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Panasonic PT-60LC13 Service Manual
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Panasonic PT-60LC13 Service Manual

Panasonic PT-60LC13 Service Manual

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ORDER NO. MKE0310854A1
B2
Multi Media Display
PT-60LC13
Please file and use this manual together with the service manual for
Model No. PT-50LC13, Order No. MKE0307850C1.
SPECIFICATIONS
1

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Summary of Contents for Panasonic PT-60LC13

  • Page 1 ORDER NO. MKE0310854A1 Multi Media Display PT-60LC13 Please file and use this manual together with the service manual for Model No. PT-50LC13, Order No. MKE0307850C1. SPECIFICATIONS...
  • Page 2 2003 Matsushita Kotobuki Electronics Industries LTD. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. DIFFERENCES BETWEEN PT-60LC13 and PT- 50LC13 1.1. COMPARISON CHART 1.1.1. MECHANICAL REPLACEMENT PARTS LIST...
  • Page 3 Definition of Parts supplier: 1. Parts with mark "MKA" in the Remarks column are supplied from MKA. 2. Parts without mark in the Remarks column are supplied from MKE. 2. EXPLODED VIEWS (CABINET SECTION) 2.1. MAIN PARTS SECTION...
  • Page 4 2.2. DISPLAY SECTION...
  • Page 5 2.3. SCREEN SECTION...
  • Page 6 3. DISASSEMBLY / ASSEMBLY PROCEDURES 3.1. CABINET SECTION...
  • Page 7 REMOVAL OF THE BALLAST C.B.A. AND THE TV/TUNER UNIT FROM THE CABINET 1. Remove the Rear Cover by removing the 20 Screws (401, 464). Rear Cover Fig. D1-1...
  • Page 8 REMOVAL OF THE SCREEN UNIT AND THE SPEAKER FROM THE DISPLAY 4. 1) Remove the Speaker-L and the Speaker-R by removing the 6 Screws (401, 450) and 6 Washers (453), and disconnect the connectors P4553. 2) Remove the Screen Unit by removing the 22 Screws (401). Screen Unit Speaker L P4553...
  • Page 9 5. Remove the 2 Screen Plate H and 2 Screen Plate V by removing 40 Screws (465), and remove the Fresnel Lens and the Lenticular Screen. Lenticular Screen Screen Plate H Fresnel Lens Escutcheon Screen Plate V Serial No. Label Screen Screen Plate V...
  • Page 10 REMOVAL OF THE MIRROR FROM THE BACK COVER 1. Remove the Screen Unit. Refer to Steps 1~4 in “REMOVAL OF THE SCREEN UNIT AND THE SPEAKER FROM THE DISPLAY.” 2. 1) Remove the 3 Mirror Holder H and the 2 Mirror Holder V Unit by removing the 15 Screws (401). 2) Remove the Mirror from the top by releasing the Back Cover slots.
  • Page 11 ORDER NO. MKE0307850C1 Multi Media Display PT-50LC13 SPECIFICATIONS 2003 Matsushita Kotobuki Electronics Industries LTD. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 12 1. SAFETY PRECAUSIONS 1.1. GENERAL GUIDELINES 1. For continued safety, no modification of any circuit should be attempted. 2. Disconnect AC Plug before disassembling this unit. 3. It is advisable to use an isolation transformer in the AC supply before servicing. 4.
  • Page 13 receiver, such as screwheads, connectors, etc. When the exposed metallic part has a return path to the chassis, the reading should be between 1 M and 12 M . When the exposed metal does not have a return path to the chassis, the reading must be infinity. 1.3.
  • Page 14 operation, wait until it has completely cooled off when replacing the Lamp Unit. 3. The lamp emits small amounts of UV-Radiation. Avoid direct-eye contact by covering the Lamp and wearing the UV cut protective glass. 4. The high pressure lamp involves a risk of explosion. Figure 2 2.
  • Page 15 assembly. 3. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 4. Use only an antistatic solder removal device. Some solder removal devices not classified as "antistatic (ESD protected)" can generate electrical charge sufficient to damage ES devices. 5.
  • Page 16 4. SERVICE NOTES 5. DISASSEMBLY/ASSEMBLY PROCEDURES 5.1. CABINET SECTION 6. ADJUSTMENT PROCEDURES 7. TROUBLESHOOTING HINTS FOR BLOCK LEVEL REPAIR 8. BLOCK DIAGRAMS 9. SCHEMATIC DIAGRAMS 9.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES 9.2. INTERCONNECTION SCHEMATIC DIAGRAM 9.3. FRONT JACK SCHEMATIC DIAGRAM 9.4.
  • Page 17 10.1. FRONT JACK C.B.A. / OPERATION C.B.A. / NETWORK C.B.A. 10.2. AUDIO AMP C.B.A. / THERMISTOR 1 C.B.A. / THERMISTOR 2 C.B.A. / COVER SWITCH C.B.A. 10.3. TUNER C.B.A. 11. EXPLODED VIEWS 11.1. MAIN PARTS SECTION...
  • Page 18 11.2. FRONT AND BASE SECTION...
  • Page 19 11.3. DISPLAY SECTION...
  • Page 20 11.4. SCREEN SECTION...
