Sharp DV-L88S/S Manual de usuario
DV-L88S/S(H)
DV-L88W/W(A)
1
S31R1DV-L88S/
SERVICE MANUAL
Page
1. IMPORTANT SAFEGUARDS AND PRECAUTIONS ........................................................................ 2
2. FEATURES........................................................................................................................................ 4
3. SPECIFICATIONS ............................................................................................................................. 4
4. PART NAMES.................................................................................................................................... 6
5. DISASSEMBLY METHOD ................................................................................................................. 7
6. ADJUSTMENT METHOD ................................................................................................................ 10
7. TEST MODE .................................................................................................................................... 17
8. TROUBLESHOOTING..................................................................................................................... 20
9. BLOCK DIAGRAMS......................................................................................................................... 24
10. SCHEMATIC DIAGRAMS................................................................................................................ 32
11. PRINTED WIRING BOARD ASSEMBLIES ..................................................................................... 52
12. REPLACEMENT PARTS LIST ........................................................................................................ 63
13. PACKING OF THE SET................................................................................................................... 78
CONTENTS
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
originalconditionandonlyparts identical to those specified
be used.
MODELS DV-L88S/S(H)
DV-L88W/W(A)
SERVICE MANUAL PORTABLE DVD VIDEO PLAYER MODELS DV-L88S/S(H)/W/W(A)
PORTABLE DVDVIDEO PLAYER
SHARP CORPORATION
NTSC/PAL
DV-L88S/S(H)
DV-L88W/W(A)
2
1. IMPORTANT SAFEGUARDS AND PRECAUTIONS
Note:
This Player can be used only where the power supply is AC 110V-240V,
50/60Hz. It cannot be used elsewhere.
CAUTION:
USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF
PROCEDURES OTHERTHANTHOSE SPECIFIED HEREIN MAY
RESULT IN HAZARDOUS RADIATION EXPOSURE.
ASTHE LASER BEAM USED INTHIS PLAYER IS HARMFULTOTHE
EYES, DO NOT ATTEMPTTO DISASSEMBLETHE CABINET. REFER
SERVICINGTO QUALIFIED PERSONNEL ONLY.
WARNING:
TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSETHIS PLAYERTO RAIN OR MOISTURE.
TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK, AND
ANNOYING INTERFERENCE, USETHE RECOMMENDED
ACCESSORIES ONLY.
Laser Diode Properties
for DVD disc Play for CD,Video CD disc Play
Material: AlGaInP Material: AlGaAs
Wave length: 650 nm Wave length: 780 nm
Emission duration: Continuous Emission duration: Continuous
Laser output: Max. 0.7 mW
Laser output: Max. 0.7 mW
•This Player is classified as a CLASS 1 LASER product.
•“CLASS 1 LASER PRODUCT” label is located at the bottom of the
Player.
•The laser caution labels are located at the bottom of the Player and
printed in the disc compartment.
•This product contains a low power laser device.
To ensure continued safety do not remove any cover or attempt to gain
access to the inside of the product. Refer all servicing to qualified
personnel.
CAUTION : VISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN
AND INTERLOCKS DEFEATED. DO NOT STARE INTO BEAM OR VIEW
DIRECTLY WITH OPTICAL INSTRUMENT.
VARNING : SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA DEL
ÄR ÖPPNAD OCH SPÄRRAR ÄR URKOPPLADE. STIRRA EJ IN I
STRÅLEN OCH BETRAKTA EJ STRÅLEN GENOM OPTISKA INSTRUMENT.
VARO : AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA
NÄKYVÄÄ JA NÄKYMÄTÖN LASERSÄTEILYLLE. ÄLÄ TUIJOTA SÄTEESEEN
ÄLÄKÄ KATSO SITÄ OPTISEN LAITTEEN LÄPI.
ADVARSEL : SYNLIG OG USYNLIG LASERSTRÅLNING NÅR DEKSEL ÅPNES
OG SIKKERHEDSLÅS BRYTES.STIRR IKKE INN I STRÅLEN ELLER SE
DIREKTE MED OPTISKE INSTRUMENTER.
ADVARSEL : SYNLIG OG USYNLIG LASERSTRÅLNING VED ÅBNING, NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION. SE IKKE IND I
STRÅLENHELLER IKKE MED OPTISKE INSTRUMENTER.
CLASS 1
LASER PRODUCT
CAUTION
VISIBLE AND INVISIBLE LASER RADIATION
WHEN OPEN AND INTERLOCKS DEFEATED.
DO NOT STARE INTO BEAM OR VIEW
DIRECTLY WITH OPTICAL INSTRUMENT.
DO NOT DEFEAT THESE INTERLOCKS.
