DVD PLAYER DVD-T6300N SERVICE MANUAL CONTENTS DVD PLAYER Component Descriptions 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 11.
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...
Page 3
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 Fiber Optic Transmitting Module for Digital Audio Equipments (TOTX178) Recommended Operating Conditions Item Symbol Min. Typ. Max. Unit Supply Voltage 4.75 5.25 High Level Input Voltage Low Level Input Voltage *This is an optional output.
Page 7
Component Descriptions 2-1-2 NTSC/PAL Digital Video Encoder (ADV7170)
Page 10
Component Descriptions 2-1-3 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...
Page 19
Component Descriptions 2-1-5 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...
Page 20
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...
Page 21
Component Descriptions Pin Descriptions 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.
Page 22
Component Descriptions 2-1-6 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) –...
Page 23
Component Descriptions 2-1-7 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 –...
Page 24
Component Descriptions Block Diagram Pin Descriptions 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...
Page 25
Component Descriptions 2-1-8 256K X 16DYNAMIC RAM(T224162B) Features Industry-standard x 16 pinouts and timing functions. Single 5V power supply. All device pins are TTL-compatible. 512-cycle refresh in 8ms Refresh modes: /RAS only, /CAS BEFORE /RAS (CBR) and HIDDEN. Extended data-out (EDO) PAGE MODE access cycle. BYTE WRITE and BYTE READ access cycles.
Page 29
Component Descriptions 2-1-10 System Reset Monolithic IC PST91XX Series Features Pin Assignment...
Page 30
Component Descriptions 2-1-11 SP3721A : 6Ax DVD Analog Front End Chip Features Supports AGE and equalizer/filter for CD 3X to 32x and DVD 1x to 6x (with RX=8.2kohm) Low Power operation (350Mw typical @5V) Bi-directional serial port register access Register programmed power management (Sleep mode < 5mW ) Power supply range (4.4 to 5.5 V) Small footprint 64-lead TQFP Package Servo System...
Page 31
Component Descriptions Channel 40 MHz bandwidth Supports individual RF inputs for DVD (Differential or single-ended) and CD (Single ended) Supports internet summing mode for RF signal for DVD and CD respectively Programmable attenuator (min;-24dB, 4-bit resolution) Fast attack/decay mode for rapid AGC recovery Low drift AGC hole circuitry Temperature compensated, exponential control AGC Supports external and internal AGC hold control function...
Page 33
Component Descriptions Pin Description Table Name Number Type Description Input Pins DVDRFP, RF Signal Inputs. Differential RF signal attenuator input pins DVDRFN CORF RF Signal Input. Signal-ended RF signal attenuator input pin AIP, AIN 59,60 AGC Amplifier Inputs. Differential AGC amplifier input pins Analog Inputs for RF Single Buffer.
Page 34
Component Descriptions Pin Description Table (continued) Name Number Type Description Analog Pins: The RF AGC integration capacitor CBYP, is connected BYP and VPA Differential Phase tracking LPF pin. An external capacitance is connected between this pin and the CP pin. Differential Phase tracking LPF pin.
Page 37
Component Descriptions Pin Description Table Name Number Type Description Servo Date Slicer Interface Pins XSRFIN Analog RF signal input XSIPIN Inverting input pin of data slicer XSDSSLV Slice level output pin XSRSLINT Reference current setting pin for analog data slicer Servo DAC Interface Pins XSAWRC Output for enlarge VCO range.
Page 38
Component Descriptions Pin Description Table (continued) Name Number Type Description Servo Control Interface Pins XSDFCT Defect detection signal input XSCSJ Chip selection signal for accessing control registers XSCLK Clock output for accessing control registers XSDATA Registers data input/output pin XSLDC Laser diode on/off control registers XSFGIN Motor Hall sensor input...
Page 39
Component Descriptions Pin Description Table (continued) Name Number Description Type Microcontroller Interface Pins 48,50, XGPIO[3.0] These pins are used as general purpose I/O bus 51,52 XMP1-7 Internal microcontroller programmable I/O port 1.7 XMP1-6 Internal microcontroller programmable I/O port 1.6 XMP1-5 Internal microcontroller programmable I/O port 1.5 XMP1-4 Internal microcontroller programmable I/O port 1.4...
Page 40
Component Descriptions Pin Description Table (continued) Pin Name Pin No. Type Description Host Interface Pins XHCS1J This pin is used to select the command block task file registers XHCS3J This pin is used to select the control block task file registers. XHIORJ Asserted by the host during a host I/O read operation XHIOWJ...
