DMR-ES20EG / DMR-ES20EP / DMR-ES20EE CONTENTS Page Page 1 Safety precautions 13 Caution after replacing parts 1.1. General guidelines 13.1. After replacing the RAM Drive with new one 2 Prevention of Electrostatic Discharge (ESD) to Electrostatic 13.2. When the unit does not operate normally after replacing Sensitive (ES) Devices the Timer Microprocessor or Main P.C.B.
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 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.
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 2 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 Electrostatic Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistor-sand semiconductor "chip"...
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 3 Precaution of Laser Diode 4 Handling the Lead-free Solder 4.1. About lead free solder (PbF) Distinction of PbF P.C.B.: P.C.B.s (manufactured) using lead free solder will have a PbF stamp on the P.C.B. Caution: ·...
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 6 New Feature 6.1. Quick start function(REC) (Note: Descriptions concerning HDD is applied only to models with HDD.) 1. General A few seconds after tuning on the unit,you can start recording to DVD-RAM,HDD. You can switch the operation of this function (ON/OFF) on the menu screen. .
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 7 Taking out the Disc from RAM-Drive Unit when the Disc cannot be ejected by OPEN/CLOSE button 7.1. Forcible Disc Eject 7.1.1. When the power can be turned off. 1. Turn off the power and press [STOP] [CH UP] keys on the front panel simultaneously for 5 seconds.
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 8 Service Explorer Confirm “RAM-Drive Last Error” in Service Mode Execute Service Mode 1. Press [REC], [CH UP] and [OPEN/CLOSE] simultaneously for 5 seconds when P-off. FL Display: *After finishing display “(7). Factor of Drive Error occurring”, press [0] [2] ~[1] [9] keys of the Remote Controller so that 19 memories can be displayed as maximum.
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE (5) Error occurring Disc type is displayed for 5 seconds. (6) Disc Maker´s ID is displayed for 5 seconds. Example of Disc Maker´s ID: DVD-R Disc FL Display (Disc Maker´s ID) Disc Maker Country Panasonic...
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 9 Self-Diagnosis and Special Mode Setting 9.1. Self-Diagnosis Functions Self-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis Display” when any error has occurred. U**, H** and F** are stored in memory and held.
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Error Code Diagnosis contents Description Monitor Display Automatic FL display PLEASE Unit is in termination process Unit is in termination process now. No display “BYE” is displayed and power will be turned WAIT off. In case “Quick Start” of setup menu is ON, it is displayed in restoration operation for AC off.
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Item FL display Key operation Mode name Description Front Key Aging Contents (Example): Demonstration Ejection of the disc is prohibited. *When lock the tray. When the power is on, press lock/unlock The lock setting is effective until unlocking the...
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 9.3. Service Modes Service mode setting: While the power is off, press REC, CH UP and OPEN / CLOSE simultaneously for five seconds. Item FL display Key operation Mode name Description (Remote controller key) Release Items Item of Service Mode executing is cancelled.
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Item FL display Key operation Mode name Description (Remote controller key) Audio Mute (XTMUTE) Check whether mute is applied normally by Press [2] [1] in service mode. the timer microprocessor. Audio Mute (XDMUTE) Check whether mute is applied normally by Press [2] [2] in service mode.
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Item FL display Key operation Mode name Description (Remote controller key) Turn on all FL/LEDs All segments of FL and all LEDs are turned All segments are turned on. Press [5] [1] in service mode.
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Item FL display Key operation Mode name Description (Remote controller key) P50(H) Output Timer Microprocessor IC7501-83 output High Press [8] [4] in service mode. signal for AV1-pin 10 passing through inverter (approx. 0V DC at AV1-pin 10).
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 10 Assembling and Disassembling 10.1. 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.
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 10.3. Top Case 10.5. Digital P.C.B. 1. Remove the 2 screws (A) and 3 screws (B). 1. Remove FFC and 2 Screws (A). 2. Slide Top Case rearward and open the both ends at rear 2.
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 10.6. DV Jack P.C.B. 10.8. Power P.C.B. 1. Remove 2 Screws (A) to remove SD Card Angle with DV 1. Remove Screw (A). Jack P.C.B. 2. Remove 3 Screws (B) and disconnect Connector (A). 3. Unlock Power P.C.B. from a Flange to remove Power P.C.B.
