Panasonic PT-56LCX70 Service Manual
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Panasonic PT-56LCX70 Service Manual

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Multi Media Display
PT-56LCX70
PT-61LCX70
PT-50LCX7
PT-56LCX7
PT-61LCX7
PT-50LCX7K
PT-56LCX70-K
PT-61LCX70-K
Vol. 2
© 2007 Panasonic Shikoku Electronics Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MKE0706851CE
Unauthorized
copying
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  • Page 1 ORDER NO. MKE0706851CE Multi Media Display PT-56LCX70 PT-61LCX70 PT-50LCX7 PT-56LCX7 PT-61LCX7 PT-50LCX7K PT-56LCX70-K PT-61LCX70-K Vol. 2 © 2007 Panasonic Shikoku Electronics Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 CONTENTS Page Page 1 Service Navigation 9.1. SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT 1.1. Introduction NOTES 1.2. About Lead Free Solder (PbF) 9.2. MAIN SCHEMATIC DIAGRAMS 2 Service Mode 9.3. VOLTAGE CHART...

  • Page 3: Service Navigation

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 1 Service Navigation 1.1. Introduction This service manual contains technical information which will allow service personnel´s to understand and service this model. Please place orders using the parts list and not the drawing reference numbers.

  • Page 4: Service Mode

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 2 Service Mode INDICATIONS FOR ERROR CONDITIONS Each Indicator facilitates finding the cause of an error. When an error is detected, the Lamp goes off and the indicators on the front flash.
  • Page 5 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN PARTS LOCATION <Front View> Power Switch /Operation P.C.B. Front Jack /Operation P.C.B. POWER LED LAMP LED SD/HDMI P.C.B. Front Cover Unit Front Door <Rear View> OPT/TV Unit RF AMP Front Fan Power Supply P.C.B.
  • Page 6 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 SERVICE ADJUST MODE Service Adjust Mode Enter: In this mode, the following information can be confirmed on the VOLUME DOWN button + RECALL key (3 times) (in power on condition) screen:...
  • Page 7 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 ADJUST 1/4~4/4 Perform the Contrast adjustment by pressing OK key when replacing EEPROM IC (IC8201). (Not used for service) 3 key 3 key 3 key 3 key A D J U S T...
  • Page 8 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 OPTION 1/3~3/3 Confirm the current elapsed “Lamp operation” time in hours, in hexadecimal. (limit: FFFF) Current elapsed "Lamp operation" time eg.) 01F5 501 hour 3 key 3 key O P T I O N...
  • Page 9 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MMD-CHK 1/8~8/8 and internal pattern Perform the Picture Position adjustment by pressing VOL+/- key, and display the internal pattern for LCD-CHK, GC-CHK. 3 key 3 key 3 key 3 key 3 key...
  • Page 10 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 EEPROM IC (IC5504) CAUTION LAMP CAUTION The Lamp Unit becomes very hot during operation. When DO NOT copy any of data of EEPROM IC (IC5504) on the Main replacing the Lamp Unit, wait until it has cooled off (1 hour or P.C.B.

  • Page 11: Troubleshooting Guide

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 3 Troubleshooting Guide 3.1. Troubleshooting Hints for Component Level Repair MAIN PARTS LOCATION <Front View> Power Switch /Operation P.C.B. Front Jack /Operation P.C.B. POWER LED LAMP LED SD/HDMI P.C.B. Front Cover Unit Front Door <Rear View>...
  • Page 12 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 INDICATIONS FOR ERROR CONDITIONS Each Indicator facilitates finding the cause of an error. When an error is detected, the Lamp goes off and the indicators on the front flash. LAMP Indicator...

  • Page 13: Abnormal Voltage (Dtv+9V Line)

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Protection Circuit SOS terminal of IC6004 (TV microcontroller) IC6004 (TV MICROCONTROLLER) IC4501 (AUDIO POWER AMP) AC STOP(L) Q4502 LCD+17V SENS (SOS(L)) SOUND SOS (H) SOUND SOS (L) DTV+9V SENS (SOS(L)) IC1107...

  • Page 14: Abnormal Voltage (Sub+5V Line)

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 [POWER Indicator three blinks] Abnormal voltage (SUB+5V line) detection circuit SUB+5V IC1107 IC6004 (TV MICROCONTROLLER) Normal REG. SUB+5V SENS SOS: 0V on SUB+5V line MAIN P.C.B. [POWER Indicator four blinks] Abnormal voltage (MAIN+3.3V line) detection circuit MAIN+3.3V...
  • Page 15 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 [POWER Indicator nine blinks] Communication error between Peaks (IC8001) and TV microcontroller (IC6004) detection circuit IC6004 (TV MICROCONTROLLER) IC8001 (PEAKS) Normal PANEL STATUS (SOS (L)) PANEL STATUS (SOS (L)) MAIN P.C.B.
  • Page 16 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 [LAMP Indicator eight blinks] LAMP Fan stops detection circuit [LAMP Indicator nine blinks] OPT Fan stops detection circuit [LAMP Indicator ten blinks] Front Fan or Rear Fan stops detection circuit [LAMP Indicator eleven blinks] Rear Fan or Front Fan stops detection circuit [LAMP Indicator twelve blinks] Rear Jack P.C.B.
  • Page 17 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 AC stop detection circuit T801 D802 FULL-WAVE STBY+7V RECTIFIER IC6004 (TV MICROCONTROLLER) Normal Q803-Q805 D811 AC VOLTAGE AC STOP (L) DETECT POWER P.C.B. MAIN P.C.B. Over current detection circuit IC1001 (SWITCHING CONTROL)

