Sharp SD-AT100H User manual

SD-AT100H
No. SY184SDAT100H
CONTENTS Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
IMPORTANT SERVICE NOTES (FOR U.K. ONLY) .......................................................................................................... 2
SPECIFICATIONS (FOR U.K.) .......................................................................................................................................... 3
SPECIFICATIONS (EXCEPT FOR U.K.)........................................................................................................................... 4
NAMES OF PARTS ........................................................................................................................................................... 5
OPERATION MANUAL ...................................................................................................................................................... 8
QUICK GUIDE (FOR U.K. ONLY).....................................................................................................................................12
DISASSEMBLY................................................................................................................................................................ 15
REMOVING AND REINSTALLING THE MAIN PARTS................................................................................................... 19
WIRING PROCESS DIARGRAM......................................................................................................................................19
ADJUSTMENT ................................................................................................................................................................. 20
DVD RECORDER DOWNLOLD PROCEDURES.............................................................................................................31
DESCRIPTION OF AND HOW TO AVOID ERROR AND ABNORMALITY INDICATIONS .............................................33
DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT ................................................................................................................34
TO CHECK AND CANCEL PROTECT CIRCUIT DETECTION LINE...............................................................................35
WIRING DIAGRAM ......................................................................................................................................................... 36
BLOCK DIAGRAM ........................................................................................................................................................... 38
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD..............................................................................................55
VOLTAGE ........................................................................................................................................................................ 95
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 96
TYPES OF TRANSISTOR AND LED................................................................................................................................96
WAVEFORMS OF 1-BIT CIRCUIT .................................................................................................................................. 97
WAVEFORMS OF DVD CIRCUIT ................................................................................................................................... 98
TROUBLESHOOTING ..................................................................................................................................................... 99
FUNCTION TABLE OF IC.............................................................................................................................................. 102
FL DISPLAY....................................................................................................................................................................112
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING METHOD (FOR U.K. ONLY)
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
1-BIT DIGITAL HOME CINEMA WITH DVD
MODEL SD-AT100H

SD-AT100H
– 2 –
Precaution to be taken when replacing and servicing the
Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output
for this model is specified to be lower than Class 1
Requirements. However, the following precautions must be
observedduringservicingtoprotectyoureyesagainstexposure
to the Laser beam.
(1) When the cabinet has been removed, the power is turned
on without a compact disc, and the Pickup is on a position
outerthanthelead-inposition,theLaserwilllightforseveral
seconds to detect a disc. Do not look into the Pickup Lens.
(2) The Laser Power Output of the Pickup inside the unit and
replacementservicepartshavealreadybeenadjustedprior
to shipping.
(3) No adjustment to the Laser Power should be attempted
when replacing or servicing the Pickup.
(4) Under no circumstances look directly into the Pickup Lens
at any time.
(5)CAUTION -Useofcontrolsor adjustments,orperformance
of procedures other than those specified herein may result
in hazardous radiation exposure.
IMPORTANT SERVICE NOTES
(FOR U.K. ONLY)
Beforereturningthe unit tothecustomer after completionofa
repairor adjustmentit isnecessaryforthefollowingwithstand
voltage test to be applied to ensure the unit is safe for the
customer to use.
Setting of Withstanding Voltage Tester and set.
Set name set value
Withstanding Voltage Tester
Test voltage 4,240 VPEAK
3,000 VRMS
Set time 6 secs
Set current (Cutoff current) 4 mA
Unit
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
PROBE
AC OUT UNIT
SHORT-CIRCUIT
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND OF CHASSIS
SCREW
WITHSTANDING
VOLTAGE TESTER
Laser Diode Properties
Material: AIGaAs/AIGaInP
Wavelength: 785 nm/650 nm
Emission Duration: continuous
Laser Output: max. 0.69 mW
ADVERSEL-SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING. SE IKKE IND I
STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
VARO! AVATTAESSA OLET ALTTIINA NÄKYVÄLLE JA NÄKYMÄTTÖMÄLLE
LASERSÄTEILYLLE ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ OPTISEN
LAITTEEN LÄPI.
VARNING-SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR
ÖPPNAD. STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ STRÅLEN GENOM
OPTISKT INSTRUMENT.
VAROITUS! LAITTEEN KÄYTTÄMINEN MUULLA KUIN TÄSSÄ
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA ALTISTAA
KÄYTTÄJÄN TURVALLISUUSLUOKAN 1 YLITTÄVÄLLE NÄKYVÄLLE JA
NÄKYMÄTTÖMÄLLE
LASERSÄTEILYLLE.
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN I DENNA
BRUKSANVISNING SPECIFICERAS. KAN ANVÄNDAREN UTSÄTTAS FÖR
SYNLIG OCH OSYNLIG LASERSTRÅLNING, SOM ÖVERSKRIDER GRÄNSEN
FÖR LASERKLASS 1.
SAFETY PRECAUTION FOR
SERVICE MANUAL

