Page 2
1 Important Notice This service manual is for MANUFACTURING ID NO. TC-P46U1N as indicated in the label at the side and model name plate of the unit. 2 Different Point 2.1. Mechanical Replacement Parts List Rer.No. Parts No. Parts name & Description...
Page 4
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 5
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 6
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 7
3 Service Navigation 3.1. Service Hint Board Name Function Board Name Function Power Supply Data Driver (Lower Right) Data Driver (Lower Center) DC-DC Converter, Tuner Data Driver (Lower Left) Speaker out, AV Terminal, AV Switch Scan Drive Digital Signal Processor, SYSTEM MPU, HDMI Switch Sustain Drive Seine 3LV Sustain out (Lower)
Page 8
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 9
4 Specifications Power Source AC 120 V, 60 Hz Power Consumption Maximum 332 W Standby condition 0.3 W Plasma Display panel Drive method AC type Aspect Ratio 16:9 Visible screen size 46 inch class (46.0 inches measured diagonally) (W × H × Diagonal) 40.1 inch ×...
Page 10
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...
Page 11
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 12
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 13
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 14
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
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
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 18
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
7 Disassembly and Assembly Instructions 7.1. Remove the Rear cover 1. See Service Hint (Section 3) 7.2. Remove the P-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.
Page 20
7.5. Remove the A-Board 3. Remove the Control button unit. 1. Remove the Tuner unit. (See section 7.4.) 2. Remove the screws (×4 ) and remove the A-Board. 7.8. Remove the GK-Board 1. Remove the Control button unit. (See section 7.7.) 7.6.
Page 21
7.9. Remove the SU-Board 7.10. Remove the SD-Board 1. Remove the flexible cables (SU1, SU2, SU3 and SU4) 1. Remove the Control button unit. (See section 7.7.) connected to the SU-Board. 2. Remove the flexible cables (SD1, SD2, SD3 and SD4) 2.
Page 22
7.11. Remove the SC-Board 7.13. Remove the SS-Board 1. Remove the SU-Board and SD-Board. (See section 7.9. 1. Remove the Tuner unit. (See section 7.4.) and 7.10.) 2. Unlock the cable clampers to free the cable. 2. Unlock the cable clampers to free the cable. 3.
Page 23
7.17. Remove the C3-Board 1. Remove the Tuner unit. (See section 7.4.) 2. Remove the Hanger metal L and the Stand bracket L. (See section 7.14.) 3. Remove the flexible cables holder fastening screws (×14 4. Disconnect the flexible cables (CB9, CB10, CB11, CB12, CB13, CB14 and CB15).
Page 24
2. For leaving the plasma panel from the front frame, pull the 3. Remove the screws (×2 ) and remove the S-Board bottom of the cabinet assy forward, lift, and remove. unit. 4. Disconnect the connector (S2). 5. Remove the Power button. 6.
Page 25
7.20. Remove the K-Board 7.21. Replace the plasma panel 1. Remove the Cabinet assy. (See section 7.18.) Caution: A new plasma panel itself without Hanger metals is 2. Remove the S-Board. (See section 7.19.) fragile. 3. Remove the screws (×7 To avoid the damage to new plasma panel, carry a new 4.
Page 26
8 Measurements and Adjustments 8.1. Adjustment Procedure 8.1.1. Driver Set-up 8.1.1.1. Item / Preparation 1. Input a white signal to plasma video input. 2. Set the picture controls as follows. Picture menu: Vivid Normal: Set Aspect: Full Caution 1. First perform Vsus adjustment. 2.
Page 27
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 100μs period on the down slop. Test point Volume Level...
Page 28
8.1.4. Adjustment Volume Location 8.1.5. Test Point Location...
Page 29
8.2. Adjustment 8.2.1. White balance adjustment Name of measuring instrument Connection Remarks • W/B pattern Component input • Color analyzer or HDMI input (Minolta CA-100 or equivalent) or ATSC 1080i signal Panel surface Procedure Remarks • Make sure the front panel to be used on the final set is fitted. •...
