Manuale d’uso / di manutenzione del prodotto 910N del fabbricante Sharp
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TFT -LCD MONITOR Chassis Model MJ15AS* 510N MJ15BS* 510T MJ17AS* 710N MJ17BS* 710T MJ19AS* 910N MJ19BS* 910T Manual SERVICE TFT -LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignments & Adjustments 5.
Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Kyungki-Do, Korea,443-742 Printed in Korea P/N : BN82-00087S-00 http://itself.sec.samsung.co.kr ❈ This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.
MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 1-1 1-1-1 Warnings 1. For continued safety, do not attempt to modify the circuit board. 2. Disconnect the AC power and DC power jack before servicing. 1-1-2 Servicing the LCD Monitor 1. When servicing the LCD Monitor, Disconnect the AC line cord from the AC outlet.
1-2-1 General Servicing Precautions 1. Always unplug the unit’s AC power cord from the AC power source and disconnect the DC Power Jack before attempting to: (a) remove or reinstall any component or assembly, (b) disconnect PCB plugs or connectors, (c) connect a test component in parallel with an electrolytic capacitor.
2 Product Specifications 2-1 MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS* Specifications LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, TFT-LCD panel, RGB vertical stripe, normally black transmissive , 15-Inch viewable, 0.297 (H) x 0.297 (V) mm pixel pitch 17-Inch viewable, 0.
2 Product Specifications 2-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 2-2 MJ19AS*/MJ19BS* Specifications LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 19-Inch viewable, 0.297 (H) x 0.297 (V) mm pixel pitch Scanning Frequency Horizontal : 31 kHz ~ 61 kHz (Automatic) Vertical : 55 Hz ~ 76 Hz Display Colors 16.
2 Product Specifications MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 2-3 2-3 Pin Assignments Sync Type Pin No. 15-Pin D-Sub Signal Cable Connector Separate Composite 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Red Green Blue GND DDC Return (GND) GND-R GND-G GND-B DDC Power Input (+5V) Self Raster GND Bi-Dr Data (SDA) H-Sync.
2 Product Specifications 2-4 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* QR S P O Video Sync Sync Horizontal Vertical CD E P O B A Video Sync Sync Separate Sync 2-4 T iming Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals.
MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 3-1 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the MJ15AS*/MJ17AS*/MJ19AS*/MJ15BS*/MJ17BS*/MJ19BS* TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices.
3 Disassembly and Reassembly 3-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 6. Remove 7 screws, 4 hexa screws from the boards and lift up the boards. Caution : When repairing panel only, disconnect just LVDS cable, Panel-Lamp / Wire marked in circle in the picture without removing the screws on board in order to lift the board up.
4-1 Required Equipment The following equipment is necessary for adjusting the monitor: • Computer with Windows 95, Windows 98, or Windows NT. • MTI-2031 DDC MANAGER JIG 4-2 Automatic Color Adjustment To input video, use 16 gray or any pattern using black and white.
4 Alignments and Adjustments 4-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 4-6 Service Function Spec. 4-6-1 How to Display Service Function OSD 1. The value for brightness and contrast should be changed to zero. 2. Within 5 seconds, press the (Enter/Source) key.
4 Alignments and Adjustments MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 4-3 Figure 4. 4-6-3 How to Control Service Function OSD • After change the panel or lamp, you must reset service function OSD. • The case of panel change After changeing the panel, press the menu key within 5 seconds,.
4 Alignments and Adjustments 4-4 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* Memo.
MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 5-1 5 T roubleshooting Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1024 x 768 • H-frequency: 61 kHz • V-frequency: 75 Hz 2. If no picture appears, make sure the power cord is correctly connected.
5 Troubleshooting 5-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1280 x 1024 • H-frequency: 64 kHz • V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected.
5 Troubleshooting MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 5-3 X400 oscillate properly? 5-2-1 No Video (ANALOG) 1 Replace or check related circuit. Check signal cable connection and power. Yes No Is there R, G, B input at R100, R101 and R103? Check input part.
5 Troubleshooting 5-4 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 1 WA VEFORMS 2 3.
5 Troubleshooting MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 5-5 X400 oscillate properly? 5-2-2 No Video (DIGIT AL) 1 Replace or check related circuit. Check signal cable connection and power. Yes No Is there R, G, B input at R110, R112, R114, R111, R113 and R115? Check input part.
5 Troubleshooting 5-6 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 1 WA VEFORMS 2 3 5 4 6 7.
MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 6-1 6 Exploded V iew and Parts List ❈ You can search for updated part codes through ITSELF web site.
6 Exploded View & Parts List 6-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 6-2 MJ15BS*.
6 Exploded View & Parts List MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 6-3 6-3 MJ17AS*.
6 Exploded View & Parts List 6-4 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 6-4 MJ17BS*.
6 Exploded View & Parts List MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 6-5 6-5 MJ19AS*.
6 Exploded View & Parts List 6-6 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 6-6 MJ19BS*.
0 MJ15AS 1 E27-MJ15AS - 1 SEC,LTM150XO-L01 - 3 BN94-00527D - ASSY PCB MAIN MJ15AS SNA 4 0204-002420 CIS3 SOLVENT 1M-1000,C3H70H,96,-,- SNA 4 0204-002426 CIS4 FLUX DF-201TVS,MIX,0.
5 2203-005005 C423 C-CER,CHIP 100nF,10%,16V,X7R,TP,1608 SA 5 2203-005005 C424 C-CER,CHIP 100nF,10%,16V,X7R,TP,1608 SA 5 2203-005065 C603 C-CER,CHIP 1000nF,+80-20%,10V,Y5V,-,1608 SA 5 2203-005005 C604 .
