Page 1
The exterior design and some parts of the product may be changed without prior notification.
DVD-ROM DRIVE
TS-H352C(SH-D162C)
Service
Manual
DVD-ROM
DVD-ROM
Product Features
Product Features
READ
CD-ROM(MODE1) : MAX 7, 800KB/sec
DVD_single : MAX 21, 600KB/sec
DVD_dual : MAX 10, 800/sec
DVD - R : MAX 8, 100KB/sec
DVD+RW : MAX 8, 100KB/sec
DVD-RW : MAX 8, 100KB/sec
DVD-RAM : MAX 2, 700KB/sec
PIO MODE 4 : MAX 16.6MB/sec
DMA MODE 2 : MAX 16.6MB/sec
Ultra DMA MODE 2 : MAX 33.3MB/sec
Ultra DMA MODE 5 : MAX 100MB/sec
Page 2
Contents
Contents
Chapter 1 Safety Precautions
Chapter 2 General Specifications and
Features
Chapter 3 Functional Description and
Installation
Chapter 4 Disassembly and Assembly
Chapter 5 Troubleshooting
Chapter 6 Block Diagram
Chapter 7 Schematic Drawings
Page 3
1
1-1. Safety Precautions for Repairs
1. Safety Precautions
1) Since the equipment uses laser diode, ensure
that eyes and parts of the body do not come
near the laser diode while performing repair
service.
2) Do not disassemble pickup to repair. If the laser
diode is faulty, then replace the complete pickup
assembly.
3) Perform repair services away from electrical
equipments such as TV to avoid interference
from these equipments.
4) Ensure to unplug the power cord from the unit
before replacing any parts.
5) Ensure to insert the disc properly into the unit
before use.
6) Since this equipment cannot be used as a
standalone unit, it must be installed in a PC
(586 or higher) with appropriate device driver from
the floppy disk to verify proper operation.
7) This equipment has many parts with properties
related to safety. These parts are specifically
noted in the parts list and schematic drawings.
Ensure to replace these parts with new parts
that have the same specifications.
- Since the laser diode in the optical pickup
bundle can be easily damaged by the static
electricity in human body or clothing, use
the following grounding guidelines when
handling the bundle.
Wear a wrist strap with one end properly
grounded. The wrist strap discharges the static
electricity in human body.
Work on a conductive material such as copper
plate that is properly grounded.
Since the static electricity stored in clothing is
not easily discharged, ensure that clothing does
not make a contact with the pickup bundle.
1-2. Safety Precautions for Installations
A certain semiconductor components are highly
susceptible to damages caused by electrostatic
discharge (ESD).
Semiconductors components such integrated circuits,
field effect transistors, and other semiconductor
devices are examples of devices that are highly
sensitive to ESD.
Use the following guidelines to reduce the damages
caused by the ESD.
1) Before handling any semiconductor components
or parts that contains semiconductors,
immediately discharge all static electricity in the
body by making a contact with a grounded
metallic object. A commercially available wrist strap
may also be used.
The static electricity must be discharged to avoid
potential impact on the voltage during testing.
2) After removing ESD-sensitive components or
parts, place the items on a conductive surface
such as on a piece of aluminium to prevent
accumulation of charges and exposure to ESD.
3) Use properly grounded soldering iron to solder
or to de-solder ESD-sensitive components.
4) Only use anti-static soldering iron to de-solder
ESD-sensitive components.
Use of soldering irons not classified as “anti -static”
has enough electrostatic charges to cause damages
to the components.
5) Do not use chemical sprays such as Freon.
These chemicals have enough electrostatic
charges to cause damages to the ESD-sensitive
components.
6) Do not remove replacement parts from the
anti-static packaging until they are ready for
installation. [Most of the replacement parts are
packaged in conductive foam, aluminium, or
other conductive materials with all the leads
shorted together.]
7) Before removing the anti-static packing
materials for the new parts, make a contact with
the chassis or protective material for the circuits
to discharge the static charges.
8) Minimize body movement when handling
unprotected ESD-sensitive parts and
components. (The movement of body causes
build up of electrostatic charges from friction
between layers of clothing, and between the
shoes and the carpet which may cause damage
to the components.)