Page 41
Component Descriptions Pin Description Table (continued) Pin Name Pin No Description Power Pins AVDD5 DS Analog Power for Data Slicer part AVDD5 DA Analog Power for DAC part AVDD5 AD Analog Power for ADC part AVDD5 PL Analog Power for Data PLL part 7,55,76 115,146 Power +3.3V for digital core logic and pad...
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 / 75 ohm Y : 1 Vpp / 75 ohm S-Video Out C : 0.286 Vpp / 75 ohm Component Out...
Product Specifications Connections Coaxial digital audio out Audio Analog out for 2-channel Component Video (Y,Pb,Pr) Composite Video out S-Video out Optical audio out X1(option) 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 3.6 Kg...
4. Operating Instructions 4-1 Basic Connections Connecting to audio equipment & TV Connecting to AUDIO SYSTEM TV set Audio equipment Method1: DVD Player + 2CH Streo Amplifer Method2: DVD Player + TV with Audio Input Jack(R.C) Connecting to TV (for VIDEO) Method1: DVD Player + TV with Video input Jack Method2: DVD Player + TV with S-video Jack...
Page 45
Operating Instructions Connecting to a decoder with a Dolby Digital or DTS processing TV set Coaxial audio cable (optional) To coaxial digital audio input Optical audio cable (optional) To optical digital audio input Decoder or Amplifier with Dolby Digital / dts Center Front Front...
Page 46
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.
Page 47
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.
Page 48
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.
Page 49
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.
5. Disassembly and Reassembly 5-1 Open Top Cabinet Fig. 1 Fig. 2 ① ② ③ ④ Let’s begin to disassemble ! Remove 4 screws on back top cabinet. Fig. 3 Fig. 4 ③ ④ ① ② Lift up the cabinet in direction of arrow. Remove 4 screws on the left and right side.
5-2 Rear Panel Removal Fig. 7 Fig. 8 ① ② ③ Remove 3 screws on the rear panel. Disassemble the power cord. Fig. 9 Fig. 10 Disjoint a rear panel from body, direction View of dissembly, top cabinet and rear of arrow.
Page 52
5-3 Ass’y Front –Panel Removal Fig. 11 Fig.12 Disconnect CN7 from Main PCB and Remove 1 screw. ‘CN3’ from SMPS PCB. Fig.13 Fig.14 ② ② ① ③ ① Remove 2 screws. Remove 3 screws. Fig.15 Emergency hole Insert a sharp point into emergency hole, and then push the tap in the hole in direction of arrow, open tray manually.
Page 53
Ass’y Front –Panel Removal Fig. 16 Fig.17 Disassemble the door tray in direction of Release 2 taps on the left and right side arrow. from the bottom cabinet. Fig.18 Fig.19 Release 3 taps from the bottom cabinet. Disassemble the Ass’y Front Panel. Fig.
Page 54
5-4 Jack PCB and SMPS Removal Fig. 22 Fig. 23 ① ② Remove 2 screws. Disconnect Jack PCB from Main PCB. Fig. 24 Fig. 25 ① ② ③ ④ Disconnect ‘CN5’ from Main PCB. Remove 4 screws, and dissemble SMPS. Fig.
Page 55
5-5 Deck and Main PCB Removal Fig. 27 ③ ① ⑥ ② ④ ⑦ Remove 7 screws. ⑤ Fig. 28 Fig. 29 Disassemble Deck and Main PCB. When you take the DVD Player apart, you can see this picture.
6. Troubleshooting ASDS An Appearance Requires Confirmation 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.
Page 59
Electrical Part List 2. Front board Front Board SC Type Location Spec Pak' P C B A S S ' Y , F R O N T ( M / I ) (IR)INFRA RECIEVER L Type U2 TO-92 Q1 VFD DISPLAY FRONT POWER WIRE, 5PIN-5PIN(PCB), PCB IN WIRE CON2 FRONT SIGNAL WIRE, 11PIN-11PIN(PCB), PCB IN...
Page 60
Electrical Part List 3.Jack board Location S100 Model (FOR USA) Spec Pak' Usa' A S S ' Y O P T I O N AAA, 1.5V, BATTERY A S S ' Y A C C E S O R Y 43KEY'S, REMOCON(IR) RCA CABLE(PIN CABLE) S-VHS CABLE...