Table Of Contents - Panasonic DMR-E55PL Servise Manual

DMR-E55PL
Output
Number of channels
Other input/output connectors
Operating temperature range
Operating humidity range
Clock unit
n LASER SPECIFICATION (Class I LASER Product)
CONTENTS
1 Safety precautions
1.1. General guidelines
1.2. Caution for fuse replacement
2 Prevention of Electrostatic Discharge (ESD) to Electrostatic
Sensitive (ES) Devices
3 Precaution of Laser Diode
4 How to replace the Lithium Battery
5 Handling the Lead-free Solder
5.1. About lead free solder (PbF)
6 Each Buttons
7 New Features
7.1. Function of Power Circuit (IC1150)
8 Taking out the Disc from RAM-Drive Unit when the Disc
cannot be ejected by OPEN/CLOSE button
8.1. Forcible Disc Eject
8.2. When the Forcible Disc Eject can not be done.
9 Service Explorer
10 Self-Diagnosis and Special Mode Setting
10.1. Self-Diagnosis Functions
10.2. Special Modes Setting
10.3. Service Modes
11 Assembling and Disassembling
11.1. Disassembly Flow Chart
11.2. P.C.B. Positions
11.3. Top Case
11.4. Digital P.C.B.
11.5. Front Panel
11.6. Panel P.C.B.
11.7. DVD-RAM Drive
Output impedance: 47 kΩ
LINE (pin jack) x1
Reference output: 309mVrms
FS: 2 Vrms (1 kHz, 0 dB)
Output impedance: 1 kΩ
(Load impedance: 10 kΩ
Recording: 2 channels
Playback: 2 channels
Digital audio optical output
connector
5°C-40°C
10 %-80 % RH (no condensation)
Quartz-controlled 12-hiur digital
display
Page
Wave length
Laser power
Power supply
Power consumption
Dimensions
Mass
Power consumption in standby
mode
Notes:
Mass and dimensions are aproximate.
Specifications are subject to change without notice.
4 11.8. Rear Panel
4 11.9. Main P.C.B.
4 11.10. Power P.C.B.
12 Service Fixture and Tools
5 13 Service Positions
6 13.1. Checking and Repairing of Power P.C.B.
7 13.2. Checking and Repairing of Main P.C.B.
7 13.3. Checking and Repairing of Digital P.C.B.
7 13.4. Checking and Repairing of DVD-RAM Drive
8 14 Adjustment Procedures
9 14.1. After replacing the RAM Drive with new one
9 14.2. When the unit does not operate normally after replacing
the Timer Microprocessor with new one
12 15 Standard Inspection Specifications after Making Repairs
12 16 Voltage and Waveform Chart
12 16.1. Power P.C.B.
13 16.2. Main P.C.B.
16 16.3. Panel P.C.B.
16 16.4. P9001 Connector
17 16.5. P9001 Waveform
19 17 Abbreviations
23 18 Block Diagram
23 18.1. Digital Block IC Pin Terminal Chart (TC1-18)
23 19 Schematic Diagram
24 19.1. MAIN (SUB POWER) CIRCUIT (P)
24 19.2. MAIN (MAIN NET) CIRCUIT (M)
24 19.3. MAIN (VIDEO I/O) CIRCUIT (V)
25 19.4. MAIN (AUDIO MAIN) CIRCUIT (A)
25 19.5. MAIN (TIMER) CIRCUIT (T)
2
795 nm 658 nm
No hazardous radiation is emitted
with the safety protection
AC 110-240, 50/60 Hz
25 W
Approx.
430 (W) x 79 (H) x 274 (D) mm
(excluding protrusions)
Approx. 3.3 kg
approx. 2.9 W
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