Caution: Ensure that the power does not get transferred to
the chassis or to the circuitry, and that all general
safety guidelines are followed.
Page 4
2
1-3. Static Electricity, PL, and Voltage Safety Precautions
1) Read all safety and operational manuals before
operating the product.
2) Keep the safety and operational manuals for
future reference.
3) Follow all precautions and operational
instructions shown inside or on the outside of
the product.
4) Follow all operational and maintenance
precautions.
5) Unplug the power cord from the socket before
cleaning operation. Do not use liquid or aerosol
type of cleaners to clean the exterior cabinet.
Use a dry cloth only to clean the dust off the
cabinet.
6) Do not use any attachments not recommended
by the manufacturer. This may be unsafe and may
damage the product.
7) Do not use the product near water such as
bathtubs, washbasins, washing machines,
swimming pools, or lakes.
8) Never place the product on the bed, sofa,
radiator, or near any heat source.
9) Power: Only use the type described on the label.
Contact the dealer if the power type cannot
be identified. To operate the product using
batteries or other sources of power,
consult the operating manual.
10)Lightening: Unplug the power during lightening
and during a long period when the
product is not being used.
11) Electrical Overload: Do not plug excessive number of
power cords into the outlet
or extension outlet to prevent fire
hazard and electrical shock.
12) Never put any object or liquid in the product.
It may cause fire or electrical shock due to a
potential contact with the power supply and/or
short-circuit.
13) Replacement Parts: The service technician
must use a replacement part with
the same exact specification.
Use of replacement part with
incorrect specification may
result in fire, electrical shock,
and other safety hazards.
14) Safety Inspection: Always perform a safety
inspection after a service
and/or repairs.
Important Safety Precaution:
The product contains special components
important for safety. These components are
identified with in the schematic drawings.
These components must be replaced with
components with the exact same specification to
prevent electrical shock, fire, and other hazards.
Do not modify any part of the original product
design without manufacturer s permission.
Warning: A death or a serious injury may result if the
instructions are not followed properly.
Caution: Property damage may result if the instructions
are not followed properly.
Description of Warning / Caution
Page 5
3
2. General Specifications and Features
2-1. General Specifications
2-2. Features
DC +5V, 1.2A
DC +12V, 1.5A
- Drive Type:
- Power Consumption:
Internal
- Interface: ATAPI BUS(E-IDE)
- Data Transfer Rate:
CD/DVD
Read (CD-ROM)
7,200KB/sec (Maximum: 48X)
Read (DVD-ROM)
21,600KB/sec (Maximum: 16X)
- (CD-ROM)
- ACCESS TIME
1/3 Stroke: < 130ms
Full Stroke: <210ms
- (DVD-ROM)
1/3 Stroke: < 140ms
Full Stroke: <230ms
- Dimensions:
148.2mm(W) x 184mm(L) x 42mm(H)
- Weight:
750g
- Frequency Response: 20Hz~20KHz (Line out)
20Hz~20KHz (Line out)
- Laser Type:
Semiconductor Laser
- Audio Output:
Line out : 0.7Vrms±20% 47Kohm
- Signal to Noise Ratio: 80dB (1KHz, Line out)
65dB (1KHz, Line out)
- Distortion: < 0.15% (1KHz)
- Channel Separation:
Line out: 65dB (1KHz)
- Buffer Size: 512KB
- Error Rate: Mode 1:10
-12
Mode 2: < 10
-9
Front
Rear
Stop/Open
Button
Disc Tray Emergency
Hole
LED
Digital Output
Connector
Audio Output
Connector
Master/Slave
Select Pin
Interface
Terminal
Power Terminal
Page 6
3. Functional Description and Installation
4
3-1. Hardware Functional Description
Read
CD-ROM: CAV 48X Max.
CD-R: CAV 48X Max.
CD-RW: CAV 32X Max.
PIO mode 4: 16.6MB/sec
Multiword DMA mode 2: 16.6MB/sec
UDMA mode 2: 33.3MB/sec
Page 7
5
3-2. PowerDVD
After the initial installation screen as shown below, click [NEXT] and follow the
instructions to complete the installation.
