DVD PLYAER DHC - 2300K SERVICE Manual CONTENTS DVD PLAYER 1. Precautions 2. Reference Information 3. Product Specification 4. Operating Instructions 5. Disassembly and Reassembly 6. Troubleshooting 7. Electrical Part List 8. Block Diagram 9. PCB Diagrams 10. Wiring Diagram...
1. Precautions 1-1 Safety Precautions 1) Before returning an instrument to the customer, and then in the OFF position, measure from a always make a safety check of the entire known earth ground (metal water pipe, conduit, instrument, including, but not limited to, the etc.) to all exposed metal parts of the following items: instrument (antennas, handle brackets, metal...
Safety Precautions (5) within the limits specified, there is the possibility the AC power cord for damage. of a shock hazard, and the instrument must be re-pared and rechecked before it is returned to 5) Components, parts, and/or wiring that appear to the customer.
1-2 Servicing Precautions CAUTION : Before servicing Instruments covered (3) The components used in the unit have a by this service manual and its supplements, read specified flame resistance and dielectric and follow the Safety Precautions section of this strength. manual.
1-3 ESD Precautions Electrostatically Sensitive Devices (ESD) its protective package until immediately before you are ready to install it. (Most replacement ESD Some semiconductor (solid state) devices can be devices are packaged with leads electrically damaged easily by static electricity. shorted together by conductive foam, aluminum Such components...
2. Reference Information 2-1 Component Descriptions 2-1-1 DVD ATAPI LOADER (DSL-710A) * D.C. Power Supply A 4-pin shrouded, keyed male connector is used to provide the D.C. Power. The pin assignment is described below. DC VOLTS +12V Figure-1 D.C. Power Connector * Interface Connector A 39-pin male, unshielded, shrouded, keyed connector are applied.
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Component Descriptions Appendix 2. Key-Components List Items Model No. Maker Location DMDSPC41C Samsung Korea Spindle Motor RSM-2811F Samhongsa Korea RF-300CA-11440 Mabuchi Japan Loading Motor MDN3BL3CSA Matsushita Japan RF-300CA-11440 Mabuchi Japan Sled Motor MDN3BL3CSA Matsushita Japan Laser Pick-up SF-HD3 Sanyo Japan Actuator Drive BA5954FP Rohm...
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Component Descriptions 2-1-2 Fiber Optic Transmitting Module for Digital Audio Eqipments (TOTX178) * Recommended Operating Conditions Item Symbol Min. Typ. Max. Unit Supply Voltage 4.75 5.25 High Level Input Voltage Low Level Input Voltage...
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Component Descriptions 2-1-3 NTSC/PAL Digital Video Encoder (ADV7170)
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Component Descriptions 2-1-4 DVD Processor Chip (Swan-2 ES4318) * Features Single-chip DVD video decoder in a 208-pin PQFP package Supports MPEG-1 system and MPEG-2 program streams Programmable multimedia processor architecture Compatible with Audio CD, Video CD, VCD 3.0, and Super Video CD(SVCD) DVD Navigation 1 Built-in Content Scrambling System(CSS) Audio...
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Component Descriptions Name Number Definition Horizontal synch for screen video HSYNCH# interface, programmable for rising or falling edge, active low. HD[15:0] 141:140, 137:131, 128:122 Host data bus HCS1FX# Host select 1. HCS3FX# Host select 3. HIOCS16# Device 16-bit data transfer. HA[2:0] 158, 155:154 Host address bus.
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Component Descriptions ABSOLUTE Maximum Ratings Power Suppiy Voltage……………………………6.0V Input Current………………………………………15mA Power Dissipatron…………………………………75mW Operating Temperature Range………………….-55~+125°C Storage Tenperature……………………………..-65~+150°C...
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Component Descriptions 2-1-7 8-BIT MTP MICROCONTROLLER (W78LE52) * FEATURES Fully static design 8-bit CMOS microcontroller 256 bytes of on-chip scratchpad RAM 8 KB electrically erasable/programmable MTP-ROM 64 KB program memory address space 64 KB data memory address space Four 8-bit bi-directional ports Three 16-bit timer/counters One full duplex serial port(UART) Watchdog Timer...
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Component Descriptions * PIN DESCRIPTION SYMBOL DESCRIPTIONS EXTERNAL ACCESS ENABLE: This pin forces the processor to execute out of external ROM. It should be kept high to access internal ROM. The ROM address and data will not be presented on the bus if EA pin is high and the program counter is within on-chip ROM area.
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Component Descriptions * BLOCK DIAGRAM * ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL MIN. MAX. UNIT DC Power Supply VDD-VSS -0.3 +7.0 Input Voltage VSS -0.3 VDD +0.3 Operating °C Temperature Storage Temperature +150 °C...
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Component Descriptions 2-1-8 Serial EEPROM, 2K (256 x 8) (AT24C02) * Features • Low-Voltage and Standard-Voltage Operation – 5.0 (V CC = 4.5V to 5.5V) – 2.7 (V CC = 2.7V to 5.5V) – 2.5 (V CC = 2.5V to 5.5V) –...
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Component Descriptions 2-1-9 4-Megabit (512K x 8) FLASH (A29040) * Features • 5.0V±40% for read and write operations • Access time –70max • Current –20 mA typical active read current –30 mA typical program/erase current –1µA typical CMOS Standby • Flexible sector architecture –...
