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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
SERVICE MANUAL
PORTABLE DVD VIDEO PLAYER
MODELS
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
NTSC/PAL
CONTENTS
SHARP CORPORATION
1
S31R1DV-L88S/
DV-L88S/S(H)
DV-L88W/W(A)
Page
DV-L88S/S(H)
DV-L88W/W(A)

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Summary of Contents for Sharp DV-L88S/S

  • Page 1: Table Of Contents

    DV-L88S/S(H) DV-L88W/W(A) SERVICE MANUAL S31R1DV-L88S/ PORTABLE DVD VIDEO PLAYER DV-L88S/S(H) DV-L88W/W(A) MODELS In the interests of user-safety (Required by safety regula- tions in some countries) the set should be restored to its original condition and only parts identical to those specified be used.
  • Page 2 DV-L88S/S(H) DV-L88W/W(A)
  • Page 3 SHARP participates in the RBRC * Nickel-Cadmium Battery Recycling Program in the United States. The RBRC 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 RBRC...
  • Page 4: Features

    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 ×...
  • Page 5 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)
  • Page 6: Part Names

    DV-L88S/S(H) DV-L88W/W(A) 4. PART NAMES Player - Front Player - Right side Display panel angle range: 0°-180° LCD screen Speakers Disc compartment 180° cover S-VIDEO input/output OPERATE switch SETUP/ADJ. jack VIDEO input/output 0° jack (yellow) INPUT/DVD Only PAL signal can be input.
  • Page 7: Disassembly Method

    DV-L88S/S(H) DV-L88W/W(A) 5. DISASSEMBLY METHOD Cabinet A 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.
  • Page 8 DV-L88S/S(H) DV-L88W/W(A) 11. Remove the shield plate and power PWB from cabinet B. 12. Remove the power PWB and shield plate. Power PWB (Partly fixed with solder.) Shield Tape Shield Plate Cabinet B 13. Remove the four screws 5. 14. Cabinet C is slided in the direction of ¤, and lifted in the arrow ¤...
  • Page 9 DV-L88S/S(H) DV-L88W/W(A) 18. Remove the connectors 9 and 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.
  • Page 10: Adjustment Method

    DV-L88S/S(H) DV-L88W/W(A) 6. ADJUSTMENT METHOD 6-1. HARNESS LIST FOR SERVICE PARTS Parts Code Price Code Remarks Parts Code Price Code Remarks QCNW-8557GEZZ Spindle extension, 13-pin QCNW-8566GEZZ Operate PWB extension, 2-pin QCNW-8558GEZZ Sled extension, 2-pin QCNW-8623GEZZ Main-RF&Motor extension, 25-pin QCNW-8562GEZZ Power-LCD extension, 9-pin...
  • Page 11 DV-L88S/S(H) DV-L88W/W(A) ADJUSTMENT PROCEDURE AND METHOD OF LCD PWB SIDE Connect the LCD PWB to the jig for shipping adjustment. Adjustment Item Adjustment Menu Adjustment Point Signal/Setting Adjustment Contents 1Free run R1933 Observe the 5PIN of No input Adjust so that the frequency becomes...
  • Page 12 DV-L88S/S(H) DV-L88W/W(A) Adjustment Item Adjustment Menu Adjustment Point Signal/Setting Adjustment Contents 1Gamma setting Check that the gamma function of the body is check on "level 2". Input 2Contrast check CONT Check that CONT set value is "AB". 3RGB amplitude GAIN...
  • Page 13 DV-L88S/S(H) DV-L88W/W(A) Adjustment Item Adjustment Menu Adjustment Point Signal/Setting Adjustment Contents qSub colour SCOLOR Connect the synchroscope 100% colour bar Adjust the yellow amplitude of the colour bar adjustment to 4PIN (VB) of TP1900. signal (white level to yellow peak level) to 2.5±0.1Vpp.
  • Page 14 DV-L88S/S(H) DV-L88W/W(A) CHECK AND READJUSTMENT Adjustment Item Adjustment Menu Adjustment Point Signal/Setting Adjustment Contents 1Free run R1933 OSD character External input Check that the horizontal movement of OSD check (VR) visual observation (625/25) position is 2mm or less when inputting a signal in the external input mode with no signal input.
  • Page 15 DV-L88S/S(H) DV-L88W/W(A) BATTERY END VOLTAGE ADJUSTMENT 1. Initial setting (1) Power supply Input 6.15V±0.05V to the DVD battery. Note1) Set the voltage on the DC input jack PWB of the main unit to the value specified above in the condition of DVD start-up (LCD lit).
  • Page 16 DV-L88S/S(H) DV-L88W/W(A) Item Checked place Checking method Standard, condition Remarks Battery display Main unit LCD 1. Supply 8V to the battery check terminal. Get the DVD start-up screen. 2. Change the battery voltage to → Check the battery half display.
  • Page 17: Test Mode