1. Click [Start] -> [Program] -> [CyberLink PowerDVD] -> [Uninstall PowerDVD].
Follow the dialog boxes shown below in sequence.
1. Click [Start] -> [Setting] -> [Control Panel] -> [Add/Remove Programs],
the following screens appear.
(a) Install PowerDVD.
(b) There are two methods of uninstalling PowerDVD.
[PowerDVD initial installation screen]
Installing PowerDVD
Uninstalling PowerDVD
Page 8
6
Operating System: Microsoft Windows 98SE/ME/2000/XP
Processor: Intel Pentium II 350MHz or higher, Athlon Processor
Memory: > 64MB
128MB is recommended to utilize the audio effects.
Display Resolution: 800 x 600 pixels minimum, 1024 x 768 recommended
Audio: PCI Sound Card, USB Audio Box, Mainboard with audio support
Hard Disk Space: > 40MB
Video Display: Display card supporting DirectDraw overlay
PowerDVD System Requirements
PowerDVD Introduction Screen
Page 9
7
3-2-1. PowerDVD Functional Overview
Main Controls
Audio
Volume
Indicates
volume level
Current Audio Mode
Indicates current audio coding,
audio mode, language, and title
Navigation Slider
Indicates time progression.
Press the slider to move to a different location.
Frame Capture [C]
Captures video contents in bitmap image
Previous Section [R]
Selects the previous section during DVD title
menu selection
Next Audio Stream [H]
Changes the audio stream
Next Title [U]
Changes the title during playback
Full Screen [Z]
Changes to full screen mode or window mode
Minimizes [Ctrl-N]
Minimize user
interface to task bar
End [Ctrl-X]
Ends PowerDVD
Help [F1]
Connects to Online Help
Eject [Ctrl-E]
Ejects DVD
Fast Backward
Moves the content backward in
increasing speed indicated by a
green dot on the display.
Backward [Ctrl-B]
Moves to the previous frame
Previous [P]
Moves to the previous chapter
Play [Enter]
Plays back the media
Fast Forward
Moves the content foreward in
increasing speed indicated by a
green dot on the display.
Forward [T]
Moves to the next frame
Next [N]
Moves to the next chapter
Stop [S]
Stops the playback
Pause [Space]
Pauses the playback
Control Button
Main Controls
Page 10
8
This window has options for player, skin, audio, child protection control,
and information.
[Icon] Select source -> Open media file: play standard video files [mpg,avi… ]
Options
Standard Video Playback
Page 11
9
4-1. Disassembly
Door-Tray
4-1-1. Exterior Components and PCB Disassembly
(a) Apply power, and open tray in “A” direction.
(b) Lift door in “B” direction.
(c) After closing the tray , turn the power OFF.
Note: If the tray does not open, then force the tray open manually by pushing the pin Clip 3
into the emergency hole on the unit.
Pannel Front
(a) Press hooks in 6 places.
(b) Pull front panel
toward the front.
4. Disassembly and Assembly
Page 12
10
Top-Cabinet
(a) Remove screws in 4 places.
(b) Lift top cabinet .
Assy-Deck
(a) Lift assembly deck .
Page 13
11
MAIN-PCB
(a) Detach Pick-up FPC from the PCB.
(b) Detach FFC between the main PCB and the front of the PCB.
(c) Detach FFC between the main PCB and the front of the PCB.
(d) Press hooks on the deck used for securing the PCB.
(e) Disassemble the main PCB .
(f) Remove the solder on the PCB used for connecting the motor.
(g) Detach the front PCB from the deck by pressing the hooks.
Tray
4-1-2. Deck Disassembly
(a) Press hooks in 2 places.
(b) Pull tray towards the direction of the arrow.
Page 14
12
Assembly Deck
4-1-3. Deck Disassembly
(a) Move slide cam towards the left.
(b) Remove screw .
(c) While pressing hooks in 2 places towards the direction of “A”, disassemble
ASSY FEEDING in the direction of “B.”
Page 15
13
4-1-4. Assembly Diagram
Page 16
14
- Parts List
The parts list contains parts for SA only.