– 3 –
SD-AT100H
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
SPECIFICATIONS (FOR U.K. ONLY)
SD-AT100H
Specifications for this model are subject to change without
prior notice.
General
Amplifier
DVD/CD player
Tuner
Power source AC 230 V, 50 Hz
Power consumption 75 W
Dimensions Width: 450 mm (17-3/4")
Height: 152 mm (6")
Depth: 119 mm (4-11/16")
Weight 4.8 kg (10.6 lbs.)
Terminals Front speakers, Centre speaker, Surround speakers and
Subwoofer: 4 ohms
Headphones: 16 - 50 ohms (recommended: 32 ohms)
Monitor output: S-video/video
Subwoofer Pre Out: 10 kohms
Digital output: Optical
Digital input (AV 3): Optical
AV Terminal [AV 1 (TV)]: SCART type
AV Terminal (AV 2): SCART type
S-video input (AV 3): S-terminal
Video input (AV 3): RCA type
Audio input (AV 3): RCA type (L/R)
Amplification system 64fs 1-bit switching (Remarks: fs = 44.1 kHz)
Output power Front speakers:
RMS: 50 W (25 W + 25 W) (10 % T.H.D., 1 kHz)
Centre speaker:
RMS: 25 W (10 % T.H.D., 1 kHz)
Surround speakers:
RMS: 50 W (25 W + 25 W) (10 % T.H.D., 1 kHz)
Subwoofer:
RMS: 25 W (10 % T.H.D., 100 Hz)
A/D noise shaping 7th-order (delta - sigma) modulation
Type 1-disc vertical type compact disc player
Signal readout Non-contact, 3-beam semiconductor laser pickup
D/A converter 1-bit D/A converter
Frequency response 20 - 20,000 Hz
Dynamic range 90 dB (1 kHz)
Signal system NTSC/PAL
Frequency range FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Type 2-way type speaker system (Magnetic shield)
80 mm (3-1/8") Woofer
40 mm (1-5/8") Tweeter
Maximum input power 50 W
Rated input power 25 W
Impedance 4 ohms
Dimensions Width: 110 mm (4-3/8")
Height: 195 mm (7-11/16")
Depth: 134 mm (5-5/16")
Weight 1.0 kg (2.2 lbs.)/each
Front Speaker
Center Speaker
Surround Speaker
Subwoofer
Type 2-way type speaker system (Magnetic shield)
80 mm (3-1/8") Woofer
40 mm (1-5/8") Tweeter
Maximum input power 50 W
Rated input power 25 W
Impedance 4 ohms
Dimensions Width: 185 mm (7-5/16")
Height: 125 mm (4-15/16")
Depth: 134 mm (5-5/16")
Weight 1.0 kg (2.2 lbs.)
Type 80 mm (3-1/8") full-range speaker
Maximum input power 50 W
Rated input power 25 W
Impedance 4 ohms
Dimensions Width: 110 mm (4-3/8")
Height: 195 mm (7-11/16")
Depth: 134 mm (5-5/16")
Weight 0.8 kg (1.8 lbs.)/each
Type 160 mm (6-1/2") Woofer
Maximum input power 50 W
Rated input power 25 W
Impedance 4 ohms
Dimensions Width: 164 mm (6-1/2")
Height: 360 mm (14-3/16")
Depth: 371 mm (14-5/8")
Weight 4.9 kg (10.8 lbs.)

SD-AT100H
– 4 –
SPECIFICATIONS (EXCEPT FOR U.K. )
General
Amplifier
DVD/CD player
Tuner
Power source AC 230 V, 50 Hz
Power consumption 75 W
Dimensions Width: 450 mm (17-3/4")
Height: 152 mm (6")
Depth: 119 mm (4-11/16")
Weight 4.8 kg (10.6 lbs.)
Terminals Front speakers, Centre speaker, Surround speakers and
Subwoofer: 4 ohms
Headphones: 16 - 50 ohms (recommended: 32 ohms)
Monitor output: S-video/video
Subwoofer Pre Out: 10 kohms
Digital output: Optical
Digital input (AV 3): Optical
AV Terminal [AV 1 (TV)]: SCART type
AV Terminal (AV 2): SCART type
S-video input (AV 3): S-terminal
Video input (AV 3): RCA type
Audio input (AV 3): RCA type (L/R)
Amplification system 64fs 1-bit switching (Remarks: fs = 44.1 kHz)
Output power Front speakers:
RMS: 50 W (25 W + 25 W) (10 % T.H.D., 1 kHz)
Centre speaker:
RMS: 25 W (10 % T.H.D., 1 kHz)
Surround speakers:
RMS: 50 W (25 W + 25 W) (10 % T.H.D., 1 kHz)
Subwoofer:
RMS: 25 W (10 % T.H.D., 100 Hz)
A/D noise shaping 7th-order (delta - sigma) modulation
Type 1-disc vertical type compact disc player
Signal readout Non-contact, 3-beam semiconductor laser pickup
D/A converter 1-bit D/A converter
Frequency response 20 - 20,000 Hz
Dynamic range 90 dB (1 kHz)
Signal system NTSC/PAL
Frequency range FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Type 2-way type speaker system (Magnetic shield)
80 mm (3-1/8") Woofer
40 mm (1-5/8") Tweeter
Maximum input power 50 W
Rated input power 25 W
Impedance 4 ohms
Dimensions Width: 110 mm (4-3/8")
Height: 195 mm (7-11/16")
Depth: 134 mm (5-5/16")
Weight 1.0 kg (2.2 lbs.)/each
Fronte Speaker
Center Speaker
Surround Speaker
Subwoofer
Type 2-way type speaker system (Magnetic shield)
80 mm (3-1/8") Woofer
40 mm (1-5/8") Tweeter
Maximum input power 50 W
Rated input power 25 W
Impedance 4 ohms
Dimensions Width: 185 mm (7-5/16")
Height: 125 mm (4-15/16")
Depth: 134 mm (5-5/16")
Weight 1.0 kg (2.2 lbs.)
Type 80 mm (3-1/8") full-range speaker
Maximum input power 50 W
Rated input power 25 W
Impedance 4 ohms
Dimensions Width: 110 mm (4-3/8")
Height: 195 mm (7-11/16")
Depth: 134 mm (5-5/16")
Weight 0.8 kg (1.8 lbs.)/each
Type 160 mm (6-1/2") Woofer
Maximum input power 50 W
Rated input power 25 W
Impedance 4 ohms
Dimensions Width: 164 mm (6-1/2")
Height: 360 mm (14-3/16")
Depth: 371 mm (14-5/8")
Weight 4.9 kg (10.8 lbs.)
Specifications for this model are subject to change without
prior notice.
SD-AT100H

