Panasonic DMP-BD75GA Service Manual
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Panasonic DMP-BD75GA Service Manual

Blu-ray disc player
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DMP-BD75GA
Model No.
DMP-BD75GC
DMP-BD75GN
DMP-BD75GT
DMP-BD75GW
DMP-BD75PU
Vol. 1
Colour
(K).......................Black Type
©Panasonic Corporation 2011.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.CHM1104017CE
Blu-ray Disc Player

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  • Page 1 ORDER NO.CHM1104017CE Blu-ray Disc Player DMP-BD75GA Model No. DMP-BD75GC DMP-BD75GN DMP-BD75GT DMP-BD75GW DMP-BD75PU Vol. 1 Colour (K).......Black Type ©Panasonic Corporation 2011. Unauthorized copying and distribution is a violation of law.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions----------------------------------------------- 4 9.2. BD Drive---------------------------------------------------- 28 1.1. General guidelines ---------------------------------------- 4 9.3. Disassembly from the traverse unit, assembly 1.2. Caution for fuse replacement--------------------------- 4 of the optical pick-up unit, and precautions on 2 Warning -------------------------------------------------------------- 6 ESD-preventive------------------------------------------- 32 2.1.

  • Page 4: Safety Precautions

    1 Safety Precautions 1.1. General guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 5 1.2.1. Micro Fuse conducting check This unit uses the Micro Fuse. Check the Micro Fuse conducting using the Tester at the check points below.

  • Page 6: Warning

    2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatic Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semi- conductor "chip"...

  • Page 7: Precaution Of Laser Diode

    2.2. Precaution of Laser Diode...

  • Page 8: Service Caution Based On Legal Restrictions

    2.3. Service caution based on legal restrictions 2.3.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation. The normal solder is the alloy of tin (Sn) and lead (Pb).

  • Page 9: Service Navigation

    3 Service Navigation 3.1. Service Information...

  • Page 10: Combination Of Multiple Pressing On The Remote Control

    3.2. Combination of Multiple Pressing on the Remote Control Press multi-buttons (in combination) on the remote control simultaneously for operations, such as initialization or service mode, etc. There are no multiple pressing functions on the previous remote controls, thus, please be sure to use the supplied remote control. 3.3.
  • Page 11 3.3.2. Nondisclosure mode 1 (Combination of multiple pressing: [6] [7] [Yellow]) Press and hold [6] [7] [Yellow] on the remote control simultaneously for 5 sec., then [50 RET] is displayed on FL display window. 3.3.3. Nondisclosure mode 2 (Combination of multiple pressing: [5] [9] [Red]) Press and hold [5] [9] [Red] on the remote control simultaneously for about 5 sec., then "70 RET"...

  • Page 12: Specifications

    4 Specifications BD-RE: Version3 (Single Layer/Dual Layer), JPEG BD-R: Version2 (Single Layer/Dual Layer), MKV(*4, *5, *6), DivX(*4, Power supply: AC220V-240V, 50/60Hz *5, *7 ) (BD75GA/GC/GW) DVD-R: DVD-Video format (*1), DVD AC110V, 60Hz Video Recording format(*1), (BD75GT) AVCHD format(*1), JPEG(*2), AC220V-240V, 50Hz MP3(*2), MKV(*2, *3, *5, *6), (BD75GN) DivX(*2, *3, *5, *7 )
  • Page 13 BD-ROM(SL/DL): compliant Ver.1.3 (SL:Single Layer/DL;Dual Layer) BD-RE(SL/DL): BD-MV (SL:Single Layer/DL;Dual Layer) BD-R(SL/DL): BD-MV (SL:Single Layer/DL;Dual Layer) DVD-ROM(SL/DL): DVD-Video (SL:Single Layer/DL;Dual Layer) DVD-R: DVD-Video DVD-VR DVD-R(DL): DVD-Video DVD-VR DVD-RW: DVD-Video DVD-VR Video +R(DL): Video +RW: Video CD-DA, CD-Video, CD-R/RW Optical pick-up: System with 2 lenses Wave length: 790 nm(CDs) 655 nm(DVDs)

  • Page 14: Location Of Controls And Components

    5 Location of Controls and Components...

  • Page 15: Operating Instructions

    6 Operating Instructions 6.1. Taking out the Disc from BD-Drive Unit when the Disc cannot be ejected by OPEN/CLOSE button 6.1.1. Forcible Disc Eject 1. Turn on the power, press and hold [OK], [B] and [Y] on the remote control at the same time for more than 5 seconds. -"00 RET"...