BG68-00130A LABEL A
BG68-00954A LABEL RATING
LABEL RATING ; TS-H352C, DELL, ART PAPER, -, 8
BG97-04128A ASSY CASE TOP ASSY-COVER TOP ; -, SW-252T, D6V
BG97-03869B ASSY FRONT PANNEL
ASSY-PANEL FRONT ; ABS, SD-616E/DNR, C6200 G
BG64-00252J DOOR TRAY DOOR-TRAY ; SD-616E/DWR, PC/ABS, -, -, -, -, C62
BG63-00149B TRAY DISC TRAY-DISC ; SM-352S, ABS(NH-0926), -, -, -, -, M
BG41-00331A FFC FFC-FRONT ; TS-H352C, -, -, 8, -, -
BG97-04477A SPINDLE MOTOR ASSY-SPINDLE MOTOR ; LEAD FREE, TS-H492A
BG30-00082A PICK-UP PICK UP ; SF-HD68V, 3.05/3.07, 0.60/0.47, 1.2
BG97-04145A ASS’Y SLIDER STEP ASSY-SLIDER STEP ; -, SD-616P, ASSY SLIDER S
BG31-00066A STEP MOTOR MOTOR STEP ; SPS-15RF-057KP, SM-352S, -, -, -,
BG66-00061A GEAR-TRAY GEAR-TRAY ; SC-152A, -, -, -, -, -, -, -, -
BG66-00118A PULLEY MOTOR GEAR-PULLY ; SW-252T, POM(F20-03), -, -, -, -, -
BG66-00062A SLIDER-CAM SLIDER-CAM ; SC-152A, -, -, -, -, -, -
BG66-00044A BELT BELT-PULLY ; SC-148T, CR-70, KIPA, 5CM-70, -, -
BG97-05124A ASS’Y LOADING ASSY-LOADING ; ASSY, TS-H292C, -
BG97-04449A LOADING MOTOR ASSY-LOADING MOTOR ; -, SD-616P, ASSY
BG99-90009D PCB MAIN ASSY PCB, m;TS-H352C, DELL
BG92-00516A ASS’Y F/PCB ASSY OPT PCB ; TS-H352C, -
BG63-00147A ASS’Y BOTTOM COVER COVER-BOTTOM ; SD-616P, SECC, 0.5T, -, -, -, -, -
Code No Description
Remark
Specipication
No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Page 17
15
Verify Power Supply and Initial States
5. Troubleshooting
5-1. Troubleshooting Procedure
Is electrity of 5V and 12V normally input
after the connecting the power cable ?
Do Y401 oscillate ?
Dose the voltage of the 5pin of IC301
(initial power on) change from 3.3V ?
Is electricity of 3V normally
output from the 1pin of IC101?
When you transfer the P/U to the
outer cycle, and turn the power on, dose it
move to the inner one?
TRAY IN/OUT ?
LASER DIODE ON ?
FOCUS UP/DOWN ?
FOCUS LOCK ?
DISC rotation?
SPINDLE LOCK ?
Refer to ‘NO LASER DIODE ON’
Refer to ‘NO FOCUSE LOCK’
AUDIO OUTPUT ?
Check the connection of the
power short and cable.
If the power of Y401 is normal
when you check, replace X-TAL.
If the power of IC301(178pin) is normal
when you check circuit.
If the power of IC102(2.4pin) 5V is normal
when you check, replace IC101.
Refer to ‘NO SPINDLE MOTOR ROTATION’
Refer to ‘NO AUDIO OUTPUT’
Refer to ‘NO SLED OPERATION’
Refer to ‘Check TRAY OPEN / CLOSE’
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
N
N
N
N
N
N
N
N
Page 18
16
When sled is not working
When you transfer the pick-up to the
outer cycle and turn the power on,
dose the P/U move to the inner one?
SLED operation of normal.
The below waveform is outputted in
IC301 17, 18pin, R310, R311(PWMOUT1)?
If the constant of IC301 and GND, pattern’s
when you check, replace.
If the constant of IC501 and GND, pattern’s
when you check, replace.
