Sharp DV-NC100X Service Manual

Text of Sharp DV-NC100X User Guide:

• Sharp DV-NC100X, 2-4-4 H9745DA [1] (S-1) (S-1) Fig. DM3 Fig. DM4 Locking tab View for A First, while pushing the locking tab as shown at right, slide and pull up the right side on [2] to release Pin A and Pin B from the slots A. Then, remove Pin C and Pin D on [2] from the slots B as shown. Slot A Slots B Pin A Slot A Pin B [2] Pin C Pin D Pull up Slide 1 2 A [3] [6] [6] (L-2) Pin A Hole A Pin B Hole B (L-1) First, insert [6] diagonally in [3] as shown below. Then, install [6] in [3] while pushing (L-1) in a direction of arrow. After installing [6] in [3], confirm that pin A of [3] enters hole A of [6] properly. Installation of [3] and [6

• Sharp DV-NC100X, 2-7-2 H9745DPL Ref. No. Description Part No. Code B568 BT ARM MK12 9HS0VM305728 AC B570 CAM RACK SPRING(HI) MK11 9HS0VM412923 AB B571 P.S.W CUT 1.6X4.0X0.5T 9HS0VM408485A AA B573 REEL(SP)(D2) MK12 9HS0VM203755 AC B574 REEL(TU)(D2) MK12 9HS0VM203756 AC B587 TENSION LEVER ASSEMBLY MK12 9HS0VSA13279 AG B590 BRAKE ARM(TU) MK12 9HS0VM203752E AB B591 BAND BRAKE(TU) MK12 9HS0VM305724C AC B592 TG POST MK11 9HS0VM412550 AB B593 CAM HOLDER ASSEMBLY MK12.5 9HS0VSA14634 AB L1051 SCREW, B-TIGHT M2.6X6 PAN HEAD+ 9HSGPMB9060 AA L1053 SCREW, S-TIGHT M2.6X8 WASHER HEAD+ 9HSGCMS9080 AA L1151 SCREW, SEMS M2.6X4 PAN HEAD+ 9HSCPM39040 AA L1191 SCREW, S-TIGHT M

• Sharp DV-NC100X, 1-10-12 H9745TS FLOW CHART NO.11 Hi-Fi E-E audio does not operate normally. Check the peripheral circuit of the front input terminal and service it if defective. Check the peripheral circuit of the rear input terminal and service it if defective. Check the circuit of AL+5V, P-ON+5V and P-ON+9V, and service it if defective. Is the SIF signal outputted from Pin(22) of the tuner ? Is the 5V voltage supplied to Pins(14, 30, 36, 62) of IC451, or the 9V voltage supplied to Pin(60) of IC451? Is the serial data and the clo

• Sharp DV-NC100X, 2-3-3 H9745MA 1-A. Preliminary/Final Checking and Alignment of Tape Path Purpose: To make sure that the tape path is well stabilized. Symptom of Misalignment: If the tape path is unstable, the tape will be damaged. Note: Do not use an Test Tape for this procedure. If the unit is not correctly aligned, the tape may be damaged. 1. Playback a blank cassette tape and check to see that the tape runs without creasing at Guide Rollers [2] and [3], and at points A and B on the lead surface. (Refer to Fig. M3 and M4.) 2. If creasing is apparent, al

• Sharp DV-NC100X, 1-11-7 H9745BLD Digital Signal Process Block Diagram DATA(VIDEO/AUDIO) SIGNAL DVD VIDEO SIGNAL DATA(AUDIO) SIGNAL C16 D18 A17 B15 E14 F12 DVD-LD 8 CD-LD 10 PD-MONI 7 FS(+) 2 FS(-) 3 TS(+) 1 TS(-) 4 CN201 CN201 CN201 IC201 (SW) IC503 (SDRAM) IC101 (MICRO CONTROLLER) FS FS(+) CD/DVD FS(-) TS(+) TS(-) TS PICK-UP UNIT DETECTOR CD/DVD 19 Q251,Q252 CD DVD AMP Q253,Q254 AMP 4 1 3 6 GND(DVD-PD) 6 GND(CD-PD) 5 GND(LD) 9 TO DVD SYSTEM CONTROL/SERVO BLOCK DIAGRAM RF SIGNAL PROCESS CIRCUIT DVD/CD FORMATTER AUDIO I/F VIDEO I/F NTSC/PAL ENCODER DMA BCU INST. ROM 32BIT CPU DATA RAM INTERRUPT CONTROLLER WATCH DOG TIMER CPU

