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Sharp DV-L70S Service Manual

Sharp DV-L70S Manual Online:

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Sharp DV-L70S User Manual
Sharp DV-L70S User Guide
Sharp DV-L70S Online Manual

Text of Sharp DV-L70S User Guide:

  • Sharp DV-L70S, 39 DV-L70S DV-L70BL DV-L70W 1 VDD – Digitan power +3.3V 2 HADR (0) Input CPU Address bus 3 HADR (1) Input CPU Address bus 4 HADR (2) Input CPU Address bus 5 HADR (3) Input CPU Address bus 6 HADR (4) Input CPU Address bus 7 HADR (5) Input CPU Address bus 8 VSS – Digital GND 9 VDD – Digitan power +3.3V 10 HADR (6) Input CPU Address bus 11 HADR (7) Input CPU Address bus 12 HADAT (0) Input CPU Data bus 13 HADAT (1) Input CPU Data bus 14 HADAT (2) Input CPU Data bus 15 HADAT (3) Input CPU Data bus 16 VSS – Digital GND 17 VDD – Digitan power +3.3V 18 HADAT (4) Input CPU Data bus 19 HADAT (5) Input CPU Data bus 20 HADAT (6) Input CPU Data bus 21 HADAT (7) Input CPU

  • Sharp DV-L70S, 13 DV-L70S DV-L70BL DV-L70W 7. TEST MODE Adjustment Mode A power source is put with pushing and . ROM renewal mode It is put with pushing a playback key and a still key. When a power source is put with pushing a key. When there is a disc Error rate display mode (There are a DVD and CD mode of it, and a disc is put, and a key manipulates.) When there is Test mode (Version display mode, color bar pattern display mode, mecha test mode.) A power source is put. [The flow of the test mode] A power source is put, and clos

  • Sharp DV-L70S, 33 DV-L70S DV-L70BL DV-L70W 9-11. IC701 AN8473NS-1 Pin No. Terminal name Operation function Pin No. Terminal name Operation function 1 VH Hole bias terminal 17 VM21 Motor power terminal 2 2 H3L Hole element 3 negative input terminal 18 VM22 Motor power terminal 2 3 H3H Hole element 3 positive input terminal 19 CS Current detection terminal 4 H2L Hole element 2 negative input terminal 20 NC N. C. 5 H2H Hole element 2 positive input terminal 21 A31 Drive output 3 6 H1L Hole element 1 negative input terminal 22 A32 Drive output 3

  • DV-L70S DV-L70BL DV-L70W 44 9-21. IC2102 TK15400 12 1 2 11 5kΩ 5kΩ 1.5kΩ 100kΩ 75Ω 75Ω 33µF 33µF 4.7µF 33µF + + + + 75Ω 10 5 9 5kΩ 5kΩ 1.5kΩ 75Ω 75Ω 33µF 33µF + + 8 4.7µF + 75Ω 6 75Ω GND 75Ω 33µF + Y-INPUT Standby C-Input Clamp 1.25V BIAS 2.0V Reference & Standby Logic Clamp 1.25V 8dB 75 Ω DRIVER 8dB 75 Ω DRIVER 8dB 75

  • Sharp DV-L70S, DV-L70S DV-L70BL DV-L70W 42 9-19. IC1801 IR3Y29BM Pin No. Terminal name Operation function 1 TRAP It is a trap connection terminal. Output impedance is 1kΩ. 2 CONTRAST Adjustment can be done the signal contrast from the video input (Y/C input). 3 VIDEO IN It is the input terminal of the composite video signal (in the case of the Y/C input, Y signal). 4 IDENT FILTER It is a filter connection terminal for ident detection. 5 C IN It is the input terminal of the chroma signal at the time of the y/c input. It comes to deal with composite video input when this terminal is articulated in GND again. 6 COLOR It is a color adjustment terminal. 7 BURST OU

  • Sharp DV-L70S, 11 DV-L70S DV-L70BL DV-L70W Adjustment VR STIN Adjustment Point Connect the oscilloscope to 5PIN (VB) and GND of TP1901. Input Signal/Setting 100% color bar Adjustment Method It is adjusted so that shakes of the waveform of the blue signal of the color bar may become the smallest. (3) TV3 adjustment Adjustment VR COM Adjustment Point Specified adjustment jig (illuminometer) or visual observation Input Signal/Setting No input state Brightness: Center Perform it in a combination of PWB and the liquid cr

  • Sharp DV-L70S, DV-L70S DV-L70BL DV-L70W 78 A B C D E F G H I J 12345678910 14-3. POWER/INVERTER PWB POWER PWB Note: It becomes Ref. NO. 90XX. INVERTER PWB Component Side Note: It becomes Ref. NO. 99XX. Wiring Side

  • 1 DV-L70S DV-L70BL DV-L70W SY9S7DV-L70S/ SERVICE MANUAL Page 1. IMPORTANT SAFEGUARDS AND PRECAUTIONS .........................................................................2 2. FEATURES ........................................................................................................................................ 4 3. SPECIFICATIONS .....................................