Page 31
9 Block Diagram 9.1. Main Block Diagram DIGITAL SIGNAL PROCESSOR SD CARD SD CARD DATA SD CARD DATA SLOT DDR2 TMDS DATA HDMI1 TMDS DATA HDMI DATA HDMI2 HDMI SW HDMI DATA TMDS DATA HDMI3 (SIDE) IFD_OUT VSB_IN Seine3LV SBO2 SBI2 TUNER SUB+9V DET...
Page 32
9.2. Block (1/4) Diagram JK4500 JK4501 JK4502 DIGITAL SIGNAL PROCESSOR HDMI IN 1 HDMI IN 2 HDMI IN 3 (SIDE) V2_V JK3701 V2_L VIDEO2 V2_R (SIDE) IC4500 STB5V EEPROM TV SUB ON TUNER SOS IC4501 IC3001 (LED:10TIMES) (LED:10TIMES) Q5522 EEPROM VOLTAGE VIDEO SW AUDIO SW...
Page 33
9.3. Block (2/4) Diagram DIGITAL SIGNAL PROCESSOR IC9300 PD3-H IIC2 VIDEO DATA *PLASMA AI VIDEO DATA LVDS DATA *CPG with SS *H/V Sync Control VIDEO DATA *Sub Filed Processor +5V(P) IC9303 *Plasma AI P3.3V ADDR/DATA +5V(P) FLASH Config(CCLK,DDTATA,PROGB), FLASH I/F MEMORY FPCLK,FPDATA[1:0],FVSEL CONTROL DATA...
Page 34
9.4. Block (3/4) Diagram POWER SUPPLY COLD COLD Q601,Q604,Q607 Q203-Q206 L603 T201 D253 Vsus RESONANCE Vsus D254 2A 250V SS11 F603 IC601 Vsus IC202 T301 D353 Q602,Q603 +15V(P) Q201,Q202 PFC CONTROL Q207,Q208 IC352 D609 POWER F351 D351 +15V(P) CONTROL NEED HOLDER IC251 PC201...
Page 37
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 74
12.2. GK, K, S and SS2-Board SS2-BOARD (FOIL SIDE) TXNSS21DYUC TNPA4802 1 SS2 P b F S E E R E V E R S E F O R O R D E R N O . S S 2 4 S S 5 8 SS2-BOARD (COMPONENT SIDE) TXNSS21DYUC...
Page 78
12.4. C1-Board C1-BOARD (FOIL SIDE) TXNC11DXUC TNPA4764 S E E R E V E R S E F O R O R D E R N O . P b F 1 2 3 C1-BOARD (COMPONENT SIDE) TXNC11DXUC R 1 2 3 C1MM1 C1MM2 P b F...
Page 79
12.5. C2-Board Parts Location C2-BOARD IC IC IC17201 C2-BOARD (FOIL SIDE) TXNC21DXUC P b F TNPA4765 S E E R E V E R S E F O R O R D E R N O . C2-BOARD (COMPONENT SIDE) TXNC21DXUC R 2 2 4 R 2 2 6...
Page 80
12.6. C3-Board Parts Location C3-BOARD IC IC IC17300 IC17302 IC17311 C3-BOARD (FOIL SIDE) TXNC31DXUC P b F TNPA4766 S E E R E V E R S E F O R O R D E R N O . C3-BOARD (COMPONENT SIDE) TXNC31DXUC I C 3 0 2 C 3 7 6...
Page 81
12.7. SC-Board SC-BOARD (FOIL SIDE) TXNSC1EEUC Z A 4 2 1 Z A 4 2 2 Z A 4 1 2 Z A 4 1 1 T P 8 1 T P 7 8 T P 5 9 T P 8 0 T P 7 9 T P 5 1 T P 6 1...
Page 82
Parts Location Parts Location SC-BOARD (FOIL SIDE) SC-BOARD (COMPONENT SIDE) TEST POINT PHOTO COUPLER TEST POINT TP42 Q16622 TP43 Q16624 IC16464 PC16461 IC16784 TP44 Q16645 IC16465 PC16480 IC16786 Q16646 TP45 TP46 IC16471 PC16601 IC16788 TP51 Q16647 TP66 IC16490 PC16603 IC16791 TP52 Q16649 IC16491...