• Sharp DV-NC100X, 2-3-2 H9745MA 1. Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the preset position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Test Tape (9HSFL6NS8) (Refer to "SERVICE FIXTURE AND TOOLS" section.) Guide Roller Adj. Screwdriver Flat Screwdriver (Purchase Locally) Note: Before starting this Mechanical Alignment, do all Electrical Adjustment procedures. Adjust the X Value for maximum envelope. (Page 2-3-3) (Use Alignment Tape.) Check to see

• 1-7-3 H9745DC CN201 CN301 (S-6) (S-6) A [7] DVD Main CBA Unit View for A Short the three short lands by soldering. (Either of two places.) Short lands Short lands FPC Cable DVD Mecha OR Solder Solder Fig. D4 (S-11) (S-11) (S-10) (S-9) (S-7) (S-8) Fig. D5 [8] VCR Chassis Unit

• Sharp DV-NC100X, 1-11-3 Audio Block Diagram H9745BLA 98 REC AMP 7 6 AUTO BIAS 99 P-ON+5V P-ON+5V Q401 BIAS OSC Q402 N-A-PB TO Hi-Fi AUDIO BLOCK DIAGRAM N-A-REC Q404 (PB=ON) Q405 (PB=ON) Q403 SWITCHING D-REC-OFF 4 EQ AMP 100 1 2 LINE AMP MUTE 96 3 PB-ON SP/LP-ON P R ALC IC301 (AUDIO PROCESS) 76 4 A-PB/REC CN504 3 A-COM 1 AE-H 2 AE-H/FE-H AUDIO HEAD AUDIO ERASE HEAD AC HEAD ASSEMBLY FE HEAD 1 FE-H 2 FE-H-GND CN501 MAIN CBA PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC 10 D-REC-H A-MUTE-H FULL ERASE HEAD 23 24 SERIAL DECODER (DECK ASSEMBLY) LINE1 LINE2 80 A-IN-F IIC-BUS SCL IIC-BUS SDA TO SE

• Ref. No. Description Part No. Code 1-19-13 H9745EL R514 CARBON RES. 1/6W G 10k Ω 9HSCX6GATZ0103 AA R516 CARBON RES. 1/6W G 470 Ω 9HSCX6GATZ0471 AA R517 CARBON RES. 1/4W J 270 Ω 9HSCX4JATZ0271 AA R519 CARBON RES. 1/6W G 22k Ω 9HSCX6GATZ0223 AA R520 CARBON RES. 1/6W J 330 Ω 9HSCX6JATZ0331 AA R523 CARBON RES. 1/6W G 1.5k Ω 9HSCX6GATZ0152 AA R525 CARBON RES. 1/6W J 390k

• Sharp DV-NC100X, 1-19-1 H9745EL ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing. NOTES: 1. Parts that not assigned part numbers (---------) are not available. 2. IC103 is not supplied separately. Be sure to replace with the DVD Main CBA unit when servicing IC103. 3. Tolerance of Capacitors and Resistors are note

• 1 DV-NC100X SHARP CORPORATION AV Systems Group Quality & Reliability Control Center Yaita, Tochigi 329-2193, Japan COPYRIGHT © 2004 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