– 5 –
SD-AT100H
NAMES OF PARTS
SD-AT100H
Front panel
1. Disc Cover
2. On/Stand-by Button
3. Disc Cover Open/Close Button
4. Sound Mode Indicator
5. Remote Sensor
6. Disc Play or Pause Button
7. Disc Stop Button
8. DVD Chapter Skip, VCD/CD Track Down or
Tuning Down Button
9. DVD Chapter Skip, VCD/CD Track Up or
Tuning Up Button
10. Power Indicator
11. Timer Set Indicator
12. Function Button
13. Tuner Band, Digital Input Button
14. Volume Up and Down Buttons
15. Headphone Socket
11 12 13 14 15
1 2 3 654 7 8 9 10
Display
1. Timer Play Indicator
2. Sleep Indicator
3. Playback Control Indicator
4. Audio Signal Indicators/Speaker Indicators
5. Programme indicator
6. Radio Text Indicator
7. Disc Indicator
8. RDS Indicator
9. VCD/CD Random Play Indicator
10. FM Stereo Receiving Indicator
11. VCD/CD Track Name Indicator
12. Traffic Programme Indicator
13. DVD Title Indicator
14. Traffic Announcement Indicator
15. VCD/CD Total Indicator
16. Dynamic PTY Indicator
17. EON Indicator
18. Programme Type Indicator
19. DVD Chapter Indicator
20. Traffic Information Indicator
21. DVD Angle Indicator
22. FM Stereo Mode Indicator
23. VCD/CD Repeat or Disc A - B Repeat Indicator
15 19 21 23
13
12 14 16 17 18 20 22
11
89
10
7
6
5
123
(11)
(13)
(8)
4
(9) (10)
(12)
(7)
(1) (2) (3)
(4)
(5) (6)
(1) Front Left Signal Indicator (8) Left Front Speaker Indicator
(2) Centre Signal Indicator (9) Centre Speaker Indicator
(3) Front Right Signal Indicator (10) Right Front Speaker Indicator
(4) Low Frequency Effect Indicator (11) Subwoofer Indicator
(5) Surround Left Signal Indicator (12) Left Surround Speaker Indicator
(6) Surround Monaural Signal
Indicator (13) Right Surround Speaker Indicator
(7) Surround Right Signal Indicator

SD-AT100H
– 6 –
SD-AT100H
Rear panel
1. Speaker Terminals
2. AV2 SCART Socket
3. AV1 (TV) SCART Socket
4. Video Output Selector Switch
5. Audio Digital Output Socket
6. Audio Digital Input Socket
7. FM 75 Ohms Aerial Socket
8. Aerial Earth Terminal
9. AM Loop Aerial Terminal
10. AC Power Input Socket
11. Cooling Fan
12. Mounting Holes for Wall Bracket (Optionally available)
13. Monitor Output Sockets
14. Video and Audio Input Sockets
15. Subwoofer Pre Output Socket
15
14
12
2
149
6
578
10
3
11 13
[Front]
Remote control
1. Remote Control Transmitter
2. On/Stand-by Button
3. VCD/CD Play Mode Select Button
4. TV On/Stand-by Button
5. TV Volume Up and Down Buttons
6. TV Input Select Button
7. Tuner (Band) Button
8. Function Buttons
9. Disc Fast Reverse, Tuner Preset Down Button
10. DVD Chapter Skip, VCD/CD Track Down Button
11. Enter Button
12. Volume Up and Down Buttons
13. Return Button
14. DVD Zoom Button
15. TV Display Select Button
16. Disc Cover Open/Close Button
17. Sound Mode Select Buttons
18. Dynamic Sound Select Button
19. Main Unit Display Select Button
20. TV Channel Select Buttons
21. Disc Play or Pause Button
22. Disc Stop Button
23. Disc Fast Forward, Tuner Preset Up Button
24. DVD Chapter Skip, VCD/CD Track Up Button
25. Cursor Button
26. Extra Bass Button
27. DVD Top Menu Button
28. DVD Menu Button
12
11
1
2
3
4
5
6
8
7
9
10
13
14
15
16
17
20
19
21
22
23
26
27
28
24
25
18
Buttons with " " mark in the illustration can be operated on the remote control
only.
Other buttons can be operated both on the main unit and the remote control.