    DV-L88S/S(H) DV-L88W/W(A) 7. TEST MODE Test Mode A power source is put, and a Skip/Forward key and a Volume Up key are pushed after the "NO DISC" display at the same time. (It keeps pushing it for about three seconds.) ROM Renewal Mode A power source is put with pushing a Skip/Forward key and Volume Down key at the same time.
  • Page 18 DV-L88S/S(H) DV-L88W/W(A) From (1) <The "1" key of the remote controller is pushed.> DVD laser lights, the spindle motor Note:Not to face the light of the laser squarely, rotates and the pickup moves to the caution! outer periphery. 30000001 000000DD <The "1"...
  • Page 19 DV-L88S/S(H) DV-L88W/W(A) [ROM RENEWAL MODE] 1. Connect the DVD main unit and the computer as shown on the right. And then start-up the software for rewriting. 2. Turn on the power while the Skip/Forward key and the Volume Down key of the DVD main unit are kept pressed at the same time.
  • Page 20 DV-L88S/S(H) DV-L88W/W(A)
  • Page 21 DV-L88S/S(H) DV-L88W/W(A)
  • Page 22 DV-L88S/S(H) DV-L88W/W(A)
  • Page 23 DV-L88S/S(H) DV-L88W/W(A) - M E M O -...
  • Page 24: Block Diagrams

    DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 9. BLOCK DIAGRAMS 9-1. MAIN BLOCK DIAGRAM 24~25...
  • Page 25 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 9-2. MAIN/LCD BLOCK DIAGRAM VSS (-16V) VGH(+13V) IC1806(1/2) Q1805 Q1806 R1882 Y/VIDEO C1803 R1804 C1809 R1811 AT_A_5V AT_A_5V AT_A_5V Q1802 IC1801 R1805 R1810 R1816 C1806 R1807 R1809 Q1800 R1806 R1813 Q1807 R1803 IC1800 R1914 D1904 R1941...
  • Page 26 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 9-3. POWER 1 BLOCK DIAGRAM AC POWER Q904 INV. V out L902 R932 DC. V out D9 04 Q905 D905 C912 – R925 R933 COUT –INC +INC C910 R922 R912 R906 Q908 Error Current R9 03 IC901 –...
  • Page 27 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 9-4. POWER 2 BLOCK DIAGRAM Q9907 M_5V DC IN Q9903 D_5V CP9002 IC9001 R9025 C9019 R9027 Error Amp.1 Vcc2 A_5V PWM Comp.1 OFF Electric +IN1(E) – current setting R9023 – – –IN1(E) OUT1 R9021 Q9002 R9020 –...
  • Page 28: Schematic Diagrams

    DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10. SCHEMATIC DIAGRAMS 10-1. MAIN (1) CIRCUIT SCHEMATIC DIAGRAM 32~33...
  • Page 29 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-2. MAIN (2) CIRCUIT SCHEMATIC DIAGRAM 34~35...
  • Page 30 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-3. LCD CTL CIRCUIT SCHEMATIC DIAGRAM 36~37...
  • Page 31 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-4. POWER (1) CIRCUIT SCHEMATIC DIAGRAM 38~39...
  • Page 32 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-5. POWER (2) CIRCUIT SCHEMATIC DIAGRAM 40~41...
  • Page 33 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-6. POWER (3) CIRCUIT SCHEMATIC DIAGRAM 42~43...
  • Page 34 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-7. POWER (4) CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS å å å 44~45...
  • Page 35 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-7. POWER (4) CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS å å å 44~45...
  • Page 36 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-8. POWER (5) CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS å å 46~47...
  • Page 37 DV-L88S/S(H) DV-L88W/W(A) 10-9. OPERATE CIRCUIT SCHEMATIC DIAGRAM...
  • Page 38 DV-L88S/S(H) DV-L88W/W(A) 10-10. LCD SW CIRCUIT SCHEMATIC DIAGRAM...
  • Page 39 DV-L88S/S(H) DV-L88S/S(H) DV-L88W/W(A) DV-L88W/W(A) 10-11. RF&MOTOR CIRCUIT SCHEMATIC DIAGRAM 50~51...
  • Page 40: Printed Wiring Board Assemblies

    DV-L88S/S(H) DV-L88W/W(A) 11. PRINTED WIRING BOARD ASSEMBLIES 11-1. MAIN PWB Component Side SIDE A S5501 Q4013 L603 D4011 C627 C626 Q202 Q203 Q205 Q4011 C205 C624 L601 X601 R614 R4016 R612 R613 R602 FB604 C623 C622 C621 C628 R623 C633...
  • Page 41 DV-L88S/S(H) DV-L88W/W(A) Wiring Side SIDE A...
  • Page 42 DV-L88S/S(H) DV-L88W/W(A) Component Side SIDE B C6805 R6825 C6804 TP827 TP829 TP831 TP836 C6806 C6801 TP826 TP828 TP830 TP832 TP833 TP834 TP835 TP837 C254 C6807 C6802 Q802 C251 C263 C255 CN801 Q801 TP811 TP813 TP815 TP817 TP819 TP821 TP823 TP825...
  • Page 43 DV-L88S/S(H) DV-L88W/W(A) Wiring Side SIDE B...
  • Page 44 DV-L88S/S(H) DV-L88W/W(A) 11-2. POWER PWB Component Side SIDE A FB9014 D9005 FB9013 C9029 L9004 FB9012 T9001 D9004 FB9011 C9040 L905 Q9002 C9043 TP9009 C9027 Q9003 R9048 FB6001 L9006 R2222 L902 FB9039 D9002 C923 R2224 Q9004 TP2009 C2217 C9028 R2218 L9007...
  • Page 45 DV-L88S/S(H) DV-L88W/W(A) Wiring Side SIDE A...
  • Page 46 DV-L88S/S(H) DV-L88W/W(A) Component Side SIDE B TP901 TP9001 C9037 C9038 TP902 C9039 D904 R903 Q905 R9006 C9006 TP2010 C9015 R9035 Q2209 D905 TP9010 TP9011 TP9012 R9013 C9021 C9019 TP2007 R2209 R6016 R931 R928 R916 R941 R9007 C913 R930 Q908 R9001...
  • Page 47 DV-L88S/S(H) DV-L88W/W(A) Wiring Side SIDE B...
  • Page 48 DV-L88S/S(H) DV-L88W/W(A) 11-3. LCD CTL PWB Component Side SIDE A L1916 C1944 TP1900 R1935 C1962 C1961 P1804 CN1900 CN1901 R1914 Wiring Side SIDE A Component Side SIDE B C1939 R1927 C1905 C1938 R1912 R1928 L1904 R1910 R1911 R1926 R1908 R1909...
  • Page 49 DV-L88S/S(H) DV-L88W/W(A) 11-4. OPERATE PWB Component Side Wiring Side...
  • Page 50 DV-L88S/S(H) DV-L88W/W(A) 11-5. LCD SW, RF&MOTOR PWB LCD SW Component Side SIDE A Wiring Side SIDE A CN8801 S8801 Component Side SIDE B Wiring Side SIDE B RF&MOTOR Component Side SIDE A Wiring Side SIDE A TP7362 TP7361 TP7360 TP7359...
  • Page 51: Replacement Parts List