• 1-15-3 H9745PIN [ DVD Section ] IC612 ( PT6313-S -TP ) Pin No. In/Out Signal Name Name Function 1 In FP-CLK Clock Input 2 In FP-STB Serial Interface Strobe 3 NU Not Used NU Not Used 4 5 - VSS GND 6 - VDD Power Supply 7 Out a 8 Out Out b 9c 10 Out Out Out d 11 Out e Segment Output 12 f 13 g 14 Out h 15 - VEE Pull Down Level 16 i Segment Output 17 Out Out 7G Grid

• Sharp DV-NC100X, 1-1-1 H9745SP SPECIFICATIONS Description Unit Minimum Nominal Maximum Remark 1. Video 1-1. Video Output ( PB ) Vp-p 0.8 1 1.2 9HSFL6A 9HSFL6M W/O Burst 9HSFL6A 9HSFL6K 9HSFL6HA 1-2. Video Output ( R/P ) Vp-p 0.8 1 1.2 1-3. Video S/N Y ( R/P ) dB 40 43 1-4. Video Color S/N AM ( R/P ) dB 35 41 1-5. Video Color S/N PM ( R/P ) dB 33 38 1-6. Resolution ( PB ) Line 210 230 2. Servo 2-1. Jitter Low µsec 0.07 0.12 2-2. Wow & Flutter % 0.3 0.6 3. Normal Audio 3-1. Output ( PB ) dBV -9 -4 -2 3-2. Output ( R/P ) dBV -9 -4 -1 3-3. S/N ( R/P ) dB 36 40 3-4. Distortion ( R/P ) % 1.5 4

• 1-1-2 H9745SP NOTES: 1. All Items are measured without pre-emphasis unless otherwise specified. 2. Power supply : AC220 V - 240 V ~ 50Hz 3. Load imp. : 100 k ohm 4. Room ambient : 5 °C ~ 40 °C 5. Power consumption: 21 W (Standby: 5 W) 6. Weight: 6.84 lbs (3.2kg) 7. Dimension: 435 mm X 94 mm X 233 mm ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Video Output 75 Ω Vpp 1

• Sharp DV-NC100X, 1-4-2 DVD_NOTE2 How to Remove / Install Flat Pack-IC 1. Removal With Hot-Air Flat Pack-IC Desoldering Machine: (1) Prepare the hot-air flat pack-IC desoldering ma- chine, then apply hot air to the Flat Pack-IC (about 5 to 6 seconds). (Fig. S-1-1) Fig. S-1-1 (2) Remove the flat pack-IC with tweezers while apply- ing the hot air. (3)Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) (4) Release the flat pack-IC from the CBA using twe

• Sharp DV-NC100X, 1-19-16 H9745EL AC1001! AC CORD PS8B1SP9G0A-067 9HSAA0202LW005 AH A4 JACK COVER (TUNER) H97A0YD 9HS0VM416640 AC F1001! FUSE T1.6AL/250V 9HSAGC20BW3162 AC FH1001 FUSE HOLDER MSF-015 9HSH01Z00LY001 AA FH1002 FUSE HOLDER MSF-015 9HSH01Z00LY001 AA J36 CARBON RES. 1/6W J 100 Ω 9HSCX6JATZ0101 AA J45 CARBON RES. 1/6W J 1k Ω 9HSCX6JATZ0102 AA J46 CARBON RES. 1/6W J 1k Ω 9HSCX6JATZ0102 AA JK1202 RCA JACK(BLACK) MSP-281V2-B 9HSXRL010LY062 AC JK1401 S TYPE JACK MDC-050V-2.4 9HSXEL040LY001 AE JK1403 RCA JACK MSP-283V-B-752

• Sharp DV-NC100X, 2-4-3 H9745DA [14] [13] [11] [10] [12] [7] [8] [30][40] [16] [39] [38] [42][41] [43][9] [34] [15] [36] [35] [29] Fig. DM1 Top View [46] [32] [20] [33] [24] [25] [27] [26] [23] [28] [31][21][22] Bottom View Fig. DM2