  • Page 16: Service Mode

    7 Service Mode 7.1. Self-Diagnosis and Special Mode Setting 7.1.1. Self-Diagnosis Functions Self-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis Display” when any error has occurred. U** and F** are stored in memory and held. You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode. Automatic Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.
  • Page 17 Error Code Diagnosis contents Description Monitor Display Automatic FL display Drive hardware error When drive unit error is detected, the event is No display No display saved in memory. HDMI Device Key Communica- This error is displayed when the information No display tion error.
  • Page 18 7.1.2. Special Modes Setting Item FL display Key operation Mode name Description Front Key Rating password The audiovisual level setting password is While the unit is on, press and initialized to Level 8. hold [OK], [B] and [Y] on the remote control at the same time for more than 5 seconds.
  • Page 19 Item FL display Key operation Mode name Description Front Key Aging Perform sequence of modes as * Aging Display following the then mode. Turn the power on. Description shown below continually. Press the [5] [9] and [R] button simultaneously for five seconds, then [70 RET] is displayed on FL.
  • Page 20 Item FL display Key operation Mode name Description Front Key Demonstration Ejection of the disc is prohibited. *When lock the tray. When the power is on, press and lock/unlock The lock setting is effective until unlocking the hold [OK], [B] and [Y] on the remote tray and not released by Main unit control at the same time for more initialization of service mode.
  • Page 21 7.1.3. Service Modes at a glance Information necessary for service can be displayed. Service mode setting: 1. Turn the power on. 2. Press the [5] [9] and [R] button simultaneously for five seconds, then [70 RET] is displayed on FL. 3.
  • Page 22 Item FL display Key operation Mode name Description (Remote controller key) BD drive last error BD drive error code display. 1. Error Number is displayed for 5 Press [4] [2] in service mode. seconds. 2. Time when the error has occurred is display for 5 seconds.
  • Page 23 Item FL display Key operation Mode name Description (Remote controller key) 6. Disc maker ID is displayed for 5 In case that the maker cannot be seconds. identified, display is blackout. 7. Factor of drive error (hexadeci- mal) occurring is left displayed.
  • Page 24 Item FL display Key operation Mode name Description (Remote controller key) 8. When the last error doesn't exist . CEC (H) output The CEC terminal high output of HDMI. Press [5] [5] in service mode. CEC (L) output The CEC terminal low output of HDMI. Press [5] [6] in service mode.

  • Page 25: Service Fixture & Tools

    8 Service Fixture & Tools Part Number Description Compatibility RFKZ0216 Extension Cable ( Digital P.C.B. - Power P.C.B. / 23 Pin) Same as BD60 Series RFKZ03D01KS Lead Free Solder (0.3mm/100g Reel) Same as BD60 Series RFKZ06D01KS Lead Free Solder (0.6mm/100g Reel) Same as BD60 Series RFKZ10D01KS Lead Free Solder (1.0mm/100g Reel))

  • Page 26: Disassembly And Assembly Instructions

    9 Disassembly and Assembly Instructions 9.1. Unit 9.1.1. Disassembly Flow Chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing. To assemble the unit, reverse the steps shown in the chart below. 9.1.2.

  • Page 27: Front Panel

    9.1.3. Top Case 9.1.4.2. Front Panel 1. Remove the 3 Screws (A) . 1. Unlock 6 tabs (A)-(F) turn. Pull with the Front Panel in the 2. Slide Top Case rearward and open the both ends at rear direction of your side. side of the Top Case a little and lift the Top Case in the direction of the arrows.