Replace stepping Motor.
Checking soldering of CN501
The below waveform is outputted in
IC501 33, 35pin ?
Y
N
Y
Y
N
Y
N
N
Page 19
17
When tray does not open or close
Is the connector inserted
normally into the CN401 ?
Try again after a normal
insertion of the connector into CN401.
Try again after a normal
insertion of the connector into CN401.
Normal operation of TRAY.
When the eject-switch is pressed,
does the voltage from the
179pin of IC301 change from 0V?
When the tray is in, is the
0 voltage from the 10pin of IC301 none ?
When the tray is out, is the
0 voltage from the 11pin of IC301 none ?
Replace of FRONT ASS’Y, retest
TRAY OPEN/CLOSE operation ?
Check pattern and soldering of the
eject-switch CN401 connector.
Replace TRAY MOTOR
IC301 19pin
change from continue PWM?
IC505 1, 2pin
change from continue PWM?
Tray driver IC operation
TRAY IN TRAY OUT
Y
Y
Y
Y
Y
N
N
N
N
Page 20
18
When the laser diode does not turn on
Voltages indicated with (*) vary depending on the set, disc, P/U and Read, Write modes.
Is the connector inserted normally
into the CN201 ?
Try again after a normal insertion
of the connector into CN201.
CD : Is electricity of about 2V
input through 81pin of IC201?
DVD :Is electricity of about 2.5V
input through 52pin of IC201?
CD : Is electricity of about 1.8V
input through 8pin of CN201?
DVD :Is electricity of about 2.3V
input through 22pin of CN201?
Try again after replace of FPC Wire.
Checking Power and GND pattern.
Isn’t there any problem with the FPC Wire ?
IC301’s Power and GND terminal normally?
Replace P/U
Y
Y
N
Y
N
N
N
Y
Page 21
19
When focus lock is not functioning
Dose the CH1 below come
out of the 41pin of IC201
after insertion of a CD DISC ?
Based on R309(FOSO) at
VREF, swinging wave pattern
appears top to bottom.
IC501's 6, 7pin has
tuning wave pattern.
P/U UP/DOWN.
IC201's 41PIN has
S-CURVE.
Input 198PIN of IC304
Is the waveform(CH2)
above output through the
15pin of IC304 ?
Check CN201 soldering and
replace of P/U.
Checking power of IC304
and GND, soldering
Checking power of IC201
and GND, soldering
If the power of IC304 and GND,
soldering is normal when you
check, replace IC200.
If the power of IC501 and GND,
soldering and 5, 17pin 5V
is normal when you check,
replace IC200.
After inserted normally into the FPC
Is the waveform(CH3)
picture of left output
through the of R593?
Does IC501's 6, 7pin
correspond with CH2
in picture left?
Focus lock operation
FPC of CN201is normally inserted?
Y
Y
Y
Y
N
N
N
N
Page 22
20
When spindle motor is not rotating
The below waveform is outputted
in IC304 20pin, R313(DMSO) CH1?
Check the power of IC304 and soldering
FFC of connector CN501 is normally
inserted?
FFC of spindle motor is normally inserted?
Check the power of IC501 and soldering
replace IC501.
The below waveform is outputted
in IC501 29(W), 30(V), 31(U)pin CH2?
After correct insertion of
FFC to Connector, then retest.
After correct insertion of FFC
to SPINDLE MOTOR, then retest.
Replace of spindle motor
Spindle motor operation
Based on R343(DMSO) at VREF,
swinging wave pattern
appears top to bottom.
IC501's 31pin has
tuning wave pattern.
Is FG properly generated
and suitable to the
IC501 24pin(FG) level?
Does voltage at R313(DMSO)
change continuously according
to the change of RPM?
(VREF: change to the default).
Spindle motor rotation.
CD - ROM READ
Y
Y
Y
Y
N
N
N
N
Page 23
21
When there is no audio output
Replay of AUDIO after
insertion of AUDIO DISC ?
Audio waveform is inputted
IC301 137, 139pin?
Power of IC301 3.3V
inputted normally?
Replace IC304 if same condition,
after checking soldering of
IC301's surrounding area.