  • Page 21 11.5. PROJECTION SECTION...
  • Page 22 11.6. TV AND TUNER SECTION...
  • Page 23 11.7. PACKING PARTS AND ACCESSORIES SECTION...
  • Page 24 11.8. OPTIONAL ACCESSORY SECTION (1)
  • Page 25 11.9. OPTIONAL ACCESSORY SECTION (2)
  • Page 26 12. REPLACEMENT PARTS LIST BEFORE REPLACING PARTS, READ THE FOLLOWING: 12.1. REPLACEMENT NOTES 12.1.1. General Notes 1. Use only original replacement parts: To maintain original function and reliability of repaired units, use...
  • Page 27 only original replacement parts which are listed with their part numbers in the parts list. 2. IMPORTANT SAFETY NOTICE Components identified by the sign have special characteristics important for safety. When replacing any of these components, use only the specified parts. 3.
  • Page 28 available. 3. After replacing the Projection Unit (Ref. No. 21), be sure to perform "ADJUSTMENT of the Projection Unit." Refer to "WHEN REINSTALLING THE PROJECTION UNIT INTO THE UNIT AT THE USER'S LOCATION" in SERVICE NOTES. 4. The Infrared Remote Control Unit (Ref. No. 109) replacement part is available as a complete assembly unit only.
  • Page 29 3. When replacing 0 resistor, a wire can be substituted for it. 4. Since MAIN TUNER,UHF/VHF and SUB TUNER,UHF/VHF (Ref. No. 756 and 757) have already been pre-adjusted at the factory, do not try to adjust them. The replacement parts for them are available as a complete assembly unit only.
  • Page 30 4 MKA LSGP0366 FRESNEL LENS 4 MKA LSXA0548 SCREEN PLATE H UNIT,STEEL 4 MKA LSXA0549 SCREEN PLATE V UNIT,STEEL 4 MKA TBM2AA0071 PANASONIC BADGE 4 MKA LSGV0056 BACK COVER 3 MKA LSDL0243 MIRROR 3 MKA LSMF0280 SPACER 3 MKA LSMF0281...
  • Page 31 Ref. No. Part No. Part Name & Description Remarks XTV3+10J TAPPING SCREW,STEEL 3 MKA XYE3+FF8 SCREW W/WASHER,STEEL XYN3+K10 SCREW W/WASHER,STEEL XTV3+8G TAPPING SCREW,STEEL 2,5 MKA XTV3+20J TAPPING SCREW,STEEL XTW3+10J TAPPING SCREW,STEEL XTV4+30A TAPPING SCREW,STEEL 3 MKA XTW3+8Q TAPPING SCREW,STEEL 1 MKA XTV3+8F TAPPING SCREW,STEEL 1 MKA...
  • Page 32 Ref. No. Part No. Part Name & Description Remarks LSYP0096 SHELF PANEL UNIT 9 MKA LSYC0252 PARTS UNIT 9 MKA LSPF0054 BAG,POLYETHYLENE 9 MKA LSYY0033 TOP PAD 9 MKA LSYY0034 BOTTOM PAD 9 MKA LSPG1573 PACKING CASE,PAPER 9 MKA LSYP0095 TOP PANEL UNIT 8 MKA LSYP0092...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks R3901 ERJ6ENF75R0V MGF CHIP 1/10W 75 R3902 ERJ6ENF75R0V MGF CHIP 1/10W 75 R3903 ERJ6ENF75R0V MGF CHIP 1/10W 75 R3904 ERJ6GEY0R00V MGF CHIP 1/10W 0 R3905 ERJ6GEY0R00V MGF CHIP 1/10W 0 R3906 ERJ6GEY0R00V MGF CHIP 1/10W 0 R3907 ERJ6GEY0R00V MGF CHIP 1/10W 0...
  • Page 34 Ref. No. Part No. Part Name & Description Remarks Q7002 2SB1218A0L TRANSISTOR SI PNP CHIP Q7002 B1ADCF000063 TRANSISTOR SI PNP CHIP Q7002 B1ADCF000075 TRANSISTOR SI PNP CHIP Q7101 2SB1218A0L TRANSISTOR SI PNP CHIP Q7101 B1ADCF000063 TRANSISTOR SI PNP CHIP Q7101 B1ADCF000075 TRANSISTOR SI PNP CHIP Q7501 2SB1218A0L...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks R7501 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K R7502 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K R7503 ERJ6GEYJ273V MGF CHIP 1/10W 27K R7504 ERJ6GEYJ223V MGF CHIP 1/10W 22K R7505 ERJ6GEYJ273V MGF CHIP 1/10W 27K R7506 ERJ6GEYJ223V MGF CHIP 1/10W 22K R7508 ERJ6GEYJ101V MGF CHIP 1/10W 100...
  • Page 36 COILS Ref. No. Part No. Part Name & Description Remarks L7001 VLQSAB7D100K COIL 10UH L7101 VLQSAB7D100K COIL 10UH L7501 ELESN101KA COIL 100UH CRYSTAL OSCILLATOR Ref. No. Part No. Part Name & Description Remarks X6501 EFOEC4004T4 CRYSTAL OSCILLATOR PIN HEADERS Ref. No. Part No.