  • Page 28: Bd Drive

    9.1.7. BD Drive 9.2. BD Drive 1. Remove the OPU FFC, and isolate it with an 9.2.1. Tray ESD prevention bag (RPFC0114) to prevent the laser diode from the ESD damage. Do not touch the OPU FFC 1. Insert the Paper clips, etc. into the hole of the bottom side, and slide it to the direction of arrow until it can be.
  • Page 29 Notes when attaching the tray: 3. Remove the Pulley Gear and Belt. 1. Be sure to leave the OPU at the inner limited posts. 2. Push Slide cam to the left side slightly, and make sure 9.2.3. Slide Cam the tray band is between the two posts of Slide cam 1.
  • Page 30 3. Pull the hooks at both sides to remove the side post on 5. Take the damper out of the mecha chassis and remove the mid base. the Drive ass’ y. 6. Remove the Slide Cam. 4. Slide the Slid cam in the direction as shown, and then take the front post out of the slide cam track.
  • Page 31 9.2.4. Drive Gear and Loading Motor 1. Perform the step “ Slide Cam ”. 2. Remove the Drive Gear. 3. Loosen the hooks, and remove the Loading Motor Unit and the SW P.C.B.

  • Page 32: Disassembly From The Traverse Unit, Assembly Of The Optical Pick-Up Unit, And Precautions On Esd-Preventive

    9.3. Disassembly from the traverse 3. Remove the Mid base. unit, assembly of the optical pick-up unit, and precautions on ESD-preventive 9.3.1. Disassemly 1. Before removing the optical pick-up unit, please apply an ESD prevention bag(RPFC0114) to the OPU FFC, and weld the short-circuit solder.
  • Page 33 9.3.2. Assembly 1. Insert the shaft into the shaft hole of the base, install the OPU to the auxiliary shaft, and then attach the nut piece unit onto the screw stem. 2. Assembly of spring. a. Insert the two springs to the ends of the shaft. b.
  • Page 34 d. Welding should be applied less than 3 times. 4. Apply the lubricants to the 7 points as shown in Figure.
  • Page 35 9.3.3. How to Clean the Lens of Optical Pick-UP...

  • Page 36: Repair Flowchart And Analysis Procedures

    9.4. Repair Flowchart and Analysis Procedures 9.4.1. Repair Flowchart Note: When Digital P.C.B., Drive unit and OPU ass’y are replaced, adjustment value initialization is not required.
  • Page 37 9.4.2. Distinction Analysis 9.4.2.1. Analysis Procedures 1. Confirmation of pointed symptom -1 • Confirm the pointed symptom of BD player occurs again after cleaning the lens. 2. Replacement of Digital P.C.B. with the normal P.C.B. • Replace the failed Digital P.C.B. with the normal P.C.B. 3.

  • Page 38: Measurements And Adjustments

    10 Measurements and Adjustments 10.1. Service Positions Note: For description of the disassembling procedure, see the section 9. 10.1.1. Checking and Repairing of Power P.C.B.
  • Page 39 10.1.2. Checking and Repairing of Digital P.C.B. Module...

  • Page 40: Caution For Replacing Parts

    The Panasonic RAM disc should be recognized. Perform playback for one minute using the RAM disc. No abnormality should be seen in the picture, sound or operation. *Panasonic DVD-RAM disc should be used when recording and playback. Perform playback for one minute using the BD-Video disc.

  • Page 41: Block Diagram

    TRACKING COIL MOTOR DRIVE AV DECODER/ SYSTEM CONTROLLER (JK56301) HDMI TRAVERSE TERMINAL MOTOR (A/VOUT) SPINDLE MOTOR LOADING MOTOR X56501 JK59001 IC52001 ETHER NET PORT SDRAM/1GB IC52201 P1103 SDRAM/1GB USB PORT IC51301 NAND FLASH ROM/1GB REMOTE SENSOR DMP-BD75GA/GC/GN/GT/GW/PU OVERALL BLOCK DIAGRAM...