  • Page 18: Communication Error Between Peaks (Ic8001) And Tv Microcontroller (Ic6004)

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 How to solve problems indicated by the Error Indication (The symptom of all errors is that the Lamp goes off) Note: Before performing troubleshooting, confirm that all connector cables in the unit are connected correctly.

  • Page 19: Lamp Does Not Light Up

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 How to solve problems indicated by the Error Indication (The symptom of all errors is that the Lamp goes off) Note: Before performing the troubleshooting, confirm that all connector cables in the unit are connected correctly.
  • Page 20 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Note: LAMP DOES NOT LIGHT UP 1. Before performing troubleshooting, confirm that all connector cables are connected properly. 2. When repeating troubleshooting, be sure to Plug in the AC Cord. turn the power off and unplug the AC Cord.
  • Page 21 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 CHECKING THE POWER P.C.B. Disconnect all Power P.C.B. connector cables, then remove Power P.C.B. from the unit. Refer to Power P.C.B. Service Position, Figure 1. Check the following parts on the Power P.C.B. with the tester.
  • Page 22 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Plug in the AC Cord. Check the voltage at the following points. Check the parts (Ref No. 800 series) on the Power P.C.B. and Between Pin 1 and Pin 2 of CN851: approx. +120 V replace any defective parts.
  • Page 23 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Power P.C.B. Service Position AC Cord RL801 RL802 TP805 To AC outlet TP810 TP1001 CN1003 Pin9 of IC1001 jumper wire TP1002 (component side) Figure 1...
  • Page 24 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 CHECKING THE OPT/TV UNIT (MAIN P.C.B.) Take out the OPT/TV Unit without the Connectors CN3502, CN4501, CN5503 and CN8201 connected. Then, remove the Main PCB Shield Case Top. Refer to OPT/TV Unit (Main P.C.B.) Service Position, Figure 2.
  • Page 25 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 OPT/TV Unit (Main P.C.B.) Service Position High voltage generated. No connection No connection No connection OPT/TV Unit Test Points for checking the voltage on the Main P.C.B. TP1109 TP2007 TP1113 TP1111...
  • Page 26 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 LED on the Main P.C.B. for Digital CH - D8801: Sync Lock LED (When Sync of Digital packet (MPEG2) is locked by IC8802, it lights up in RED) - D8802: Error LED (When MPEG data has many errors (Block noise in screen), it flickers in RED.

  • Page 27: Service Fixture & Tools

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 4 Service Fixture & Tools 4.1. Service Fixture and Tools LSEP3112A Relay PCB (LCD Panel) LSUA0042 LCD Panel Flat Extension Cable Relay P.C.B. (LSEP3112A) LCD Panel Flat Extension Cable (LSUA0042) Note: 1) 3 of each are required for servicing.
  • Page 28 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 RS232C Connecting tool LSUA0043 RS232C I/F Tool (For 2002 models (PT-40/45LC12)) Connect D-Sub 9 Pin Serial (RS232C) Cable to RS232C I/F Tool Note: RS232C Connecting tool which was included in the 2002 model...

  • Page 29: Service Position

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 4.2. Service Position MAIN P.C.B. CHECK (1) It is possible to check the component side of the Main P.C.B. The following original parts are not installed: Rear Jack Holder Top Duct Unit (Note 1) Main PCB Shield Case Top Main P.C.B.
  • Page 30 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. CHECK (2) It is possible to check the foil side of the Main P.C.B./Drive P.C.B. The following original parts are not installed: Rear Jack Holder Top Duct Unit (Note 1) Main PCB Shield Case Top For more details, See Fig.
  • Page 31 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. CHECK (3) It is possible to check the component side of the Main P.C.B./Drive P.C.B. Note: Connections are the same as Fig. S2-2. For more details, See Fig. S2-1, S2-2...
  • Page 32 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. CHECK (4) It is possible to perform the Polarizer adjustment. Note: Connections are the same as Fig. S2-3. The following original parts are not installed: Rear Jack Holder Top Duct Unit (Note 1) Main PCB Shield Case Top For more details, See Fig.
  • Page 33 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Note for Service Position: 1. The optical parts will be exposed to the dust in the air when the Top Duct Unit is removed. It is strongly recommend that it should be done in a clean room.
  • Page 34 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 POWER P.C.B. CHECK It is possible to check the Power P.C.B. only with no load. Power P.C.B. Service Position AC Cord RL801 RL802 TP805 To AC outlet TP810 TP1001 CN1003 Pin9 of IC1001...
  • Page 35 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Detailed View for Service Position Note: Take care not to apply excessive pressure to the LCD Panel FPC when servicing. Relay PCB Relay PCB LCD Panel FPC LCD Panel Flat LCD Panel Flat...
  • Page 36 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Detailed View for Service Position LCD Panel Flat Extension Cables (LSUA0042) CN2001 CN2003 7 Pin Extension Cable (LSUA0063) CN2002 (from Lamp) CN6005 Thermal Fuse Defeat Cable (LSUA0065) CN1102 (From Rear Fan) (From Front Fan)