  • Page 37 RESISTORS Ref. No. Part No. Part Name & Description Remarks R4501 ERJ6GEYJ472V MGF CHIP 1/10W 4.7K R4502 ERJ6GEYJ153V MGF CHIP 1/10W 15K R4503 ERJ6GEYJ103V MGF CHIP 1/10W 10K R4504 ERX1SJ4R7P METAL FILM 1W 4.7 R4505 ERX1SJ4R7P METAL FILM 1W 4.7 R4506 ERJ6GEYJ153V MGF CHIP 1/10W 15K R4507...
  • Page 38 RELAY Ref. No. Part No. Part Name & Description Remarks RL4501 K6B2AGA00038 RELAY MISCELLANEOUS Ref. No. Part No. Part Name & Description Remarks TMM5439-1 CLAMPER XYN3+K10 SCREW W/WASHER,STEEL XTW3+10J TAPPING SCREW,STEEL VMTS0035 CUSHION,RUBBER LSSC0634 HEAT SINK 12.4.4. OPERATION C.B.A. TRANSISTORS Ref.
  • Page 39 12.4.5. NETWORK C.B.A. CAPACITORS Ref. No. Part No. Part Name & Description Remarks C4551 F2J1J3R3A003 ELECTROLYTIC 63V 3.3UF PIN HEADERS Ref. No. Part No. Part Name & Description Remarks P4551 K1KA02A00229 CONNECTOR 2P P4552 K1KA02A00188 CONNECTOR 2P P4553 K1KA02A00008 CONNECTOR 2P 12.4.6.
  • Page 40 MISCELLANEOUS Ref. No. Part No. Part Name & Description Remarks LSJA0478 CONNECTOR CABLE W/PLUG, 13. SCHEMATIC DIAGRAMS FOR PRINTING WITH LETTER SIZE...
  • Page 41 INTERCONNECTION SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. IMPORTANT SAFETY NOTICE: THERMAL FUSE UNIT REPLACEMENT NOTE: NOTE: Do not use the part number on this diagram.
  • Page 42 FRONT JACK SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. VIDEO SIGNAL(MAIN/SUB) SUB VIDEO SIGNAL AUDIO SIGNAL Do not use the part number on this diagram.
  • Page 43 NOTE: For placing a purchase order of the parts, NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION. NOTE: PARTS MARKED "PT"...
  • Page 44 AUDIO AMP SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION.
  • Page 45 TUNER SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION.
  • Page 46 I/O CHART OF IC6501 Pin No. I/O Signal Name Description (Not used) (Not used) RESET RESET(L) 4MHz OSCILLATION 4MHz OSCILLATION STANDBY_LED (Not used) POWER_ON_LED (Not used) LAMP_LED (Not used) TEMP_LED (Not used) AVSS (Not used) (Not used) TNR1_SIG_L SUB TUNER SIGNAL(L) TNR2_SIG_L MAIN TUNER SIGNAL(L) TNR1_AFC...
  • Page 47 PT-50LC13 9.2. INTERCONNECTION SCHEMATIC DIAGRAM INTERCONNECTION SCHEMATIC DIAGRAM IMPORTANT SAFETY NOTICE: THERMAL FUSE UNIT REPLACEMENT NOTE: CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, COMPONENTS IDENTIFIED BY THE SIGN HAVE REPLACE ONLY WITH THE SAME TYPE NUMBER LSJA0464-FE (115 SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES USE ONLY THE SPECIFIED PARTS.
  • Page 48 NOTE: NOTE: For placing a purchase order of the parts, FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. NOTE: NOTE: REFER TO BEGINNING OF SCHEMATIC SECTION. Do not use the part number on this diagram. THE LAMP UNIT IS NOT SUPPLIED AS A REPLACEMENT PART.
  • Page 49 9.3. FRONT JACK SCHEMATIC DIAGRAM FRONT JACK SCHEMATIC DIAGRAM VIDEO SIGNAL(MAIN/SUB) SUB VIDEO SIGNAL AUDIO SIGNAL R3914 R3915 FL3911 SW_IN_L JK4801 PT[2012] K1U412A00008 SW_OUT_L R3916 H/P_IN_L AMP_GND TO REAR JACK C.B.A. P3502 P3902 H/P_IN_R S-VIDEO IN3 L3_CPS_NOSIG_L SW_IN_R FL3912 L3_S_IN_L SW_OUT_R PT[2012] LINE3_Y...
  • Page 50 PT-50LC13 9.4. NETWORK/ THERMISTOR 1/ THERMISTOR 2/ OPERATION/ COVER SWITCH S NETWORK SCHEMATIC DIAGRAM OPERA (FOR L-CH SPEAKER) AUDIO SIGNAL J4551 TO L-CH SPEAKER (TWEETER) P4551 C4551 R4551 SP_OUT_L_TW 3R3/63V AMP_GND TO L-CH SPEAKER TO AUDIO AMP C.B.A. (WOOFER) P4552 P4553 P4503 SP_OUT_L_WF...
  • Page 51 VER SWITCH SCHEMATIC DIAGRAMS NOTE: NOTE: For placing a purchase order of the parts, FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. REFER TO BEGINNING OF SCHEMATIC SECTION. Do not use the part number on this diagram.