  • Sharp DV-L70S, 17 DV-L70S DV-L70BL DV-L70W YES NO YES In 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 signal supplied to the pins (49, 55), (50, 54), (52, 53), 46 and 47 of IC303? NO Is the FE signal output to the pin 21 of IC303? Check the connection of optical pickup cable. If it is normal, replace the optical pickup cable. Refer to "The disc is not recognized. (When the focus servo does not function)". NO When the playback button is pressed while both tray switch(S1001) and LD switch(S502) are held down with a disc loaded, the disc rotates but stops immediately. YES The disc is not recognized. (In

  • Sharp DV-L70S, DV-L70S DV-L70BL DV-L70W 40 56 VSS – Digital GND 57 VDD – Digital power +3.3V 58 PXDI (4) Input 59 PXDI (5) Input 60 PXDI (6) Input 61 PXDI (7) Input 62 TEST0 Input Test terminal 63 TEST1 Input Test terminal 64 VSS – Digital GND Terminal Terminal name In/Output Function • Block Diagram 12 HADAT PXDI HSYNCI HADR HCS HAS HWR HRD HIM MRST VDD VSS TEST0 TEST1 INT WAIT PXDOVSYNCOHSYNCO PXCLKI VSYNCI PXCLKO 64pin LQFP 18 8 8 81 1 1 111 11 15 10 11 27 21 29 28 27 26 30 31 19 8 17 16 25 24 32 33 41 40 48 49 57 56 64 62 63 22 23 3934 43 4546 42 44 51 47 50 55 61 52 58 CPU Host interface ITU-R 601/656 interface ITU-R 601/656 formatter Timi

  • Sharp DV-L70S, DV-L70S DV-L70BL DV-L70W 36 Pin No. Terminal name I/O Operation function Remarks 44 TRO O Tracking equalizer output terminal. 45 VREF – Analog reference power terminal. 46 RFGC O RF amplitude adjustment control signal output terminal. Output of 3-pole PWM signal. (PWM carrier = 88.2 kHz) 47 TEBC O Tracking balance control signal output terminal. Output of 3-pole PWM signal. (PWM carrier = 88.2 kHz) 48 FMO O Feed equalizer output terminal. Output of 3-pole PWM signal. (PWM carrier = 88.2 kHz) 49 FVO O Speed error signal or feed search EQ output terminal. Output of 3-pole PWM signal. (PWM carrier = 88.2 kHz) 50 DMO O Disc equalizer output terminal.

  • Sharp DV-L70S, Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code 86 DV-L70S DV-L70BL DV-L70W W3361 RRMCU0012TAZZ Remote Receiver AL DUNTK5870KE50 LCD PWB UNIT INTEGRATED CIRCUITS IC1000 VHiMB3800PV-1 MB3800PV AL IC1101 VHiLZ9GJ19+-1 LZ9GJ19 AQ IC1102 VHiNJM2107F-1 NJM2107F AE IC1103 VHiNJM4560M-1 NJM4560M AG TRANSISTORS Q1100 VS2SD999LK/-1 2SD999LK AC Q1101 VS2SC4738Y/-1 2SC4738Y AA Q1102 VS2SC2411KR-1 2SC2411KR AC Q1103 VS2SA1036KR-1 2SA1036KR AC DIODES D1103 VHDMA132K//-1 MA132K AA D1104 VHDMA716///-1 MA716 AC D1105 VHDHVU200A/-1 HVU200A AC D1106 RH-EX0852CEZZ Zener, EX0852CE AC D1107 RH-EX0852CEZZ Zener, EX0852CE AC D1108 VHDMA132K//-1 MA132K AA D1109 VHDMA132K//-1 MA132

  • Sharp DV-L70S, Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code 85 DV-L70S DV-L70BL DV-L70W R2111 VRS-CY1JF221J 220 1/16W Metal Oxide AA R2113 VRS-CY1JF221J 220 1/16W Metal Oxide AA R2201 VRS-CY1JF332J 3.3k 1/16W Metal Oxide AA R2202 VRS-CY1JF472J 4.7k 1/16W Metal Oxide AA R2203 VRS-CY1JF471J 470 1/16W Metal Oxide AA R2204 VRS-CY1JF682J 6.8k 1/16W Metal Oxide AA R2205 VRS-CY1JF562J 5.6k 1/16W Metal Oxide AA R2208 VRS-CY1JF181J 180 1/16W Metal Oxide AA R2209 VRS-CY1JF750J 75 1/16W Metal Oxide AA R2210 VRS-CY1JF561J 560 1/16W Metal Oxide AA R2301 VRS-CY1JF103J 10k 1/16W Metal Oxide AA R3100 VRS-CY1JF223J 22k 1/16W Metal Ox