  • Page 37: Replacement Procedures For Csp (Chip Size Package) Ic

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 4.3. Replacement Procedures for CSP (Chip Size Package) IC IC Location Make sure to install IC in the correct position on the P.C.B. as shown. Main P.C.B. IC2501 Pin 1 Index...
  • Page 38 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 - IC8001 (CSP IC) on the Main P.C.B. <Bottom View> TEMPERATURE PROFILE FOR HEAT RESISTANCE OF THIS IC 10+/-3 sec. 150 ~ 170 C 220 C 20 ~ 50 sec. 60 ~ 120 sec.

  • Page 39: Disassembly And Assembly Instructions

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 5 Disassembly and Assembly Instructions 5.1. Optical Section DISASSEMBLY METHOD FOR OPTICAL UNIT When reassembling, perform the steps in reverse order. Bend, route and dress the wires as they were originally.
  • Page 40 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 4. Disconnect Connectors CN2001, CN2002, CN2003 (LCD Flexible Flat Cable). 5. Remove the Main P.C.B. by removing the 5 screws. CN2003 CN2001 Main P.C.B. CN2002 Fig. P1-2 6. Remove the Main PCB Shield Case Bottom by removing the screws.
  • Page 41 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 REMOVAL OF THE POLARIZER UNITS 1. Remove the Main PCB and the Main PCB Shield Case Bottom. Refer to Steps 1~5 in "REMOVAL OF THE MAIN P.C.B. FROM THE OPT/TV UNIT."...
  • Page 42 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 REMOVAL OF THE OPTICAL BLOCK UNIT (Projection Lens Unit and LCD/Prism Unit) 1. Remove the Main PCB Shield Case Top. Refer to Steps 1~3 in "REMOVAL OF THE MAIN P.C.B. FROM THE OPT/TV UNIT."...
  • Page 43 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 REMOVAL OF THE FAN CASE UNIT (OPT FAN), THE P/S CONVERTER, THE INTEGRATOR 1 AND THE INTEGRATOR 2 1. Remove the Lamp Ass’y. Refer to Step d in "HOW TO REPLACE THE LAMP UNIT" in the service manual (Vol.1).
  • Page 44 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 6. Remove the Integrator Block Ass’y by removing the 4 screws. 7. 1) Remove the three Integrator 1 Springs by removing the 3 screws. 2) Remove the Integrator 1 from the Integrator Holder Unit.
  • Page 45 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 View A View B Integrator Holder Unit PS Springs Integrator 1 Springs P/S Converter Tabs of PS Holder Integrator 1 Spring See Reassembly Note 1 Reassembly Note 2: Move into the position so that it is touching the 4 portions.

  • Page 46: Measurements And Adjustments

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 6 Measurements and Adjustments 6.1. Adjustment Procedures 2 TEST EQUIPMENT To do all of these electrical adjustments, the following equipment is required. 1. Video Pattern Generator (480i/1080p) 2. Plastic Tip Driver and Non-Metal Driver 3.
  • Page 47 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 INPUT TERMINAL INFORMATION CONTRAST ADJUSTMENT (Automatic Adjustment) PC Input Terminal Video Input 1 Terminal Note: When replacing the EEPROM IC (IC8201), perform this adjustment. 1. Enter the Service Adjust Mode. Then, press 1 key once on the remote to enter ADJUST 1/4 screen.
  • Page 48 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 SET UP for VCOM Adjustment: 1. 1) Remove the Rear Cover Unit. 2) Disconnect Connector CN6005 on the Main P.C.B. 3) Connect Connector CN6005 and PC (1) with the 8 Pin Extension Cable, the 7 Pin Extension Cable, the Relay PCB, the RS232C I/F Tool, the D-Sub 9 Pin Serial (RS232C) Cable.
  • Page 49 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 VCOM ADJUSTMENT PROCEDURES: 1. Supply 70% Red Horizontal signal. 2. Select "VCOM RED ADJUSTMENT" in menu. Purpose: 3. Adjust "VCOM RED ADJUSTMENT" by pressing 4( To set the optimum LCD common voltage.
  • Page 50 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 WHITE BALANCE ADJUSTMENT 1. Adjust R-CUT and B-CUT by pressing VOL+ or VOL - key so that the area around (A) becomes pure gray with no red or blue tint. Note: 1.
  • Page 51 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 (HD signal) 13. Set COLOR TEMP to COOL by pressing 7 key. 14. Copy the NORMAL values which were adjusted in steps Note: 11, 12. This method is for use with PC which has a 720p video...
  • Page 52 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 POLARIZER ADJUSTMENT POLARIZER GREEN ADJUSTMENT 1. Loosen a Screw (A) of the Polarizer Green Unit. (Mechanical Adjustment) 2. Move the Polarizer Green Unit to the right and left so that there is no green tint on the whole screen, and then Purpose: ·...

