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.
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.
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.
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 Center) Speaker out, Sound Processor Data Driver (Lower Left) AV Terminal, AV Switch Scan Drive Digital Signal Processor, Micon, HDMI Interface Scan out (Upper) Peaks Lite 2p Scan out (Lower)
4 Specifications Power Source AC 120 V, 60 Hz Power Consumption Maximum 690 W Standby condition 0.2 W Plasma Display panel Drive method AC type Aspect Ratio 16:9 Visible screen size 50 inch class (49.9 inches measured diagonally) (W × H × Diagonal) 43.5 inch ×...
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] button...Main items Selection in reverse direction [3] button...Sub items Selection in forward direction [4] button...Sub items Selection in reverse direction...
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...
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].
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).
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.
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.
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.)
7 Disassembly and Assembly Instructions 7.1. Remove the Rear cover 7.3. Remove the PB-Board 1. See Service Hint (Section 3) 1. Unlock the cable clampers to free the cable. 2. Remove the screws (×2 7.2. Remove the Fan unit 3. Remove a short-jumper connectors (PB31 and PB32) 1.
Page 18
7.5. Remove the P(MAIN)-Board 7. Remove the P(MAIN)-Board. Caution: To remove P.C.B. wait 1 minute after power was off for dis- charge from electrolysis capacitors. 1. Unlock the cable clampers to free the cable. 2. Disconnect the couplers (P2, P6, P7, P11, P12, P25, P52, P54 and P56).
7.6. Remove Rear Terminal 7.9. Remove the SU-Board cover 1. Remove the flexible cables (SU1, SU2, SU3, SU4 and SU5) connected to the SU-Board. , ×2 1. Remove the screws (×4 2. Remove the flexible cable (SU11-SD11) and the bridge 2.
7.11. Remove the SC-Board 7.13. Remove the SS2-Board 1. Remove the SU-Board and SD-Board. (See section 7.9. 1. Disconnect the connector (SS24) and disconnect the flex- and 7.10.) ible cable (SS58). 2. Unlock the cable clampers to free the cable. 2.
7.15. Remove the D-Board 7.17. Remove the C2-Board 1. Remove the A-Board unit. (See section 7.7.) 1. Remove the A-Board unit. (See section 7.7.) 2. Disconnect the connectors (D3, D5 and D25). 2. Remove the stand bracket R. (See section 7.14.) 3.
7. Remove the Front shield top. 6. Remove the screws (×4 ) and remove the C3-Board. 8. Remove the GH-Board. 9. Remove the screws (×2 ) and remove the GS-Board. 10. Remove the screws (×3 7.19. Remove the Front bracket 11.
2. Remove the cabinet assy and the plasma panel fastening , ×6 screws (×8 7.23. Remove the S-Board 1. Remove the Cabinet assy. (See section 7.22.) 2. Disconnect the connector (S2). 3. For leaving the plasma panel from the front frame, pull the 3.
Page 24
7.25. 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, C2-Board and the C3-Board, con- nect the flexible cables (×15) from the plasma panel to the C1-Board, C2-Board and the C3-Board, and fit the flexi- ble cable holders.
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...
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 100 us period on the down slop. Test point Volume Level...
Page 27
8.1.4. Adjustment Volume Location 8.1.5. Test Point Location...
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. •...
FAN_A-C +5V(STB) FAN CONT FAN POWER +5V(S) +30V(BT) BT+30V PB30 +9/7.2V +9V(S) DIGITAL SIGNAL PROCESSOR PB31 FAN SOS FAN SOS DET STB+3.3V +5V(STB) +3.3V(STB) CIRCUIT PB32 PB37 (LED:11TIMES) (LED:11TIMES) (LED:11TIMES) FAN CONTROL TH-50PZ80U TH-50PZ80U Block (1/6) Diagram Block (1/6) Diagram...
Page 32
SCAN OUT (LOWER) DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER DRIVER TH-50PZ80U TH-50PZ80U Block (2/6) Diagram Block (2/6) Diagram...
Page 33
DDR I/F DDR2 #0/#1 SD DATA IC8004 CLOCK CLOCK GEN IIC0 SD CARD SD DATA IC8502 IIC1 RESET NAND FLASH IIC2 SBI2 CPU BUS I/F SBO2 IIC_IF EEPROM IC8001 IIC3 IC8503 Peaks Lite2p TH-50PZ80U TH-50PZ80U Block (3/6) Diagram Block (3/6) Diagram...