  • Page 42: Power Supply Block Diagram

    P_ON_H P1102 P58001 IP1021 D1022 FROM/TO DIGITAL P.C.B. D1111 PW_X_SW5.9V P1102 P58001 22,23 D1110 PW_X_SW12.2V P1102 P58001 15,16,17 FB/OLF Q14301 (REG.PW_X_SW12.2V) L14302 Q1022 (FEED BACK) IC14301 (DC-DC CONVERTER) Only for BD75PU IC1102 (ERROR VOLTAGE DET.) COLD DMP-BD75GA/GC/GN/GT/GW/PU POWER BLOCK DIAGRAM...

  • Page 43: Schematic Diagram

    A(B/a/A) NC(GND) NC(GND) POWER_SW P.C.B. P7004 PJ7551 KEY_POWER KEY_POWER FCS1- FCS1- TRK- TRK- BD DRIVE FCS1+ FCS1+ TRK+ TRK+ DIGITAL P.C.B. FCS2- FCS2- FCS2+ FCS2+ P55002 P55003 P55004 LDM+ LDM+ LDM- LDM- OPENSW OPENSW CLOSESW CLOSESW DMP-BD75GA/GC/GN/GT/GW/PU INTERCONNECTION SCHEMATIC DIAGRAM...

  • Page 44: Power Supply Schematic Diagram

    (BD75GT)0.27 C1024 C1114 REMOCON (BD75GA/GC/GN/GW)0.47 R1111 4700P D1021 PW_X_SW3.3V (BD75PU)0.24 R1115 B0BC01700005 2.2K(BD75GA/GC/GN/GT/GW) LED_TXD ZA1005 R1113 47K(BD75PU) K9ZZ00001279 LED_CLK LED_CS STANDBY_LED 1 2 3 PW_LED5V ZA1112 R1121 VSC6221(BD75PU) 100(BD75GA/GC/GN/GT/GW) KEY2 0(BD75PU) KEY3 KEY1 IC1102 C0DBZMC00006 DMP-BD75GA/GC/GN/GT/GW/PU POWER_P SECTION SCHEMATIC DIAGRAM...

  • Page 45: Led Section Schematic Diagram

    R7009 LED_TXD LED_CLK LED_CS IC7001 PW_LED5V C0HBZ0000108 STOP S7003 EVQ11A05R KEY2 OPEN/CLOSE_SW S7001 EVQ11A05R KEY1 PLAY S7002 EVQ11A05R KEY3 IR7001 D7001 PW_XN3.3V PNJ4881M02VT B3CBZ0000003 R7005 REMOCON C7002 TO PJ7551 POWER_SW P.C.B. P7004 K1KA03AA0180 KEY_POWER KEY_POWER DMP-BD75GA/GC/GN/GT/GW/PU LED SECTION SCHEMATIC DIAGRAM...

  • Page 46: Power Sw Schematic Diagram

    12.4. Power SW Schematic Diagram TO P7004 POWER P.C.B. PJ7551 VEE1J93 S7551 EVQ11A05R KEY_POWER DMP-BD75GA/GC/GN/GT/GW/PU POWER_SW SECTION SCHEMATIC DIAGRAM...

  • Page 47: Printed Circuit Board

    IR7001 L1103 C1021 T1001 L1001 S7003 R14304 IC1021 D1021 (BD75GA/GC/GN/GW/GT) S7002 C1018 IC1102 C1022 R1030 Q1022 R1032 C1114 S7001 D1022 R1119 R1113 R1117 ZA1001 R1112 R1116 C1124 DMP-BD75GA/GC/GN/GT/GW/PU POWER P.C.B. (BD75GA/GC/GN/GW: VEP71202C) (BD75GT: VEP71205A) (BD75PU: VEP71202B) POWER SW P.C.B. (VEP70390B)