  • Page 53: Maintenance

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 7 Maintenance 7.1. Cleaning Methods THE LCD PANEL OF THE OPTICAL BLOCK UNIT 1) Clean the surface of the LCD Panel of the LCD/Prism Unit with an air blower or wipe with a clean, or soft blush lightly.
  • Page 54 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7...

  • Page 55: Block Diagrams

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 8 Block Diagrams POWER SUPPLY BLOCK DIAGRAM POWER P.C.B. MAIN P.C.B. RUSH CURRENT IC2007 PROTECTOR (+15.5V REGULATOR) F801 TP2007 TP2008 L802 L1001 D1001 8A 125V R1026 C1002 CN804-1 AC LINE AC LINE FULL-WAVE +15.5V REG.
  • Page 56 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 VIDEO SIGNAL PATH I BLOCK DIAGRAM VIDEO SIGNAL AUDIO SIGNAL REAR JACK P.C.B. MAIN P.C.B. JK3503 VIDEO OUT CN3501-18 CN3001-18 IC8001 (PEAKS) IC3001 (VIDEO SW) JK3504 COMPONENT CN3501-10 CN3001-10 (S-VIDEO IN)
  • Page 57 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 VIDEO SIGNAL PATH II BLOCK DIAGRAM VIDEO SIGNAL AUDIO SIGNAL MAIN P.C.B. IC5501 (EEPROM) IC5510 (HDMI INTERFACE/AD CONVERTER) IC5504 (EEPROM) MAIN+5V I2C SERIAL CLOCK I2C SERIAL CLOCK I2C SERIAL CLOCK I2C SERIAL DATA I2C SERIAL DATA MAIN+3.3V...
  • Page 58 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 VIDEO SIGNAL PATH III BLOCK DIAGRAM VIDEO SIGNAL MAIN P.C.B. LCD/PRISM UNIT LCD(R) +15.5V IC2501 (LCD VIDEO PROCESS) TP2001 CN2001-1 CN2001-2 R2611, R2612, CN2001-3 TP2004 R2617, R2618 CN2001-(4-15) L2632-L2651 IC2001 (SAMPLING HOLD)
  • Page 59 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 AUDIO SIGNAL PATH BLOCK DIAGRAM AUDIO SIGNAL TUNER P.C.B. MAIN P.C.B. REAR JACK P.C.B. MAIN P.C.B. TU8970 (TUNER UNIT) IC4001 IC4501 SPEAKER (AUDIO DSP) (AUDIO POWER AMP) AUDIO(R) CN8970-5 CN8801-5 CN3001-22...
  • Page 60 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 SYSTEM CONTROL BLOCK DIAGRAM MAIN P.C.B. IC5510 (HDMI INTERFACE/AD CONVERTER) IC8001 (MAIN MICROCONTROLLER) IC8201 (EEPROM) IC6004 (TV MICROCONTROLLER) IC2501 (LCD VIDEO PROCESS) I2C SERIAL CLOCK1 I2C SERIAL CLOCK1 I2C SERIAL CLOCK3 I2C SERIAL CLOCK3 SUB+3.3V...

  • Page 61: Schematic Diagrams

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 9 Schematic Diagrams 9.1. SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT NOTES 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.