• Sharp DV-NC100X, 1-9-1 H9745TEST FIRMWARE is built-in program to operate DVD player. To get rid of error when playing new software (disc) in the market, FIRMWARE version is updated. Perform the following to update the FIRMWARE version. 1. Turn the power on and remove the disc on the tray. 2. To put the DVD player into version up mode, press [9], [8], [7], [6], and [DIRECT SKIP] buttons on the remote control unit in that order. The tray will open automatically. Fig. a appears on the screen and Fig. b appears on the VFD. F/W Version Up Mode Model

• Sharp DV-NC100X, 2-3-4 H9745MA No Good Good FM envelope output signal is low. 2ms FM envelope signal CTL signal Center Position FM envelope output signal is adjusted at maximum. Fig. M7 6. Set the Tracking Control Circuit to the preset position by pressing CH UP button on the remote control unit. and then "PLAY" button. 1-C. Checking/Adjustment of Enve- lope Waveform Purpose: To achieve a satisfactory picture, adjust the PB FM envelope becomes as flat as possible. Symptom of Misalignment: If the envelope output is poor, noise will appear in the picture. The tracking will then lose precision and the

• Sharp DV-NC100X, Ref. No. Description Part No. Code 1-19-10 H9745EL D1008 SCHOTTKY BARRIER DIODE SB140 9HSDQZ000SB140 AC D1011 RECTIFIER DIODE BA159 9HSDQZ000BA159 AB D1012 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M AA D1016 RECTIFIER DIODE FR101 9HSDWZ000FR101 AB D1017 ZENER DIODE DZ-18BSBT265 9HSDTB00DZ18BS AB D1018 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M AA D1019 ZENER DIODE DZ-6.8BSBT265 9HSDTB0DZ6R8BS AB D1022 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M AA D1024 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M AA D1025 SWITCHING DIODE 1N4148M 9HSDTZ01N4148M AA D1030 SCHOTTKY BA

• Sharp DV-NC100X, 1-7-5 H9745DC HOW TO EJECT MANUALLY 1. Remove the Top Case. 2. Rotate the roulette in the direction of the arrow as shown below. 3. Pull the tray slowly with a hand. A View for A Rotate this roulette in the direction of the arrow A DVD Mecha

• Sharp DV-NC100X, 1-7-1 H9745DC CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route, and dress the cables as they were originally. 1 : Identification (location) No. of parts in the figures 2 : Name of the part 3 : Figure Number for reference 4 : Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or de- soldered. P=Spring, L=Locking Tab

• Sharp DV-NC100X, 1-3-1 E5752IMP 1. IMPORTANT SERVICE NOTES BEFORE RETURNING THE DVD VIDEO PLAYER Before returning the DVD video player to the user, perform the following safety checks. 1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the DVD video player. 2. Inspect all protective devices such as non-metallic control knobs, insulation materials, cabinet backs, adjustment and compartment covers or shields, isola- tion resistor/capacitor networks, mechanical insula- to

• 2-4-5 H9745DA Fig. DM6 Desolder from bottom Lead with Red Stripe View for A (S-2) [7] (L-14) [46] [47] A View for A Desolder from bottom Lead with White Stripe Fig. DM7 A [8] [9] (S-4) (S-3) LDG Belt [8] Pin of [12] Pin of [10] Groove of [28] View for A Fig. DM8-1 When reassembling [10] and [12], confirm that pin of [10] and pin of [12] are in the groove of [28] as shown. [2

• Sharp DV-NC100X, 1-4-3 DVD_NOTE2 (4)Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) (5) Release the flat pack-IC from the CBA using twee- zers. (Fig. S-1-6) Note: When using a soldering iron, care must be taken to ensure that the flat pack-IC is not being held by glue. When the flat pack-IC is removed from the CBA, handle it gently because it may be damaged if force is applied. To Solid Mounting Point Soldering Iron Iron Wire or Hot Air Blower Fig. S-1-5

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Sharp DV-NC100X Operation manual 12-11-2022 32

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