TH-42PM50U INPUT1-2 ± 0.35 Vp-p AUDIO L-R 0.5 Vrms (Phono Jack Type × 2) HDMI HDMI type A Connector AUDIO L-R 0.5 Vrms (Phono Jack Type × 2) Note: Design and Specifications are subject to change without notice. Weight and Dimensions shown are approximate.
TH-42PM50U 2 Safety Precautions 2.1. 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.
TH-42PM50U 3 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
TH-42PM50U 4 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).
TH-42PM50U 5 Service Hint Board Name Function Board Name Function Power Supply Data Driver (Left) DC-DC Converter, Power SOS Data Driver (Right) Audio Power Scan Drive AV Terminal, AV Switch Scan out (Upper) HDMI Interface Scan out (Lower) None serviceable.
TH-42PM50U 6 Plasma panel replacement method 6.1. Remove the Back cover. 6.4. Remove the D-Board 1. See Service hint (Section 5). 1. Remove the PB-Board. 2. Disconnect the couplers (D3, D5, D20 and D25) and 6.2. Remove the P-Board. 3. Disconnect the flexible cables (D33 and D34).
TH-42PM50U 6.5. Remove the rear terminal 6.7. Remove the DV-Board cover 1. Unlock the cable clampers to free the cable. 2. Remove the screws (×6 and ×1 1. Remove the screws (×4 , ×3 , ×2 , and ×1 3. Remove the DV-Board.
TH-42PM50U 6.8. Remove the DG-Board 6.10. Remove the PA-Board 1. Unlock the cable clampers to free the cable. 1. Unlock the cable clampers to free the cable. 2. Disconnect the couplers (DG3 and DG5). 2. Disconnect the couplers (PA7 and PA10).
TH-42PM50U 6.12. Remove the SU-Board 6.13. Remove the SD-Board 1. Remove the screws (×2 1. Remove the screws (×2 2. Slide the SU-Board to the left to disconnect from a coupler 2. Slide the SD-Board to the left to disconnect from a coupler...
TH-42PM50U 6.14. Remove the SC-Board 6.16. Remove the C1-Board 1. Disconnect the couplers (SC2, SC20 and SC23). 1. Remove the flexible cables holder fastening screws (×6 2. Remove the screws (×6 ) and remove the SC-Board. 2. Disconnect the flexible cables (CB1, CB2 and CB3).
TH-42PM50U 6.18. Remove the K-Board 1. Unlock the cable clampers to free the cable. 2. Disconnect the couplers (H7 and SS34). 3. Remove the screws (×3 ) and remove the K-Board. 6.20. Remove the Speaker L, R 1. Remove the screw (×8 ) and remove the Speaker L, R.
TH-42PM50U 6.21. Remove the Plasma panel 6.22. Replace the plasma panel section from the Front frame (finished). (glass) 1. Place the new plasma panel (finished) on the flat surface of the table (covered by a soft cloth), with the plasma panel 1.
TH-42PM50U 8 Self-check Function When symptoms like “the power fails sometimes” or “sometimes there is no picture and/or sound” can not be confirmed at the time of servicing, the self-check function can be used to confirm the occurrence and to find the defective circuit.
TH-42PM50U 8.2. 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 blinkes of the Power LED on the front panel of the unit.
TH-42PM50U 8.3. 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 8.2.) 1. No lit...
TH-42PM50U 8.5. 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...
TH-42PM50U 9 Serviceman Mode 9.1. How to enter into Serviceman Mode While pressing [VOLUME- ] button of the main unit, press [RECALL] button of the remote control three times in a row (within 2 seconds). 9.1.1. Adjustment method..Use the remote control.
TH-42PM50U 10 Adjustment Procedure 10.1. Driver Set-up 10.1.1. Item / Preparation 1. Input an APL 100 % white signal. 2. Set the picture controls: - Picture mode: Normal White balance: Cool Aspect: 16:9 10.1.2. Adjustments Adjust driver section voltages referring the panel data on the panel data label.
TH-42PM50U 10.2. Initialization Pulse Adjust 1. Input a Cross hatch signal. 2. Set the picture controls: - Picture mode: Normal White balance: Cool Adjust the indicated test point for the specified wave form. Test point Volume Level TPSC1 (SC) 15 ± 10µ Sec...
TH-42PM50U 10.3. P.C.B. (Printed Circuit Board) exchange 10.3.1. Caution 1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors. 10.3.2. Quick adjustment after P.C.B. exchange P.C.B. Name Test Point Voltage Volume Remarks P Board...
TH-42PM50U 11.3. Sub bright adjustment Instrument Name Connection Remarks 1. NTSC signal generator Connect to the input terminal Procedure Remarks · · · · Color balanve adjustment is finished for each signal. Picture menu : Dynamic Color balance : Normal ·...