Perform auto recording and playback for one minute using the RAM No abnormality should be seen in the picture, sound or operation. disc. *Panasonic DVD-RAM disc should be used when recording and playback. If a problem is caused by a VCD, DVD-R, DVD-Video, Audio-CD, or No abnormality should be seen in the picture, sound or operation.
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 15 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.
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 17.2. Analog Video Block Diagram :REC SIGNAL :PB SIGNAL IC3001 (VIDEO PROCESSOR) MAIN P.C.B. JK3903 (SW1) (SW2) 6MHz COMP P9001 P7402 C OUT DM 6MHz BIAS 12MHz COMPONENT VIDEO OUT (SW3) P9001 P7402 Y OUT DM...
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 17.3. Analog Audio Block Diagram :REC SIGNAL :PB SIGNAL JK3001 REAR JACK D4005 Q4006 MIX L OUT2 MUTE LINE OUT FROM XTMUTE QR4002-QR4005 TIMER Q4007 IC7501- Q4004 SECTION MIX R OUT2 MUTE MUTE LINE OUT...
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 18.3. Main Net Section (Main P.C.B. (1/3)) Schematic Diagram (M) TO P1102 POWER P.C.B. TO P9001 P1501 LB1504 DIGITAL P.C.B. J0JKB0000003 (Audio Net Section) P7402 X SW 5.8V < X SW 5.8V > X SW 5.8V...
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE G IIC DATA A G IIC CLK A < X SW 5.8V > M:Main Net Section(Page: G CPS VOUT A C1538 C7406 AV:A/V I/O Section(Page: T:Timer Section(Page: TO PS7801 CONT CONT Tuner P.C.B. PP7401 BIAS...
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 18.4. A/V I/O Section (Main P.C.B. (2/3)) Schematic Diagram (AI) S VIDEO VIDEO AUDIO AUDIO VIDEO AUDIO AUDIO VIDEO AUDIO AUDIO IN L IN R L OUT R OUT AV4 IN L AV4 IN R AV4 IN...
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NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERING. A/V I/O Section(Main P.C.B.(2/3)) THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST, AND MAY BE DMR-ES20EG/EP/EE A/V I/O Section(Main P.C.B.(2/3)) Schematic Diagram(AV) SLIGHTLY DIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. Schematic Diagram(AV)
DMR-ES20EG / DMR-ES20EP / DMR-ES20EE 21 Replacement Parts List Notes: Ref. Part No. Part Name & Remarks Description *Important safety notice: RHD30113 SCREW Components identified mark have special RKM0532-S TOP CASE RFKNVXY1867 RAM DRIVE UNIT (RTL)(SPC) characteristics important for safety.
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C1538 F1H1A105A028 10V 1U C4059 ECQV1H104JL3 50V 0.1U C1539 F1H0J1050012 6.3V 1U C4060 ECJ2VC1H330J 50V 33P C1540 F1H1H1030006 50V 0.01U...
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C7578,7 ECEA0JKA470B 6.3V 47U LB3001- J0JGC0000020 COIL C7581 F1H1H1030006 50V 0.01U LB3005- J0JBC0000011 COIL C7584 F4D55473A013 5.5V 0.047U LB3009-...
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R3054- D0GB750JA002 1/10W 75 R7438- D0GB220JA002 1/10W 22 R3901- D1BB75R0A010 2W 75 R7443 D0GB101JA002 1/10W 100 R7444 ERJ3RED300V 1/16W 30...
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R7642,4 D0GB562JA002 1/10W 5.6K R7309 D0GB103JA002 1/10W 10K R7311 D0GB221JA002 1/10W 220 R7644 D0GB222JA002 1/10W 2.2K R7312,1 D1BB2200A010 2W 22...
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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description W531-35 D0YBR0000002 1/16W 0 IC1701 C0DBAKG00005 W536 ERJ8GEY0R00V 1/4W 0 W537 D0YBR0000002 1/16W 0 IP1601 K5H3022A0013 IC PROTECTOR W538,39 D0YDR0000006...