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Panasonic DMP-BD75GA Service Manual Download Page 26

26

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.

P.C.B. Positions

Summary of Contents for DMP-BD75GA

Page 1: ...poration 2011 Unauthorized copying and distribution is a violation of law ORDER NO CHM1104017CE Blu ray Disc Player Model No DMP BD75GA DMP BD75GC DMP BD75GN DMP BD75GT DMP BD75GW DMP BD75PU Vol 1 Colour K Black Type ...

Page 2: ...2 ...

Page 3: ...ode Setting 16 8 Service Fixture Tools 25 9 Disassembly and Assembly Instructions 26 9 1 Unit 26 9 2 BD Drive 28 9 3 Disassembly from the traverse unit assembly of the optical pick up unit and precautions on ESD preventive 32 9 4 Repair Flowchart and Analysis Procedures 36 10 Measurements and Adjustments 38 10 1 Service Positions 38 10 2 Caution for Replacing Parts 40 11 Block Diagram 41 11 1 Over...

Page 4: ...tal does not have a return path to the chassis the reading must be 1 1 2 Leakage current hot check See Figure 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 1 5kΩ 10 watts resistor in parallel with a 0 15μF capacitors between each exposed metallic part on the set and a good earth ground such as a water pipe as shown in Figure 1 3 Use...

Page 5: ...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: ...of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a ...

Page 7: ...7 2 2 Precaution of Laser Diode ...

Page 8: ...s used Definition The letter of PbF is printed on the PCB using the lead free solder To put lead free solder it should be well molten and mixed with the original lead free solder Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC Since the melting point of the lead free solder is higher than that of the normal lead solder it takes the longer time to melt the lead ...

Page 9: ...9 3 Service Navigation 3 1 Service Information ...

Page 10: ...sure to use the supplied remote control 3 3 Entering Special Modes with Combination of Multiple Pressing on the Remote Control Enter the following special modes by multiple pressing functions on the supplied remote control After entering each mode switch to the desired menus for operation 3 3 1 Disclosure mode Combination of multiple pressing OK Blue Yellow Press and hold OK Blue Yellow on the rem...

Page 11: ... 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 is displayed on FL display window ...

Page 12: ...Layer MKV 4 5 6 DivX 4 5 7 DVD R DVD Video format 1 DVD Video Recording format 1 AVCHD format 1 JPEG 2 MP3 2 MKV 2 3 5 6 DivX 2 3 5 7 DVD R DL DVD Video format 1 DVD Video Recording format 1 AVCHD format 1 JPEG 2 MP3 2 MKV 2 3 5 6 DivX 2 3 5 7 DVD RW DVD Video format 1 DVD Video Recording format 1 AVCHD format 1 R Video 1 AVCHD format 1 R DL Video 1 AVCHD format 1 RW Video 1 AVCHD format 1 DVD Vid...

Page 13: ... ROM SL DL SL Single Layer DL Dual Layer compliant Ver 1 3 BD RE SL DL SL Single Layer DL Dual Layer BD MV BD R SL DL SL Single Layer DL Dual Layer BD MV DVD ROM SL DL SL Single Layer DL Dual Layer DVD Video DVD R DVD Video DVD VR DVD R DL DVD Video DVD VR DVD RW DVD Video DVD VR R Video R DL Video RW Video CD CD DA CD Video CD R RW Optical pick up System with 2 lenses Wave length 790 nm CDs 655 n...

Page 14: ...14 5 Location of Controls and Components ...

Page 15: ...ay 2 Repeatedly press on the remote control or POWER on the unit until 06 FTO is displayed on the unit s display 3 Press OK on the remote control or OPEN CLOSE on the unit 6 1 2 When the Forcible Disc Eject can not be done 1 Turn off the power and pull out AC cord 2 Put deck so that bottom can be seen 3 Insert the Paper clips etc into the hole on the bottom of BD Drive and slide the Paper clips et...

Page 16: ...or the passage of the fixed time disappear the display No display U72 display disappears when error has been solved by Power OFF ON of connecting equipment or by inserting removing of HDMI cable U73 HDMI connection error authentication error When authentication error occurs while the equipments TV amplifier etc are connected by HDMI or when there is a problem with the HDMI cable The display disapp...

Page 17: ...c read error A disc is flawed or dirty A poor quality failed to start The track information could not be read Cannot read Please check the disc HARD ERR Drive error The drive detected a hard error BD drive error It is display for 5 seconds The character indication flows sideways SELF CHECK Restoration operation Since the power cord fell out during a power failure or operation it is under restorati...