TH-42PM50U 12.5. DV-Board Parts Location DV-BOARD THIS IS FOR REFERENCE USE ONLY. TRANSISTOR IC5003 Q5001 THIS MUST BE REPLACED WITH IC5015 Q5002 IC5016 Q5003 AN EXCHANGE BOARD ONLY. IC5017 Q5004 Q5020 DV-BOARD(FOIL SIDE) DV-BOARD(COMPONENT SIDE) TNPA3626 TNPA3626 ZA002 JK001 IC015...
POWER SOS CONTROL RECTIFIER STB_PS AC CORD POWER SUSTAIN SUSTAIN LINE VSUS RELAY RECTIFIER FACTOR VOLTAGE VOLTAGE FILTER CONTROL CONTROL RECTIFIER DATA DRIVER(LEFT) DATA DRIVER(RIGHT) Vda-67V S.R. S.R. S.R. S.R. S.R. S.R. S.R. TH-42PM50U Main Block Diagram TH-42PM50U Main Block Diagram...
TH-42PM50U 13.34. D-Board Block Diagram DIGITAL SIGNAL PROCESSOR FORMAT CONVERTER, IC9302 PLASMA AI DDR SDRAM(128M) SUB-FIELD PROCESSOR IC9300 FORMAT CONVERTER/RGB PROCESSOR PLASMA AI/SUB FIELD PROCESSOR TO C11 R 10bit CTI/TINT Video DATA 24bit(DA,DB,DC8-15) R 10bit DATA L G 10bit FORMAT...
TH-42PM50U 14.5. Mechanical Replacement Parts List Note: Ref. Part No. Part Name & Remarks Description All parts except parts mentioned [PAVCA] in the Remarks TSXL461 CABLE(DG1-H1/DG2- column are supplied by AVC-SPC. TTUA1281S REAR COVER PAVCA Parts mentioned [PAVCA] are supplied by PAVCA.
TH-42PM50U 15.2. Electrical Replacement Parts List Note: Ref. Part No. Part Name & Remarks Description All parts except parts mentioned [PAVCA] in the Remarks C2489,9 ECJ2XB1H332K C 3300PF, K, 50V column are supplied by AVC-SPC. C2497,9 ECJ2FB1E105K C 1UF, K, 25V Parts mentioned [PAVCA] are supplied by PAVCA.
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C4005,0 ECJ1XC1H180J C 18PF, J, 50V C4217,1 ECJ1XC1H181J C 180PF, J, 50V C4008- ECJ1XB1C104K C 0.1UF, Z, 16V C4219,2 ECJ1XC1H330J C 33PF, J, 50V...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C4470- ECJ1XB1C104K C 0.1UF, Z, 16V C6007,0 ECA2CM101 E 100UF, 160V C4474- ECJ1XC1H102J C 1000PF, J, 50V C6009 ECJ2XB1H103K C 0.01UF, K, 50V...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C6546 TCUY1C105ZFN C 1UF, 16V C7226,2 ECJ1XC1H220J C 22PF, J, 50V C6550 ECA2CM101 E 100UF, 160V C7235 ECJ1XB1C104K C 0.1UF, Z, 16V C6551 ECQE2224KF P 2.2UF, K,250V...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C9727 ECJ1XC1H102J C 1000PF, J, 50V D6022 B0HBSN000008 DIODE C9728,2 ECJ3XF1C475Z C 4.7UF, Z, 16V D6023 B0ECHP000003 DIODE D6024 B0HBSN000008 DIODE C9730,3 EEEHB1C470P...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description D6543 B0HCKS000002 DIODE H1,H2 K1MN40B00045 40P CONNECTOR D6544 MA111 DIODE K1KA12AA0178 12P CONNECTOR D6545 MA8051L ZENER DIODE K1KA11AA0194 11P CONNECTOR D6546- MA8330M ZENER DIODE...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description IC9001 TVRN460-3 JS4067 J0JCC0000100 CHIP INDUCTOR IC9003 C2CBJG000660 JS4071 ERJ3GEYJ103 M 10KOHM,J,1/16W IC9004 C0EBE0000120 JS4072, J0JCC0000100 CHIP INDUCTOR IC9005, C0JBAZ000856 JS5601 J0JCC0000100 CHIP INDUCTOR...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description L6050 G0ZZ00002183 PEAKING COIL Q4055 2SA207700L TRANSISTOR L6451 J0JJC0000021 CHIP INDUCTOR Q4056- 2SD601A TRANSISTOR L6453 J0JJC0000021 CHIP INDUCTOR Q4062 2SD601A TRANSISTOR L6471 J0JJC0000021...