Panasonic TH-42PX80U Service Manual
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Panasonic TH-42PX80U Service Manual

42” class 720p plasma hdtv
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See also: Technical Manual
42" Class 720p Plasma HDTV
TH-42PX80U
Model No.
GPH11DU Chassis
© 2008 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
ORDER NO. MTNC080201CE
B34 Canada: B07

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Summary of Contents for Panasonic TH-42PX80U

  • Page 1 ORDER NO. MTNC080201CE B34 Canada: B07 42” Class 720p Plasma HDTV TH-42PX80U Model No. GPH11DU Chassis © 2008 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribu- tion is a violation of law.

  • Page 2: Safety Precautions

    1 Safety Precautions 1.1. General Guidelines 1. When conducting repairs and servicing, do not attempt to modify the equipment, its parts or its materials. 2. When wiring units (with cables, flexible cables or lead wires) are supplied as repair parts and only one wire or some of the wires have been broken or disconnected, do not attempt to repair or re-wire the units.
  • Page 3 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"...
  • Page 4 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 5: Service Navigation

    3 Service Navigation 3.1. Service Hint Board Name Function Board Name Function Power Supply Data Driver (Lower Right) DC-DC Converter Data Driver (Lower Left) Speaker out, Sound Processor Scan Drive AV Terminal, AV Switch Scan out (Upper) Digital Signal Processor, Micon, HDMI Interface Scan out (Lower) Peaks Lite 2p Sustain Drive...

  • Page 6: Applicable Signals

    3.2. Applicable signals * Mark: Applicable input signal for Component (Y, PB, PR) and HDMI horizontal frequency (kHz) vertical frequency (Hz) COMPONENT HDMI 525 (480) / 60i 15.73 59.94 525 (480) /60p 31.47 59.94 750 (720) /60p 45.00 59.94 1,125 (1,080) /60i 33.75 59.94 1,125 (1,080)/60p...

  • Page 7: Specifications

    4 Specifications Power Source AC 120 V, 60 Hz Power Consumption Maximum 385 W Standby condition 0.3 W Plasma Display panel Drive method AC type Aspect Ratio 16:9 Visible screen size 42 " class (41.6 inches measured diagonally) (W × H × Diagonal) 36.2 "...

  • Page 8: Service Mode

    5 Service Mode 5.1. How to enter into Service Mode While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds. 5.1.1. Key command “1” button...Main items Selection in forward direction “2”...

  • Page 9: Contents Of Adjustment Mode

    Contents of adjustment mode 5.1.2. • 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. Main item Sub item Sample Data Remark ADJUST...

  • Page 10: 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 except 2nd and 1st occurrence after shipment will be cleared by “Self-check indication and forced to factory ship- ment setting”.

  • Page 11: Hotel Mode

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

  • Page 12: 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 13: 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 14 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 15 6.4. No Picture...

  • Page 16: 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 17: Disassembly And Assembly Instructions

    7 Disassembly and Assembly Instructions 7.1. Remove the Back cover 7.4. Remove the A-Board unit 1. See Service Hint (Section 5) 1. Unlock the cable clampers to free the cable. 2. Disconnect the connectors (A1, A7, A11, A12, A25, A51 7.2.
  • Page 18 7.6. Remove the SU-Board 1. Remove the flexible cables (SU1, SU2, SU3 and SU4) connected to the SU-Board. 2. Remove the flexible cable (SU11-SD11) and the bridge connector (SC41-SU41). 3. Remove the screws (× ) and remove the SU-Board. 7.9. Remove the SS-Board 7.7.
  • Page 19 7.10. Remove the Stand brackets 7.11. Remove the C1-Board 1. Remove the Plasma panel section from the servicing 1. Remove the A-Board unit. (See section 7.4.) stand and lay on a fiat surface such as a table (covered) 2. Remove the Stand bracket L. (See section 7.10.) with the Plasma panel surface facing downward.

  • Page 20: Remove The Speakers

    7.14. Remove G-Board, 11. Disconnect the connector (G51) and remove the G- Board. Board and GH-Board 1. Remove the Front bracket. (See section 7.13.) 2. Remove the screws (×2 7.15. Remove the Speakers 1. Disconnect the relay connectors 2. Remove the screws (×4 each) and remove the Speaker (L, R).
  • Page 21 screws (×7 7.17. Remove the S-Board 1. Remove the Cabinet assy. (See section 7.16.) 3. For leaving the plasma panel from the front frame, pull the 2. Disconnect the connector (S2). bottom of the cabinet assy forward, lift, and remove. 3.
  • Page 22 7.19. Remove the plasma panel (fin- ished) 1. Place the new plasma panel (finished) on the flat surface of the table (covered by a soft cloth), with the plasma panel surface facing downward. 2. Attach the C1-Board and the C2-Board, connect the flexi- ble cables (×8) from the plasma panel to the C1-Board and the C2-Board, and fit the flexible cable holders.

  • Page 23: Measurements And Adjustments

    8 Measurements and Adjustments 8.1. Adjustment Procedure 8.1.1.2. Adjustments Adjust driver section voltages referring the panel data on the 8.1.1. Driver Set-up panel data label. Check or adjust the following voltages with the multimeter. 8.1.1.1. Item / Preparation 1. Input a white signal to plasma video input. Name Test Point Voltage...