Page 34
FAN D VOLTAGE +9/7.2V FAN SOS FAN SOS SW2500 D851 FAN CONT PB31 D852 (LED:11TIMES) (LED:11TIMES) POWER FAN CONT D857 PB32 SWITCH D861 +15V(FAN) PB37 IC850 D860 +9/7.2V FAN(80MM)A-C POWER SWITCH TH-50PZ80U TH-50PZ80U FAN CONTROL Block (4/6) Diagram Block (4/6) Diagram...
Page 35
COUPLER ERROR DET (LED:6TIMES) SOS6_SC1 SOS6_SC1 IIC_DATA2 RESET RESET (LED:7TIMES) SOS7_SC2 SOS7_SC2 COLD IIC2 IIC_CLK2 +15V(P) PANEL SOS PANEL SOS +15V(P) AC INLET PANEL STATUS PANEL STATUS AC100V +15V(P) AC CORD 50/60Hz TH-50PZ80U TH-50PZ80U Block (5/6) Diagram Block (5/6) Diagram...
Page 36
VIDEO DATA +5V(P) BUFFER IC17204 BUFFER BUFFER IC17301 +5V(P)DET IC17101-03 BUFFER CLOCK IC17104-06 BUFFER CONTROL DATA VIDEO DATA SS35 BUFFER +5V(P) +5V(P) +5V(P)DET IC17302-04 PANEL DRIVER PANEL DRIVER PLASMA PANEL PANEL DRIVER TH-50PZ80U TH-50PZ80U Block (6/6) Diagram Block (6/6) 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 55
AG_ECO_ON C1112 To D pri 0.1u to (12/12) AG_PANEL_READY AG_PANEL_READY AG_PANEL_ARARM AG_PANEL_ARARM Power Supply AG_ODU_DET/KEY3 to (4/12) AG_ODU_DET/KEY3 AG_KEY1(CON-PANE) to (6/12) AG_KEY1(CON-PANE) AG_R_LED_ON AG_R_LED_ON to (6/12) AG_RMIN to (6/12) AG_RMIN TH-50PZ80U TH-50PZ80U A-Board (7/12) Schematic Diagram A-Board (7/12) Schematic Diagram...
Page 88
C 8 2 3 R 8 3 2 R 8 4 6 C 8 2 9 R 8 1 6 R 8 5 3 R 8 4 7 TH-50PZ80U TH-50PZ80U G-BOARD TNPA4501S GH-BOARD TNPA4603ABS GS-BOARD TNPA4139ADS G-BOARD TNPA4501S GH-BOARD TNPA4603ABS...
Page 89
P b F PBMM1 O R D E R N O . C878 C877 R M 2 5 0 1 D 2 5 2 0 A TH-50PZ80U TH-50PZ80U K-BOARD TNPA4500S K-BOARD TNPA4500S S-BOARD TNPA4499S S-BOARD TNPA4499S PB-BOARD TNPA4243ABS SS2-BOARD TNPA4405S...
Page 90
C 3 0 2 1 L 3 3 0 8 F L 3 0 0 1 R 3 3 0 1 R 8 7 0 5 I C 8 5 0 3 R 3 0 7 6 TH-50PZ80U TH-50PZ80U A-BOARD TNPH0721AFS A-BOARD TNPH0721AFS...
Page 100
R 5 8 3 R 5 8 2 I C 5 2 1 R 5 8 6 D 5 8 3 C 5 2 7 T P 3 I C 5 8 1 R 5 2 1 TH-50PZ80U TH-50PZ80U SC-BOARD TXNSC1RJTUS SC-BOARD TXNSC1RJTUS...
Page 101
R 3 9 0 P b F CRNo.14 H.V.DANGER SU41 Z A 9 0 1 TNPA4406 T P S U 4 T P S U 5 O R D E R N O . H.V.DANGER TH-50PZ80U TH-50PZ80U SU-BOARD TXNSU1RJTU SU-BOARD TXNSU1RJTU...
Page 102
C 3 8 1 R 9 4 9 SD42 P b F H.V.DANGER H.V.DANGER D 9 5 2 C 9 6 9 SD46 1 SD TNPA4407 CRNo.14 O R D E R N O . TH-50PZ80U TH-50PZ80U SD-BOARD TXNSD1RJTU SD-BOARD TXNSD1RJTU...
Page 103
S S 1 1 S S 1 2 L 2 7 1 T P 9 T P 3 L 2 6 2 T P 5 T P 6 T P 4 T P 1 0 TH-50PZ80U TH-50PZ80U SS-BOARD TXNSS1RJTU SS-BOARD TXNSS1RJTU...