Page 18: ...torage of BD ROM standard is cleaned When the power is on disc is not in tray press and hold 6 7 and Y on the remote control at the same time for more than 5 seconds 50 RET is displayed on the unit s disply Repeatedly press on the remote control or POWER on the unit until 51 NOP is displayed on the unit s display Press and hold STOP on the remote control until 52 BRE is displayed on the unit s dis...

Page 19: ...T is displayed on FL Press the button to select until 81 AIG is displayed on FL Press the OK button The command is transmitted by attached remote control NOTE1 If the unit has hung up because of pressing keys for over 10 seconds once turn off the power and re exe cute this command When releasing Aging mode press POWER key over 4 seconds Item FL display Key operation Mode name Description Front Key...

Page 20: ... the remote control until 10 OCL is displayed on the unit s display Press OK on the remote con trol or OPEN CLOSE on the unit When press OPEN CLOSE key while the tray being locked Display LOCK for 3 seconds Press OPEN CLOSE key while the tray is being locked Progressive initialization The progressive setting is initialized to Inter lace When the power is on press and hold OK B and Y on the remote ...

Page 21: ...excluding the designated command Item FL display Key operation Mode name Description Remote controller key Release Items Item of Service Mode executing is cancelled Press 0 0 or Return in service mode Error Code Display Last Error Code of U F held by Timer is dis played on FL Details are described in 7 1 1 Self Diagnosis Functions If any error history dose not exist F00 is displayed Press 0 1 in s...

Page 22: ...seconds YY Year MM Month DD Day 3 Last drive error 1 2 is displayed for 5 seconds 00 Bad disc 03 Bad disc 04 Bad disc or drive malfunction 4 Last drive error 2 2 is displayed for five seconds 5 Error occurring disc type is dis played for 5 seconds Press 4 2 in service mode Item FL display Key operation Mode name Description Remote controller key ...

Page 23: ...isplayed for 5 seconds 7 Factor of drive error hexadeci mal occurring is left displayed In case that the maker cannot be identified display is blackout Item FL display Key operation Mode name Description Remote controller key ...

Page 24: ...he unit is deleted Press 9 5 in service mode Delete the Last Drive Error Laser Drive Error information stored on the BD Drive is deleted Press 9 6 in service mode Delete the Error History Error History information stored on the unit is deleted Press 9 7 in service mode Initialization of the Error code Last Error Code information stored by timer is deleted Write in F00 Press 9 8 in service mode Ini...

Page 25: ...B Power P C B 23 Pin 1 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 Same as BD60 Series RFKZ0316 Solder Remover Lead free low temperature Solder 50g Same as BD60 Series RFKZ0328 Flux Same as BD60 Series ...

Page 26: ...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 P C B Positions ...

Page 27: ...Insert the Paper clip etc into the hole on the bottom of BD Drive and slide the Paper clips etc in the direction of the arrow to eject tray slightly 3 Remove the tray top from the tray section 9 1 4 2 Front Panel 1 Unlock 6 tabs A F turn Pull with the Front Panel in the direction of your side 9 1 5 Rear Panel 1 Remove the 3 Screws A and Screw B 2 Unlock 2 locking Tabs A to remove the Rear Panel 9 ...

Page 28: ...emove BD Drive 9 1 8 Digital P C B 1 Remove the 2 Screws A 9 1 9 Power SW P C B 1 Remove the Screw A 9 2 BD Drive 9 2 1 Tray 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 2 Pull the Tray to the direction of arrow until it can be 3 Push the two posts in front of the mecha chassis to both sides of the drive to unlock the tray and...

Page 29: ... sure the tray band is between the two posts of Slide cam when attaching the tray 9 2 2 Pulley Gear Belt 1 Perform the step Tray 2 Push the Post to the direction of arrow by using the slotted screwdriver 3 Remove the Pulley Gear and Belt 9 2 3 Slide Cam 1 Perform the step Pulley Gear Belt 2 Remove the OPU FFC sheet from the mecha chassis ...

Page 30: ...to remove the side post on the mid base 4 Slide the Slid cam in the direction as shown and then take the front post out of the slide cam track 5 Take the damper out of the mecha chassis and remove the Drive ass y 6 Remove the Slide Cam ...