Page 92
13.2. Electrical Replacement Parts List 13.2.1. Replacement Parts List Notes...
Page 93
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 C2145 F1H1H223A970 C 0.22UF, K, 50V Description C2146 F1G1H102A730 C 1000UF, 50V C2147 F1G1H102A730 C 1000UF, 50V K1KA08A00506 8P CONNECTOR C2148 F1G1H102A730 C 1000UF, 50V...
Page 94
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C4514 F1G1C104A116 C 0.10UF, K, 16V C4776 F1G1H102A730 C 1000UF, 50V C4517 F1G1C104A116 C 0.10UF, K, 16V C4777 F1G1C104A116 C 0.10UF, K, 16V C4520 F1J1A106A043 C 0.010UF, K,...
Page 95
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C5736 F1J1A106A043 C 0.010UF, K, C8135 F1J1A106A043 C 0.010UF, K, C5737 F1J1A106A043 C 0.010UF, K, C8136 F1G1C104A116 C 0.10UF, K, 16V C8138 F1G1H102A730 C 1000UF, 50V C5764...
Page 96
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C8312 EEEHB0J221UP C 220PF, J, 6.3V C9091 F1G1H201A731 C 200 UF, K, 50V C8313 F1G1H102A730 C 1000UF, 50V C9100 F1G1C104A116 C 0.10UF, K, 16V C8346...
Page 97
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C9544 F1G1C104A116 C 0.10UF, K, 16V C9957 F1G1C104A116 C 0.10UF, K, 16V C9545 F1G1C104A116 C 0.10UF, K, 16V C9958 F1G1C104A116 C 0.10UF, K, 16V C9546...
Page 98
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description D4544 EZAEG2A50AX DIODE IC8004 C1ZBZ0003992 IC PAVCA D4545 EZAEG2A50AX DIODE IC8007 C0DBFFD00005 IC D4546 EZAEG2A50AX DIODE IC8008 C0DBGYY00578 IC D4547 EZAEG2A50AX DIODE...
Page 99
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description L8012 J0JHC0000045 CHIP INDUCTOR Q8001 B1ABCF000231 TRANSISTOR L8014 J0JHC0000045 CHIP INDUCTOR Q9000 B1ABCF000231 TRANSISTOR L8015 J0JHC0000045 CHIP INDUCTOR Q9001 B1ABCF000231 TRANSISTOR L8016...
Page 100
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R1209 ERJ2GEJ472 M 4.7KOHM, R2131 ERJ2GEJ101 M 100 OHM, J,0.063W J,0.063W R1210 ERJ2GEJ101 M 100 OHM, R2132 ERJ2GEJ101 M 100 OHM, J,0.063W J,0.063W...
Page 101
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R3099 ERJ2GEJ680 M 68 OHM, R4592 ERJ2GEJ103 M 10KOHM, J,0.063W J,0.063W R3107 ERJ2GEJ680 M 68 OHM, R4593 ERJ2GED273X M 27KOHM J,0.063W ,J,0.063W...
Page 102
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R5635 ERJ2GEJ223 M 22KOHM, R8067 ERJ2RKF91R0X M 249 OHM, PAVCA J,0.063W 0.063W R5636 ERJ2GEJ683 M 68KOHM, R8068 ERJ2RKF91R0X M 249 OHM, PAVCA J,0.063W 0.063W...
Page 103
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R8154 ERJ2GEJ220 M 22 OHM, R9095 ERJ2GEJ103 M 10KOHM, J,0.063W J,0.063W R8167 ERJ2GEJ220 M 22 OHM, R9096 ERJ2GEJ472 M 4.7KOHM, J,0.063W J,0.063W...
Page 104
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R9208 EXB2HVR000 RESISTOR ARRAY R9413 ERJ2GEJ470 M 47 OHM, J,0.063W R9209 EXB2HVR000 RESISTOR ARRAY R9414 ERJ2GEJ470 M 47 OHM, R9210 D0GDR00Z0002 M 0 OHM, 1/10W J,0.063W...
Page 105
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R9975 ERJ2GEJ470 M 47 OHM, C16201 F0C2E405A230 E 0.040UF, 250V J,0.063W C16202 F0C2E405A230 E 0.040UF, 250V R9977 ERJ2GEJ470 M 47 OHM, C16203 F0C2E405A230 E 0.040UF, 250V...