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Component Descriptions Block Diagram * Absolute Maximum Ratings* Ambient Operating Temperature ...... -55°C to +125°C Storage Temperature ........…. -65°C to +150°C VOC Ground .……………………………………..-2.0V to +7.0V Output Voltage…………………………………… -2.0V to +7.0V...
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Component Descriptions 2-1-10 512K X 16 Bit X 2 Banks Synchronous DRAM (A43L0616) Features JEDEC standard 3.3V power supply LVTTL compatible with multiplexed address Dual banks / Pulse RAS MRS cycle with address key programs CAS Latency (2,3) Burst Length (1,2,4,8 & full page) Burst Type (Sequential &...
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Component Descriptions Block Diagram Pin Descriptions Symbol Name Description System Clock Active on the positive going edge to sample all inputs. Disables or Enables device operation by masking or enabling Chip Select all inputs exceptCLK, CKE and L(U)DQM Masks system clock to freeze operation from the next clock cycle.
3. Product Specifications Playback System DVD Video Video CD (1.1, 2.0, 3.0) SVCD and CVD CDDA CD-ROM with MP3 data Television Signal System NTSC/PAL Video Performance Video Out 1 Vpp into 75 ohm Y : 1 Vpp into 75 ohm S-Video Out C : 0.286 Vpp into 75 ohm Component Out...
Product Specifications Connections Coaxial digital out Audio Analog out for 2-channel SCART connector for Component Video SCART connector for External Video X1 (option) Composite Video out S-Video out Optical out Power Supply Power Source AC 90~250V, 50/60Hz Power Consumption < 25 Watt Dimensions (W X H X D) 420 X 84 X 270 (mm ) Net Weight...
4. Operating Instructions 4-1 Basic Connections Connecting to audio equipment Audio equipment TV set S-Video cable (optional) To S-Video input connector Video/audio cable (supplied) To video input connector (yellow) Audio cable (optional) To audio input connector (red, white) Connecting to a monaural TV set Video/audio cable (supplied) To video input connector (yellow) Audio cable (optional)
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Operating Instructions Connecting to a decoder with a Dolby Digital or DTS processing TV set Video/audio cable (supplied) Optical audio cable (optional) Coaxial audio cable (optional) To optical digital audio input To coaxial digital audio input Decoder or Amplifier with Dolby Digital / dts Centre Front...
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Operating Instructions 4-2 Selecting Video MODE Press SETUP button and select VIDEO submenu on SETUP screen. After that, select TV type by pressing DOWN arrow button ( ▼) until desired TV mode is selected. For more information, refer to 7.2 Video on the Instruction Manual.
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Operating Instructions 4-5 Selecting the desired MP3 title Use arrow button and select an MP3 title using the SELECT button then play will start automatically. When you know the title number, enter the MP3 title number using numeric buttons and press the SE- LECT button.
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Operating Instructions 4-8 Slow Viewing When you want to view the disc contents very slowly in forward or reverse direction, you can do that by pressing the FF/SF button ( or the FR/SR button ( ) during pause mode. There are total 3 steps for DVD and VCD.
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Operating Instructions 4-11 Selecting Angle Some DVD discs may contain scenes, which have been shot simul- taneously from a number of different angles. If the loaded disc su- pports multiple angles, you can see indicator on the fluorescent display and the TV screen. In the figure shown right, there are total 9 angles.
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Operating Instructions Remained to be defined...
5. Disassembly and Reassembly 5-1 Cabinet and PCB 5-1-1 Door Tray Removal 1) Supply Power and open Tray ¶. 2) Disassemble the Door Tray · in direction off arrow “A”. 3) Close Tray ¶ and power off. Note : If Tray ¶ doesn’t open, insert a Screw driver ¹ into the Emergency hole ¸ (as shown in detailed drawing) and then turn it in the direction of arrow “B”.
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Disassembly and Reassembly 5-1-2 Top Cabinet Removal 1) Remove 3 Screws ¶ on the back Top Cabinet. 2) Remove 2 Screws ·, ¸ on the left and right side. 3) Lift up the Top Cabinet in direction of arrow. · 2 Screws ¶...
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Disassembly and Reassembly 5-1-4 PCB and Front Ass’y Removal 1) Remove 2 Screws ¶ on the back of the Cabinet. 2) Remove 8 Screws · and disassemble the Main PCB ¹ and SMPS PCB º. 3) Remove 5 Screws ¸ and disassemble the Front Ass’y ». ·...
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Disassembly and Reassembly 5-1-5 Loader Removal 1) Remove 4 Screws ¶ and disassemble the Loader ·. ¶ 4 Screws · Loader Fig 5-5 Loader Removal...
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Disassembly and Reassembly 5-1-6 Front PCB Removal 1) Remove 7 Screws ¶ and disassemble the Front PCB ¸ from the Front Ass’y ·. · Front Ass’y ¸ Front PCB ¶ 7 Screws Fig 5-6 Front PCB Removal...
6. Troubleshooting Trouble Action No power Insert the AC power plug securely into the power outlet. Make sure that the equipment is connected properly. No picture Make sure that the input setting for the TV is Video (AV). No sound Make sure that the equipment is connected properly.