Page 104
D 3 1 4 L 2 6 2 R 3 1 4 R 3 1 3 Discharge R 3 1 5 T 3 0 1 R 1 5 9 D 1 5 1 Discharge TH-50PZ80U TH-50PZ80U SS-BOARD TXNSS1RJTU SS-BOARD TXNSS1RJTU...
Page 109
Ref. Safety Part No. Part Name & Description Q'ty Remarks 10030-0042000 BATTERY COVER 1 PAVCA EAS16S06A SPEAKER J0KG00000042 NOISE FILTER K1RYYYA00016 F-TYPE (5C) K2CG3YY00029 AC CORD(USA) 1 PAVCA L6FAYYYH0050 FAN(80MM) MD50F11A1J PLASMA DISPLAY PANEL N2QAYB000221 REMOTE CONTROL 1 PAVCA TBLA3614 STAND POLE LEFT TBLA3615 STAND POLE RIGHT...
Page 110
Ref. Safety Part No. Part Name & Description Q'ty Remarks TPEB331 BAG (PEDESTAL STAND) TPEH273 TOP PROTECT SHEET TQB2AA0777 INSTRUCTION BOOK(ENG/FRE/SPA) 1 PAVCA TQZH983 SCREW USE HANDBILL TSXL519 CABLE (C10-C20/SU11-SD11) TSXL659 CABLE (SC20-D20) TSXL660 CABLE (D31-C11/D32-C21/D33-C22) TSXL661 CABLE (C26-C36) TXALK01RMTU AC INLET ASSY 1 PAVCA TXFKU13TSER...
13.2. Electrical Replacement Parts List 13.2.1. Replacement Parts List Notes...
Page 112
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 C2186 F1G1C104A116 C 0.10UF, K, 16V Description C2187 F1H0J2250008 C 2.2UF, K, 16V C2188 F1G1H471A731 E 470UF, 50V K1KA09A00220 9P CONNECTOR C2189...
Page 113
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C3023 F1J1A106A043 C 0.010UF, K, C4613 F1H1A1050032 E 10UF, 50V C4614 F1G1C104A116 C 0.10UF, K, 16V C3024-35 F1H1A1050032 E 10UF, 50V C4616,17 F1J1A106A043 C 0.010UF, K, C3042-47...
Page 114
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C5617 F1H1A1050032 E 10UF, 50V C8312 F2G0J2210013 E 220UF 6.3V C5618,19 ECJ3YB1E106M C 10 UF, K, 25V C8313 F1G1H102A730 E 1000UF, 50V C5620 F1H1E104A129 E 0.1UF, 25V...
Page 115
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C9210 F1J1A106A043 C 0.010UF, K, C14912 F1J1C1050030 C 1UF, Z, 16V C14920-23 F1L2E104A028 E 1000UF, 25V C9211 F1G1C104A116 C 0.10UF, K, 16V C14928 F1L2E104A028 E 1000UF, 25V C9212...
Page 116
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C16416 F0C2E225A230 E 0.022UF, 250V C17213 F1H1A1050032 E 10UF, 50V C16418,19 F2A2T251A004 E 250UF, 220V C17221-24 F1H1C104A143 C 0.1UF, K, 16V C16424 F1L2J562A022 C 5600UF, K,6.3V C17226-35 F1L2E154A009 E 1500UF, 25V...
Page 117
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description D9024-26 B0JCCE000008 DIODE D16609,10 MA2J11100L DIODE D9027-29 B0BC3R3A0273 ZENER DIODE D16618,19 B0ECKP000047 DIODE D9110 B0JCGD000002 DIODE D16631-33 MAZ81500ML ZENER DIODE D9807,08 B0JCCE000008 DIODE...
Page 118
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description IC1100 MNZSFG3GP53 IC16788 MIP9L02MBS IC1101 TVRP920S PAVCA IC16789 C0DBEYY00078 IC IC2008 C0CBCBE00001 IC IC16791 EHMDD9878 LINEAR IC IC2106 C1AB00002908 IC IC16792 C0JBAA000377 IC...
Page 119
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description L8311,12 G1CR39JA0020 INDUCTION COIL PAVCA Q3125 2SB0709ARL TRANSISTOR L8500 J0JHC0000075 CHIP INDUCTOR Q3801,02 2SD0601ARL TRANSISTOR L8507 J0JHC0000045 CHIP INDUCTOR Q3804 2SD0601ARL TRANSISTOR...