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description Q6611 2SD2185 TRANSISTOR R2436 ERJ6GEY0R00 M 0 OHM, 1/10W Q6612 2SB1073001TV TRANSISTOR R2437,3 ERJ3GEYJ103 M 10KOHM,J,1/16W Q6613 2SD2185 TRANSISTOR R2444,4 ERJ6GEYJ102 M 1KOHM,J,1/10W...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R2758 ERJ3GEYJ221 M 220 OHM,J,1/16W R4020 J0JCC0000100 CHIP INDUCTOR R2759 ERJ6ENF75R0 M 75 OHM, 1/10W R4021 ERJ3GEYJ273 M 27KOHM,J,1/16W R2761- ERJ3GEYJ221 M 220 OHM,J,1/16W...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R4171- J0JCC0000100 CHIP INDUCTOR R4392 ERJ3GEYJ103 M 10KOHM,J,1/16W R4408 ERJ3EKF1741 M 17.4 OHM, 1/16W R4174 ERJ3GEYJ102 M 1KOHM,J,1/16W R4409 ERJ3GEYJ220 M 22 OHM,J,1/16W...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R4547- EXB2HV680J RESISTOR ARRAY R4771 TAJAAH0101JV M 100 OHM,J,1/16W R4775 ERJ3GEYJ103 M 10KOHM,J,1/16W R4551,5 J0JCC0000100 CHIP INDUCTOR R4780- ERJ6GEY0R00 M 0 OHM, 1/10W...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R6026 ERJ6GEYJ100 M 10 OHM,J,1/10W R6466 ERJ6GEYJ102 M 1KOHM,J,1/10W R6027,2 TAJAAH0101JV M 100 OHM,J,1/16W R6467 ERJ6GEYJ122 M 1.2KOHM,J,1/10W R6468 ERJ6GEYJ472 M 4.7KOHM,J,1/10W R6029-...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R6567,6 ERJ6GEYJ472 M 4.7KOHM,J,1/10W R6696 ERJ6GEYJ103 M 10KOHM,J,1/10W R6699 ERJ6GEYJ103 M 10KOHM,J,1/10W R6570 ERJ6GEYJ103 M 10KOHM,J,1/10W R6901 ERJ6GEYJ101 M 100 OHM,J,1/10W R6571- ERJ6GEYJ471...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R7225 ERJ6GEYJ102 M 1KOHM,J,1/10W R9073 EXB2HV470JV RESISTOR ARRAY R7226- TAJAAH0470JV M 47 OHM,J,1/16W R9074 TAJAAH0101JV M 100 OHM,J,1/16W R9075 EXB2HV470JV RESISTOR ARRAY R7230...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R9329 ERJ3GEYJ103 M 10KOHM,J,1/16W R9910,1 ERJ3GEYJ220 M 22 OHM,J,1/16W R9330- J0JCC0000100 CHIP INDUCTOR R9912 EXB2HV470JV RESISTOR ARRAY R9335,3 ERJ3GEYJ472 M 4.7KOHM,J,1/16W R9913 ERJ3GEYJ220...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description K1MN35A00015 35P CONNECTOR C510 ECJ2XB1H104K C 0.1UF, K, 50V C511 ECA1EM331 E 330UF, 25V ZA5601- K9ZZ00000424 CONNECTOR C512-14 ECJ2XC1H471J C 470PF, J, 50V...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description D425 MA188 DIODE IC505 CNC1S171R D427-29 ERA15-10 DIODE IC506 C0ZBZ0000878 D431 B0JCDD000002 DIODE IC507 C0CBABE00023 D433 MA4150M ZENER DIODE IC509 C0DABZZ00010 D434 MA4082M...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description Q530 B1CBGD000001 TRANSISTOR R466,67 ERJ6GEYJ102 M 1KOHM,J,1/10W Q535 2SD1819A TRANSISTOR R468 ERJ6GEYJ472 M 4.7KOHM,J,1/10W Q536-38 B1CFQD000001 TRANSISTOR R469 ERJ6GEYJ103 M 10KOHM,J,1/10W Q541 B1CBGD000001...
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TH-42PM50U Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R562 ERJ6ENF1802 M 18KOHM, 1/10W R653 ERJ6GEYJ103 M 10KOHM,J,1/10W R563 ERJ6GEYJ2R2 M 2.2 OHM,J,1/10W R654 ERJ8GEYJ101 M 100 OHM, J,1/8W R564 ERJ6GEYJ474 M 470KOHM,J,1/10W...
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TH-42PM50U Ref. Part No. Part Name & Remarks Description T401 G4D4A0000107 SWITCHING TRANSFORMER T402 G4D1A0000098 SWITCHING TRANSFORMER T404 G4D4A0000109 SWITCHING TRANSFORMER T407 ETQ11K5AZ CHOKE TRANS T410 G4D2A0000229 SWITCHING TRANSFORMER T601 G4D2A0000227 SWITCHING TRANSFORMER ERDS2TJ391 C 390 OHM, J,1/4W X501 H2B400400021...