  • Page 24: Initialization Pulse Adjust

    8.1.2. Initialization Pulse Adjust 1. Input the White signal to plasma video input. 2. Set the picture controls as follows. Picture menu : Vivid Normal : Set Aspect : Full 3. Connect Oscilloscope to TPSC1 (SC). Check the voltage (T2) at 100ms period on the down slop. Test point Volume Level...
  • Page 25 8.1.4. Adjustment Volume Location 8.1.5. Test Point Location...

  • Page 26: White Balance Adjustment

    8.2. Adjustment 8.2.1. White balance adjustment Name of measuring instrument Connection Remarks • W/B pattern Component input • Color analyzer Panel surface (Minolta CA-100 or equivalent) Procedure Remarks • Ensure aging is adequate. • Make sure the front panel to be used on the final set is fitted. •...

  • Page 29: Block Diagram

    P6,P7 DCDC DCDC F+15V F+15V +5V(S) +15V(S) +3.3V(S) SUB+5V SUB+3.3V +15V(SND) DCDC +1.2V(S) DCDC POWER SWITCH SUB+1.2V +5V(STB) +9V(S) SUB+9V +1.8V(S) SUB+1.8V DIGITAL SIGNAL PROCESSOR +5V(S) +30V(BT) BT+30V +9V(S) STB+3.3V +5V(STB) +3.3V(STB) TH-42PX80U TH-42PX80U Block Diagram (1/5) Block Diagram (1/5)
  • Page 30 DATA DRIVER (LEFT) DATA DRIVER (RIGHT) +5V(P) +5V(P) SOS8_SS SOS8_SS SUSTAIN CONTROL SUSTAIN CONTROL SCAN OUT (LOWER) DATA DATA DATA DATA DATA DATA DATA DATA DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER TH-42PX80U TH-42PX80U Block Diagram (2/5) Block Diagram (2/5)
  • Page 31 SD CARD IIC0 CLOCK CLOCK GEN GS SD CARD SLOT SD CARD SD DATA IC8502 IIC1 RESET NOR FLASH IIC2 SBI2 CPU BUS I/F SBO2 IIC_IF EEPROM IC8001 IIC3 IC8503 Peaks Lite2p TH-42PX80U TH-42PX80U Block Diagram (3/5) Block Diagram (3/5)
  • Page 32 RECEIVER SERIAL SW IIC1 REMOTE IN SUB+5V DET REMOTE IN TEMP SENSOR +3.3V(STB) SUB+9V DET KEYSCAN3 KEYSCAN3 SW2500 POWER SWITCH POWER LED REMOTE RECEIVER POWER SWITCH FOR FACTORY USE FOR FACTORY USE TH-42PX80U TH-42PX80U Block Diagram (4/5) Block Diagram (4/5)
  • Page 33 Vscn D16821 D16873 COLD COLD ERROR DET ERROR DET IC14961-63 2 10 5V_F_A SCAN CONTROL VSCN TPSOS7 Q16875,79 D16718 D16717 16V_F VSET ERROR DET VSET AC CORD (LED:7TIMES) (LED:7TIMES) SCAN OUT (LOWER) TH-42PX80U TH-42PX80U Block Diagram (5/5) Block Diagram (5/5)