– 7 –
SD-AT100H
SD-AT100H
[Back]
Remote control
1. RDS EON or DVD Subtitle Button
2. RDS Display Mode Selector or Playback Control Button
3. Disc A - B Repeat Button
4. DVD/VCD Digital Gamma Button
5. DVD/VCD Frame Advance Button
6. Direct Button
7. Programme Button
8. Clear Button
9. DVD Initial Setting Button
10. Amplifier Initial Setting Button
11. Timer Button
12. Return Button
13. VCR On/Stand-by Button
14. VCR Channel Select Buttons
15. RDS Programme Type/Traffic Information Search or
DVD Angle Button
16. RDS ASPM (Auto Station Programme Memory) or
DVD Sound Select Button
17. DVD/VCD Super Picture Button
18. Disc Play or Pause Button
19. DVD/VCD Slow Button
20. Direct Number Buttons
21. Enter Button
22. Cursor Buttons
23. VCR Stop Button
24. VCR Play Button
25. VCR Fast Forward Button
26. VCR Rewind Button
27. Sliding Cover
11
10
1
2
3
4
5
6
7
8
9
12
13
14
15
16
17
18
19
20
22
23
24
25
26
27
21
Buttonswith" "markin theillustrationcanbe operatedontheback oftheremote
control. Other buttons can be operated on both sides of the remote control only.
1. Tweeter
2. Woofer
3. Mounting Holes for Stand or Bracket (Optionally available)
4. Speaker Terminals
1. Woofer
2. Tweeter
3. Mounting Holes for Stand or Bracket (Optionally available)
4. Speaker Terminals
1. Woofer
2. Mounting Holes for Stand or Bracket (Optionally available)
3. Speaker Terminals
1. Bass Reflex Duct
2. Woofer
3. Speaker Terminals
Front Back
1
23
4
124
3
Front Back
Front Back
12
3
21 3
Front Side Back
Front Speaker
Center Speaker Subwoofer
Surround Speaker

SD-AT100H
– 8 –
OPERATION MANUAL
Speaker connection
Front speaker
(right) Front speaker (left)
Surround speaker
(right)
Black
Blue
Blue
Red
Black
White
White
Red
Black
Red
Black
Red
Red
Red
Green
Green
Purple
Grey
Grey
Surround speaker
(left)
Centre
speaker
Subwoofer
You can connect
separately available
woofer to enjoy more
of the bass sound.
Black Red
Purple
Black
Red
Setting the clock
By setting the unit on time, you can use it not only as a clock but also for timer play-
back.
[Back]
In this example, the clock is set for 9:30.
To confirm the time display:
[When the unit is in the stand-by mode]
Press the DISPLAY button on the remote control.
The time display will appear for about 5 seconds.
[When the power is on]
Press the TIMER button.
Within 10 seconds, press the or button to select "CLOCK".
The time display will appear for about 10 seconds.
Caution:
Unplugging the unit or power failure will clear the clock setting.
Readjust the clock.
To readjust the clock:
Perform "Setting the clock" from the beginning.
In step 2, "TIMER STANDBY" appears.
In step 3, press the or button to select "CLOCK", and the press the ENT but-
ton.
1
Press the ON/STAND-BY button to turn the power on.
2
Press the TIMER button.
3
Within 10 seconds, press the or button to select "ADJUST",
and then press the ENT button.
4
Press the or button to adjust the hour
and then press the ENT button.
Press the or button once to advance the time by 1 hour. Hold it down to ad-
vance continuously.
5
Press the or button to adjust the min-
utes and then press the ENT button.
Press the or button once to advance the time by 1 minute. Hold it down
to advance continuously.
The hour will not advance even if minutes advance from "59" to "00".
The clock starts from "0" second. (Seconds are not displayed.)