Page 106
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C16675 F1H1H391A971 C 391UF, 50V C17304 F1L2E154A028 E 1500UF, 25V C16684 F1H1H104A970 C 0.1UF, K, 50V C17305 F1L2E154A028 E 1500UF, 25V C16685 F1H1H104A970 C 0.1UF, K, 50V C17306...
Page 107
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description D16466 MA2J11100L DIODE D16821 MAZ83600ML ZENER DIODE D16473 MA3X152D0L DIODE D16824 MAZ83300ML ZENER DIODE D16474 MA2J11100L DIODE D16825 MAZ83300ML ZENER DIODE D16475...
Page 108
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description PC16301 B3PBA0000498 IC Q16668 2SD0601AQL TRANSISTOR PC16461 B3PBA0000457 IC Q16670 B1ADCN000007 TRANSISTOR PC16480 B3PBA0000498 IC Q16671 B1ABCF000231 TRANSISTOR PC16601 B3PBA0000498 IC Q16675...
Page 109
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R16173 ERJ6GEYF473 M 47KOHM,J,1/10W R16422 ERJT08J7R5V M 7.5OHM,J, 0.33W R16181 D0GD100JA059 M 10 OHM,J,0.25W R16441 ERJT08J5R6V M 5.6 R16182 ERJ6GEYF473 M 47KOHM,J,1/10W...
Page 110
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R16584 D1BD6801A044 M 6.8KOHM, 1/10W R16680 ERJ6GEYJ472V M 4.7K OHM J 1/ R16585 D1BD1001A044 M 1KOHM, 1/10W R16681 ERJT06J100V M 10 OHM,F,0.25W R16586...
Page 111
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R16785 D1BD1003A044 M 100KOHM, 1/10W R16926 ERJ6GEYJ222V M 2.2K OHM J 1/ R16786 D1BD1003A044 M 100KOHM, 1/10W R16927 ERJ6GEYJ223 M 22KOHM,J,1/10W R16787...
Page 112
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R17228 D0GDR00Z0002 M 0 OHM, 1/10W SC42 K1KY09AA0745 9P CONNECTOR R17229 ERJ6GEYJ224 M 220KOHM,J,1/ SC46 K1KY09AA0745 9P CONNECTOR SC50 K1KA02AA0193 2P CONNECTOR R17230...
Page 113
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C352 ACKZE1V561T ELECTROLYTIC C603 ECKENA221KBR C 221P 250V CAPACITOR C605 ECWF2W105KA PLASTIC FILM C353 ACKZE1K821E Al ELECTROLYTIC CAPACITOR(PP) CAPACITOR C606 ACTEB104K5T...
Page 114
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description D359 VDFCHS10A045 DIODE PC301 VPS2581AL2HE OPTOISOLATOR D360 VDSAR02LFA4 DIODE PC501 VPS2581AL2HE OPTOISOLATOR D501 VDS1WBA80 DIODE PC502 VPS2581AL2HE OPTOISOLATOR D502 MA165TAKU DIODE...
Page 115
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R236 ARRCR2F1004T METAL GLAZE R315 ERJ6GEYJ221V M 220 OHM,J,1/ FIXED RESISTOR R251 ARRCR1F1503T METAL GLAZE R316 ERJ6GEYJ221V M 220 OHM,J,1/ FIXED RESISTOR R252 ARRCR1F1503T METAL GLAZE...
Page 116
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R394 ERJ6ENF1002 M 10KOHM, 1/10W R611 ERJ3GEYJ100 M 10 OHM,J,1/16W R395 ERJ6GEYJ683V M 68K OHM J 1/ R612 ERJ3EKF3162 M31.6KOHM, 1/16W R613...
Page 117
Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R671 ERJ6GEYJ221V M 220 OHM,J,1/ T301 ETB35BC29GAD TRANSFORMER T501 ETB29AK1L8AD TRANSFORMER R672 ERJ6GEYJ221V M 220 OHM,J,1/ VR251 EVMEASA01B15 VARIABLE RESIS- R701 ERJ6GEYJ102V M 1K OHM J 1/10W R702...