  • Page 62: Main Schematic Diagrams

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 9.2. MAIN SCHEMATIC DIAGRAMS MAIN I SCHEMATIC DIAGRAM VIDEO SIGNAL AUDIO SIGNAL LOSD OUT(Not used) DIGITAL VIDEO(FOR LCD DRIVE) FOR ADV7493 CPU BUS I/F(Flash-ROM/SUPPORT CARD) POD,CI I/F(Not used) DDR2 I/F R8084 0...
  • Page 63 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN II SCHEMATIC DIAGRAM VIDEO SIGNAL 1.8V_DDRI/F TO M I SUB3.3V DDR2 #0 IC8202 C3ABSG000039 (SDRAM) C8209 TO M I CH0DM0 IC8202 0.1u[KB] IC8202 IC8202 TO M I CH0DM1 IC8202 IC8202...
  • Page 64 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN III SCHEMATIC DIAGRAM SUB3.3V SUB3.3V SUB5V R8519 R8520 EXB38V473JV EXB38V473JV AA_EA0 TO M I AA_EA1 R8426 TO M I EXB38V560JV AA_EA2 TO M I AA_EA3 TO M I AA_EA4 TO M I...
  • Page 65 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN IV SCHEMATIC DIAGRAM CN1101 TO POWER P.C.B. CN1003 SOUN+18V SOUN+18V L1108 J0JHC0000031 C1156 0.1u[KB] AMP_GND SUB5V AMP_GND STBY_+7V L1110 J0JHC0000031 C1159 IC1107 0.1u[KB] AC_STOP L1114 J0JBC0000014 C1158 C0DBEYY00022 TP1122 TP1123 (+5V REGULATOR) 0.1u[KB]...
  • Page 66 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN V SCHEMATIC DIAGRAM VIDEO SIGNAL AUDIO SIGNAL JS4001 0 R4041 JS4002 0 R4040 JS4502 JS4503 JS4504 L4004 JS4505 TO M IV, M VI AG_DTV_+1.5V_ON 263 G1C101KA0055 100u JS4506 R4035 IC4002 C0CBCBD00048 >>...
  • Page 67 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VI SCHEMATIC DIAGRAM MAIN3.3V MAIN3.3V SUB5V DTV9V SUB3.3V STB5V MAIN5V UNREG_+17V STB3.3V C6013 0.22u[KB] R6077 R6079 C6014 TP6008 SW-RST 0.1u[KB] STB_RST D6005 B0JCCE000008 R6073 C6031 TP6012 IC6003 0.1u[KB] R6076 IC6002...
  • Page 68 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VI SCHEMATIC DIAGRAM C6013 0.22u[KB] R6077 R6079 C6014 TP6008 SW-RST 0.1u[KB] STB_RST D6005 R6073 B0JCCE000008 IC6003 R6076 IC6002 C0EBY0000341 R6071 R6072 R6075 C0EBY0000341 470k 470k (RESET) (RESET) R6074 560 D6004...
  • Page 69 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VI SCHEMATIC DIAGRAM MAIN3.3V MAIN3.3V SUB5V DTV9V SUB3.3V STB5V MAIN5V UNREG_+17V STB3.3V C6013 0.22u[KB] R6077 R6079 C6014 TP6008 0.1u[KB] STB_RST R6073 0008 C6031 TP6012 0.1u[KB] IC6003 IC6002 C0EBY0000341 R6071 R6072...
  • Page 70 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VI SCHEMATIC DIAGRAM TO M IV, M V AG_TV_SUB_ON TRCST R6089 100 TRCST TRCST NTEST TO M IV, M V AG_DTV_1.5V_ON 101 TRCD0 SCL0CK CONFIG_ TO M IV, M XI...
  • Page 71 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VI SCHEMATIC DIAGRAM 100 TRCST NTEST AD_SCL3 TO M II, M III 101 TRCD0 SCL0CK CONFIG_DONE R6124 AD_SDA3 TO M II, M III 102 TRCD1 SDATA R6125 103 TRCD2 VIDEO_STATUS...
  • Page 72 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VII SCHEMATIC DIAGRAM ADV/HDMI AUDIO SIGNAL VIDEO SIGNAL TP5040 TP5041 SUB5V SUB3.3V MAIN3.3V DTV9V TP5048 TP5049 MAIN5V TP5042 TP5043 TP5046 TP5047 TP5044 IC5509 TP5045 C0CBCAD00082 (+1.8V REGULATOR) L5518 C5618 J0JHC0000078 0.01u[KB]...
  • Page 73 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VII SCHEMATIC DIAGRAM TP5040 TP5041 TP5048 TP5049 TP5042 TP5043 TP5046 TP5047 TP5044 TP5045 L5518 J0JHC0000078 C5607 IC5508 R5664 6.3V JS5501 C0CBCAD00015 L5516 (+1.8V REGULATOR) R5661 100 J0JHC0000078 JS5502 C562 TP5061...
  • Page 74 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VII SCHEMATIC DIAGRAM VIDEO SIGNAL AUDIO SIGNAL TP5040 TP5041 SUB5V SUB3.3V MAIN3.3V DTV9V MAIN5V TP5042 TP5043 TP5046 IC5509 TP5047 TP5044 C0CBCAD00082 (+1.8V REGULATOR) TP5045 L5518 C5618 J0JHC0000078 0.01u[KB] Vout C5609...
  • Page 75 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VII SCHEMATIC DIAGRAM Q5517 C5544 2SA207700L C_ANA 0.1u[KB] AGND R5518 3.9 (BUFFER) C5539 AVDD R5519 3.9 REFOUT R5611 1.37k C5572 0.1u[KB] R5520 3.9 AGND R5521 3.9 C5559 C5564 AVDD 0.1u[KB] 0.01u[KB]...
  • Page 76 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VII SCHEMATIC DIAGRAM Q5517 C5544 L5027 68ohm VI1P19 2SA207700L C_ANA 0.1u[KB] AGND VI1P19 YIN9 TO M I L5028 68ohm (BUFFER) R5650 C5539 AVDD L5029 68ohm R5651 REFOUT HDMI_INT2 HDMI_INT2 TO M V DVDD R5611 1.37k...
