Sharp DV-L70U Service Manual

1DV-L70USX9Q8DV-L70U/SERVICE MANUALPage1. IMPORTANT SAFEGUARDS AND PRECAUTIONS ...1

DV-L70UAdjustment Point Put voltmeters in 4PIN (GND), 5PIN (-16V) and 7PIN (13V) of TP1191.Input Signal/Setting Check in the DVD mode.Adjustment Metho

DV-L70U6-31. DAC adjustment(1) TV1 adjustmentAdjustment VR GAM0Initial value "44" adjustment is unnecessary.Adjustment VR SBRIAdjustment Poi

DV-L70U6-4Adjustment VR STINAdjustment Point Connect the oscilloscope to 5PIN (VB) and GND of TP1901.Input Signal/Setting 100% color barAdjustment Met

DV-L70UAdjustment VR R1104Adjustment Point Visual observationInput Signal/Setting External inputCheck and Check that the horizontal movement of OSD po

DV-L70U7. TEST MODE7-1Adjustment Mode A power source is put with pushing and .ROM renewal mode It is put with pushing a playback key and a stil

DV-L70U7-2Mecah test mode display3000E000 EEEEEEEE<Disk is put, and the "2" key of the remote controller is pushed.>*It is usually re

DV-L70U8-18. TROUBLESHOOTINGFlow Chart NO.2Flow Chart NO.3NO3.2V and 4.95V are not output to the pins 2 - 3 and pins 6 - 8 of connector CN9002, respec

DV-L70U8-2YESNOYESIn case of DVD:Is the input signal supplied to the pins (58, 63), (59, 64), (60, 3), and (61, 2)of IC303?In case of CD: Is the input

DV-L70U8-3NODoes a signal come out in the following, each output terminal of the integrated circuit?Picture signalIC2102 12pin Y-SIG.IC2102 8pin

DV-L70U8-4NOIs a signal being inputted to the following, each output terminal of the integrated circuit?IC6000 3pin AUDIO(L-CH)-SIG.IC6000 5pin

DV-L70U1. IMPORTANT SAFEGUARDS AND PRECAUTIONS1-1IMPORTANT SERVICE NOTESBEFORE RETURNING THE DVD PLAYERBefore returning the DVD player to the user, pe

DV-L70U9-19. IC FUNCTION LIST9-1. IC201 MC44722A DIGITAL VIDEO ENCORDERPin No. Terminal name I/O Operation function1 CVBS/Cb O Analog composite v

DV-L70U9-2. IC303 IX1517GE RF SIGNAL PROCESSORPin No. Terminal name I/O Operation functionTerminal DC Voltage(TYP.)Remarks1 GND – GND terminal. –2 P2T

DV-L70UPin No. Terminal name I/O Operation functionTerminal DC Voltage(TYP.)Remarks53 P1CI I C input (DVD) VrA54 P1BI I B input (DVD) VrA55 P1AI I A i

DV-L70U9-4. IC402 IX1474GE DEM/ECC (DVD)Pin No. Terminal name I/O Operation function Remarks1 DPCK1 I Signal processing reference clock input. 0.5-

DV-L70UPin No. Terminal name I/O Operation function Remarks55 MOEN O External RAM output permission signal.56 MWEN O External RAM read/write selection

DV-L70U9-5. IC501 IX1626GE FLASHPin No. Symbol Type Name and functionByte selection address: When the device is in the x8 mode, the low or high order4

DV-L70U9-6. IC504 IX1478GE SYSCONMD2VccVccVccVccVccVssVssVssVssVssVssVssVssPD7/D15PD6/D14PD5/D13PD4/D12PD3/D11PD2/D10PD1/D9PD0/D8PE7/D7PE6/D6PE5/D5PE4

DV-L70U9-8. IC512 IX1535GE HOST I/F1 VDD – Power +3.3V2 HADR0 Input CPU Address bus3 HADR1 Input CPU Address bus4 HADR2 Input CPU Address bus5 HCS Inp

DV-L70UPin1~15... There is a possibility of simultaneous change. Operating frequency: Approx. 10 MHzPin18~47 ... There is a possibility of simu

DV-L70UPin No. Pin name Type I/O Function141 RESET# I IReset input (active low). When deassert is applied in the asserted state, theinitializing proce

DV-L70U1-2

DV-L70U9-11Pin No. Pin name Type I/O Function122,123 GPAI/O [1:0] 3-S I/OGeneral purpose bidirectional pin for monitor and control with ADP microcode.