  • Page 35: Wiring Connection Diagram

    10 Wiring Connection Diagram 10.1. Caution statement. Caution: Please confirm that all flexible cables are assembled correctly. Also make sure that they are locked in the connectors. Verify by giving the flexible cables a very slight pull. 10.2. Wiring (1)
  • Page 36 10.3. Wiring (2) C11-A31? C21-A32?
  • Page 37 11 Schematic Diagram 11.1. Schematic Diagram Note...
  • Page 38 11.2. P-Board (1/6) Schematic Diagram COLD COLD COLD USA/EU ASIA USA/EU ASIA AC CORD COLD P-BOARD LSEP1260MJHB (1/6) COLD AA AB TH-42PX80U TH-42PX80U P-Board (1 of 6) Schematic Diagram P-Board (1 of 6) Schematic Diagram...
  • Page 39 11.3. P-Board (2/6) Schematic Diagram COLD COLD ERROR DET SS-BOARD (Vda) (SS12) COLD COLD POWER CONTROL (Vlow) P-BOARD LSEP1260MJHB (2/6) BO BP BQ BR TH-42PX80U TH-42PX80U P-Board (2 of 6) Schematic Diagram P-Board (2 of 6) Schematic Diagram...
  • Page 40 11.4. P-Board (3/6) Schematic Diagram AA AB P-BOARD LSEP1260MJHB (3/6) ERROR DET PHOTO COUPLER ERROR DET COLD PHOTO PHOTO COUPLER COUPLER COLD CA CB TH-42PX80U TH-42PX80U P-Board (3 of 6) Schematic Diagram P-Board (3 of 6) Schematic Diagram...
  • Page 41 11.5. P-Board (4/6) Schematic Diagram BO BP BQ BR P-BOARD LSEP1260MJHB (4/6) SC-BOARD (SC2) SS-BOARD (SS11) PHOTO COUPLER ERROR DET ERROR DET PHOTO COUPLER DA DB DF DG DK DL TH-42PX80U TH-42PX80U P-Board (4 of 6) Schematic Diagram P-Board (4 of 6) Schematic Diagram...
  • Page 42 11.6. P-Board (5/6) Schematic Diagram CA CB POWER MCU RESET P-BOARD LSEP1260MJHB (5/6) TH-42PX80U TH-42PX80U P-Board (5 of 6) Schematic Diagram P-Board (5 of 6) Schematic Diagram...
  • Page 43 11.7. P-Board (6/6) Schematic Diagram DA DB DF DG DK DL P-BOARD LSEP1260MJHB (6/6) DC-DC CONV. A-BOARD (A7) A-BOARD (A25) A-BOARD (A7) TH-42PX80U TH-42PX80U P-Board (6 of 6) Schematic Diagram P-Board (6 of 6) Schematic Diagram...
  • Page 44 AV3_S_DET 0.1u R7701 SDDAT1 GS52 KEY1 A-BOARD R7702 (A52) R7794 R7796 D.SW R7710 R7799 R7797 R7708 R7793 R7798 W.P . R7795 R7792 A-BOARD (A51) TH-42PX80U TH-42PX80U G, GS, K, and S-Board Schematic Diagram G, GS, K, and S-Board Schematic Diagram...
  • Page 45 0.01u 0.01u R3826 HDMI IN 3 DDC5V R3827 R3828 IC3801 C1AB00002835 R3811 R3829 4.7k R3830 HDMI EQUALIZER C3816 C3812 R3831 HDMI_CE1 R3834 0.01u 0.1u 49.9 A-BOARD (A11) GH11 *ZA3802 K4AD01D00005 *ZA3801 K4AD01D00005 TH-42PX80U TH-42PX80U GH-Board Schematic Diagram GH-Board Schematic Diagram...
  • Page 46 AF20 VDDIO J0JHC0000045 0.1u IC8001 AC10 VDD33 IC8001 IC8001 0.1u IC8001 AF26 VDDIO IC8001 LVVDD12 0.1u C8080 IC8001 AC11 VDD33 IC8001 IC8001 AF21 C8076 C8075 0.1u IC8001 IC8001 AF24 0.1u TH-42PX80U TH-42PX80U A-Board (1/15) Schematic Diagram A-Board (1/15) Schematic Diagram...
  • Page 47 R8018 VJUMP1005-S CH0DQ27 MMDQ27 AF17 IC8001 R8019 VJUMP1005-S CH0DQ28 MMDQ28 AB16 IC8001 R8020 VJUMP1005-S CH0DQ29 MMDQ29 AA16 IC8001 R8021 VJUMP1005-S CH0DQ30 MMDQ30 AD16 IC8001 R8022 VJUMP1005-S CH0DQ31 MMDQ31 AF16 IC8001 TH-42PX80U TH-42PX80U A-Board (2/15) Schematic Diagram A-Board (2/15) Schematic Diagram...
  • Page 48 TP8546 R8528 TP8544 GS-BOARD R8529 TRST (GS52) TP8564 R8530 to (1/15) TP8547 R8531 LiteIIp R8512 R8532 R5058 R5137 R5069 P3.3V R8608 PD2M_TDI PD2M_TMS to (13/15) PD2M_TRST PD2M_TCK R5139 R8536 R5138 TH-42PX80U TH-42PX80U A-Board (3/15) Schematic Diagram A-Board (3/15) Schematic Diagram...
  • Page 49 1 VSS 0.01u XRST AG_ODU_DET/KEY3 C5663 MA2J11100L MA2J11100L 6.3V C5766 R5651 0.01u C5652 IC5606 R5652 100k AG_DTV_XRST 1000p C0EBF0000354 IC3017 to (3/15)(7/15) STB RESET C0EBM0000026 to (1/15) C5765 AG_KEY3 RESET 0.047u TH-42PX80U TH-42PX80U A-Board (4/15) Schematic Diagram A-Board (4/15) Schematic Diagram...