Page 31: ...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: ...0114 to the OPU FFC and weld the short circuit solder a Set the temperature of iron is 350 C b When using the iron head do not apply a force more than 1N to the pad Do not touch any other compo nents around the welding spot c Welding should be applied less than 3 times 2 Remove the connector and take out the OPU FFC 3 Remove the Mid base 4 Press down the handle A of the two springs and remove the ...

Page 33: ... Insert the two springs to the ends of the shaft b Then insert the handle B of the spring into the spring holder as shown in Fig c Press down the handle A of the spring as shown in Fig into the hole 3 Insert FFC and desolder the solder spot a Use the iron head with an angle as shown in Fig remove the solder in the direction as shown b Set the temperature of iron below 350 C c When using the iron h...

Page 34: ...34 d Welding should be applied less than 3 times 4 Apply the lubricants to the 7 points as shown in Figure ...

Page 35: ...35 9 3 3 How to Clean the Lens of Optical Pick UP ...

Page 36: ...36 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: ...P C B 3 Confirmation of pointed symptom 2 Checking symptoms of failed disc in the procedure 1 For this time PASS denotes the Digital P C B is defective FAIL denotes the Optical Pick up or mechanism are defective 4 Replacement of Digital P C B with the original one 5 Pointed symptom 3 Recheck the pointed symptoms to see mechanism part is improved For this time In case of FAIL go back to Replacement...

Page 38: ...38 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: ...39 10 1 2 Checking and Repairing of Digital P C B Module ...

Page 40: ...nd or operation 5 If a problem is caused by a BD Video disc VCD DVD R DVD Video Audio CD or MP3 playback the test disc No abnormality should be seen in the picture sound or operation 6 After checking and making repairs upgrade the firmware to the latest version Make sure that UPD OK appears in the FL displays UNSUPPORT display means the unit is already updated to newest same version Then version u...

Page 41: ...ROLLER MIXL IC54004 MIXR OVERALL BLOCK DIAGRAM KEY LED LASER DIODE MOTOR DRIVE FOCUS COIL BEAM EXPANDER MOTOR DRIVE IC55003 LASER DIODE DRIVE LDD TRACKING COIL TRAVERSE MOTOR SPINDLE MOTOR LOADING MOTOR D A CONVERTER IC51301 P1103 ETHER NET PORT JK59001 NAND FLASH ROM 1GB REMOTE SENSOR V COMPONENT HDMI JK56301 TERMINAL A VOUT IC52201 SDRAM 1GB SDRAM 1GB IC52001 DMP BD75GA GC GN GT GW PU JK56001 ...

Page 42: ...1022 FEED BACK D1110 4 3 IC1102 ERROR VOLTAGE DET P_ON_H FROM TO DIGITAL P C B 19 P58001 P1102 PW_X_SW12 2V 15 16 17 P58001 P1102 PW_X_SW5 9V 22 23 P58001 P1102 PW_3 3V 18 P58001 P1102 HOT COLD POWER P C B POWER BLOCK DIAGRAM D1022 IP1021 1 2 6 7 8 2 1 DMP BD75GA GC GN GT GW PU REG PW_3 3V 7 2 5 3 IC14500 VIN EN SW FB D1111 DC DC CONVERTER REG PW_X_SW12 2V L14302 1 2 3 6 Q14301 5 4 IC14301 VIN CS ...

Page 43: ...a A B C b B C D c C D A d D GND1 LDI_BD LDI_CD GND1 TEMP VCC MON_CD DVD MON_BD SEL_DVD SEL_CD NC NC GND1 GND_BDPD LDI_DVD FCS1 TRK FCS1 TRK FCS2 FCS2 B NC NC NC GND A B A SW GND_PD VCC_ 5PD VREF_PD SWB2 SWB1 RF RF SW3 SA SB F SB SC F SC SD SD SA A B a A B C b B C D c C D A d D GND1 LDI_BD LDI_CD GND1 TEMP VCC MON_CD DVD MON_BD SEL_DVD SEL_CD NC NC GND1 GND_BDPD LDI_DVD FCS1 TRK FCS1 TRK FCS2 FCS2 ...