WARNING
DV-L88S/S(H)
DV-L88W/W(A)
3
åå
åå
åCAUTION
BEFORE BATTERY DESTROY
The RBRCTM Seal
SHARPparticipatesintheRBRCTM*Nickel-CadmiumBatteryRecyclingProgramintheUnitedStates.TheRBRCTM
Seal on our battery pack contained in our product indicates that SHARP is voluntarily participating in an industry
program to collect and recycle these batteries. The RBRCTM program provides you with a convenient alternative
to placing spent Nickel-Cadmium battery packs into the trash or municipal waste stream, which is illegal in some
areas.Attheendoftheirusefullife,theNickel-Cadmiumbatterycanbedroppedoffatthenearestcollectioncenter
for recycling. For information on the nearest collection center, call 1-800-8-BATTERY or your local recycling
center.IfyouarelocatedoutsidetheUnitedStates,contactyourlocalauthoritiesforinformationconcerningproper
disposaland/orrecyclingofthisbattery.SHARP'sinvolvementinthisprogramispartofourcommitenttoprotecting
our environment and conserving natural resources.
[Footnote] *RBRCTM is a trademark of the Rechargeable Battery Recycling Corporation.
ËË
ËË
ËNICKEL-METAL HYDRIDE BATTERY
ËË
ËË
ËLITHIUM or LITHIUM-ION BATTERY
ËË
ËË
ËSEALED LEAD BATTERY
Battery disposal
Contains the above Rechargeable Battery. must be recycled or disposed of properly.
Remove the Battery from the products and contact Federal or State Environmental Agencies for information on
recycling and disposal options.
DV-L88S/S(H)
DV-L88W/W(A)
4
2. FEATURES
This Player can play back DVD video discs, VIDEO CDs and Audio CDs.
• CD-R/CD-RW recorded in MP3 file format can also be played.
8" LCD Screen and Stereo Speakers
• A big 8" LCD screen and built-in stereo speakers provide exciting DVD viewing, even without connecting to a TV.
2-WAY Power Supply
• A 2-way power supply allows operation using the supplied AC adapter for indoor play, or the battery pack (optional
accessory) for outdoor play.
Compact, Lightweight Design
• Your Player is designed to go along just about anywhere.
High-Resolution Images, High-Quality Sound
• A high-resolution 336,960-pixel LCD screen produces images of outstanding quality.
• DIGITAL GAMMA correction and DIGITAL SUPER PICTURE provide more realistic image detail.
• VIRTUAL DOLBY (*1QSURROUND) ensures richer sound from two built-in speakers.
AV input/output, optical digital output jack equipped as standard
•An opticaldigital outputjack (whichdoubles asthe phones jack)can beused tooutput astream of *2DolbyDigital 5.1
channel audio, *3DTS digital audio and MPEG audio. Connecting a Dolby Digital/DTS/MPEG Audio digital surround
processor or amplifier to this jack creates an environment of amazingly powerful surround sound.
• The AV input/output jack can be used to connect a VCR or camcorder to your Player. Or you can use these jacks to
connect to a TV for big-screen viewing.
*1QSURROUNDTM is a trademark of QSound Labs, Inc.
*2Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol ( ) are trademarks of
Dolby Laboratories.
*3"DTS" and "DTS Digital Surround" are trademarks of Digital Theater Systems, Inc.