Page 120
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description Q16663 2SB0709ARL TRANSISTOR R1203 ERJ2GEJ473 M 47KOHM, J,0.063W Q16664 B1HFPFA00001 TRANSISTOR R1205,06 ERJ2GEJ220 M 22 OHM, Q16665 B1ABCF000231 TRANSISTOR J,0.063W Q16743 2SD0601ARL...
Page 121
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R3066 D1BB75R0A055 M 75 OHM, 1/10W PAVCA R3847 D0YAR0000007 M 0 OHM 1/4W R3067,68 ERJ2GEJ221 M 220 OHM, R3854 ERJ2GEJ103 M 10KOHM,...
Page 122
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R4600 ERJ2GEJ680 M 68 OHM, R5540 ERJ6GEYJ471 M 470 OHM,J,1/ J,0.063W R4601 ERJ6GEYJ102V M 1K OHM J 1/10W R5542 ERJ6GEYJ471 M 470 OHM,J,1/...
Page 123
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R7716 D0GBR00Z0002 M 0 OHM J 1/16W R8335 ERJ2GEJ680 M 68 OHM, J,0.063W R7731 D0YAR0000007 M 0 OHM 1/4W R8336 J0JCC0000364 CHIP INDUCTOR R7792-99...
Page 124
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R9121 ERJ2GEJ104 M 100KOHM, R9189 ERJ2GEJ104 M 100KOHM, J,0.063W J,0.063W R9122 ERJ2GEJ332 M 3.3KOHM, R9190 ERJ2GEJ472 M 4.7KOHM, J,0.063W J,0.063W R9123...
Page 125
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R9279 D0YAR0000007 M 0 OHM 1/4W R9869-71 ERJ2GEJ103 M 10KOHM, J,0.063W R9280-82 EXB2HV103JV RESISTOR ARRAY R9878 D1BB1502A055 M 15KOHM, 1/10W R9283 ERJ2GEJ103 M 10KOHM,...
Page 126
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R14917 ERJ3GEYJ220 M 22 OHM,J,1/16W R16154 ERJT06J750V M 75 OHM,F,0.25W R14919,20 ERJ3GEYJ220 M 22 OHM,J,1/16W R16155 ERJT08J1R0V M 1.8OHM,J, 0.33W R14921 ERJ8GEYJ224V M 220KOHM, J,1/...
Page 127
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R16317 D0GDR00Z0002 M 0 OHM, 1/10W R16585 ERJ6ENF1201 M 1.2KOHM, 1/10W R16321 ERJ6GEYF473 M 47KOHM,J,1/10W R16586 ERJ6ENF1501 M 1.5KOHM, 1/10W R16322 ERJ6GEYF561 M 560 OHM,F,1/...
Page 128
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R16700 ERJ6GEYJ472V M 4.7K OHM J 1/ R16801,02 ERJ6GEYJ472V M 4.7K OHM J 1/ R16701 D0GD103JA036 M 10KOHM,J,0.25W R16804,05 ERJ8GEYJ224V M 220KOHM, J,1/ R16702 ERJ6GEYJ332V M 3.3K OHM J 1/...
Page 129
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R17169,70 EXB38V471JV RESISTOR ARRAY PAVCA SS2MM2 TMME190 CLAMPER R17173,74 EXB38V470JV RESISTOR ARRAY PAVCA R17175,76 EXB38V471JV RESISTOR ARRAY PAVCA SSMM3,M4 TMME190 CLAMPER...
Page 130
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description D551 VDRK39A5 DIODE C251 ECQV1H104JL P 0.1UF, J, 50V D556 VDRF101A2S DIODE C252 ECQV1H224JL P 0.22UF, J, 50V C254,55 ECQE2223SKF PLASTIC FILM...
Page 131
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description IC251 AN1431TBTA INTEGRATED CIR- R266,67 ARRCR1F3323T METAL GLAZE CUIT FIXED RESISTOR IC352 AN1431TBTA INTEGRATED CIR- R302 ERQ14AJ4R7J F 4.7 OHM, J,1/ CUIT R303,04 ERDS2FJ334...
Page 132
Safety Ref. No. Part No. Part Name & Pcs Remarks Description R624 ERDS2FJ472 CARBON FILM RESISTOR R625 ERG12SJ270J METAL OXIDE FILM RESISTOR R626 ERDS2FJ472 CARBON FILM RESISTOR R627 ERG12SJ270J METAL OXIDE FILM RESISTOR R630,31 ARRCR1F2493T METAL GLAZE FIXED RESISTOR R632 ARRCR1F2213T METAL GLAZE FIXED RESISTOR R701...