CONTENTS SAFETY PRECAUTIONS GENENRAL GUIDELINES PREVENTION OF ELECTRO STATIC DISCHARGE(ESD)TO ELECTROSTATICALLY SENSITIVE(ES) DEVICES PRECAUTION OF LASTER DIODE GENERAL DESCRIPTION PREVENTION OF STATIC ELECTRICITY DISCHARGE GROUNDING FOR ELECTROSTATIC BREAKDOWN PREVENTION 5.1.1 WORKTABLE GROUNDING 5.1.2 HUMAN BODY GROUNDING 5.1.3 HANDING OF OPTICAL PICKUP HANDING PRECAUTIONS FOR TRAVERSE UNIT(OPTICAL PICKUP) ASSENBLING AND DISASSEMBLING THE MECHANISM UNIT DISASSEMBLY PROCEDURE...
1.SAFETY PRICAUTIONS 1.1 GENERAL GUIDELINES 1.When servicing,observe the original lead dress.ifa short circuit is found,replace all parts which have been overheated or damaged by the short circuit. 2.After servicing,see to it that all the protective devices such as insulation bamiers,insulation papers shields are properly installed.
5.PREVERTION OF STATIC ELECTRICITY DISCHARGE The laser diode in the traverse unit (optical pickup)may brake down due to static electricity of clothes or human body.Use due caution to electrostatic breakdown when servicing and handling the laser diode. 5.1.Grounding for electrostatic breakdown prevention Some devices such as the DVD player use the optical pickup(laser diode)and the optical pickup will be damaged by static electricity in the working environment.Proceed servicing works under the working environment where grounding works is completed.
6.ASSEMBLING AND DISASSENBLING THE MECHANISM UNIT 6.1Disassembly Procedure 6.2 Terminal P.C.B. 1.Unscrew the screws. 2.Remove the solders. 3.Remove the connectors 5...
6.5 Traverse Block 1.Lift the traverse block while spreading the hook of the mechanical chassis chassis unit. 2.Disengage the tabs from the holes of the mechanical chassis unit. 6.6. Traverse Gear 1.Disengage the tabs from the traverse gear 2.Remove the traverse gears B and C. 7...
6.7.1. Precautions in optical pickup replacement The optical pickup can be damaged by static electricity from you body.Be sure to take static electricity countermeasures when working around the optical pickup.(Refer to the related page in this Manual about the countermeasures. 1.Do not touch laser diode,actuator and their peripheries.
6.8. Disassenbling the Middle Chassis 1.Remove the holders pins. 2.Remove the tab. 3.It lifts while pulling it in the direction of the arrow. 6.9. Disassenbling the Traverse Gear A 1.Remove the traverse gear A.
7. Electrical Confirmation 7.1. Video Output (Luminance Signal) Confirmation DO this confirmation after replacing a P.C.B. Measurement point Mode Disc Color bar 75% DVDT-S15 Video output terminal PLAY(Title 46):DVDT-S15 PLAY(Title 12):DVDT-S01 DVDT-S01 Measuring equipment,tools Confirmation value 200mV/dir,10 sec/dir 1000mVp-p±30mV Purpose:To maintain video signal output compatibility. 1.Connect the oscilloscope to the video output terminal and terminate at 75 ohms.
7.2. Video Output (Chrominance Signal) Confirmation Do the confirmation after replacing P.C.B. Measurement point Mode Disc Color bar 75% DVDT-S15 Video output terminal PLAY(Title 46):DVDT-S15 PLAY(Title 12):DVDT-S01 DVDT-S01 Measuring equipment,tools Confirmation value Screwdriver,Oscilloscope 200mV/dir,10 sec/dir 621mVp-p±30mV Purpose:To maintain video signal output compatibility. 1.Connect the oscilloscope to the video output terminal and terminate at 75 ohme.
PRELIMINARY ES6008/18/28/38 DATA SHEET ES60X8 PINOUT DIAGRAM ES60X8 PINOUT DIAGRAM The identical device pinouts for the ES6008, ES6018, ES6028 and ES6038 are shown in Figure 2. HA2/AUX4[4] DSCK AUX[0] AUX[1] DCS0# AUX[2]/IOW# DCS1# AUX[3]/IOR# DB15 AUX[4] DB14 AUX[5] DB13 AUX[6] DB12 AUX[7] LOE#...
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PRELIMINARY ES6008/18/28/38 DATA SHEET ES60X8 PIN DESCRIPTION ES60X8 PIN DESCRIPTION Table 1 lists the identical pin descriptions for the ES6008, ES6018, ES6028 and ES6038. Table 1 ES60x8 Pin Description Name Number Definition 1,18, 27, 59, 68, I/O power supply. 75, 92, 99, 104, 130, 148, 157, 159, 164, 183, 193, 201...
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PRELIMINARY ES6008/18/28/38 DATA SHEET ES60X8 PIN DESCRIPTION Table 1 ES60x8 Pin Description (Continued) Name Number Definition MCLK Audio master clock for audio DAC. TBCK Audio transmit bit clock. SPDIF S/PDIF output. SEL_PLL3 Clock source select. SEL_PLL3 Clock Source Crystal oscillator DCLK input 42, 48 No connect pins.