– 9 –
SD-AT100H
Using the Radio Data System (RDS)
RDS is a broadcasting service which a growing number of FM stations provide.
These FM stations send additional signals along with their regular programme
signals. They send their station names, and information about the type of pro-
gramme such as sports or music, etc.
When tuned to an RDS station, "RDS" and the station name will be displayed.
"TP" (Traffic Programme) will appear on the display when the received broadcast car-
ries traffic information, and "TA" (Traffic Announcement) will appear whilst a traffic
information is on air.
"EON" will appear whilst the EON (Enhanced Other Networks information) data is
broadcast.
"PTYI" (Dynamic PTY Indicator) will appear whilst the Dynamic PTY station is
received.
"RT" (Radio Text) will appear whilst the unit receives the Radio text data.
You can control the RDS by using the remote control only.
Information provided by RDS
Each time the DISPLAY button is pressed, the display will switch as follows:
When you are tuning in to a station other than an RDS station or to an RDS station
which sends weak signal, the display will change in the following order:
[Front] [Back]
Station name (PS) Frequency
Programme type (PTY) Radio text (RT)
NO PS NO PTY
FM 98.80 MHz NO RT
Descriptions of the PTY (Programme Type) codes, TP (Traffic Programme) and
TA (Traffic Announcement).
You can search for and receive the following PTY, TP and TA signals.
Note:
When you select a programme in the EON stand-by mode, the unit will display "TI"
instead of "TA".
News Short accounts of facts, events and publicly expressed views, report-
age and actuality.
Affairs Topical programme expanding or enlarging upon the news, generally
in different presentation style or concept, including debate, or analy-
sis.
Info Programmes whose purpose is to impart advice in the widest sense.
Sport Programme concerned with any aspect of sport.
Educate Programme intended primarily to educate, of which the formal ele-
ment is fundamental.
Drama All radio plays and serials.
Culture Programmes concerned with any aspect of national or regional cul-
ture, including language, theatre, etc.
Science Programmes about the natural sciences and technology.
Varied Used for mainly speech-based programmes usually of light-entertain-
ment nature, not covered by other categories. Examples include:
quizzes, panel games, personality interviews.
Pop M Commercial music, which would generally be considered to be of cur-
rent popular appeal, often featuring in current or recent record sales
charts.
Rock M Contemporary modern music, usually written and performed by
young musicians.ung musicians.
Easy M Current contemporary music considered to be "easy-listening", as op-
posed to Pop, Rock or Classical, or one of the specialised music
styles, Jazz, Folk or Country. Music in this category is often but not
always, vocal, and usually of short duration.
Light M Classical music for general, rather than specialist appreciation. Ex-
amples of music in this category are instrumental music, and vocal or
choral works.
Classics Performances of major orchestral works, symphonies, chamber mu-
sic, etc., and including Grand Opera.
Other M Musical styles not fitting into any of the other categories. Particularly
used for specialist music of which Rhythm & Blues and Reggae are
examples.
Weather Weather reports and forecasts and meteorological information.
Finance Stock Market reports, commerce, trading, etc.
Children For programmes targeted at a young audience, primarily for entertain-
ment and interest, rather than where the objective is to educate.
Social Programmesaboutpeopleand things thatinfluencethem individually
or in groups. Includes: sociology, history, geography, psychology and
society.
Religion Any aspect of beliefs and faiths, involving a God or Gods, the nature
of existence and ethics.
Phone In Involving members of the public expressing their views either by
phone or at a public forum.
Travel Features and programmes concerned with travel to near and far des-
tinations, package tours and travel ideas and opportunities. Not for
use for announcements about problems, delays, or roadworks affect-
ing immediate travel where TP/TA should be used.
Leisure Programmes concerned with recreational activities in which the listen-
er might participate. Examples include, Gardening, Fishing, Antique
collecting, Cooking, Food & Wine, etc.
Jazz Polyphonic, syncopated music characterised by improvisation.
Country Songs which originate from, or continue the musical tradition of the
American Southern States. Characterised by a straightforward melo-
dy and narrative story line.
Nation M Current Popular Music of the Nation or Region in that country's lan-
guage, as opposed to International 'Pop' which is usually US or UK
inspired and in English.
Oldies Music from the so-called "golden age" of popular music.
Folk M Music which has its roots in the musical culture of a particular nation,
usually played on acoustic instruments. The narrative or story may be
based on historical events or people.
Document Programme concerned with factual matters, presented in an investi-
gative style.
TEST Broadcast when testing emergency broadcast equipment or receiv-
ers.
Alarm ! Emergencyannouncement madeunderexceptionalcircumstancesto
give warning of events causing danger of a general nature.
None No programme type (receive only).
TP Broadcasts which carry traffic announcements.
TA Traffic announcements are being broadcast.

SD-AT100H
– 10 –
Troubleshooting chart
Many potential problems can be resolved by the owner without calling a service tech-
nician.
If something is wrong with this product, check the following before calling your author-
ised SHARP dealer or service centre.
General
Tuner
Symptom Possible cause
No sound is heard. Is the volume level set to "0"?
Are the headphones connected?
Are the speaker wires disconnect-
ed?
Is the speaker size set to NO (OFF)?
The sounds from speakers
are not well balanced. Are the speaker leads connected to the wrong channels?
Is each speaker placed at the same
distance from the listener?
Are speakers adjusted to the same
level?
Noise is heard during play-
back. Move the unit away from any com- puters or mobile phones.
When a button is pressed,
the unit does not respond. Set this unit to the power stand-by mode and then turn it back on. If the
unit still malfunctions, reset it.
Interference or noise occurs
on the TV image. Is the unit placed near TV with inter- nal aerial? Use an external aerial.
Timer playback does not
start. Did you remove the plug from the wall socket, or did a power failure
occur?
The display on the unit is
dark. Hold down the DISPLAY button on the remote control for 2 seconds or
more to select "DIMMER OFF".
Symptom Possible cause
The power is not turned on. Is the unit unplugged?
The protection circuit may be acti-
vated. Unplug the unit and plug it in
again.
The sound is not reproduced
in the Dolby Digital 5.1 ch. Is the "Audio setting" on the initial setup screen set to "D-PCM"?
Change it to "BITSTREAM".
The sound is not reproduced
in the MPEG multichannel. Is the "Audio setting" on the initial setup screen set to "PCM"? Change
it to "BITSTREAM".
No images are displayed. Is TV turned on?
Is the input of TV switched?
Is the VIDEO OUT SELECTOR
switched to the connected source?
The sound is not recorded
with VCR. Is the sound mode set to "STER- EO"?
Symptom Possible cause
Radio makes unusual noise
consecutively. Is the unit placed near the TV or computer?
Is the FM aerial or AM loop aerial
placed properly? Move the AC pow-
er lead on the unit away from the
aerial if located near.
DVD/CD player Remote control
Condensation
Symptom Possible cause
Even though a disc has been
loaded, "NO DISC" or "NO
PLAY" is displayed.
Is the disc loaded upside down?
Is the disc very dirty?
Playback sounds are
skipped. Does the disc satisfy the standards?
Is the unit located near excessive vi-
brations?
Has condensation formed inside the
unit?
The track number, etc. are
not displayed when a disc is
loaded.
Is the input not set to DVD?
The control buttons do not
function. Music or video play-
back is interrupted.
Is the disc very dirty?
Does the disc satisfy the standards?
Is the unit located near excessive vi-
brations?
Has condensation formed inside the
unit?
Pictures and sound are
skipped. Is the disc very dirty?
Is the unit located near excessive vi-
brations?
Has condensation formed inside the
unit?
The unit does not operate
even if the power is on. Is a disc other than DVD (region number2 orALL), videoCDoraudio
CD loaded?
Image cannot be played
back. (Sound is not heard.) Are the video and audio cables con- nected improperly?
Is a disc other than DVD (region
number2 orALL), videoCDoraudio
CD loaded?
Is the disc very dirty?
Is the disc loaded upside down?
Clean the optical pickup if it is dirty.
Is the TV input set to "VIDEO 1/VID-
EO 2" etc.?
Is the unit turned on?
Symptom Possible cause
The remote control does not
operate properly. Is the battery polarity respected?
Are the batteries dead?
Is the distance or angle incorrect?
Arethereany obstructionsin front of
the unit?
Is the remote control sensor ex-
posed to strong light (inverter fluo-
rescent light, direct sunlight, etc.)?
Is the remote control for another
equipment used simultaneously?
Are buttons on the front and back
faces of the remote control pressed
simultaneously?
The unit cannot be turned on
with the remote control. Is the AC power lead of the unit plugged in?
Are the batteries inserted?
Sudden temperature changes, storage or opera-
tion in an extremely humid environment may
cause condensation inside the cabinet (laser
pickup, etc.) or on the transmitter on the remote
control.
Condensation can cause the unit to malfunction.
If this happens, leave the power on with no disc
in the unit until normal playback is possible
(about 1 hour). Wipe off any condensation on the
transmitter with a soft cloth before operating the
unit.
Troubleshooting chart