  • Page 50 IECOUT0 R4135 DTV_SRCK FL4007 to (7/15) SRCK0 J0HAAB000036 DTV_DMIX AG_R_LED_ON DMIX0 R4134 DTV_LRCK RF_L LRCK0 R4136 RF_R DACCK0 to (7/15) AG_AI_SENSOR to (3/15) DTV_V DTV_V JS4025 VJUMP1005-S to (11/15)(13/15) D_PCB_MODE TH-42PX80U TH-42PX80U A-Board (5/15) Schematic Diagram A-Board (5/15) Schematic Diagram...
  • Page 51 6.3V AV3_Y_GND 2.2u AV3_Y R3052 VJUMP1005-S D3087 R2162 C2188 MAZ81400ML AV3_C_GND 470p AV3_C D3088 MAZ81400ML AV3_S_DET JS3058 IC2107 SUB3.3V KEYSCAN1 C0DBFFD00003 D3005 C3157 K7AAAY000003 DVDD1.8V OPTICAL 0.1u AUDIO G-BOARD (G51) TH-42PX80U TH-42PX80U A-Board (6/15) Schematic Diagram A-Board (6/15) Schematic Diagram...
  • Page 52 C1112 To D 0.1u AG_PANEL_READY AG_PANEL_READY to (13/15) AG_PANEL_ARARM AG_PANEL_ARARM to (13/15) Power Supply AG_ODU_DET/KEY3 to (4/15) AG_ODU_DET/KEY3 AG_KEY1(CON-PANE) to (5/15) AG_KEY1(CON-PANE) AG_R_LED_ON to (5/15) AG_R_LED_ON AG_RMIN to (5/15)(13/15) AG_RMIN TH-42PX80U TH-42PX80U A-Board (7/15) Schematic Diagram A-Board (7/15) Schematic Diagram...
  • Page 53 L4500 DDCG J0JHC0000078 TP4500 DDCSCL1 to (7/15) DDCSDA1 TP4502 L4502 D4513 N.C. J0JHC0000078 MAZ30560ML JK4500 RXC_CN CLK- RXC_CP CLKG K1FY119D0003 CLK+ RXC_0N HDMI IN 2 RXC_0P RXC_1N RXC_1P RXC_2N RXC_2P TH-42PX80U TH-42PX80U A-Board (8/15) Schematic Diagram A-Board (8/15) Schematic Diagram...
  • Page 54 DDCB_SCL DDCC_SCL R4648 AUDIO RxA_2+ SPDIF DDCA_SCL EXB28V330JX AG_HDMI_5V_DET2 AG_HDMI_5V_DET2 DDCA_SDA C4614 AG_HDMI_CEC 16V 0.1u AG_HDMI_CEC C4634 C4613 AG_HDMI_MUX_SEL C4612 AG_HDMI_MUX_EN 25V 0.01u AG_HPD4 AG_HDMI_5V_DET4 SUB3.3V SUB5V GH-BOARD (GH11) TOP-TYPE TH-42PX80U TH-42PX80U A-Board (9/15) Schematic Diagram A-Board (9/15) Schematic Diagram...
  • Page 55 C8372 C8382 C8376 C8381 C8373 C8375 0.1u 0.01u 0.01u 0.1u 0.1u C8340 0.1u SUB5V BT30V C8374 C8377 C8378 C8379 C8370 C8371 C8380 0.1u 0.01u 0.1u 1000p 0.1u 0.01u C8346 0.01u TH-42PX80U TH-42PX80U A-Board (10/15) Schematic Diagram A-Board (10/15) Schematic Diagram...
  • Page 56 (3/15) C4098 C4096 A_SDA0 GND1 0.1u A_SDA0 Vref1 STB_RST C4796 C4797 C4798 C4741 C4742 C4743 C4744 C4745 C4746 C4795 1000p 1000p 1000p 1000p 0.1u 1000p 0.1u 0.1u 1000p 1000p TH-42PX80U TH-42PX80U A-Board (11/15) Schematic Diagram A-Board (11/15) Schematic Diagram...
  • Page 57 CPH1 FP_CMH C9842 R9110 SOS6_SC1 0.1u SOS6_SC1 SOS7_SC2 SOS7_SC2 R9142 SC_LAT CERS SC_CEL SC_CBK SC_DRV_RST SC_CSL SC_CSH SC_CML SC_CMH R9849 EXB2HV470JV +15V P15V_MOTO +15V PA9900 K5H5022A0023 +15V C9859 C9858 0.01u TH-42PX80U TH-42PX80U A-Board (12/15) Schematic Diagram A-Board (12/15) Schematic Diagram...
  • Page 58 0.1u 0.1u R9205 C9053 C9055 0.1u R9207 STB_SDA01 0.1u R9206 AD_SDA0 D9018 D9017 B0BC3R3A0273 B0BC3R3A0273 R9200 VJUMP1005-S D9019 C9049 B0BC3R3A0273 0.1u R9170 C9050 0.1u R9171 C9051 R9172 0.1u to ucom/FPGA/PD2 TH-42PX80U TH-42PX80U A-Board (13/15) Schematic Diagram A-Board (13/15) Schematic Diagram...
  • Page 59 Q9302 2SD0601A0L 2SD0601A0L R9391 R9608 100k R9369 EXB2HV470JV 4.7k DD_LED1 D-LED1 DD_PCD1 D-PCD1 DD_PCD2 D-PCD2 R9371 C9468 100k DD_ODED1 D-ODED1 0.01u DD_CLRD1 D-CLRD1 DATA_DRIVER SS_PULSE FL9300 F1J1E104A148 C1-BOARD (C11) DOWN_LEFT TH-42PX80U TH-42PX80U A-Board (14/15) Schematic Diagram A-Board (14/15) Schematic Diagram...