  • Page 52 9.5. AUDIO AMP SCHEMATIC DIAGRAM AUDIO AMP SCHEMATIC DIAGRAM AUDIO SIGNAL C4534 C4535 100/6.3V 100/6.3V IC4503 TA78M12S (+12V REG.) +12V REG. (TO POWER C.B.A.) P4501 P1009 IC4501 TDA7265 (AUDIO AMP) P1010 P1011 C4512 C4513 C4501 C4511 C4510 1000/35V C4502 1/50V[N] R4506 R4508 1000/35V...
  • Page 53 PT-50LC13 NOTE: NOTE: For placing a purchase order of the parts, FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. REFER TO BEGINNING OF SCHEMATIC SECTION. Do not use the part number on this diagram. NOTE: PARTS MARKED "PT"...
  • Page 54 PT-50LC13 9.6. TUNER SCHEMATIC DIAGRAM TUNER SCHEMATIC DIAGRAM Z7001 LSJA0468 2TNR U7001 ENG36714GF U7101 ENG36712GF ENG36708GY (UHF/VHF MAIN TUNER) (UHF/VHF SUB TUNER) MAIN_TUNER SUB_TUNE C7001 C7101 MAIN TUNER 2200P C7003 2200P VIDEO LEVEL P7001 2200P C7002 1000/6.3V C7004 ESD GND C7005 Q7002 C7006...
  • Page 55 NOTE: NOTE: For placing a purchase order of the parts, FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. REFER TO BEGINNING OF SCHEMATIC SECTION. Do not use the part number on this diagram. NOTE: PARTS MARKED "PT"...
  • Page 56 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, AUDIO AMP REFER TO BEGINNING OF SCHEMATIC SECTION. TUNER C.B.A. C.B.A. MODE STOP MODE STOP MODE STOP MODE STOP MODE STOP MODE STOP MODE STOP MODE STOP MODE STOP MODE STOP MODE STOP MODE...
  • Page 57 LED INDICATIONS FOR ERROR CONDITION Each LED indication facilitates finding the cause of the error. When an error is detected, each LED on the front will light up or flash when the AC Cord is plugged in. The detected error data will not be stored in the EEPROM. This data is cleared when the AC Cord is unplugged. POWER LED LAMP LED TEMP LED...
  • Page 58 MAIN PARTS LOCATION <Front View> Network C.B.A. TEMP LED LAMP LED Lamp Cover Cover Switch C.B.A. Network C.B.A. Optical Cover POWER LED Front Cover Unit Operation C.B.A. <Rear View> 20-pin Cable Projection Unit Thermal Fuse Unit Thermistor 2 C.B.A. Fan 3 Thermistor 1 C.B.A.
  • Page 59 SERVICE MODE Service Mode Map In this mode, the following information can be confirmed on the screen: Enter : VOLUME DOWN button + TV/VIDEO key (on the front) (on the remote) Service Mode (1/3) (for more than 5 seconds in power off condition) •...
  • Page 60 BEFORE REMOVING THE MAIN C.B.A. OR WHEN REINSTALLING THE MAIN C.B.A. THE TV/TUNER UNIT FROM THE UNIT AT OR THE TV/TUNER UNIT INTO THE UNIT THE USER’S LOCATION AT THE USER’S LOCATION CAUTION: Note: 1. Set CURRENT LAMP value to original value as follows. The TV/Tuner Unit includes the Main C.B.A.
  • Page 61 BEFORE REMOVING THE PROJECTION WHEN REINSTALLING THE PROJECTION UNIT FROM THE UNIT AT THE USER’S UNIT INTO THE UNIT AT THE USER’S LOCATION LOCATION 1. Be sure to install the original Lamp, the Fan 3 Unit, the Top 1. When removing the Projection Unit, remove the Lamp from Duct 3 Unit and the 20-pin Cable into the new Projection the Projection Unit and keep it.
  • Page 62 4. 1) Then, press and hold the VOLUME DOWN button on a. Mechanical Picture Position Adjustment the unit and the MOVE key on the remote for more than 1) Loosen the 4 Screws on the Projection Unit. 5 seconds. The unit will go into the Factory Adjust Mode.
  • Page 63 b. Focus Adjustment c. Electrical Picture Position Adjustment 1) Confirm that each of the pixels in the nine portions is 1) Adjust OPT HPOSI so that “C” is symmetrical to “D.” by clearly visible. pressing the VOLUME UP/DOWN key on the remote to change the value.
  • Page 64 RESET USER’S MEMORY FUNCTIONS CLOGGED AIR FILTER DETECTION When a dirty or clogged air filter is detected, the OSD display Be sure to reset the user’s memory: appears for 1 minute. And then the Lamp is turned OFF. • After replacing the Main C.B.A. (included in the TV/Tuner When this OSD display appears, remove the Projection Unit Unit) from rear, and clean the air filters gently on the Projection Unit.
  • Page 65 REPLACEMENT OF LAMP Lamp Replacement Procedure: 1. Press the POWER button on the remote to turn off the power. Lamp Time Reset Procedure: 2. Wait for about 1 minute until the cooling fan stops. Be sure to reset the Lamp time to “0” after replacing the Lamp. Note: 1.