– 11 –
SD-AT100H
Troubleshooting chart (continued)
If trouble occurs
When this product is subjected to strong external interference (mechanical shock,
excessive static electricity, abnormal supply voltage due to lightning, etc.) or if it is
operated incorrectly, it may malfunction.
If such a problem occurs, do the following:
Clearing all the memory (reset)
Caution:
This operation will erase all data stored in memory and restore various settings to the
initial status (default).
Before transporting the unit
1 Press the ON/STAND-BY button to turn the power on.
2 Open the disc compartment and remove the disc.
3 Close the disc compartment and enter the unit to stand-by mode.
4 After the power indicator goes off, unplug the unit.
1 Unplug the unit.
2 Whilst holding down the ON/STAND-BY button, plug in the AC power lead.
At this time, the unit will not be turned on.
3 Press the ON/STAND-BY button again to turn the power on.
Remote control
Test of the remote control
Face the remote control directly to the remote sensor on the unit.
The remote control can be used within the range shown below:
Press the ON/STAND-BY button. Does the power turn on? Now, you can enjoy your
system.
0.2 m - 6 m
(8" - 20')
Remote sensor
Error indicators and warnings
When you load an unplayable disc or fail to perform operations properly, the following
messages are displayed on the unit and the TV screen.
Display Meaning
The disc is not loaded.
The disc is scratched or dirty and cannot be recog-
nised.
The disc is loaded up-side down.
The disc is scratched or dirty and cannot be played.
The disc does not satisfy the standards.
The disc is scratched or dirty and data cannot be
read.
The disc does not satisfy the standards.
The optical pickup cannot be located.
Setthisunittothe stand-bymodeandturnthe power
on again. (*)
TheunitconsiderstheDVD mechanismisdefective.
Place the unit away from noise source or plug the
AC power lead to another AC socket. (*)
The TV screen does not display correctly.
Place the unit away from noise source or plug the
AC power lead to another AC socket. (*)
The digital audio input socket is not connected prop-
erly.
Unspecified signal is received and cannot be recog-
nised.
The temperature is too high.
Set this unit to the stand-by mode and wait for a
while.
The speaker is not connected properly.
The amplifier is defective.
Setthisunittothe stand-bymodeandturnthe power
on again. (*)
The amplifier is defective.
Setthisunittothe stand-bymodeandturnthe power
on again. (*)
Display Meaning
The amplifier is defective.
Place the unit away from noise source or plug the
AC power lead to another AC socket. (*)
Thecoolingfanonthe backofthemainunit doesnot
run due to foreign objects caught in it.
Set this unit to the stand-by mode and remove the
foreign objects around the fan.
(*): Should the same message appear even if the unit is unplugged and plugged in or
is set to the stand-by mode and on again, contact your local dealer where you pur-
chased the unit.
TV screen Meaning
The disc cannot be played with this unit or the
disc is loaded in an incorrect way.
The region number of the DVD is not 2 or ALL.
A disc has not been loaded.
You are trying to perform an incorrect oper-
ation.
The operation is prohibited.
The disc does not support the operation de-
scribed in this operation manual.
C
01
83/
15/0
::23 40
WRONG D CIS T EYP
C
01
83/
15/0
::23 40
REG NIO DCO E RER OR
C
01
83/
15/0
::23 40
NO DISC
SELECT
BITRATE Mbps
00 10
ENTER
O
1
N
ON
ON
hc15 .
ENTER
RETURN
S
G
NOT
LAL OWED
SELECT
BITRATE Mbps
00 10
ENTER
O
1
N
ON
ON
hc15 .
ENTER
RETURN
S
G
ACC SES
NDE I ED