    DV-L88S/S(H) DV-L88W/W(A) 12. REPLACEMENT PARTS LIST/ Ref. No. Part No. Description Code Ref. No. Part No. Description Code EXPLODED VIEWS IC701 VHiTC94A03F-1Q TC94A03F, Servo ECC IC702 RH-iX3420CEZZ IX3420CE, 4M EDO DRAM AT IC705 VHiAN8738SB-1 AN8738SB ELECTRICAL PARTS LIST IC4001 VHiTC7W14U/-1...
  • Page 52 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6036KE51(DV-L88S/S(H)) C608 VCKYCY1CB104K 16V Ceramic DUNTK6036KE52(DV-L88W/W(A)) C609 VCKYCY1CB104K 16V Ceramic MAIN PWB UNIT(Continued) C610 VCKYCY1CB104K 16V Ceramic C611 VCKYCY1CB104K 16V Ceramic C232 RC-EZ0475GEZZ 6.3V Electrolytic C612...
  • Page 53 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6036KE51(DV-L88S/S(H)) R512 VRS-CY1JF473J 47k 1/16W Metal Oxide AA DUNTK6036KE52(DV-L88W/W(A)) R513 VRS-CY1JF472J 4.7k 1/16W Metal Oxide AA MAIN PWB UNIT(Continued) R514 VRS-CY1JF102J 1/16W Metal Oxide AA R515...
  • Page 54 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6036KE51(DV-L88S/S(H)) R821 VRS-CY1JF000J 1/16W Metal Oxide AA DUNTK6036KE52(DV-L88W/W(A)) (L88W/W(A)) MAIN PWB UNIT(Continued) R822 VRS-CY1JF330J 1/16W Metal Oxide AA R823 VRS-CY1JF100J 1/16W Metal Oxide AA R621 VRS-CY1JF221J...
  • Page 55 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6037KE51(DV-L88S/S(H)) C1942 VCCCCY1HH6R0D 50V Ceramic DUNTK6037KE52(DV-L88W/W(A)) C1943 VCKYCY1EF104Z 25V Ceramic LCD CTL PWB UNIT C1944 VCKYCY1EF104Z 25V Ceramic C1945 VCCCCY1HH100D 50V Ceramic INTEGRATED CIRCUITS C1946 VCCCCY1HH221J...
  • Page 56 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6037KE51(DV-L88S/S(H)) Q6603 VS2SC4213B/-1 2SC4213B DUNTK6037KE52(DV-L88W/W(A)) Q6604 VS2SC4213B/-1 2SC4213B LCD CTL PWB UNIT(Continued) Q6605 VS2SC4213B/-1 2SC4213B Q6606 VS2SC4213B/-1 2SC4213B P1805 QPLGN0263TAZZ Plug, 2Pin Q6607 VS2SC4213B/-1 2SC4213B TP1900 QPLGN0674TAZZY...
  • Page 57 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6038KE51(DV-L88S/S(H)) C1819 VCKYCY0JF105Z 6.3V Ceramic DUNTK6038KE52(DV-L88W/W(A)) C1820 VCKYCY1EF104Z 25V Ceramic POWER PWB UNIT(Continued) C1821 VCKYCY0JF105Z 6.3V Ceramic C1822 VCKYCY1EF104Z 25V Ceramic L1808 VPAWM2R7J1R2N Peaking, 2.7µH C1823...
  • Page 58 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6038KE51(DV-L88S/S(H)) C6632 VCKYCY0JF105Z 6.3V Ceramic DUNTK6038KE52(DV-L88W/W(A)) C6633 VCKYCY0JF105Z 6.3V Ceramic POWER PWB UNIT(Continued) C6634 VCKYCY1CF474Z 0.47 16V Ceramic C6635 VCKYCY1CF474Z 0.47 16V Ceramic C5507 VCCCCY1HH101J 100p 50V Ceramic...