DV-L70U9-12Pin No. Pin name Type I/O Function148 DVDREQ O O DVD-DSP data request output (polarity programmable)146 DVDVALID I I DVD-DSP data valid inp

DV-L70U9-1335 CLK System Clock Active on the positive going edge to sample all inputs.18 CS Chip Select Disables or enables device operation by maskin

DV-L70U9-11. IC701 AN8473NS-1Pin No. Terminal nameOperation functionPin No. Terminal nameOperation function1 VH Hole bias terminal 17 VM21 Motor power

DV-L70U9-12. IC702 BA5933FPPin No. Terminal nameOperation functionPin No. Terminal nameOperation function1 STBY Stand-by mode selector switch 13 OP_OU

DV-L70U9-13. IC707 IX1473GE SERVO PROCCESSORPin No. Terminal name I/O Operation function Remarks1 VSS – Digital ground terminal.2 BCK O Bit clock (1.4

DV-L70UPin No. Terminal name I/O Operation function Remarks44 TRO O Tracking equalizer output terminal.45 VREF – Analog reference power terminal.46 RF

DV-L70UPin No. Terminal name I/O Operation function Remarks88 BUS3 I/O89 VDD – Digital + power terminal.90 VSS – Digital ground terminal.91 BUCK I Mic

DV-L70UPin No. Terminal name I/O Operation function1 LRCIN I LRCK clock input (fs) (3)2 DIN I Data input (3)3 BCKI I Bit clock input for data.4 CLKO O

DV-L70U9-201 VDD – Digitan power +3.3V2 HADR (0) Input CPU Address bus3 HADR (1) Input CPU Address bus4 HADR (2) Input CPU Address bus5 HADR (3) Input

DV-L70U1-3åååååCAUTIONBEFORE BATTERY DESTROYËËËËË NICKEL-CADMIUM BATTERYThe following program is available in the United States. Please consult local

DV-L70U56 VSS – Digital GND57 VDD – Digital power +3.3V58 PXDI (4) Input59 PXDI (5) Input60 PXDI (6) Input61 PXDI (7) Input62 TEST0 Input Test termina

DV-L70U9-17. IC1101 LZ9GJ18/-19-229-18. IC1102 NJM2107FV-OUTPUTV+-INPUT+INPUTPin No.Terminal nameOperation functionPin No.Terminal nameOperation funct

DV-L70U9-19. IC1801 IR3Y29BMPin No. Terminal name Operation function1 TRAP It is a trap connection terminal. Output impedance is 1kΩ.2 CONTRAST Adjust

DV-L70U9-24HPFPAL SWF/FIDENTPHASESHIFTCOLORACCACC DETAPCVCOTINTCOMPY/CCINF ADIVIDEO INCOMPTRAP COLORCLAMPAGC FILSYNC SEPCOM AMPADJR DC DET G DC DET B

DV-L70U9-259-21. IC2102 TK154001212115kΩ 5kΩ1.5kΩ100kΩ75Ω75Ω33µF33µF4.7µF33µF++++75Ω10595kΩ 5kΩ1.5kΩ75Ω75Ω33µF33µF++84.7µF+75Ω675ΩGND75Ω33µF+Y-INPUTSt

DV-L70U9-26Pin No.I/O Terminal name Operation function Remarks31 I ST/MT Input for destination setting L: Japan32 – GND GND33 – NC Not used. (Pull-up)

DV-L70U9-27Pin No.I/O Terminal name Operation function Remarks2 O BLK Blanking signal output H ... OSD display3 L ... Blank (television image)5 I HSYN

DV-L70U9-28Pin No.I/O Terminal name Operation function Remarks52 O LED1 LED control (green) LED control53 O AV S DVD/TV control “H” is output during T

DV-L70U9-23. IC3201 MB8346BV12 bits shift registerAddress decoderD0DIGNDDOLDCLKD1 D2 D3 D4 D5 D6 D7 D81234 1212128 bits latch8 bits latchDOD9 D10 D11V

DV-L70U9-309-24. IC3202 BR93L46F EEPROMTerminalTerminal name In/Output Function2 VCC – Power7 GND – All input/output reference voltage, 0V3 CS Input T

DV-L70U2. FEATURES2-17" LCD Screen and Stereo Speakers• A big 7" LCD screen and built-in stereo speakers provide exciting DVD viewing, even

DV-L70U9-319-26. IC3601 TK118351.Power amplification Tr base drive 2.Electric current limitation3.Output voltage feedback4.Reference voltage5.GND6.In