SD-AT100H
– 12 –
QUICK GUIDE (FOR U.K. ONLY)

– 13 –
SD-AT100H

SD-AT100H
– 14 –

– 15 –
SD-AT100H
1 Side Cabinet 1. Screw ..................... (A1) x4 15-1
(Left/Right) 2. Pulled to the arrow direction front
2 Top Cabinet 1. Screw ..................... (B1) x3 15-1
3 Top panel 1. Screw ..................... (C1) x3 15-1
2. moved to the left of the arrow
direction .
4 DSP PWB/ 1. Screw ..................... (D1) x6 15-2
Shield Case 2. Socket .................... (D2)x 5
3. Flet Cable .............. (D3) x2
5 Rear Panel/Tuner 1. Screw ......................(E1) x8 15-2, 3
Unit 2. Top Bracket ........... (E2) x2 15-2
3. Flat Cable .............. (E3) x1 15-3
6 Speaker A PWB 1. Socket ..................... (F1) x8 15-3
2. Screw ...................... (F2) x4
3. Flet Cable ............... (F3) x1
7 Main PWB 1. Socket .................... (G1) x5 15-3
2. Screw ..................... (G2) x8
3. Socket .................... (G3) x1
4. Flat Cable .............. (G4) x3
8 DVD Servo PWB 1. Screw ..................... (H1) x4 16-1
(Note 1) 2. Socket .................... (H2) x1
3. Flat Cable .............. (H3) x1
9 Front Panel 1. Screw ..................... (J1) x6 16-1
2. Socket .................... (J2) x5 16-2, 3
10 Display PWB 1. Screw ......................(K1) x9 16-2
11 DVD Mechanism 1. Screw...................... (L1) x4 16-2
12 1 Bit Amp. Unit 1. Screw ..................... (M1) x5 16-3
13 Power A/B PWB 1. Screw ..................... (N1) x5 16-3
14 1 Bit Amp. Shield 1. Screw ....................(P1) x23 16-4
Cover 2. 1 Bit Amp.Bracket ...(P2) x1
3. Heat Sink ................(P3) x3
15 1 Bit Amp. PWB 1. Screw ................... (Q1) x12 16-5
DISASSEMBLY
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3.Take off nylonbands orwire holders wherethey need to
beremovedwhendisassemblingtheunit.Afterservicing
theunit, be sure to rearrangethe leadswhere they were
before disassembling.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
Figure 15-2
STEP REMOVAL PROCEDURE FIGURE
Figure 15-1
SD-AT100H
SD-AT100H
Front Panel
Top Panel
Top Cabinet
Side Cabinet
(Left)
Side Cabinet
(Right)
Pull
Pull
Rear Panel
(C1)x3
ø3x8mm
(B1)x3
ø3x8mm
(A1)x2
ø3x8mm
(A1)x2
ø3x8mm
(E1)x4
ø3x8mm
(E1)x1
ø3x8mm
(D1)x2
ø3x8mm
(D1)x1
ø3x8mm
(D1)x1
ø3x8mm
(E2)x1
(E2)x1
(D3)x1
(D2)x2
(D2)x3
DSP PWB
Shield Case
Front Panel
Rear Panel
(D1)x2
ø3x8mm
(D3)x1
Figure 15-3
* (Note 1)
After pulling out the optical pickup connector, wrap the tip of it with
conductivealuminium foilor thelike toprotect theoptical pickupfrom
the static electricity.
(F2)x4
ø3x8mm
(G2)x4
ø3x10mm
(F1)x1
(F1)x1
(G3)x1
(G4)x2
(G1)x1
(G1)x4
(E3)x1
(F3)x1
(F1)x2 (F1)x2
(F1)x1
Speaker A
PWB
Main PWB
Front
panel
Lug
Tuner Unit
(G4)x1
(G2)x4
ø3x10mm
(E1)x2
ø3x8mm
(E1)x1
ø3x6mm
(F1)x1

SD-AT100H
– 16 –
Figure 16-1
Figure 16-2
Figure 16-3
Figure 16-5
Figure 16-4
(H1)x2
ø3x10mm
(H1)x1
ø3x8mm
(H1)x1
ø3x6mm
(J1)x4
ø3x8mm
(J1)x1
ø3x8mm
(J1)x1
ø3x8mm
DVD
Servo PWB
(H3)x1
(H2)x1
DVD Mechanism
Front Panel
Pull Pull
Gear Boox
Ass'y
(K1)x1
ø3x8mm
(K1)x8
ø3x8mm
Display PWB
(J2)x3
DVD Mechanism
Front Panel
Gear Box
Ass'y
DVD Servo
PWB Bracket
(L1)x4
ø2.6x12mm
Power B PWB
Power A PWB
(M1)x2
ø3x8mm
(M1)x3
ø3x8mm
(N1)x2
ø3x12mm
(N1)x1
ø4x8mm
(N1)x1
ø3x12mm
(J2)x2
1-Bit Amp.
Unit
(N1)x1
ø3x12mm
(P1)x1
ø3x8mm
(P1)x12
ø3x8mm
(P1)x2
ø3x8mm
(P1)x4
ø3x6mm
(P3)x2
(P3)x1
(P2)x1
Washer
Washer
Shield Cover
(P1)x1
ø3x6mm
(P1)x1
ø3x8mm
(P1)x1
ø3x8mm
(P1)x1
ø3x8mm
(Q1)x12
ø3x10mm
1-Bit Amp. PWB
Silicon Grease
(A1)x3
ø3x12mm
(A1)x1
ø3x24mm
Rear Cabinet
Ass'y
1 Front panel 1. Screw ..................... (A1) x4 16-6
2 Woofer 1. Screw ..................... (B1) x4 17-1
3 Tweeter 1. Screw ..................... (C1) x2 17-1
STEP REMOVAL PROCEDURE FIGURE
Front speaker
Figure 16-6