Check the power source
Checking soldering of
Line out audio block and retest.
After insert connector normally retest
Audio waveform is inputted
L, R ch of LINE OUT?
Connector of CN401 is
normally inserted?
Replace of PCB ASS’Y
and retest.
Y
Y
Y
Y
NN
N
N
Page 24
22
A. Program: RW DIAG (FA TEST for Windows Program)
B. Target Products: All ODD Products (CD-ROM, DVD-ROM, CD-RW, COMBO, DVD-WRITE)
C. Evaluation Criteria and Test Specifications
(a) CD-ROM, DVD-ROM Read Test (STD-200, TDV-520) < CD => 01:10 DVD => 02:05 Inner/Outer >
- Sequential Read, Random Read 200 times on 10% of internal, external tracks
(b) CD-R, CD-RW Write/Read Test (CD-R/RW) <CD-R=>00:50 CD-RW=>01:04 Inner/Outer >
- Write Test: TAO Mode 1, record 10000 LBA from the Next writable Address
- Read Test: Sequential Read and Compare of recorded sectors
(c) DVD-R/RW, DVD+R/RW Write/Read Test (DVD-R/RW, DVD+R/RW) < DVD /RW 01:30 Inner/Outer >
- Write Test: Incremental Mode, record 10000 LBA from the Next writable Address
- Read Test: Sequential Read and Compare of recorded sectors
(d) Media Support Verification: Verification of support for the user media among the products for evaluation.
(NDF distinction)
- Indicates support for WST by comparing with the disc information (Atip or MID)
D. Application
(a) Target Users: PC/ODD service center technicians
(b) Description
- Existing ODD product evaluation has been based on reproduction of symptoms already received
(SWAP) on DOS environment. On the other hand, RWDIAG program runs on Windows environment, and
allows evaluation of major performance features of ODD in real time enabling faster response to
customer inquiries and objective performance evaluation. Therefore, it reduces potential conflicts
with the customers by providing faster and precise information from the tool.
- This program can reduce defaults and errors that may cause malfunctioning of computer.
E. RWDIAG Screen Description
5-2. Diagnostic Program
5-2-1. Environment
Page 25
23
Using the Program
The program automatically selects appropriate target test criteria for each product category to be
evaluated, and test criteria that do not apply to the target evaluation products become inactivated so
that they cannot be selected.
Copy RWDIAG program supplied to hard drive .
Connect the drive to be tested to the PC, and start the program.
<< Starting the Test >>
A. Drive under Test: TS-H352C(SH-D162C)
(a) Click on “START” within RWDIAG program window, and “Put a CD-ROM disc on the tray” message window appears.
B. Insert “STD-200” disc in the tray, and click “OK” button. The tray closes, and CD Read evaluation testing starts.
- After the test, CD-ROM test result as shown on the right can be displayed by clicking “Open LogFIle” in “File” menu.
[CD/DVD-ROM TEST Category]
Tray Open/Close Test
Sequential Read Test (inner/outer 10%)
Random Read Test, 200 times
Page 26
24
5-3. Operational Failure Symptoms and Actions
When software MPEG player is
used to playback the
contents of CD, the video is
jerky and slow.
The PC does not recognize the
CD and is slow.
The PC does not recognize the
DVD-ROM Drive in DOS.
The PC does not recognize the
DVD-ROM Drive.
PC becomes slow after installing
DVD-ROM Drive.
Ensure that the power cable, audio cable, and IDE cables are
connected properly.
Use a different IDE cable connection. (Connect to the master for
the secondary IDE cable if possible.)
Check the status of Master/Slave pin setting.
Install the driver again, or go to Samsung Electronics website
(www.sec.co.kr) or to ODD Service website (www.samsung.ODD.com)
to download and install the latest version of the driver.
The PC does not recognize
the DVD-ROM Drive in
Windows.
If error occurs in Windows program, then the hardware may not get
recognized – reinstall the program.
If the drive is not recognized only in Windows, then reinstall Windows.
There is no sound from the
Audio CD.
Check whether the audio cable is correctly connected to the sound
output terminal on the DVD-ROM drive and the sound card CD-IN
terminal.