DV-L70U9-329-28. IC9001 TL1451ACTrlangleOscillatorVref=2.5V+-++-(16)(15)(9)(1) (2)(7)(10)(8)(11)(6)(3)(4)(5)(12)(14)(13)Error Amp1VCC2.0V1.4V+2.5VVref

DV-L70U10. SEMICONDUCTOR LEAD IDENTIFICATION10-11S H A R P111IC701VHiAN8473NS-1IC1101VHiLZ9GJ18/-1IC6002VHiTDA7053/-1IC601RH-iX1608GEZZIC1901VHiYTHC22

DV-L70U11. WIRING DIAGRAM11-1

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U12-1~12-212. BLOCK DIAGRAMS12-1. MAIN BLOCK DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U12-3~12-412-2. LCD BLOCK DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U12-5~12-612-3. POWER BLOCK DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U12-7~12-812-4. INVERTER BLOCK DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U13-1~13-213. SCHEMATIC DIAGRAMS 13-1. MAIN (1) CIRCUIT SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U13-3~13-413-2. MAIN (2) CIRCUIT SCHEMATIC DIAGRAM

DV-L70U3-1Audio Signals: Frequency Characteristics:Linear PCM DVD: 4Hz to 22kHz (48kHz sampling)/4Hz to 44kHz (96kHz sampling)CD: 4Hz to 20kHz (EIAJ)S

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U13-5~13-613-3. MAIN (3) CIRCUIT SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U13-7~13-813-4. LCD CIRCUIT SCHEMATIC DIAGRAMå AND SHADED COMPONENTS=SAFETY RELATED PAR

DV-L70U14-114. PRINTED WIRING BOARD ASSEMBLIES 14-1. MAIN PWBComponet SideABCDEFGHIJ12345678910

DV-L70U14-2ABCDEFGHIJ12345678910Wiring Side

1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJDV-L70UDV-L70U14-3~14-414-2. LCD/OPERATE PWBLCD PWB Componet SideOPERATE PWB Componet SideWi

DV-L70U- M E M O -14-5

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code75DV-L70U15.REPLACEMENT PARTS LIST/EXPLODED VIEWSELECTRICAL PARTS LISTParts m

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code76DV-L70UC118 VCKYCY1CF104Z 0.1 16V Ceramic AAC201 VCSATE0JJ476M 47 6.3V Tant

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code77DV-L70UC716 VCKYCY1EB103K 0.01 25V Ceramic AAC718 VCKYCY1HB222K 2200p 50V C

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code78DV-L70U15-4C1819 VCKYCY1AF105Z 1 10V Ceramic ACC1820 VCSATN1AJ225M 2.2 10V

DV-L70UFor details on the use of each control.4. PART NAMES4-1

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code79DV-L70U15-5R507 VRS-CY1JF103J 10k 1/16W Metal Oxide AAR508 VRS-CY1JF103J 10

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code80DV-L70U15-6R704 VRS-CY1JF151J 150 1/16W Metal Oxide AAR709 VRS-TW2ED1R0J 1

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code81DV-L70U15-7R3113 VRS-CY1JF000J 0 1/16W Metal Oxide AAR3114 VRS-CY1JF000J 0

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code82DV-L70UDUNTK5869KE52MAIN PWB UNIT(Continued)R7007 VRS-CY1JF471J 470 1/16W M

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code83DV-L70UR1143 VRS-CY1JF391J 390 1/16W Metal Oxide AAR1144 VRS-CY1JF562F 5.6k

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code84DV-L70U15-10CABINET PARTS1 CCABA1113GE01 Cabinet A Ass'y BA(Main Unit,

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code85DV-L70UMECHANISM EXPLODED VIEW15-11ABCDEFGH12345677531349121421515 51617*1*

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code86DV-L70UCABINET EXPLODED VIEWABCDEFGH12345615-121720394037203834123720394017

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code87DV-L70U16. PACKING OF THE SET16-1★SPAKC4224GEZZ (Packing Case)★SPAKX1079G

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code88DV-L70USHARP CORPORATIONAV Systems GroupQuality & Reliability Control C

DV-L70U5. DISASSEMBLY METHOD5-1. DISASSEMBLY METHOD1.Remove the nine screws 1.2. Loosen the two screws 2.3. After opening the LCD unit, remove the hin

DV-L70UParts Code Price Code Remarks Parts Code Price Code RemarksQCNW-8145GEZZ AQ P.U. extension, 30-pin QCNW-8151GEZZ AQ Inverter extension, 6-pinQC