– 17 –
SD-AT100H
Figure 17-2
Figure 17-6
Figure 17-1
Figure 17-4
Figure 17-3
(C1)x2
ø3x12mm
(B1)x4
ø3x12mm
Front Panel
Tweeter
Tweeter
Holder
Woofer
(A1)x3
ø3x12mm (A1)x1
ø3x24mm
Rear Cabinet
Ass'y
1 Front panel 1. Screw ..................... (A1) x4 17-2
2 Woofer 1. Screw ..................... (B1) x4 17-3
3 Tweeter 1. Screw ..................... (C1) x2 17-3
STEP REMOVAL PROCEDURE FIGURE
Center speaker
(C1)x2
ø3x12mm
(B1)x4
ø3x12mm
Front Panel
Woofer
Tweeter
1 Front panel 1. Screw ..................... (A1) x4 17-4
2 Speaker 1. Screw ..................... (B1) x4 17-5
STEP REMOVAL PROCEDURE FIGURE
Surround speaker
(A1)x3
ø3x12mm
(A1)x1
ø3x24mm
Rear
Cabinet Ass'y
(B1)x4
ø3x12mm
Front Panel
Speaker
Figure 17-5
After removing the screws, insert a folded name card or the
like in the gap to detach the front panel and the rear cabinet
without damaging them.

SD-AT100H
– 18 –
1 Subwoofer 1. Net Frame Ass'y .... (A1) x1 18-1
(Note 1) 2. Screw ..................... (A2) x4
STEP REMOVAL PROCEDURE FIGURE
Subwoofer
(A2)x4
ø4x12mm
(A1)x1 Subwoofer
Speaker Boox
Hole
Hole
Net
Front Panmel
Bind a cloth around the driver.
(Be careful not to damage
the net.)
Screwdrivre
Figure 18-1
Push
DVD/CD Lid
(A1)
Figure 18-2
How to remove CD/DVD (See Fig. 18-2)
1. Remove the side cabinet (left) and lower the CD up lever
(A1) in the direction of the arrow.

– 19 –
SD-AT100H
REMOVING AND REINSTALLING THE MAIN PARTS
Figure 19-1 Figure 19-2
Figure 19-4
How to Remove the DVD/CD lid motor
(See Fig. 19-1 and 19-2)
1. Remove the front panel.
(Refer to the disassembly method on pages 15 and 16.)
2. Remove the screws (A1) x 5 pcs.
3. Remove the CD lid gear unit from the front panel.
4. Remove the screws (A2) x 2 pcs. to remove the CD lid
motor.
Caution:
Be careful not to damage the gear.
(If the gear is damaged, noise is heard when searching.)
(A2)x2
ø2x4mm
DVD/CD Lid
Motor
Gear Box Ass'y
Gear Box Ass'y
DVD/CD Lid
Panel
(A1)x5
ø3x10mm
WIRING PROCESS DIAGRAM
1-BIT SECTION
Fix the wires with nylon bands as shown.

SD-AT100H
– 20 –
ADJUSTMENT
TO SPEAKER A
PWB TO DVD SERVO PWB
FROM FAN MOTOR
FROM
DISPLAY PWB
FROM
DVD PWB
TO DSP PWB
TO
1-BIT AMP. PWB
TO DSP PWB
FROM
HEADPHONES PWB
FROM
SUBWOOFER
OUT PWB
CP5001
CNS503
CNV01
CNP503
CNP505
CNP502
CNSE02
CP6001
CNPV02 CNP506
CNS306
CNP508
CNS101
CNP504
CNS505
CNS504
CNS506
CNP306
CNS106A
TO
1-BIT AMP. PWB
CNS106B
TO
1-BIT AMP. PWB
CNS106C
CNP101
FROM
POWER A PWB
TO MAIN PWB
FROM
1-BIT AMP. PWB
FROM
1-BIT AMP. PWB
FROM
1-BIT AMP. PWB
FROM
1-BIT AMP. PWB
FROM
1-BIT AMP. PWB
FROM DISPLAY PWB
TO SPEAKER B PWB
CNP708
CNP709
CNP714
CNSE07
CNSA110F
CNSA110D CNSA110B CNSA111C
FROM
1-BIT AMP. PWB
CNSA111A
CNSA111B
CNP705
CNP707
CNP706 CNP701 CNP703 CNP702 CNP704
CNS902
CNP503
CNS503
• Adjustment preparation
After removing the rear panel, perform adjustment with connectors connected.