Panasonic DMR-E55PL Servise Manual

Panasonic DMR-E55PL Servise Manual Manual pdf 2 page image

Output impedance: 47 kΩOutput LINE (pin jack) x1Reference output: 309mVrmsFS: 2 Vrms (1 kHz, 0 dB)Output impedance: 1 kΩ(Load impedance: 10 kΩNumber of channels Recording: 2 channelsPlayback: 2 channelsOther input/output connectors Digital audio optical outputconnectorOperating temperature range 5°C-40°COperating humidity range 10 %-80 % RH (no condensation)Clock unit Quartz-controlled 12-hiur digitaldisplayn LASER SPECIFICATION (Class I LASER Product)1 Safety precautions 41.1. General guidelines 41.2. Caution for fuse replacement 42 Prevention of Electrostatic Discharge (ESD) to ElectrostaticSensitive (ES) Devices 53 Precaution of Laser Diode 64 How to replace the Lithium Battery 75 Handling the Lead-free Solder 75.1. About lead free solder (PbF) 76 Each Buttons 87 New Features 97.1. Function of Power Circuit (IC1150) 98 Taking out the Disc from RAM-Drive Unit when the Disccannot be ejected by OPEN/CLOSE button 128.1. Forcible Disc Eject 128.2. When the Forcible Disc Eject can not be done. 129 Service Explorer 1310 Self-Diagnosis and Special Mode Setting 1610.1. Self-Diagnosis Functions 1610.2. Special Modes Setting 1710.3. Service Modes 1911 Assembling and Disassembling 2311.1. Disassembly Flow Chart 2311.2. P.C.B. Positions 2311.3. Top Case 2411.4. Digital P.C.B. 2411.5. Front Panel 2411.6. Panel P.C.B. 2511.7. DVD-RAM Drive 25Wave length 795 nm 658 nmLaser power No hazardous radiation is emittedwith the safety protectionPower supply AC 110-240, 50/60 HzPower consumption 25 WDimensions Approx.430 (W) x 79 (H) x 274 (D) mm(excluding protrusions)Mass Approx. 3.3 kgPower consumption in standbymodeapprox. 2.9 WNotes:Mass and dimensions are aproximate.Specifications are subject to change without notice.11.8. Rear Panel 2511.9. Main P.C.B. 2611.10. Power P.C.B. 2612 Service Fixture and Tools 2713 Service Positions 2813.1. Checking and Repairing of Power P.C.B. 2813.2. Checking and Repairing of Main P.C.B. 2913.3. Checking and Repairing of Digital P.C.B. 3013.4. Checking and Repairing of DVD-RAM Drive 3114 Adjustment Procedures 3214.1. After replacing the RAM Drive with new one 3214.2. When the unit does not operate normally after replacingthe Timer Microprocessor with new one 3215 Standard Inspection Specifications after Making Repairs 3216 Voltage and Waveform Chart 3316.1. Power P.C.B. 3316.2. Main P.C.B. 3316.3. Panel P.C.B. 3516.4. P9001 Connector 3516.5. P9001 Waveform 3617 Abbreviations 3718 Block Diagram 3918.1. Digital Block IC Pin Terminal Chart (TC1-18) 5319 Schematic Diagram 5719.1. MAIN (SUB POWER) CIRCUIT (P) 5719.2. MAIN (MAIN NET) CIRCUIT (M) 5919.3. MAIN (VIDEO I/O) CIRCUIT (V) 6119.4. MAIN (AUDIO MAIN) CIRCUIT (A) 6519.5. MAIN (TIMER) CIRCUIT (T) 67CONTENTS Page Page2DMR-E55PL