ] key, and goes into adjustment mode for [ Contrast ]. Adjustment 1.
  • Page 32 9.2.2. RF white balance adjustment Name of measuring instrument Connection Remarks W/ B pattern RF input Color analyzer Panel surface (Minolta CA-100 or equivalent) Steps Remarks • Make sure the front panel to be used on the final set is fitted. Picture menu : Dynamic •...
  • Page 33 9.2.3. 1080i white balance adjustment Name of measuring instrument Connection Remarks 1080i W/ B pattern Component input Color analyzer Panel surface (Minolta CA-100 or equivalent) Steps Remarks • Make sure the front panel to be used on the final set is fitted. Picture menu : Dynamic •...

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