Page 44: ...115 2 2K BD75GA GC GN GT GW 47K BD75PU 0 BD75PU R1121 100 BD75GA GC GN GT GW IC1102 C0DBZMC00006 1 2 3 4 REF N C C 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 21 22 23 CKAA23 CKAA13 CKAA12 CKAA19 CKAA14 CKAA11 CKAA10 CKAA9 CKAA8 CKAA7 CKAA6 CKAA5 CKAA4 CKAA3 CKAA2 CKAA1 CKAA18 P1102 K1KY23AA0606 TO P58001 DIGITAL P C B L L L L L L L L L L L GND L 1 2 3 ZA1001 K9ZZ00001279 1 2 3 ZA1005 K9ZZ0...

Page 45: ...LED_TXD 2 P LED_CLK 3 P LED_CS P PW_LED5V P KEY2 P KEY1 P KEY3 P PW_XN3 3V P REMOCON P KEY_POWER D7001 B3CBZ0000003 4 5 6 7 8 9 10 11 12 13 14 19 18 17 16 15 24 23 22 21 20 28 27 26 25 R7009 51K C7004 0 1 IC7001 C0HBZ0000108 STOP EVQ11A05R S7003 PLAY OPEN CLOSE_SW EVQ11A05R S7002 EVQ11A05R S7001 C7002 1 3 1 2 IR7001 PNJ4881M02VT G2 G1 R7005 33 KEY_POWER P7004 K1KA03AA0180 TO PJ7551 POWER_SW P C B ...

Page 46: ...46 12 4 Power SW Schematic Diagram F E D 1 C B A 9 8 7 6 5 4 3 2 POWER_SW SECTION SCHEMATIC DIAGRAM DMP BD75GA GC GN GT GW PU GND 2 3 KEY_POWER 1 PJ7551 TO P7004 POWER P C B VEE1J93 EVQ11A05R S7551 ...

Page 47: ...C1102 2 1 3 4 R1112 R1021 R1032 IC1021 C1021 D1021 5 8 4 1 D1022 Q1022 C1018 T1001 6 1 7 12 4 3 1 2 C1022 R1030 BD75PU GA GC GN GW BD75GA GC GN GW PU BD75GT PU C1014 CKAA23 CKAA19 CKAA16 CKAA11 CKAA10 CKAA9 CKAA7 CKAA5 CKAA3 CKAA1 CKAA2 CKAA8 D1112 C1118 C1125 ZA1112 W9 W7 R7009 W14 W6 W15 W21 C14507 C14506 R14502 R14503 R14504 C14501 R14500 R14501 D14500 C14505 L14500 C14502 W22 C14509 IC14500 8 ...

Page 48: ...2 3 4 5 6 7 8 7 3 12 0 3 3 0 0 8 1 3 3 3 2 0 7 3 12 0 3 3 0 0 8 1 3 3 3 2 0 IC14500 IC1102 1 2 3 4 0 0 3 6 2 5 0 0 3 6 2 5 IC7001 IC7001 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 3 0 4 8 0 0 0 0 0 1 6 1 0 0 1 0 1 0 0 9 1 0 0 0 0 1 9 1 9 2 3 0 4 8 0 0 0 0 0 1 6 1 0 0 1 0 1 0 0 9 1 0 0 0 0 1 9 1 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 0 0 5 0 3 3 3 3 3 3 0 5 0 5 0 3 3 3 3 3 3...

Page 49: ...Y GENERATOR FREQUENCY SUB CARRIER FS 384 OVER SAMPLING CLOCK G GND COMMON GROUNDING EARTH H HA0 UP HD0 UP HINT HRXW HOST ADDRESS HOST DATA HOST INTERRUPT HOST READ WRITE INITIAL LOGO ABBREVIATIONS I IECOUT IPFRAG IREF ISEL IEC958FORMATDATAOUTPUT INTERPOLATIONFLAG I CURRENT REFERENCE INTERFACEMODESELECT L LDON LPC LRCK LASERDIODECONTROL LASERPOWERCONTROL LCH RCHDISTINCTIONCLOCK M MA0 UP MCK MCKI MC...

Page 50: ...AGE VIDEO FEED BACK VOLTAGE REFERENCE SOURCE POWER SUPPLY VOLTAGE W WAIT WDCK WEH WSR BUS CYCLE WAIT WORD CLOCK WRITE ENABLE HIGH WORD SELECT RECEIVER X X XALE XAREQ XCDROM XCS XCSYNC XDS XHSYNCO XHINT XI XINT XMW XO XRE XSRMCE XSRMOE XSRMWE XVCS XVDS XVSYNCO X TAL X ADDRESS LATCH ENABLE X AUDIO DATA REQUEST X CD ROM CHIP SELECT X CHIP SELECT X COMPOSITE SYNC X DATA STROBE X HORIZONTAL SYNC OUTPUT...

