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SERVICE MANUAL
System
Laser: Semiconductor laser
Signal format system: PAL (NTSC)
Audio characteristics
Frequency response: DVD VIDEO (PCM
48 kHz): 20 Hz to 22 kHz/
CD: 20 Hz to 20 kHz
Harmonic distortion: 0.01 %
Dynamic range: DVD VIDEO: 90 dB/
CD: 90 dB
Wow and flutter: Less than detected value
(±0.001% W PEAK)
Inputs/Outputs
VIDEO (video input/output):
Minijack (1)
Output 1.0 Vp-p/75 ohms
AUDIO (audio input/output)/OPTICAL
OUT (optical output):
Stereo minijack/optical minijack
combined (1)
Output 2.0 Vrms/47 kilohms
Recommended load impedance over
47 kilohms
SPECIFICATIONS
PHONES (headphones) A/B:
Stereo minijack (2)
Liquid Crystal Display
Panel size: 8 inches wide (diagonal)
Driving system: TFT active matrix
Resolution: 800 × 480 (effective pixel rate:
more than 99.99%)
General
Power requirements:
DC 9.5 V (AC Adaptor/Car battery
adaptor)
DC 7.4 V (Battery pack)
Power consumption (DVD VIDEO
Playback):
23 W (when used with a battery pack)
8.5 W (when used without a battery pack,
with a headphone)
Dimensions (approx.):
226.2 × 32.3 × 165.3 mm (width/height/
depth) incl. projecting parts
DVP-FX850
Russian Model
Mass (approx.): 1.045 kg
Operating temperature: 5 °C to 35 °C
Operating humidity: 25 % to 80 %
AC Adaptor: 100-240 V AC, 50/60 Hz
Car Battery Adaptor: 12 V DC
Supplied accessories
• Audio/video cord (mini plug × 2 y phono
plug × 3) (1)
• Mains lead (1)
• AC adaptor (AC-FX150) (1)
• Car battery adaptor (DCC-FX150) (1)
• Battery pack (NP-FX110) (1)
• Remote (with battery) (1)
• Carry case (1)
Desing and specifications are subject to
change without notice.
PORTABLE CD/DVD PLAYER
RMT-D183
AEP Model
UK Model
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Table of Contents
Troubleshooting
Related Manuals for Sony RMT-D183
Summarization of Contents
SPECIFICATIONS
System and Audio Specifications
Technical details on laser, signal format, frequency response, and audio characteristics.
Display, Power, and Accessories
Specifications for the LCD, power requirements, consumption, and supplied accessories.
SAFETY AND PRECAUTIONS
Service Safety Checks
Procedures for ensuring safety after repair, including visual checks and B+ voltage verification.
Laser and Electrical Safety Warnings
Warnings about laser radiation, eye safety, and handling electrical components safely.
Soldering and Material Handling
Guidelines for using unleaded solder and its properties, plus component safety warnings.
GENERAL OPERATION AND FEATURES
General Precautions and Safety
Comprehensive safety advice for operation, placement, power sources, and handling.
Disc and Media Playback
Details on compatible discs, playing audio/image/video files, and basic playback operations.
Player Controls and Connectivity
Instructions for using the remote, LCD panel, and connecting power sources.
Advanced Playback Functions
Explains resume play, menus, sound/subtitle/angle settings, and disc navigation.
DISASSEMBLY PROCEDURES
Component Board Removal
Steps for disassembling main, USB, and driver boards.
Mechanical Component Removal
Procedures for removing the traverse assembly and upper block.
LCD Panel Assembly Disassembly
Instructions for disassembling the LCD panel and driver board assembly.
BLOCK DIAGRAMS
System Block Diagram
Visual overview of the player's internal architecture and component interactions.
SCHEMATIC DIAGRAMS
Frame and Board Schematics
Detailed circuit diagrams for various frames and internal boards.
PRINTED WIRING BOARDS
Circuit Board Locations
Diagram showing the physical placement of the main, driver, and USB boards.
Board Layout Diagrams
Visual representations of the main, driver, and USB board component layouts.
WAVEFORMS AND CIRCUIT VOLTAGE
Signal Waveform Analysis
Graphical representations of key signal waveforms for diagnostic purposes.
Circuit Voltage Chart
Table listing expected voltage readings at various test points for troubleshooting.
IC PIN FUNCTION DESCRIPTION
MT1389HD IC Pinout Details
Comprehensive pin function descriptions for the main processing IC.
Z8F0822 MICOM Pinout Details
Pin function descriptions for the front microcontroller IC.
ELECTRICAL ADJUSTMENT
Video Output Level Adjustment
Procedure to calibrate the video output signal level.
VCOM DC Level Adjustment
Steps to set the VCOM DC level, crucial after component replacement.
TROUBLESHOOTING GUIDES
Electrical Troubleshooting Flowcharts
Step-by-step guides for diagnosing power, audio, and speaker issues.
Video and Disc Playback Troubleshooting
Guides for resolving video output, picture, and disc read errors.
Circuit-Specific Troubleshooting
Troubleshooting steps for MPEG, front circuit, RF/Servo, and LCD issues.
REPAIR PARTS LIST
Exploded Views and Part Identification
Visual guides to disassemble the unit and identify replacement parts.
Electrical Component Parts List
A list of electronic components with their corresponding part numbers.
REVISION HISTORY
Manual Update Log
Records of revisions made to the service manual, including dates and descriptions.
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