  • Page 66 CLEANING METHOD THE FILTER ON THE PROJECTION UNIT CAUTION: THE SCREEN UNIT AND THE MIRROR Operating with torn or damaged Air Filter may cause damage •THE SCREEN UNIT (Lenticular Screen, Fresnel Lens) to the Projection unit. The Lenticular Screen surface should be wiped gently with a Remove the Projection Unit from rear.
  • Page 67 TO DISTINGUISH THE PROJECTION DO NOT UNPLUG AC CORD DURING LENS UNIT OR THE PROJECTION UNIT COOLING OPERATION The lamp cooling fan will continue to operate for approximately The only difference between the 50 inch model and the 60 inch 1 minute after the power is turned off.
  • Page 68 WIRE AND LEAD POSITION DIAGRAM OF THE UNIT After servicing, make sure that all wires, leads, and clampers are placed in their original position. It is important for the best operation of the unit. Note: Use extreme care especially for the following. Thermal Fuse Unit Clamper Thermistor...
  • Page 69 After servicing, make sure that all wires, leads, and clampers are placed in their original position. It is important for the best operation of the unit. Note: Use extreme care especially for the following. P2303 (From Thermistor 1 C.B.A.) Clamper Clamper Thermal Fuse Unit P2902 (From Fan 1)
  • Page 70 After servicing, make sure that all wires, leads, and clampers are placed in their original position. It is important for the best operation of the unit. Note: Use extreme care especially for the following. P5501 P6305 P6003 (From Operation (From Front No connection (From Tuner Jack C.B.A.)
  • Page 71 After servicing, make sure that all wires, leads, and clampers are placed in their original position. It is important for the best operation of the unit. Note: Use extreme care especially for the following. Power C.B.A. P1001 (To Ballast C.B.A.) P2901 P805 (To Ballast C.B.A.) (To LCD Drive...
  • Page 72 CABINET SECTION DISASSEMBLY METHOD OF CABINET SECTION Cabinet section contains following removal procedures: REMOVAL OF THE BALLAST C.B.A. AND THE TV/TUNER UNIT FROM THE CABINET REMOVAL OF THE PROJECTION UNIT FROM THE CABINET REMOVAL OF THE TUNER C.B.A., THE MAIN C.B.A., THE REAR JACK C.B.A., THE AUDIO AMP C.B.A., THE POWER C.B.A. FROM THE TV/TUNER UNIT REMOVAL OF THE SCREEN UNIT AND THE SPEAKER FROM THE DISPLAY REMOVAL OF THE MIRROR FROM THE BACK COVER...
  • Page 73 REMOVAL OF THE BALLAST C.B.A. AND THE TV/TUNER UNIT FROM THE CABINET 1. Remove the Rear Cover by removing the 18 Screws (401). Rear Cover Fig. D1-1 2. Remove the Rear Support Plate by removing the 4 Screws (401, 452). Rear Support Plate Fig.
  • Page 74 3. 1) Remove the 5 Screws (402) and remove Clamper-1. 2) Remove the 2 Screws (451) on the Lamp Socket. 3) Disconnect the Lamp Connector while releasing it from Clamper-2. 4) Avoiding the Ballast C.B.A., disconnect Connector P1306 (Thermal Fuse Unit) inside of the Ballast C.B.A. 5) Remove the Clamper from the Ballast C.B.A.
  • Page 75 4. 1) Disconnect Connectors P3502, P5501, P4503, P6305 and release them from the clampers. 2) Remove the Screw (452) on the GND Wire. 3) Remove the Screw (401) on the TV/Tuner Ass’y. 4) Lift up and slide the TV/Tuner Ass’y slightly by releasing the 7 Guide Tabs. CAUTION: Do not slide the TV/Tuner Ass’y too much or the 20-pin Cable may be damaged.
  • Page 76 5. 1) Disconnect Connector P2901 and release them from the clamper. 2) Disconnect Connector P5302 (20-pin Cable) and release it from the clamper. CAUTION: Take extreme care not to damage the 20-pin Cable when disconnecting. Clamper P5302 P2901 CAUTION: 20-pin Cable Clamper Fig.
  • Page 77 6. 1) Pull off the TV/Tuner Ass’y with the Ballast C.B.A. while taking care with the cables. 2) Remove the GND Plate A from the TV/Tuner Unit by removing the Screw (452). 3) Remove the SD Door Unit from the TV/Tuner Unit by releasing the 2 Locking Tabs. Ballast holes C.B.A.
  • Page 78 7. 1) Disconnect Connectors P6002, P805, P1001 and release them from the clampers. 2) Then, remove the Ballast C.B.A. P6002 Clamper Ballast C.B.A. P1001 Clamper P805 Fig. D1-8...
  • Page 79 REMOVAL OF THE PROJECTION UNIT FROM THE CABINET 1. Remove the Ballast C.B.A. and the TV/Tuner Unit. Refer to Steps 1~6 in “REMOVAL OF THE BALLAST C.B.A. AND THE TV/ TUNER UNIT FROM THE CABINET.” 2. 1) Disconnect Connector P2306. Then, hook the P2306 cable to the pin. 2) Remove the 7 Screws (401) on the Projection Unit.