  • DV-L70S DV-L70BL DV-L70W 12 Adjustment VR R1104 Adjustment Point Visual observation Input Signal/Setting External input Check and Check that the horizontal movement of OSD position is 1 mm or less Readjustment when inputting a signal in the external input mode with no signal input. If it is more than 1 mm, adjust it so as to get 1 mm or less. 6-5. CHECK AND READJUST

  • Sharp DV-L70S, 1234567891011 12 13 14 15 16 17 18 19 20 A B C D E F G H I J DV-L70S DV-L70BL DV-L70W DV-L70S DV-L70BL DV-L70W 68~69 13-4. LCD CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS å

  • Sharp DV-L70S, 47 DV-L70S DV-L70BL DV-L70W Pin No. I/O Terminal name Operation function Remarks 52 O LED1 LED control (green) LED control 53 O AV S DVD/TV control “H” is output during TV tuner reception. 54 O LED2 LED control (red) LED control 55 O AV P DVD/TV control “H” is output during TV tuner reception and external input. 56 DEF Defeat output H ... External synchronization (normal) L ... Internal synchronization (in the auto preset mode/during OSC adjustment) 57 O EPCS EPROM chip select H ... During data transmission/reception with E 2 PROM L ... W

  • Sharp DV-L70S, DV-L70S DV-L70BL DV-L70W 24 Pin No. Terminal name I/O Operation function Remarks 55 MOEN O External RAM output permission signal. 56 MWEN O External RAM read/write selection. 57 DVSS – Digital power. (0V) For logic cell 58 DVDD3 – Digital power. (3.3V) For logic cell 59 MA9 O External RAM address bus. 60 MA8 O External RAM address bus. 61 MA7 O External RAM address bus. 62 MA6 O External RAM address bus. 63 MA5 O External RAM address bus. 64 MA4 O External RAM address bus. 65 MA3 O External RAM address bus. 66 MA2 O External RAM address bus. 67 MA1 O External RAM address bus. 68 MA0 O External RAM addr

  • Sharp DV-L70S, DV-L70S DV-L70BL DV-L70W 34 9-12. IC702 BA5933FP-1 Pin No. Terminal name Operation function Pin No. Terminal name Operation function 1 STBY Stand-by mode selector switch 13 OP_OUT Operation amplifier output 2 OUT+ CH1 positive output terminal 14 OP_IN(-) Operation amplifier negative input 3 OUT- CH1 negative output terminal 15 OP_IN(+) Operation amplifier positive input 4 GND GND 16 IN2' CH2 gain adjustment input terminal 5 VCC VCC 17 IN2 CH2 gain fixed input terminal 6 MUTE Mute terminal 18 IN3' CH3 gain adjustment input terminal 7 GND Substrate GND 19 IN3 CH3 gain fixed input terminal 8 REG_OUT Constant voltage output 20 VCC VCC (c

  • Sharp DV-L70S, Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code 96 DV-L70S DV-L70BL DV-L70W SHARP CORPORATION AV Systems Group Quality & Reliability Control Center Yaita, Tochigi 329-2193, Japan COPYRIGHT C 1999 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. TQ0791-S Dec. 1999 Printed in JAPAN SA. NS DV-L70S DV-L70BL DV-L70W

  • DV-L70S DV-L70BL DV-L70W 48 11-23. IC3201 MB8346BV 12 bits shift register Address decoder D0 DI GND DO LD CLK D1 D2 D3 D4 D5 D6 D7 D8 1234 12 12 12 8 bits latch8 bits latch DO D9 D10 D11 Vcc 8 bits R-2R D/A Converter DIDO DI Vcc + - GND AO 1 AO12 VDD Vss 8 8 bits R-2R D/A Converter + - • Block Diagram Pin No. I/O Terminal name Remarks 17 I Data input termina

  • Sharp DV-L70S, 3 DV-L70S DV-L70BL DV-L70W åå åå åCAUTION BEFORE BATTERY DESTROY ËË ËË Ë NICKEL-CADMIUM BATTERY The following program is available in the United States. Please consult local environmental authorities concerning the availability of this or other programs in your area. The RBRCTM Seal SHARP participates in the RBRCTM* Nickel-Cadmium Battery Recycling Program in the United States. The RBRCTM 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 N

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