3. SPECIFICATIONS
Product: Portable DVD Video Player
Models: DV-L88S/S(H)/W/W(A)
Signal System: NTSC/PAL
Supported Disc Types: DV-L88S/S(H): DVD (Region Number 2, ALL), VIDEO CD, Audio CD,
CD-R, CD-RW
DV-L88W/W(A):DVD (Southeast Asia: Region Number 3, ALL/Australia
and New Zealand: Region Number 4, ALL), VIDEO CD,
Audio CD, CD-R, CD-RW
Video Input/Output: Input/Output Jack: Pin jack × 1
Input/Output Levels: 1Vp-p (75Ω)
S-Video Input/Output: Y Input/Output Level: 1Vp-p (75Ω)
C Input/Output Level: 0.286Vp-p (75Ω)
Input/Output Jack: S connector × 1
Audio Input/Output: Input/Output Jack: Pin jack × 1
Input/Output Levels: 1.7Vrms (1kHz, 0dB)
Digital Audio Interface: Optical Digital Output: Mini jack (shared with Headphones Output)
Audio Output: 0.8W + 0.8W
Headphones Output: Output Jack: Mini jack (stereo) (shared with Optical Digital Output)
Display: Screen Size: 8 inches (99.2 (H) × 176.4 (W) mm)
Type: Transmissive TN liquid crystal panel
Drive: TFT (thin transistor) active matrix
Pixels: 336,960 (234 (H) × 480 (W) × 3)
Effective Pixel Rate: 99.99% minimum
Speakers: Two 28mm round speakers
Light Source: Internal (fluorescent)
DV-L88S/S(H)
DV-L88W/W(A)
5
Video Signal: Horizontal Resolution: 500 lines (DVD)
S/N Ratio: 60 dB
Audio Signals: Frequency Characteristics:
Linear PCM DVD: 4Hz to 22kHz (48kHz sampling)/
4Hz to 44kHz (96kHz sampling)
CD: 4Hz to 20kHz (EIAJ)
(MPEG Audio Version 2.0)
S/N Ratio: CD: 115dB 1kHz (EIAJ) (DV-L88S/S(H))
CD: 96dB 1kHz (EIAJ) (DV-L88W/W(A))
Dynamic Range: Linear PCM DVD: 96dB (EIAJ)
CD: 96dB (EIAJ)
Total Harmonic Distortion Ratio: 0.006% maximum (EIAJ)
Power Requirements: AC Adapter: 10V DC
Battery Pack: 7.4V DC
Power Consumption: Main Power On: 16.5W average (12.5W without AC Adapter)
Main Power Off: 0.1W (without AC Adapter)
Standby mode: 1.1W (with AC Adapter)
Dimensions: 211 (W) × 174 (D) × 42.3 (H) mm
(except for projections)
Weight (approx.): 930g
Operating Temperature: 5°C to 35°C
Operating Humidity: 80% RH maximum
Storage Temperature: -20°C to 40°C
AC Adapter Specifications
Power Requirements: 110 to 240V AC, 50/60Hz
Rated Output: DVD Operation: 10V DC
Charging: 10V DC
Dimensions: 54 (W) × 98 (D) × 26.5 (H) mm
Weight (approx.): 120g
Battery Pack Specifications (Optional Accessory)
Model: BT-L300S
Type: Lithium-ion type
DC output: 7.4V
Capacity: 5100mAh
Operating temperature: 0°C to 40°C (charging: 10°C to 30°C)
Max. Dimensions: 59 (W) × 142.5 (D) × 20.5 (H) mm
without protruding parts
Weight (approx.): 285g
Specifications are subject to change without notice.
Weight and dimensions are approximate.
Digital Output (Linear PCM)
· The digital output format used in this Player is Linear PCM audio sampled at 44.1kHz or 48kHz.
Linear PCM sound for DVD discs sampled at 96kHz cannot be output digitally.
Check the disc jacket for information on the audio sampling used.
3-1. ACCESSORIES
Accessories: AC Cord x 1, CR2025 type lithium battery x 1, Remote Control Unit x 1, AC Adapter x 1,
Lithium-ion Battery Pack x 1, Headphone x 1, Video/Audio Cable x 1 (DV-L88W/W(A)),
Operation Manual x 1
DV-L88S/S(H)
DV-L88W/W(A)
6
4. PART NAMES
Player - Right side
Player - Rear
DC IN jack
VIDEO input/output
jack (yellow)
Only PAL signal can be input.
(NTSC signal cannot be input.)
OPERATE switch
S-VIDEO input/output
jack
AUDIO (R)
input/output jack (red)
AUDIO (L)
input/output jack (white)
DIGITAL OUT (OPTICAL)/
PHONES jack
Player - Front
Display panel
angle range: 0°-180°LCD screen
Speakers
Indicator lamp
î OPEN
Cursor buttons
('"\
|)
ENTER
RETURN
VOLUME –/
+
À/ à(SKIP)
Ë (STOP)
û (PLAY)
â (STILL/PAUSE)
180°
0°
SETUP/ADJ.
INPUT/DVD
Disc compartment
cover
Player - Bottom
.
Battery pack compartment (inside)
Battery pack compartment cover
“ RELEASE” tab
Remote Control Unit
OPERATE
TITLE
MENU
SETUP
ZOOM
PROGRAM DISPLAY VIEW MODE
DVDVIDEO PLAYER
RETURN
VIDEO ADJ.
ENTER
SHIFT
FUNCTION
–
VOLUME
+
INPUT
/DVD
LCD ON/OFF
Select/Enter Mode
ENTER
–
VOLUME
VOLUME
+
RETURN
VIEW MODE
LCD ON/OFF
à (SKIP)
À (SKIP)
è (FWD)
È (REV)
Ë (STOP)
û (PLAY)
â (STILL/
PAUSE)
SHIFT
INPUT/DVD
OPERATE
FUNCTION
TITLE
MENU
VIDEO ADJ.