  • Page 80 CAUTION: Disconnect Connector P2306 and hook it as follows. Guide Tabs (X5) P2306 Cable Cover Switch Rear C.B.A. <Bottom View of Projection Unit> Projection Unit Slide holes Fig. D2-2 Reassembly Note: Before installing the Projection Unit, confirm that the P2306 cable is hooked to the pin. Then, install the Projection Unit to the cabinet.
  • Page 81 3. 1) Disconnect Connector P2501 (20-pin Cable), and release it from the clamper. 2) Disconnect Connector P2904, and remove the Fan 3 Unit by removing the 2 Screw (402). 3) Remove the Top Duct 3 Unit by removing the 4 Screws (421) and release it from the clamper. CAUTION: When removing the Screws (421) on the Top Duct 3 Unit, plastic dust may be produced.
  • Page 82 REMOVAL OF THE TUNER C.B.A., THE MAIN C.B.A., THE REAR JACK C.B.A., THE AUDIO AMP C.B.A., THE POWER C.B.A. FROM THE TV/TUNER UNIT CAUTION: 1. Be sure to make a note of the CURRENT LAMP value (value A) in Service Mode (1/3): LAMP OPERATION TIME is stored in EEPROM on the Main C.B.A.
  • Page 83 3. 1) Disconnect Connector P3401 and release from the clamper. 2) Remove the Tuner P.C.B. Frame by removing the 6 Screws (402). 3) Release the AC Cord from the slot of the Rear Jack Holder. 4) Remove the Rear Jack Holder by removing the 3 Screws (402). Tuner P.C.B.
  • Page 84 4. Remove the Main C.B.A. by removing the 6 Screws (402) and disconnecting Connector P3403 and P3404. P3403 Main C.B.A. P3404 Fig. D3-3...
  • Page 85 5. 1) Disconnect Connector P3603 and release from the clamper. 2) Remove the Rear Jack C.B.A. and the GND Plate C from the slots by removing the 2 Screws (402). Slots Rear Jack C.B.A. Plate C P3603 Fig. D3-4 6. 1) Disconnect Connector P4501 and release from the clamper. 2) Remove the Audio Amp C.B.A.
  • Page 86 7. 1) Disconnect Connector P1006 and release from the clamper. 2) Remove the Main P.C.B. Frame by removing the 6 Screws (402), and remove the Fan 4 by removing the 2 Screws (435). 3) Remove the Power C.B.A. by removing the 5 Screws (411). 4) Disconnect Connector P804 (AC Cord) and release from the clamper.
  • Page 87 Note: Alternative method to access the Power C.B.A. in the TV/Tuner Unit 1) Remove the Rear Jack Holder by removing the 3 Screws (402) from the TV/Tuner Unit. 2) Remove the 2 Screws (402) on the Rear Jack C.B.A. 3) Disconnect Connectors P3401, P1006 and release from the clampers. 4) Remove the 6 Screws (402) on the Main P.C.B.
  • Page 88 REMOVAL OF THE SCREEN UNIT AND THE SPEAKER FROM THE DISPLAY 1. 1) Remove the Front Cover Unit from the 8 latches. 2) Remove the Optical Cover by removing the 2 Screws (454). 3) Remove the 2 Screws (401) from front side. latches latches Optical Cover...
  • Page 89 3. 1) Disconnect Connector P4503 (speaker cables) and release it from the clamper. 2) Remove the 2 Screws (401) from rear side, and remove the Display. Display P4503 Clamper Fig. D4-3...
  • Page 90 4. 1) Remove the Speaker-L and the Speaker-R by removing the 6 Screws (450) and 6 Washers (453), and disconnect the connectors P4553. 2) Remove the Screen Unit by removing the 16 Screws (401). Screen Unit Speaker L P4553 Speaker R P4553 Fig.
  • Page 91 5. Remove the 2 Screen Plate H and 2 Screen Plate V by removing 30 Screws (401), and remove the Fresnel Lens and the Lenticular Screen. Screen Unit Screen Lenticular Plate H Screen Fresnel Escutcheon Lens Screen Plate V Serial No. Label Screen Screen...
  • Page 92 REMOVAL OF THE MIRROR FROM THE BACK COVER 1. Remove the Screen Unit. Refer to Steps 1~4 in “REMOVAL OF THE SCREEN UNIT AND THE SPEAKER FROM THE DISPLAY.” 2. 1) Remove the 2 Mirror Holder H and the 2 Mirror Holder V Unit by removing the 12 Screws (401). 2) Remove the Mirror from the top by releasing the Back Cover slots.
  • Page 93 REMOVAL OF THE FRONT JACK C.B.A. AND THE OPERATION C.B.A. FROM THE CABINET 1. 1) Remove the Rear Cover by removing the 18 Screws. 2) Disconnect Connector P6305 and release it from the clamper. 2. 1) Remove the Front Cover Unit from the 8 latches. 2) Remove the Screw (454).
  • Page 94 REMOVAL OF THE COVER SWITCH C.B.A. FROM THE CABINET 1. Remove the Projection Unit. Refer to Steps 1~2 in “REMOVAL OF THE PROJECTION UNIT FROM THE CABINET.” 2. 1) Remove the Front Cover Unit from the 8 latches. 2) Remove the Optical Cover by removing the 2 Screws (454). 3) Remove the Screw (401) from the front side.