Page 51: ...oded View and Replacement Parts List 15 1 Exploded Views 15 1 1 Casing Parts Mechanism Section 11 24 45 46 47 2 40 4 3 31 32 33 35 36 34 42 43 44 48 3 1 3 4 3 5 3 2 3 3 13 17 23 18 14 19 21 20 22 1 37 38 39 12 16 ...

Page 52: ...52 15 1 2 Mechanism Section 101 118 102 119 107 115 113 120 116 138 139 140 112 126 127 128 129 104 133 134 135 136 144 144 1 144 2 144 5 144 6 144 3 144 4 137 ...

Page 53: ...53 15 1 3 Packing Accessories Section A6 PC4 PC5 PC3 PC2 A4 1 A4 PC1 A7 PC7 BD75GC BD75PU BD75GT A2 A3 BD75GA GC GN GW GT A16 PC6 A10 BD75PU BD75GA GC GN GW PU BD75GT BD75GC A1 ...

Page 54: ...OR 1 3 4 VJF0036 A SCREW 1 3 5 VJF0036 A SCREW 1 4 VEP70390B POWER SW P C B 1 RTL E S D 11 RGR0414A G1 REAR PANEL 1 BD75PU 11 RGR0414A D1 REAR PANEL 1 BD75GA 11 RGR0414A E1 REAR PANEL 1 BD75GC 11 RGR0414A J1 REAR PANEL 1 BD75GW 11 RGR0414A C1 REAR PANEL 1 BD75GN 11 RGR0414A H1 REAR PANEL 1 BD75GT 12 RGK2250 K TRAY PANEL 1 13 RMA2294 DRIVE SPACER 1 14 RMZ1199 BOTTOM CASE INSULA TION SHEET 1 16 RMZ1...

Page 55: ...G INSTRUC TIONS 1 IA BD75PU A7 VQT3B11 OPERATING INSTRUC TIONS 1 IB BD75GA GC GN GW A7 VQT3B14 OPERATING INSTRUC TIONS 1 IC BD75GT A7 VQT3B12 OPERATING INSTRUC TIONS 1 ID BD75GA A7 VQT3B13 OPERATING INSTRUC TIONS 1 IE BD75GC A10 K2DAYYY00002 POWER PLUG ADAPTOR 1 BD75PU A16 RQLS0405 CHINESE LABEL SHEET 1 BD75GT PACKING PC1 RPG9434 PACKING CASE 1 BD75GA PC1 RPG9435 PACKING CASE 1 BD75GC PC1 RPG9433 ...

Page 56: ...1C104A071 16V 0 1U 1 C1125 F2A1C4710079 16V 470U 1 C1130 F2A1A5610008 10V 560U 1 BD75GA GC GN GW GT C14301 F2A1E2210067 25V 220U 1 BD75PU C14302 F1J1C105A091 16V 1U 1 BD75PU C14303 F1H1C104A071 16V 0 1U 1 BD75PU C14304 F1H1C104A071 16V 0 1U 1 BD75PU C14305 F1H1H181A004 50V 18P 1 BD75PU C14306 F1K1C106A062 16V 10U 1 BD75PU C14307 F1H1H103A748 50V 0 01U 1 BD75PU C14308 F2A1C8210008 16V 820U 1 BD75PU...

Page 57: ...R1121 ERJ3RBD101V 1 16W 100 1 BD75GA GC GN GW GT R1121 ERJ3GEY0R00V 1 10W 0 1 BD75PU R14302 ERJ3GEYJ513V 1 10W 51K 1 BD75PU R14303 D1BDR033A135 1 8W 0 033 1 BD75PU R14304 ERJ3RBD223V 1 16W 22K 1 BD75PU R14305 ERJ3RBD823V 1 16W 82K 1 BD75PU R14306 ERJ3RBD273V 1 16W 27K 1 BD75PU R14500 ERJ3GEYJ103V 1 10W 10K 1 R14501 ERJ6GEYJ680V 1 10W 68 1 R14502 ERJ3RED105V 1 16W 1M 1 R14503 ERJ3RBD393V 1 16W 39K ...

Page 58: ...58 16 Schematic Diagram for printing with A4 size ...

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