  • Page 77 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VIII SCHEMATIC DIAGRAM Front End R8820 TP8807 EXT_TS_OUT AG_RF_AFT1 AG_RF_AFT1 TO M VI FL8806 TP8808 L8826 TNR_L_AUDIO TNR_L_AUDIO TO M IX J0JCC0000100 EXC3BB221H TP8809 L8827 TNR_R_AUDIO TNR_R_AUDIO TO M IX...
  • Page 78 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VIII SCHEMATIC DIAGRAM FRONT_LSI AP_IFAGC_CONT 3.3V 3.30V AP_IFAGC_OUT SUB5V 5.00V L8828 C8841 J0JHC0000045 R8902 Q8804 2SB1218AHL FL8803 (BUFFER) J0MAB0000164 R8824 R8920 0 R8919 PT C8882 0.1u[KB] TO TUNER I2C_LEVEL_SHIFTER P.C.B. CN8970...
  • Page 79 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN VIII SCHEMATIC DIAGRAM R8820 TP8807 EXT_TS_OUT AG_RF_AFT1 AG_RF_AFT1 TO M VI FL8806 TP8808 L8826 TNR_L_AUDIO TNR_L_AUDIO TO M IX J0JCC0000100 EXC3BB221H TP8809 L8827 TNR_R_AUDIO TNR_R_AUDIO TO M IX J0JCC0000100 EXC3BB221H...
  • Page 80 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN IX SCHEMATIC DIAGRAM VIDEO SIGNAL AUDIO SIGNAL 005E1 DTV9V L3002 J0JHC0000078 R3030 R3035 PC_R C3047 C3049 R3036 Q3001 0.1u 2SC584500L (BUFFER) PC_G R3032 CN3002 C3050 PC_IN PC_B FL3001 J0HABB000007 PC_H...
  • Page 81 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN X SCHEMATIC DIAGRAM HSYNC VSYNC HRESETO VRESETO TP2506 TP2502 TP2508 TP2507 TP2503 TP2504 DCLK TP2505 R2624 TO M I VSYNC VIDEO SIGNAL R2625 TO M I HSYNC SUB1.2V R2519 L2601...
  • Page 82 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN X SCHEMATIC DIAGRAM HSYNC VSYNC HRESETO VRESETO TP2506 TP2502 TP2508 TP2507 TP2503 TP2504 DCLK TP2505 R2624 TO M I VSYNC R2625 TO M I HSYNC SUB1.2V R2519 L2601 TO M I...
  • Page 83 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN X SCHEMATIC DIAGRAM VIDEO SIGNAL L2632 J0JYC0000049 R2554 R1OUT9 TO M XI L2633 J0JYC0000049 R2553 R1OUT8 TO M XI R2555 EXB38VR000V L2634 J0JYC0000049 R1OUT7 TO M XI L2635 J0JYC0000049 R1OUT6...
  • Page 84 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN X SCHEMATIC DIAGRAM LVDSGND (BIN2)RD4 R2620 LVDS RA1- R2607 IC2501 R2591 (BIN4)RB5 C1AB00002351 LVDS RA1+ C2556 (SIGNAL PROCESS FOR LCD DRIVE) 0.1u[ZF] (GIN9)RB4 L2523 R2588 IC2501 HSYNC IC2501 HPLL IC2501...
  • Page 85 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN X SCHEMATIC DIAGRAM R2546 DIRX_R TO M XI IC2501 VDDP IC2501 TEST7 IC2501 VSEL IC2501 R1OUT7 IC2501 R1OUT4 IC2501 R1OUT1 IC2501 R2OUT8 IC2501 R2OUT5 IC2501 R2OUT2 IC2501 SHCLKR IC2501 STSQOR...
  • Page 86 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN XI SCHEMATIC DIAGRAM VIDEO SIGNAL SD_SCK6150 Directions L2005 L2003 L2001 J0JCC0000077 J0JCC0000077 J0JCC0000077 L2006 C2108 J0JCC0000077 L2004 L2002 1608 0.1u[ZF] R2001 J0JCC0000077 J0JCC0000077 C2099 10u 10V R2027 C2033 C2022 10u 10V...
  • Page 87 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN XI SCHEMATIC DIAGRAM SD_SCK6150 Directions L2005 L2003 J0JCC0000077 J0JCC0000077 L2006 L2004 J0JCC0000077 R2001 J0JCC0000077 R2027 C2099 10u 10V C2033 2012 2012 C2011 0.1u[ZF] C2042 0.1u[ZF] C2083 0.1u[ZF] C2038 0.1u[ZF] TEST...
  • Page 88 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN XI SCHEMATIC DIAGRAM VIDEO SIGNAL Directions L2003 L2001 J0JCC0000077 J0JCC0000077 C2108 L2004 L2002 0.1u[ZF] 1608 R2001 J0JCC0000077 J0JCC0000077 R2027 10u 10V C2033 C2022 2012 2012 R2136 C2011 0.1u[ZF] C2020 0.1u[ZF] 0.68...
  • Page 89 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN XI SCHEMATIC DIAGRAM [105] [105] C2100 C2081 J0JCC0000077 J0JCC0000077 L2012 L2010 J0JCC0000077 J0JCC0000077 L2013 L2011 R2113 R2045 R2124 R2090 SCLK SCLK R2044 SDATA HVDD C2096 0.1u[ZF] SDATA HVDD C2074 0.1u[ZF]...
  • Page 90 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN XI SCHEMATIC DIAGRAM R2138 7.5k IC2007 C0DBEKG00004 (+15.5V REGULATOR) C2110 TP2007 [105] D0YBR0000025 [105] [105] C2081 C2065 J0JCC0000077 J0JCC0000077 L2010 L2008 J0JCC0000077 J0JCC0000077 L2011 L2009 R2090 R2068 SCLK R2041 HVDD C2074 0.1u[ZF]...