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PRELIMINARY ES6008/18/28/38 DATA SHEET ES60X8 PIN DESCRIPTION Table 1 ES60x8 Pin Description (Continued) Name Number Definition YUV1 YUV1 pixel output data. Internal voltage reference to video DAC. Bypass to ground with 0.1 µF capacitor. VREF YUV2 YUV2 pixel output data. CDAC Video DAC output.
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PRELIMINARY ES6008/18/28/38 DATA SHEET ES60X8 PIN DESCRIPTION Table 1 ES60x8 Pin Description (Continued) Name Number Definition HD[11] Host data bus line11. AUX2[3] Aux2 data I/O [3] when selected. IRQ output. HD[12] Host data bus line12. AUX2[4] Aux2 data I/O [4] when selected. C2PO C2PO error correction flag from CD-ROM.
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PRELIMINARY ES6008/18/28/38 DATA SHEET LICENSING REQUIREMENTS Table 1 ES60x8 Pin Description (Continued) Name Number Definition AUX[2] Auxiliary port 2. IOW# I/O Write strobe. AUX[3] Auxiliary port 3. IOR# I/O Read strobe. AUX[7:3] 169:166 Auxiliary ports 7:3. LOE# Device output enable. LCS[3:0]# 176:173 Chip select [3:0].
PRELIMINARY ES6008/18/28/38 DATA SHEET FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION Figure 3 shows the internal block diagram for the basic Vibratto DVD processor. DSCK_EN DSCK SRAM LA[21:0] DRAM LCS#[3:0] Interface DCS#[1:0] Processor LD[15:0] DRAM Interface DMA[11:0] LWRHL# Interface ESS RISC DWE# LWRLL# DOE# Processor LOE#...
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IC BLOCK DIAGRAM & DESCRIPTION IC U214 Am29F002B/Am29F002NB 2 Megabit (256 K x 8-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory DISTINCTIVE CHARACTERISTICS Single power supply operation Embedded Algorithms — 5.0 Volt-only operation for read, erase, and — Embedded Erase algorithm automatically program operations preprograms and erases the entire chip or any combination of designated sectors...
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IC BLOCK DIAGRAM & DESCRIPTION PRODUCT SELECTOR GUIDE Family Part Number Am29F002B/Am29F002NB = 5.0 V ± 5% Speed Option = 5.0 V ± 10% -120 Max access time, ns (t Max CE# access time, ns (t Max OE# access time, ns (t Note: See “AC Characteristics”...
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IC BLOCK DIAGRAM & DESCRIPTION CONNECTION DIAGRAMS NC on Am29F002NB NC on Am29F002NB RESET# V CC 31 30 PDIP PLCC 17 18 19 20 V SS Standard TSOP RESET# NC on Am29F002NB...
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IC BLOCK DIAGRAM & DESCRIPTION PIN CONFIGURATION LOGIC SYMBOL A0–A17 = 18 addresses DQ0–DQ7 = 8 data inputs/outputs A0–A17 = Chip enable DQ0–DQ7 = Output enable = Write enable RESET# = Hardware reset pin, active low (not available on Am29F002NB) = +5.0 V single power supply RESET# (see Product Selector Guide for...
IC BLOCK DIAGRAM & DESCRIPTION IC U206 SDRAM-HY57V65162B 4 Banks x 1M x 16Bit Synchronous DRAM DESCRIPTION The Hyundai HY57V651620B is a 67,108,864-bit CMOS Synchronous DRAM, ideally suited for the Mobile applica- tions which require low power consumption and extended temperature range. HY57V651620B is organized as 4banks of 1,048,576x16.
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IC BLOCK DIAGRAM & DESCRIPTION PIN CONFIGURATION DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 54pin TSOP II 400mil x 875mil 0.8mm pin pitch LDQM UDQM /CAS /RAS A10/AP PIN DESCRIPTION PIN NAME DESCRIPTION The system clock input. All other inputs are registered to the SDRAM on the Clock rising edge of CLK Controls internal clock signal and when deactivated, the SDRAM will be one...
IC BLOCK DIAGRAM & DESCRIPTION FUNCTIONAL BLOCK DIAGRAM 1Mbit x 4banks x 16 I/O Synchronous DRAM Self refresh logic Internal Row & timer counter 1Mx16 Bank 3 1Mx16 Bank 2 Row active Decoders 1Mx16 Bank 1 1Mx16 Bank 0 Memory refresh Cell Array...
IC BLOCK DIAGRAM & DESCRIPTION ABSOLUTE MAXIMUM RATINGS Parameter Symbol Rating Unit °C Ambient Temperature -40 ~ 85 °C Storage Temperature -55 ~ 125 Voltage on Any Pin relative to V -1.0 ~ 4.6 Voltage on V relative to V -1.0 ~ 4.6 Short Circuit Output Current Power Dissipation...
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IC BLOCK DIAGRAM & DESCRIPTION IC WS7805 POSITIVE-VOLTAGE REGULATORS TO-252 3-Termainal Regulators WS7805DP Output Current Up to 1.5 A No External Components Internal Thermal Overload Protection High Power Dissipation Capability Internal Shot-Circuit Current Limiting (TO-252) Output Transistor Safe-Area Compensation DESCRIPTION This series of fixed-voltage monolithic integrated-circuit voltage regulators designed for a wide range of applications.
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