  • Page 60 L8DR_DQ29 IC9901 IC9901 DQ29 L8DR_DQ30 C3ABQJ000055 IC9901 DQ30 L8DR_DQ31 DDR MEMORY IC9901 DQ31 L8DR_DQS0 IC9901 DQS0 L8DR_DQS1 IC9901 DQS1 L8DR_DQS2 IC9901 DQS2 L8DR_DQS3 IC9901 DQS3 FL9301 F1J1E104A148 C2-BOARD (C21) DOWN_RIGHT TH-42PX80U TH-42PX80U A-Board (15/15) Schematic Diagram A-Board (15/15) Schematic Diagram...
  • Page 61 C1_5V C1_5V C17154 C17133 C17131 C17132 C17134 C17153 C17151 C17152 250V 250V 250V 250V 0.15u 0.15u 0.15u 0.15u R17136 R17137 R17156 R17157 PANEL DATA DRIVER PANEL DATA DRIVER VDA_75V VDA_75V TH-42PX80U TH-42PX80U C1-Board (1/2) Schematic Diagram C1-Board (1/2) Schematic Diagram...
  • Page 62 C17130 0.1u VDA_75V Vda 75V Vda 75V Vda 75V Vda 75V Vda 75V Vda 75V Vda 75V R17192 SIDE 220k C2-BOARD (C20) ZA17101 K4AD01Z00001 ZA17104 K4AD01Z00001 ZA17103 K4AD01Z00001 ZA17102 K4AD01Z00001 TH-42PX80U TH-42PX80U C1-Board (2/2) Schematic Diagram C1-Board (2/2) Schematic Diagram...
  • Page 63 Vda 75V Vda 75V R17226 R17227 Vda 75V Vda 75V PANEL DATA VDA_75V Vda 75V DRIVER C2_5V C17213 C17211 C17240 C17241 250V 250V 0.15u 0.15u R17216 R17217 PANEL DATA VDA_75V TH-42PX80U DRIVER TH-42PX80U C2-Board (1/2) Schematic Diagram C2-Board (1/2) Schematic Diagram...
  • Page 64 C17214 C17212 C17215 250V 250V 0.15u 0.15u R17237 R17236 PANEL DATA VDA_75V DRIVER R17233 R17234 C2_5V C17233 C17231 C17232 250V 0.15u C17234 250V 0.15u R17223 R17224 PANEL DATA VDA_75V TH-42PX80U DRIVER TH-42PX80U C2-Board (2/2) Schematic Diagram C2-Board (2/2) Schematic Diagram...
  • Page 65 A_+INPUT D16480 B_-INPUT C16582 R16584 MA2J11100L 8.2k B_+INPUT R16476 R16586 4.7k AA_DRV_RST 1.8k MAIN_STOP R16593 1.2k TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35 C16480 0.1u IC16472 C0JBAA000377 AND GATE TH-42PX80U TH-42PX80U SC-Board (1/3) Schematic Diagram SC-Board (1/3) Schematic Diagram...
  • Page 66 100k MA2J11100L Q16663 2SB0709ASL AA_DRV_RST C16806 160V 100u COLD FLOATING GND 16V_F R16670 R16657 AA_SCSU 6.8k D16659 B0HCMM000014 D16668 MA3X152D0L PC16710 Q16665 B3PBA0000223 B1ABCF000231 R16667 Q16664 B1HFPFA00001 D16669 R16672 MA2J11100L TH-42PX80U TH-42PX80U SC-Board (2/3) Schematic Diagram SC-Board (2/3) Schematic Diagram...
  • Page 67 R16856 D16830 D16839 MAZ80560HL SCNR_PRO B0ECKP000047 C16832 VF_GND 3900p D16838 D16836 L16801 B0BC027A0234 MAZ81500ML R16886 TP51 G0ZZ00002183 220k SC42 R16887 220k SD-BOARD R16888 (SD42) 220k TP59 TP60 TP61 TP62 TP63 TH-42PX80U TH-42PX80U SC-Board (3/3) Schematic Diagram SC-Board (3/3) Schematic Diagram...
  • Page 68 AC_642 AD_578 AB_705 AC_641 AD_577 Vscn C14932 C14933 C14939 C14940 C14941 C14942 C14938 C14931 C14936 C14937 250V 250V 0.1u 0.1u 220p 220p 1000p 220p 220p 1000p 220p 220p D14902 MAZ80560HL TH-42PX80U TH-42PX80U SU-Board (1/2) Schematic Diagram SU-Board (1/2) Schematic Diagram...
  • Page 69 630V 1000p D14905 D14904 D14908 B0HCMM000013 B0HCMM000013 B0HCMM000013 Vscn 145V(DC) C14923 C14924 C14934 C14935 250V 250V 0.1u 0.1u 250V 250V 0.1u 0.1u AA_CHA SU41 SC-BOARD (SC41) ZA14901 K4AD01Z00002 ZA14902 K4AD01Z00002 TH-42PX80U TH-42PX80U SU-Board (2/2) Schematic Diagram SU-Board (2/2) Schematic Diagram...
  • Page 70 AB_381 AC_260 AC_317 AD_196 AD_253 AB_323 AB_382 AC_259 AC_318 AD_195 AD_254 AD_194 AB_322 AC_258 AB_321 AC_257 AD_193 Vscn C14974 C14975 C14977 C14978 250V 250V 250V 250V 0.1u 0.1u 0.1u 0.1u TH-42PX80U TH-42PX80U SD-Board (1/2) Schematic Diagram SD-Board (1/2) Schematic Diagram...
  • Page 71 AA_LATD1 C14986 R14972 R14970 R14969 AA_SO6 ZA14952 D14975 4.7k 3.3k 100p K4AD01Z00002 C14943 MA2J11100L R14949 4.7u D14959 Q14961 MA2J11100L 2SD0601A0L R14944 R14950 D14976 AA_CHA MA2J11100L SD11 SIDE SU-BOARD (SU11) SCNR_PRO TH-42PX80U TH-42PX80U SD-Board (2/2) Schematic Diagram SD-Board (2/2) Schematic Diagram...