SETUP
(F.ADV)
(SLOW)
ZOOM
PROGRAM
(REPEAT)
DISPLAY
• The operation buttons
have the following
Select/Enter functions
when Setup screen,
Function control screen or
another type of setting
screen is on the display.
DV-L88S/S(H)
DV-L88W/W(A)
7
5. DISASSEMBLY METHOD
5-1. DISASSEMBLY METHOD
1. Remove the nine screws 1.
2. Remove the six screws and remove the battery cover.
3. Six screws of the operate PWB fixed are removed from
the cabinet B bottom.
4. Lift the cabinet A, remove the connector.
5. Remove the mechanism ass'y and operate PWB.
6. Remove the one screw 2.
7. Remove the three connectors 3.
8. Remove the three screws 4.
9. Remove the LCD unit.
10. Remover the main PWB.
1
Cabinet A
Cabinet B
Operate PWB
Shield Tape
Mechanism Ass'y
2
4
Main PWB
4
LCD Unit
3
DV-L88S/S(H)
DV-L88W/W(A)
8
11. Remove the shield plate and power PWB from cabinet B.
12. Remove the power PWB and shield plate.
(Partly fixed with solder.)
13. Remove the four screws 5.
14. Cabinet C is slided in the direction of ¤, and lifted in the arrow
direction of ⁄, and removed.
Power PWB
Shield Tape
Shield Plate
Cabinet B
Cabinet C
5
¤ ⁄
Hinge L
Hinge R
7
87
6
15. Remove the connectors 6from the LCD PWB.
16. Remove the FFC 8from the connector.
17. Remove the three screws 7, and remove the hinge L, R.
DV-L88S/S(H)
DV-L88W/W(A)
9
LCD CTL PWB
Inverter Unit
Cabinet D
11
9
10
12
18. Remove the connectors 9and 0.
19. Remove the three screws q, and remove the LCD fixing angle.
20. Remove the LCD from the cabinet D.
21. Remover the LCD CTL PWB.
22. Remove the screw w.
23. Remove the inverter unit.
13
14
15
16 Cursor Buttons
Volume Key
Mode Key
Open Button
D. Cover Lock
Button Lock Spring
Lock Holder
24. Remove the one screw r.
25. Remove the one screw t.
26. Remove the disc cover eby pressing open button.
27. Remove the one screw y.
28. Remover the lock holder, button lock spring and D. cover lock.
29. Remove the mode key, volume key, cursor buttons and open button.
DV-L88S/S(H)
DV-L88W/W(A)
10
6. ADJUSTMENT METHOD
6-1. HARNESS LIST FOR SERVICE PARTS
Drawing for service jigs
Inverter PWB
QCNW-8152GEZZ
QCNW-8151GEZZ
QCNW-8558GEZZ
QCNW-8557GEZZ
CN1901
LCD CTL PWB
OPERATE
PWB
POWER
PWB
MAIN PWB
F
F
C
F
F
C
Panel
CN1900
CN1903 CN1902
CN5001
CN9901
CN802
CN801
CN301
CN6601
CN4402CN4401
CN1800
CN1801
CN1802
CN1904
912
10 9
12
10
Mechanism
QCNW-8562GEZZ QCNW-8564GEZZ
QCNW-8563GEZZ
QCNW-8565GEZZ
QCNW-8566GEZZ
DET LCD
CLOSE PWB
QCNW-8624GEZZ x4 99GFCKWB90751A
B
to
BB
to
B
B
to
B
99GFCKWB90751A
99GFCKWB90751A
99GFCKWB90751A
99GFCKWB90751A
99GFCKWB90751A
QCNW-8623GEZZ x2
CN83
CN81
CN82CN86
CN84
CN85
RF&MOTOR
PWB
Parts Code Price Code Remarks Parts Code Price Code Remarks
QCNW-8557GEZZ AE Spindle extension, 13-pin QCNW-8566GEZZ AD Operate PWB extension, 2-pin
QCNW-8558GEZZ AE Sled extension, 2-pin QCNW-8623GEZZ AZ
Main-RF&Motor extension, 25-pin
QCNW-8562GEZZ AK Power-LCD extension, 9-pin QCNW-8624GEZZ AX Main-Power extension, 15-pin
QCNW-8563GEZZ AK Power-LCD extension, 10-pin
99GFCKWB90751A BX —————
QCNW-8564GEZZ AK Power-LCD extension, 12-pin
QCNW-8151GEZZ
AQ Inverter extension, 6-pin
QCNW-8565GEZZ AE Operate PWB extension, 6-pin
QCNW-8152GEZZ
AQ LCD panel extension, 32-pin
Este manual sirve para los siguientes modelos
3
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