  • Page 91: Voltage Chart

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 9.3. VOLTAGE CHART NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. MAIN P.C.B. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 92 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 93 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 94 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. POWER P.C.B. SD/HDMI P.C.B. REAR JACK P.C.B. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 95 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. TUNER P.C.B. FRONT JACK P.C.B. POWER SWITCH P.C.B. PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO.
  • Page 96 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7...

  • Page 97: Printed Circuit Board

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 10 Printed Circuit Board 10.1. MAIN P.C.B. NOTE: MULTILAYER P.C.B. MAIN P.C.B. LSEP3227A THIS P.C.B. IS Multi-Layer P.C.B. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN FOR COMPONENT SIDE AND FOIL SIDE. LAYOUT PATETRNS ARE SINGLE PATTERN FOR EACH (COMPONENT SIDE) SIDE THAT MAKE EASY TO SIGHT THE COMPONENT LAYOUT.
  • Page 98 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. LSEP3227A (COMPONENT SIDE) D4001 CN3002 CN5500 JK3101 CN3001 HDMI IN PC AUDIO IN OPTICAL AUDIO OUT PC IN C5508 D5519 D5510 D5506 TP3008 D5522 TP3013 D5514 D5509 R3003 CN1101...
  • Page 99 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. LSEP3227A (COMPONENT SIDE) D4001 CN3002 CN5500 CN5501 JK3101 L5502 R5546 HDMI IN 2 HDMI IN 1 PC AUDIO IN Q5504 Q5505 R5544 OPTICAL AUDIO OUT TP5015 TP5021 R5006 C5509...
  • Page 100 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. LSEP3227A (COMPONENT SIDE) C1102 R4502 C9507 R1114 R1119 R4008 R1111 L4005 C4502 IC4501 IC1101 IC1102 C1103 C1104 R4009 C1166 C9517 C1163 C1165 R1123 CN6003 IC9501 C1164 L4502 C4017 C4030...
  • Page 101 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. LSEP3227A (COMPONENT SIDE) R4502 C5020 C5543 TP5044 L4005 R4008 R5609 C4502 L5515 IC4501 R5053 R4009 R5628 R5615 Q5001 R8477 C5019 C5607 C4017 C4030 L4502 R8420 IC5509 TP5042 R8473 C5566...
  • Page 102 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 NOTE: MULTILAYER P.C.B. MAIN P.C.B. LSEP3227A THIS P.C.B. IS Multi-Layer P.C.B. THIS CIRCUIT BOARD SHOWS COMPONENT LAYOUT-PATTERN FOR COMPONENT SIDE AND FOIL SIDE. LAYOUT PATETRNS ARE SINGLE PATTERN FOR EACH (FOIL SIDE) SIDE THAT MAKE EASY TO SIGHT THE COMPONENT LAYOUT.
  • Page 103 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. LSEP3227A (FOIL SIDE) L5503 R5547 TP5036 D5517 D5520 D5512 D5518 TP5032 TP5016 TP5018 TP5010 R5009 TP8819 TP8820 TP8818 TP8817 R5551 R5010 TP5012 R5548 TP5014 IC5511 TP5020 IC5512 R5542 Q5501...
  • Page 104 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. LSEP3227A (FOIL SIDE) D5518 TP5012 CN3001 5500 C5502 R5506 C5504 C4060 D3007 R3012 R5524 Q5500 R5502 R5532 D3011 D3012 D3009 D3010 R3068 TP5034 R3060 R5528 C3061 C3062 D3008 TP3025 TP3026...
  • Page 105 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. LSEP3227A (FOIL SIDE) Q4503 R5650 Q4003 C4512 L5027 L5510 R4512 R4013 C5541 R4532 R4027 R4007 L5026 C5545 R4042 L5025 L5024 R5604 C5546 R4046 C4511 R4507 TP5055 L5023 FL8806 TP8405...
  • Page 106 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 MAIN P.C.B. LSEP3227A (FOIL SIDE) Q4503 R9509 TP9501 R9536 CL9513 C9505 Q4003 CL9510 C4512 R1117 R1115 R1112 R9513 L5510 R1120 R9538 R4512 R4013 CL9515 R4532 R4027 R9537 R4007 CL9503 R9521 R9507...