  • Page 72 A_+INPUT SS23 B_-INPUT C16251 R16254 C2-BOARD 8.2k B_+INPUT (C23) AA_UMH R16231 R16221 R16256 4.7k 4.7k 1.8k TP22 TP37 AA_SOS8 IC16251 R16251 1.2k C16243 C0BBBA000024 0.01u TPSOS8 ERROR DET TP33 TP34 TH-42PX80U TH-42PX80U SS-Board (1/2) Schematic Diagram SS-Board (1/2) Schematic Diagram...
  • Page 73 52.3k 220V 200u R16312 R16314 C16311 TP24 TP25 TP26 TP27 TP28 TP29 TP30 TP31 120k VOUT VR16000 C16312 D16311 4700p MAZ81500ML SS23 R16317 SS34 SS22 C16313 ZA16003 K4CD01000011 R16315 1.24k TH-42PX80U TH-42PX80U SS-Board (2/2) Schematic Diagram SS-Board (2/2) Schematic Diagram...
  • Page 74 12 Printed Circuit Board 12.1. P-Board P-BOARD LSEP1260ANHB (FOIL SIDE) TH-42PX80U TH-42PX80U P-BOARD LSEP1260ANHB P-BOARD LSEP1260ANHB...
  • Page 75 IC505 Q413 Q567 IC506 Q420 Q569 IC507 Q434 IC508 Q501 VOLUME IC509 Q502 IC510 Q507 R443 IC511 Q508 R628 IC512 Q509 R661 IC513 Q510 R665 IC520 Q517 Q520 Q521 Q524 Q525 Q527 TH-42PX80U TH-42PX80U P-BOARD PARTS LOCATION P-BOARD PARTS LOCATION...
  • Page 76 P-BOARD LSEP1260ANHB (COMPONET SIDE) TH-42PX80U TH-42PX80U P-BOARD LSEP1260ANHB P-BOARD LSEP1260ANHB...
  • Page 77 C 8 2 9 S E E R E V E R S E F O R O R D E R N O . R 8 5 3 R 8 4 7 TH-42PX80U TH-42PX80U G-BOARD TNPA4501S GS-BOARD TNPA4139ADS G-BOARD TNPA4501S...
  • Page 78 T P 4 0 0 1 R4111 TP8545 TP4001 TP4002 A 5 1 T P 4 0 0 2 R9608 R4104 T P 4 0 0 5 TP4003 TP4005 T P 4 0 0 3 R4105 R4109 R4108 R4106 TH-42PX80U TH-42PX80U A-BOARD TNPH0716S A-BOARD TNPH0716S...
  • Page 79 TP9312 TP3530 TP8302 TP3531 TP8303 TPAC1 TP3532 TPEC0 TP8502 TP3533 TP8303 TPSOS TP3534 TP8502 TP3535 TP8510 TP4001 TP8511 TP4002 TP8512 TP4003 TP8513 TP4004 TP8514 TP4005 TP8515 TP4006 TP8516 TP4007 TP8517 TP4101 TP8518 TH-42PX80U TH-42PX80U A-BOARD PARTS LOCATION A-BOARD PARTS LOCATION...
  • Page 80 R9370 R9610 R9347 R9348 R9352 R9353 A 3 2 R9369 FL9300 R3052 R3053 R3051 A 5 1 ZA4002 FL9301 A 5 2 R4095 ZA4003 R4094 R4096 C4712 S U F F I X . TH-42PX80U TH-42PX80U A-BOARD TNPH0716S A-BOARD TNPH0716S...
  • Page 81 R 1 4 7 CR NO.17 C 1 2 5 C 1 4 5 D 1 2 1 D 1 3 1 C 1 3 5 C 1 5 5 D 1 5 1 TH-42PX80U TH-42PX80U C1-BOARD TXNC11RRTU C1-BOARD TXNC11RRTU...
  • Page 82 C 2 4 2 C 2 3 5 ZA202 ZA201 D 2 2 1 C 2 2 5 D 2 0 4 C 2 1 8 D 2 1 1 D 2 0 6 TH-42PX80U TH-42PX80U C2-BOARD TXNC21RRTU C2-BOARD TXNC21RRTU...
  • Page 83 T P 2 6 T P 3 6 T P 1 8 T P 2 2 T P 5 2 T P 3 7 T P 7 0 T P 1 0 T P 2 7 TH-42PX80U TH-42PX80U SC-BOARD TXNSC1RRTU SC-BOARD TXNSC1RRTU...
  • Page 84 Q16876 VOLUME TP29 TP92 Q16879 Q16601 TP30 VR16600 TP93 Q16602 Q16881 TP31 VR16601 TP94 Q16882 Q16603 TP32 VR16602 TP95 Q16604 TP33 TP96 Q16605 TP34 Q16606 TP35 Q16607 TP36 Q16608 TP37 TP38 TP39 TH-42PX80U TH-42PX80U SC-BOARD PARTS LOCATION SC-BOARD PARTS LOCATION...
  • Page 85 R 5 8 7 R 5 3 1 D 4 7 2 D 5 8 5 R 5 2 2 R 5 2 1 R 5 8 5 R 5 8 0 R 5 8 9 TH-42PX80U TH-42PX80U SC-BOARD TXNSC1RRTU SC-BOARD TXNSC1RRTU...
  • Page 86 H . V . D A N G E R D 9 0 9 H . V . D A N G E R D 9 0 2 O R D E R N O . CRNo. 14 TH-42PX80U TH-42PX80U SU-BOARD TXNSU1RRTU SU-BOARD TXNSU1RRTU...
  • Page 87 C 9 8 9 SD42 R 9 4 9 C 9 2 6 D 9 7 4 R 9 9 3 D 9 7 5 R 9 5 0 Z A 9 5 1 TH-42PX80U TH-42PX80U SD-BOARD TXNSD1RRTU SD-BOARD TXNSD1RRTU...
  • Page 88 S S 5 5 A S S 5 6 A L 1 0 3 S S 5 4 S S 5 3 S S 5 5 S S 5 6 T P 2 7 TH-42PX80U TH-42PX80U SS-BOARD TXNSS1RRTU SS-BOARD TXNSS1RRTU...
  • Page 89 L 1 0 4 L 1 0 2 S S 5 3 S S 5 6 S S 5 5 S S 5 4 T P S S 1 Z A 0 0 2 TH-42PX80U TH-42PX80U SS-BOARD TXNSS1RRTU SS-BOARD TXNSS1RRTU...