  • Page 59 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6038KE51(DV-L88S/S(H)) R1852 VRS-CY1JF561J 560 1/16W Metal Oxide AA DUNTK6038KE52(DV-L88W/W(A)) R1853 VRS-CY1JF562J 5.6k 1/16W Metal Oxide AA POWER PWB UNIT(Continued) R1854 VRS-CY1JF822J 8.2k 1/16W Metal Oxide AA...
  • Page 60 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6038KE51(DV-L88S/S(H)) R6616 VRS-CY1JF153J 15k 1/16W Metal Oxide AA DUNTK6038KE52(DV-L88W/W(A)) (L88W/W(A)) POWER PWB UNIT(Continued) R6616 VRS-CY1JF223J 22k 1/16W Metal Oxide AA (L88S/S(H)) R5517 VRS-CY1JF101J 100 1/16W Metal Oxide AA...
  • Page 61 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6038KE51(DV-L88S/S(H)) å F902 QFS-L4021GEZZ Fuse, 4A DUNTK6038KE52(DV-L88W/W(A)) J2001 QSOCD0430CEZZ Socket, 6Pin POWER PWB UNIT(Continued) J2002 QJAKG0041CEZZ Jack, 7Pin J901 QJAKC0021GEZZ Jack, DC R9021 VRS-CY1JF272F 2.7k 1/16W Metal Oxide AA...
  • Page 62 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTK6052KE51(DV-L88S/S(H)) MECHANISM PARTS DUNTK6052KE52(DV-L88W/W(A)) LCD SW PWB UNIT DMECD0004GE04 Mechanism Ass'y NSFTD0063GEZZ Main Guide SWITCH LHLDZ2070GEZZ Sled Unit S8801 QSW-M0024TAZZ Switch NGERH1328GEZZ Intermediate Gear RMOTV1037GEZZ Sled Motor...
  • Page 63 DV-L88S/S(H) DV-L88W/W(A) Ref. No. Part No. Description Code Ref. No. Part No. Description Code LHLDZ2150GEZZ Mecha Holder LX-HZ0017TAFF Screw LX-HZ0018TAZZ Screw LX-HZ3094CEFD Screw MLEVP0334GEZZ LCD Lock Lever MSPRC0247GEZZ Lock Lever Spring PSPAZ0622GEZZ Inverter Spacer XiPSN20P04000 Screw GDORF2301GEKA Battery Door RUNTK0821GEZZ...
  • Page 64 DV-L88S/S(H) DV-L88W/W(A) Ref. No. MECHANISM EXPLODED VIEW Part No. Description Code Ref. No. Part No. Description Code When replacement or a djustment of the parts in this frame is necessary, replace or adjust the mechanism ass'y (adjustment of the parts is completed).
  • Page 65 DV-L88S/S(H) DV-L88W/W(A) Ref. No. CABINET EXPLODED VIEW Part No. Description Code Ref. No. Part No. Description Code 4-10 4-10 1-22 1-19 1-20 1-14 1-17 1-12 1-18 1-15 1-11 1-12 1-13 1-16 1-10 1-12...
  • Page 66: Packing Of The Set

    DV-L88S/S(H) DV-L88W/W(A) 13. PACKING OF THE SET Ref. No. Part No. Description Code Ref. No. Part No. Description Code No.12 No.12 No.12 No.4 No.10 å No.9 DV-L88S/S(H) No.3 No.20 No.6, 7, 8, 21 No.16 No.15 No.18, No.19 å å No.5 No.2...

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