  • Page 95 INITIAL GUIDELINE The table below shows which adjustments are necessary according to the unit parts and individual parts to be replaced. Make sure to perform these adjustments shown below as necessary. Tuner C.B.A. is included in TV/Tuner Unit Replacement Parts Adjustment Item Tuner1 IC7501...
  • Page 96 TEST EQUIPMENT HOW TO READ THE ADJUSTMENT PROCEDURES To do all of these electrical adjustments, the following equipment is required. Connecting Point Supply NTSC 1. Dual-Trace Oscilloscope (Test Point) of COLOR BAR SIGNAL Voltage Range: 0.001 V to 50 V/Div. Oscilloscope to the Video Adjustment...
  • Page 97 MAIN TUNER VIDEO LEVEL SEPARATION ADJUSTMENT ADJUSTMENT (VR ADJUSTMENT) (VR ADJUSTMENT) Purpose: To separate the L and R Channels of Stereo Signal. Purpose: To set the optimum signal level. Symptom of Misadjustment: The L and R Channels of Stereo Signal will not be separated Symptom of Misadjustment: properly resultin in no stereophonic effect.
  • Page 98 TEST POINTS AND CONTROL LOCATION Tuner C.B.A. SEPARATION R7514 TP7001 TP7501 R7011 MAIN TUNER VIDEO LEVEL (Component Side) Test Point Information Test Point with a Test Pin. Test Point with a jumper wire across a hole in the P.C.B. Test Point with no Test Pin. Test Point with a Hook.
  • Page 99 MAIN PARTS LOCATION <Front View> Network C.B.A. TEMP LED LAMP LED Lamp Cover Cover Switch C.B.A. Network C.B.A. Optical Cover POWER LED Front Cover Unit Operation C.B.A. <Rear View> 20-pin Cable Projection Unit Thermal Fuse Unit Thermistor 2 C.B.A. Fan 3 Thermistor 1 C.B.A.
  • Page 100 ERROR INDICATION INFORMATION Each LED indication facilitates finding the cause of the error. When an error is detected, each LED on the front will light up or flash when the AC Cord is plugged in. The detected error data will not be stored in the EEPROM. This data is cleared when the AC Cord is unplugged. (Note 3) (Note 4) Error No.
  • Page 101 How to solve the problem indicated by the Error Indication of LED Error No. Symptom Problem Possible Solution Lamp turns off. Cooling Fan (Fan1, Fan2 and/or Fan3) malfunction. Replace the Power C.B.A. Still NG, replace the Projection Unit. Still NG, replace the Main C.B.A.
  • Page 102 Note: Lamp turns off or Lamp does not light up Before performing the troubleshooting, confirm that all connector cables in the unit are connected to connectors correctly. POWER LED flashes orange once Replace the Power C.B.A. Still every 5 seconds. Are the Fan1, Fan2 and NG, replace the Projection Unit.
  • Page 103 No picture or abnormal picture ABNORMAL PICTURE: No Color Picture (Black and White picture) Abnormal Color Picture No Synchronization Picture Dark Picture Check that there is no picture or abnormal picture on the screen from all input terminals. (All input are NG.) Does the OSD appear on the Replace the Projection Unit.
  • Page 104 No sound from built-in both L-CH and R-CH Speakers Press "ACTION" button on the Remote Control to display MENU screen, and select "AUDIO" in MENU screen. Check if "SPEAKER" in AUDIO MENU is set to "ON." Select "ON." (All input are NG.) Check that there is an audio signal to the Audio Out Replace the Rear Jack C.B.A.
  • Page 105 OVERALL BLOCK DIAGRAM REAR JACK C.B.A. AUDIO AMP C.B.A. NETWORK C.B.A. (FOR R-CH) P4552 IC3602 IC3601 IC4501 SPEAKER-R P4503 P4553 P3603 P4505 COMPONENT1 Y/PB/PR (WOOFER) COMPONENT SOUND AUDIO IN 1(Y/PB/PR) PROCESSOR P4551 COMPONENT2 Y/PB/PR COMPONENT SPEAKER-R IN 2(Y/PB/PR) (TWEETER) COMPONENT3 Y/PB/PR COMPONENT IN 3(Y/PB/PR) NETWORK C.B.A.
  • Page 106 POWER SUPPLY BLOCK DIAGRAM POWER C.B.A. AUDIO AMP C.B.A. TUNER C.B.A. P6003-11 P7003-11 +33V TP1021 P6003-10 P7003-10 T1001 TP1004 F801 F1001 6.3A 125V/250V L802 L803 L1001 D1002-1005 PR1010 5A 125V/250V P804-1 P1009 P4501-1 +16V AC LINE AC LINE AC LINE FULL-WAVE AC IN REAR JACK C.B.A.
  • Page 107 VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2) REAR JACK C.B.A. MAIN C.B.A. IC3602 (SW) IC5002 (5.6M FIFO MEMORY) IC5005 (MAIN VIDEO SIGNAL PROCESS) JK3601 123-127,140-144 COMPONENT 5.6M FIFO MEMORY 120-122,128,129, 138,139,145-147 COMPONENT -PB1 6-13 2,18,34,47,60,107,119, 132,149,166,181,185, COMPONENT 195,197,208,213,224 +3.45V 153-160 -PR1 TP3603 Y/PB/PR --RGB CONVERTER...