  • Page 91: Exploded View And Replacement Parts List

    13 Exploded View and Replacement Parts List 13.1. Exploded View and Mechanical Replacement Parts List 13.1.1. Exploded View...
  • Page 92 13.1.2. Accessories...
  • Page 93 13.1.3. Mechanical Replacement Parts List...
  • Page 94 Ref. Safety Part No. Part Name & Description Q'ty Remarks 10030-0042000 BATTERY COVER 1 PAVCA EAS16S06A SPEAKER (PED) K1RYYYA00016 F-TYPE (5C) K2CG3YY00029 AC CORD 1 PAVCA MD42H11A1J PLASMA DISPLAY PANEL N2QAYB000221 REMOTE CONTROL 1 PAVCA TBLA3615 STAND POLE LEFT TBLA3614 STAND POLE RIGHT TBLX0036 PEDESTAL STAND...
  • Page 95 Ref. Safety Part No. Part Name & Description Q'ty Remarks TSXL519 CABLE(C10-C20/SU11-SD11) TSXL662 CABLE(A20-SC20) 1 PAVCA TSXL664 CABLE(C11-A31) 1 PAVCA TSXL665 CABLE(C21-A32) 1 PAVCA TXALK01RRTU AC INLET ASSY 1 PAVCA TXFKU02TSER REAR COVER 1 PAVCA TXFKY02TSER CABINET ASSY 1 PAVCA TXJA12RRTU SPEAKER LEAD(A12-SPL/SPR) 1 PAVCA...
  • Page 96 13.2. Electrical Replacement Parts List 13.2.1. Replacement Parts List Notes...