  • Page 107: Appendix Information Of Schematic Diagram

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 11 Appendix Information of Schematic Diagram 11.1. CHECKING POINT TABLE OF THE CSP IC Check Point of IC8001 Name Voltage Check Point WF No. Remarks Name Voltage Check Point WF No.
  • Page 108 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Check Point of IC2501 Name Voltage Check Point WF No. Remarks Name Voltage Check Point WF No. Remarks RIN0 R2618 (RIGHT) FOIL SIDE G1OUT3 L2659 (LEFT) FOIL SIDE RIN1 R2617 (RIGHT)

  • Page 109: Waveform Table

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 11.2. WAVEFORM TABLE 25ms 25µs 10ns WF21 WF43 WF49 10ns 25µs 10ns WF22 WF44 WF50 10ns 25µs 25ns WF23 WF45 WF51 10µs 10ms 25µs WF40 WF46 WF52 5µs 25µs 5µs WF41...

  • Page 110: Exploaded Views

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 12 Exploaded Views 12.1. OPTICAL UNIT SECTION OPTICAL UNIT SECTION...

  • Page 111: Main P.c.b. Unit And Top Duct Unit Section

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 12.2. MAIN P.C.B. UNIT AND TOP DUCT UNIT SECTION MAIN P.C.B. UNIT & TOP DUCT UNIT SECTION...

  • Page 112: Replacement Parts List

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 13 Replacement Parts List BEFORE REPLACING PARTS, READ THE FOLLOWING: ADJUSTMENT" in Adjustment Procedures 2 section. 13.1.3. Electrical Replacement Notes 13.1. REPLACEMENT NOTES 1. Unless otherwise specified; All resistors are in Ω, K = 1,000 Ω, M = 1,000 kΩ.

  • Page 113: Mechanical Replacement Parts List

    PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 13.2. MECHANICAL REPLACEMENT Ref. Part No. Part Name & Description Remarks PARTS LIST XTV3+10JFJ TAPPING SCREW,STEEL XYE3+FJ8FJ SCREW W/WASHER,STEEL LSEP3227A MAIN P.C.B. 2 RTL 13.3. SERVICE FIXTURES AND TOOLS REPLACEMENT PARTS LIST Definition of Parts supplier: 1.
  • Page 114 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC5501 LSSK0112 IC, EEP ROM E.S.D. B1ABCF000112 TRANSISTOR SI NPN CHIP Q4507 IC5503 C1AB00002641 IC, LINEAR...
  • Page 115 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks B1ABCF000020 TRANSISTOR SI NPN CHIP D5519 EZAEG2A50AX OTHER FILTERS Q6018 D5520 EZAEG2A50AX OTHER FILTERS B1ABCF000112...
  • Page 116 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R1160 ERJ3GEYJ303V MGF CHIP1/16W 30K R2103 ERJ3GEYJ220V MGF CHIP 1/16W 22 R1161 ERJ3GEY0R00V MGF CHIP 1/16W 0...
  • Page 117 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2581 EXB38VR000V ARRAY CHIP 0 R3069 ERJ3GEYJ680V MGF CHIP 1/16W 68 R2582 EXB38VR000V ARRAY CHIP 0...
  • Page 118 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R4531 ERJ3GEYJ104V MGF CHIP 1/16W 100K R5546 ERJ3GEYJ103V MGF CHIP 1/16W 10K R4532 ERDS2TJ392 CARBON 1/4W 3.9K...
  • Page 119 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5658 ERJ3GEYJ470V MGF CHIP 1/16W 47 R6134 ERJ3GEYJ333V MGF CHIP 1/16W 33K R5661 ERJ3GEYJ101V MGF CHIP 1/16W 100...
  • Page 120 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R8086 ERJ2GEJ104X MGF CHIP 1/16W 100K R8433 EXB38V560JV ARRAY CHIP 56 R8087 ERJ2GEJ103X MGF CHIP 1/16W 10K...
  • Page 121 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R8862 ERJ3GEY0R00V MGF CHIP 1/16W 0 C1137 F2G1C4710021 ELECTROLYTIC CHIP 16V 470UF R8864 ERJ3GEY0R00V MGF CHIP 1/16W 0...
  • Page 122 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2064 F1H1E104A030 C CHIP 25V 0.1UF C3017 F1H1C104A008 C CHIP 16V 0.1UF C2065 F1J1A106A024 C CHIP 10V 10UF...
  • Page 123 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C4505 F1H1E104A030 C CHIP 25V 0.1UF C5560 F1H1C104A065 C CHIP 16V 0.1UF C4506 ECJ1VB1H333K C CHIP 50V 0.033UF...
  • Page 124 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C6045 F1H1H102A219 C CHIP 50V 1000PF C8218 F1G1A1040006 C CHIP 10V 0.1UF C6048 ECJ1VB1H103K C CHIP 50V 0.01UF...
  • Page 125 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L1102 G1C100MA0234 COIL CHIP 10UH L2641 J0JYC0000049 FILTER FOR EMI / EMC L1103 G1C100ZA0083 COIL CHIP 10UH...
  • Page 126 PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7 Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L4002 J0JHC0000078 EMI FILTER CHIP L5512 J0JCC0000077 EMI FILTER CHIP L4003 J0JCC0000077 EMI FILTER CHIP...

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