  • Page 108 VIDEO SIGNAL PATH I BLOCK DIAGRAM (2/2) MAIN VIDEO SIGNAL SUB VIDEO SIGNAL VIDEO SIGNAL(MAIN/SUB) CARD Y/PB/PR SIGNAL IC5306 (FPGA) IC5311 (LVDS TRANSMITTER) R DATA (8BIT) R DATA (8BIT) LVDS DATA A(+) 82-84,86-89,93 56-58,61-64,68 2-4,6,7,54-56 P5302-14 MULTI WINDOW P5302-15 LVDS DATA A(-) G DATA (8BIT) D/D CONVERTER G DATA (8BIT)
  • Page 109 VIDEO SIGNAL PATH II BLOCK DIAGRAM (1/2) LCD DRIVE C.B.A. IC2502 (LVDS RECEIVER) IC2505 (COLOR CORRECTION/LCD TIMING GENERATOR) R DATA (8BIT) R DATA (10BIT) LVDS DATA A(+) P2501-14 30,32-35, 160-162, 19,20,24,25, 37-39 164-168 27-30,32,33 LVDS DATA A(-) P2501-15 LVDS DATA B(+) P2501-11 STSQE(R) LVDS SERIAL TO...
  • Page 110 VIDEO SIGNAL PATH II BLOCK DIAGRAM (2/2) VIDEO SIGNAL(MAIN/SUB) +15.3V LCD(R) P2001-36 P2001-35 TP2002 P2001-34 IC2001 (SAMPLING HOLD) P2001-33 P2001-32 P2001-31 2-11 D/A CONVERTER 26,28,30,32,34,36 P2001-(19-30) P2001-18 P2001-17 P2001-16 VCC(A) 18,27,31,35,42 +15.3V SAMPLING HOLD P2001-15 VCC(D) +3.3V P2001-14 P2001-13 P2001-12 P2001-11 P2001-10 Q2012-2017...
  • Page 111 SD/PC CARD SIGNAL PROCESS BLOCK DIAGRAM CARD Y/PB/PR SIGNAL MAIN C.B.A. P9002 IC9004 (SD/PC CARD SIGNAL PROCESS) L9012 VCC(+3.3V) +3.3V SD DATA(0-3) SD DATA(0-3) 160-162,165 SD CARD SD CLOCK SD CLOCK SD WRITE PROTECT(L) CARD Y/PB/PR DATA (8BIT) : 480i SD CARD DETECT(L) 106-110, CARD Y/PB/PR DATA...
  • Page 112 AUDIO SIGNAL PATH BLOCK DIAGRAM AUDIO SIGNAL TUNER C.B.A. REAR JACK C.B.A. AUDIO AMP C.B.A. IC4503 +12V +16V IC7501 REG. U7001 IC3501 (AUDIO/VIDEO SW) (MTS/SAP SIGNAL PROCESS) (MAIN TUNER) TP7501 IC4501 Q7501 RL4501 IC3602 (AUDIO/VIDEO SW) IC3601 (SOUND PROCESSOR) (AUDIO AMP) R-CH MTS/SAP P7002-7...
  • Page 113 SYSTEM CONTROL BLOCK DIAGRAM REAR JACK C.B.A. MAIN C.B.A. TUNER C.B.A. IC6501 (TUNER MICROCONTROLLER) U7001 (MAIN TUNER) IC3601 (SOUND PROCESSOR) DTS REQ(L) TUNER SERIAL CLOCK TUNER SERIAL CLOCK P6003-1 P7003-1 I2C SERIAL CLOCK P3602-11 P3404-11 P6003-2 P7003-2 DTS BUSY(L) TUNER SERIAL DATA TUNER SERIAL DATA I2C SERIAL DATA SERIAL CLOCK...
  • Page 114 OPTICAL BLOCK DIAGRAM SCREEN Blue Light Path Blue Light Path Green Light Path Green Light Path MIRROR Red Light Path Red Light Path PROJECTION UNIT PROJECTION LENS LIGHT IN POLARIZER LIGHT IN BLUE POLARIZER LIGHT IN RED UNIT POLARIZER LCD/PRISM UNIT BLUE UNIT DICHROIC OPTICAL BLOCK UNIT...
  • Page 115 FRONT JACK C.B.A. LSEP3094A NOTE: NETWORK C.B.A. LSEP3097A FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. NOTE: NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT.
  • Page 116 AUDIO AMP C.B.A. LSEP3092A THERMISTOR 1 C.B.A. LSEP3099A1 NOTE: NOTE: NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT. REFER TO BEGINNING OF SCHEMATIC SECTION.
  • Page 117 TUNER C.B.A. LSEP3095A NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. P7003 NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. P7002 SEPARATION PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT. R7514 R7517 C7010...
  • Page 118 1. Important safety notice 3. Parts marked "PT" are not used in any models included Components identified by the sign have special in this service model. characteristics important for safety. When replacing any of these components. Use only the specified parts. C6011 C6011 R6097...