  • Page 97: Electrical Replacement Parts List

    13.2.2. Electrical Replacement Parts List Safety Ref. No. Part No. Part Name & Pcs Remarks Description Safety Ref. No. Part No. Part Name & Pcs Remarks C2195-98 F1G1E103A123 C 0.010UF, K, Description C2213 F1G1H102A730 E 1000UF, 50V K1KA06A00508 6P CONNECTOR C2216 F1G1C104A116 C 0.10UF, K, 16V K1KY22A00003 22P CONNECTOR...
  • Page 98 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C3123,24 F1J1A106A043 C 0.010UF, K, C4643-46 F1G1C104A116 C 0.10UF, K, 16V C4701 F1G1H102A730 E 1000UF, 50V C3157 F1G1C104A081 C 0.10UF, K, 16V C4702 F1G1C104A116 C 0.10UF, K, 16V C3532...
  • Page 99 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C5644 F1G1E103A123 C 0.010UF, K, C8346 ECJ0EB1C103K C 0.010UF, K, C5652 F1H1H102A971 C 1000PF, K, 50V C8347-54 F1G1C104A116 C 0.10UF, K, 16V C5663,64 F1J0J106A020 C 0.010UF, K, C8355...
  • Page 100 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C9878 F1G1E103A123 C 0.010UF, K, C16197 F1L1E4750012 C 4.7UF, 25V C16201-04 F0C2E225A230 E 0.022UF, 250V C9879 F1G1C153A116 C 0.015UF, K, C16241 EEUFC1A101 E 100UF, 10V...
  • Page 101 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C16842 ECA2CM101 E 100UF, 160V D4516-23 EZAEG2A50AX DIODE C16843,44 F1J1H104A835 C 0.10UF, 50V D4541,42 MA2J11100L DIODE C16855 F1H1C105A008 C 1UF, K, 16V D5400 B0JCME000037 DIODE C16856...
  • Page 102 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description D16501 B0ECKP000047 DIODE GH10 K1FY121E0001 CONNECTOR PAVCA D16503 B0ECKP000047 DIODE GH11 K1KA30AA0009 30P CONNECTOR D16521-23 B0ECKP000047 DIODE D16583 LNJ301MPUJA GS52 K1KA12A00317 12P CONNECTOR...
  • Page 103 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description IC16788 MIP9L02MBS L16301 J0JHC0000031 CHIP INDUCTOR IC16789 C0DBEYY00078 IC L16398,99 J0JJC0000015 CHIP INDUCTOR IC16791 N0BF1FB00002 IC L16401-03 G0C2R1KA0190 PEAKING COIL IC17101,0 C0JBAZ001120 IC L16411-13 G0C2R1KA0190 PEAKING COIL...
  • Page 104 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description Q16102 B1DFKM000002 FET R1160,61 ERJ2GEJ473 M 47KOHM, J,0.063W Q16141 B1HFPFA00001 TRANSISTOR R1162 ERJ2GEJ101 M 100 OHM, Q16161 B1HFPFA00001 TRANSISTOR J,0.063W Q16171 B1ABRD000003 TRANSISTOR...
  • Page 105 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R2310 ERJ2GEJ103 M 10KOHM, R3754 ERJ6ENF2321 M2.32KOHM, 1/10W J,0.063W R3756 D0GDR00Z0002 M 0 OHM, 1/10W R2311 ERJ8GEYJ3R3V M 3.3 OHM, J,1/ R3758 ERJ6ENF3161 M3.16KOHM, 1/10W...
  • Page 106 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R4548,49 ERJ2GEJ103 M 10KOHM, R5537 ERJ2GEJ152 M 1.5KOHM, J,0.063W J,0.063W R4552 ERJ2GEJ220 M 22 OHM, R5538 ERJ2GEJ222 M 2.2KOHM, J,0.063W J,0.063W R4587...
  • Page 107 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R7709 ERJ2GEJ680 M 68 OHM, R8324-27 ERJ2GEJ470 M 47 OHM, J,0.063W J,0.063W R7710 ERJ2GEJ101 M 100 OHM, R8331 ERJ3GEY0R00 M 0 OHM, 1/16W J,0.063W...
  • Page 108 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R9071 ERJ2GEJ223 M 22KOHM, R9347,48 EXB2HV220JV RESISTOR ARRAY J,0.063W R9350,51 ERJ2GEJ470 M 47 OHM, R9072 ERJ2GEJ102X M 1K OHM J 1/4W J,0.063W R9080 ERJ2GEJ103...
  • Page 109 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R9940 ERJ2RKD330 M 33 OHM, R14992-94 ERJ3GEYJ470 M 47 OHM,J,1/16W J,0.063W R14995-98 D0GD103JA036 M 10KOHM,J,0.25W R9943 EXB2HV470JV RESISTOR ARRAY R16001,02 ERJT08J7R5V M 7.5OHM,J, R9944-51...
  • Page 110 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R16300 ERJT08J102V M 1KOHM,J, 0.33W R16521,22 D0GD101JA036 M 100 OHM,J,0.25W R16301 ERJ6GEYF472 M 4.7KOHM,F,1/ R16523 ERJT06J750V M 75 OHM,F,0.25W R16302 ERJ8GEYJ105 M 1MOHM, J,1/8W...
  • Page 111 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R16672 ERJ6GEYG102 M 1KOHM,J,1/10W R16844 ERJ6ENF1241 M1.24KOHM, 1/10W R16675 ERJT08J102V M 1KOHM,J, 0.33W R16845 ERJ6ENF6202 M 62KOHM, 1/10W R16681,82 ERJT06J100V M 10 OHM,F,0.25W R16846...
  • Page 112 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R17280 D0GB102JA041 M 1KOHM,J,1/16W R17281 ERJ6GEYG102 M 1KOHM,J,1/10W C405 ECQE2W225L0 C 22UF, 450V R17285 EXB38V220JV RESISTOR ARRAY C406 F1E2J4730001 C 0.047PF, , 600V R17288,89 EXB38V222J...
  • Page 113 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C571 ECJ1VC1H330J C 33PF, J, 50V D450 B0ACDJ000010 DIODE C574 ECJ1VB1E104K C 0.10UF, K, 25V D501 B0HAPR000012 DIODE C577 F2A2A330A022 E 33UF, 100V D502...
  • Page 114 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description K1KA13AA0194 13P CONNECTOR R426 D0GB103JA057 M 10K OHM J 1/ R428 D0GB103JA057 M 10K OHM J 1/ PMM1 LSGQ0234 CLAMPER PMM2,M3...
  • Page 115 Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R524 D0GB102JA057 M 1KOHM,J,1/16W R601 ERJ3GEYJ471 M 470 OHM,J,1/ R526,27 ERJ6ENF1803 M 180KOHM, 1/10W R603 ERJ6GEYJ101V M 100 OHM,J,1/ R528 ERJ6GEYJ4R7 M 4.7 OHM,J,1/...
  • Page 116 Safety Ref. No. Part No. Part Name & Pcs Remarks Description R678-80 ERJ8RSJR16V M 16 OHM, 1/8W R682 ERJ6ENF2002 M 20KOHM, 1/10W R683 ERJ14YJ330 M 33 OHM, J,1/4W R684 D0GB102JA057 M 1KOHM,J,1/16W R686 D0GB123JA057 M 12K OHM J 1/ R687 ERJ3GEYJ104 M 100KOHM,J,1/ R688...
  • Page 117 If new part numbers are shown, be sure to use them when ordering parts. Please file and use this manual together with the service manual for Model No. TH-42PX80U ORDER NO. MTNC080201CE TH-42PX80X ORDER NO. MTNC080418AE TH-50PX80U ORDER NO. MTNC080202CE TH-50PX80X ORDER NO.
  • Page 118 If new part numbers are shown, be sure to use them when ordering parts. Please file and use this manual together with the service manual for Model No. TH-42PX80U ORDER NO. MTNC080201CE Model No. TH-42PX80X ORDER NO. MTNC080418AE Model No. TH-50PX80U ORDER NO. MTNC080202CE Model No.

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