  • Page 48: Appendix For Schematic Diagram

    14 Appendix for Schematic Diagram 14.1. Voltage and Waveform Chart NOTE: Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.
  • Page 49 14.1.3. Abbreviations INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS A0~UP ADDRESS IECOUT IEC958FORMATDATAOUTPUT ACLK AUDIO CLOCK IPFRAG INTERPOLATIONFLAG AD0~UP ADDRESS BUS IREF I(CURRENT)REFERENCE ADATA AUDIO PES PACKET DATA ISEL INTERFACEMODESELECT ADDRESS LATCH ENABLE LDON LASERDIODECONTROL AMUTE AUDIO MUTE LASERPOWERCONTROL AREQ AUDIO PES PACKET REQUEST LRCK LCH/RCHDISTINCTIONCLOCK AUDIO RF...
  • Page 50 INITIAL/LOGO ABBREVIATIONS TRACKING ERROR TIBAL BALANCE CONTROL BALANCE OUTPUT 1 BALANCE INPUT BALANCE INPUT BALANCE OUTPUT 2 TPSN OP AMP INPUT TPSO OP AMP OUTPUT TPSP OP AMP INVERTED INPUT TRCRS TRACK CROSS SIGNAL TRON TRACKING ON TRSON TRAVERSE SERVO ON INITIAL/LOGO ABBREVIATIONS VBLANK...

  • Page 51: Exploded View And Replacement Parts List

    15 Exploded View and Replacement Parts List 15.1. Exploded Views 15.1.1. Casing Parts & Mechanism Section...
  • Page 52 15.1.2. Mechanism Section 144-4 144-2 144-6 144-3 144-5 144-1...
  • Page 53 15.1.3. Packing & Accessories Section (BD75GA/GC/GN/GW/GT) (BD75GA/GC/GN/GW/PU) (BD75PU) (BD75PU) (BD75GT) A4-1 (BD75GC) (BD75GT) PC7(BD75GC)
  • Page 54 15.1.4. Mechanical Replacement Parts List VJF0036-A SCREW VEP70390B POWER SW P.C.B. (RTL) Notes: E.S.D. *Important safety notice: RGR0414A-G1 REAR PANEL BD75PU RGR0414A-D1 REAR PANEL BD75GA Components identified by mark have special character- RGR0414A-E1 REAR PANEL BD75GC istics important for safety. RGR0414A-J1 REAR PANEL BD75GW...
  • Page 55 144-6 XTN2+4FFJ STEPPING MOTOR SCREW ACCESSORY K2CQ2CA00007 AC CORD BD75PU/ GA/GC/ K2CJ2DA00014 AC CORD BD75GN K2CA2CA00027 AC CORD BD75GT K2CP2CA00001 AC CORD BD75GA K2CZ3YY00005 AC CORD BD75GC K1HA19DA0007 HDMI CABLE BD75PU K2KYYYY00048 AV CORD BD75GA/ GC/GN/ GW/GT N2QAYB000609 REMOTE CONTROL UNIT BD75PU N2QAYB000580 REMOTE CONTROL UNIT BD75GA/...

  • Page 56: Electrical Replacement Parts List

    15.2. Electrical Replacement Parts Safety Ref. Part No. Part Name & Pcs Remarks Description List C14302 F1J1C105A091 16V 1U BD75PU C14303 F1H1C104A071 16V 0.1U BD75PU Notes: C14304 F1H1C104A071 16V 0.1U BD75PU *Important safety notice: C14305 F1H1H181A004 50V 18P BD75PU Components identified by mark have special character- C14306 F1K1C106A062 16V 10U...
  • Page 57 Safety Ref. Part No. Part Name & Pcs Remarks Safety Ref. Part No. Part Name & Pcs Remarks Description Description Q1022 B3PBA0000454 TRANSISTOR E.S.D. VEP70390B POWER SW P.C.B. (RTL) E.S.D. Q14301 B1CHRD000024 TRANSISTOR E.S.D. BD75PU S7551 EVQ11A05R SWITCH(POWER) R1006 D0BF685JA030 1/2 6.8M BD75PU/ GA/GC/ PJ7551...

  • Page 58: Schematic Diagram For Printing With A4 Size

    16 Schematic Diagram for printing with A4 size...

This manual is also suitable for:

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