Check that the sound card is operational.
Check the condition of the CD, and, if necessary,use it after it has
been cleaned.
The disc tray does not open.
Ensure that the power cord and cables are connected properly.
If the tray does not open when the power is on, first, try to open by
pressing Open/Close button again after re-booting the system.
If, however, it still does not open, then turn the power off, and insert a
pin or a paper clip into the emergencyhole to force the tray open.
Use a smaller playback window.
Ensure the display resolution is set correctly.
If not, go to the Control Panel to set the resolution to correct setting.
Disc empty message appears
even with a disc in the drive.
Accessing the drive too fast after inserting the CD in the tray may
cause the PC not to recognize the CD. Open and close the tray,
and then retry.
Always clean the disc before use.
Page 27
25
5-4. Compatibility Issues and Suggested Actions
DAM (Direct Memory Access) allows autonomous transfer of data
between the main memory and peripheral devices without CPU
intervention which reduces the CPU load for multi-tasking,
and increases the transfer speed.
-
It minimizes the number of interrupts for inputs and outputs during
program execution increasing system efficiency.
It provides direct exchange of I/O data at high speed between the main
memory and peripheral devices without going through the CPU.
-
In DMA mode, data are transferred directly among peripheral devices without
the intervention of CPU. However, DMA mode cannot be selected if the
mainboard does not support the DMA mode. In addition, DMA mode cannot
be selected if an external connection device is used.
-
In DMA mode, a number of mainboard using VIA chipsets and some specialized
mainboard may have compatibility issues. Check for DMA mode support on your
mainboard before using the mode. If the mainboard does not support the
DMA mode, then change the mode to PIO mode.
-
UDMA means Ultra DMA, and PIO has the opposite concept to DMA.
That is, if PIO transfer mode is selected, the CPU manages the data transfers
between the main memory and peripheral devices.
The Combo Drive supports UDMA. Since a number of mainboards
with VIA chipsets may cause compatibility issue, use PIO mode instead
of DMA mode.
Select DMA by clicking Start -> Settings -> Control Panel -> System -> Hardware Wizard -
> CD/ROM -> Drive Property -> Select
Windows98 & WinME
Select DMA by clicking Start -> Settings -> Control Panel -> System -> Hardware ->
Hardware Wizard -> IDE ATA / ATAPI Controller -> Secondary IDE Cable Controller
Property -> Advanced
- Device 0: Master Device 1: Slave
Windows2000 & Windows XP
Verify that the DMA selection has been performed correctly after the selection
process.
The DMA selection procedure may vary depending upon the OS environment.
What is DMA Mode?
DMA Selection for the Combo Drive
Page 28
Technical Assets
- This document can not be used without Samsung’ s authorization.
26
6. Block Diagram
Page 29
TS-H352C(SH-D162C)
- Circuit Parts List
IC301 0904-001999 IC-DSP ; MT1355,16Bit, LQFP, 216P, 24x24mm, 25
IC901 1003-001715 IC-ANALOG MULTIPLEX ; SN74LVC1G3157, -, SO, 6
IC501 1105-001261 IC-MOTOR DRIVER ; M63044FP, SSOP, 42P, 13x17m
IC401 1107-001406 IC-DRAM ; V53C16258HK25, 256KX16BIT, SOJ, 40P
IC402 1107-001406 IC-FLASH MEMORY ; M25P20,256Kx8Bit, SOP, 8P
IC101 1107-001406 IC-MULTI REG .; RT9184A-FNPS, SOP, 8P, 5.0x6
1
1
1
1
1
1
SA
SA
SA
SA
SA
SA
Qty NotesSA-SNAName Part Number Specification
The parts list contains parts for SA only.
27
7. Schematic Drawings
Technical Assets
- This document can not be used without Samsung’ s authorization.
Page 30
Samsung Electronics Co., Ltd.
02, 2005 Printed in Korea
©
- This manual is Samsung Electronics’ technical asset. Legal actions
may be taken for unauthorized utilization if it is used for purposes other
than the repair of Samsung Electronics’ products.
Loading...