5 2007-000074 R237 R-CHIP 100ohm,5%,1/10W,TP,1608 SA 5 2007-000084 R238 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 SA 5 2007-000074 R239 R-CHIP 100ohm,5%,1/10W,TP,1608 SA 5 2007-000074 R240 R-CHIP 100ohm,5%,1/10.
2 BN91-00785H - ASSY SHIELD MJ15BS/GS15MS/MJ15AS SNA 3 0203-001598 CIS TAPE-FILAMENT #8915,0.15,12,55000,CLR SNA 3 6001-000125 SH/COV+PAN SCREW-MACHINE BH,+,M3,L4,ZPC(YEL),SM20C,- SNA 3 6003-000117 SH.
4 3711-004712 CN600 CONNECTOR-HEADER BOX,9P,1R,2mm,STRAIGHT,SN SA 4 6003-000117 IP/PCB+BRKT/PCB SCREW-TAPTITE BH,+,B,M3,L6,ZPC(YEL),SWRCH18A SNA 4 6003-000117 M/PCB+BRKT/PCB SCREW-TAPTITE BH,+,B,M3,L6.
5 0401-001056 D101 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP SA 5 0401-001056 D103 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP SA 5 0401-001056 D105 DIODE-SWITCHING MMBD4148SE,100V,200MA,SOT-23,TP SA 5 0402-001080 D600 DIODE-RECTIFIER GF1G,400V,1A,DO,TP SA 5 3301-001145 FT600 BEAD-SMD 60ohm,4516,6000mA,TP,70ohm/45MHz,82ohm/760MHz,0.
5 2007-000090 R600 R-CHIP 10Kohm,5%,1/10W,TP,1608 SA 5 2007-000090 R602 R-CHIP 10Kohm,5%,1/10W,TP,1608 SA 5 2007-000074 R603 R-CHIP 100ohm,5%,1/10W,TP,1608 SA 5 2007-000090 R604 R-CHIP 10Kohm,5%,1/10W,TP,1608 SA 5 2801-003773 X400 CRYSTAL-SMD 12MHZ,30PPM,28-AAN,20PF,50OHM,TP SA 5 0403-001411 ZD100 DIODE-ZENER -,5.
3 BH69-40321A P/M PACKING-PAD SW-4,W2155*L140,-,DEC,-,-,-,-, SNA 3 BN68-00129A P/M LABEL SHIPPING -,LABEL SHIPPING,ART-PAPER,100G,-,WHT,BLACK,-,-,- SNA 3 BN69-00123L P/M PAD PACKING RJ15PO SNA 3 BN69-.
5 2203-005005 C114 C-CER,CHIP 100nF,10%,16V,X7R,TP,1608 SA 5 2203-000236 C116 C-CER,CHIP 0.1NF,5%,50V,C0G,TP,1608 SA 5 2203-000998 C117 C-CER,CHIP 0.047NF,5%,50V,C0G,TP,1608 SA 5 2203-005005 C200 C-CE.
5 2007-000113 R138 R-CHIP 33ohm,5%,1/10W,TP,1608 SA 5 2007-000113 R139 R-CHIP 33ohm,5%,1/10W,TP,1608 SA 5 2007-000070 R200 R-CHIP 0ohm,5%,1/10W,TP,1608 SA 5 2007-000090 R202 R-CHIP 10Kohm,5%,1/10W,TP,1608 SA 5 2007-000090 R203 R-CHIP 10Kohm,5%,1/10W,TP,1608 SA 5 2007-000084 R204 R-CHIP 4.
2 BN90-00329T - ASSY STAND MJ17ASAB/*,BK07,PIVOT SNA 3 BN96-01193B STD ASSY STAND P-PIVOT Matisse17/19,ABS HB,BK07 SNA 2 BN90-00641D - ASSY COVER REAR MJ19AS SNA 3 6003-000337 C/R+STD SCREW-TAPTITE BH,+,S,M4,L10,ZPC(BLK),SWRCH18 SNA 3 BN96-01055B C/R ASSY COVER P-REAR MJ19AS,ABS HB,BK07 SNA 4 BN61-00377A C/R BRACKET-VESA GOYA19(193V),SECC,T1.
7 Electrical Parts List 7-12 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* Loc. No Code Description 7-4 MJ15BS*/MJ17BS*/MJ19BS* Different Circuit Part List C111 2203-001402 C-CERAMIC,CHIP C113 2203.
MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 8-1 8 Block Diagram 8-1 MJ15AS*/MJ17AS*/MJ19AS* ANALOG Block Diagram R G B H- s y n c V- s yn c AD C / IM A GE S CA L E R / L V DS (S E7889) MI C O M 12M Hz L C D P A N E L S M P S +1 3 V +1 3 V IN V E R T E R IP BO AR D +5 V (O N)+ 5V +0 ~ 3 .
8 Block Diagrams 8-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 8-2 MJ15BS*/MJ17BS*/MJ19BS* DIGIT AL Block Diagram R G B H- s y n c V- s yn c (PC)A N A L O G AD C / IM A GE S CA L E R / L V DS (.
MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 10-1 10 PCB Layout 10-1 MJ15AS* ANALOG PCB X Y D100 DIODE-ZENER 60.5 16.0 D101 DIODE-SWITCHING 78.3 12.3 D103 DIODE-SWITCHING 73.6 12.2 D105 DIODE-SWITCHING 68.0 12.4 D600 DIODE-RECTIFIER 10.5 46.1 ZD200 DIODE-ZENER 107.
10 PCB Layout 10-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 10-2 MJ15BS* DIGIT AL PCB X Y D100 DIODE-ZENER 60.5 16.0 D101 DIODE-SWITCHING 78.3 12.3 D102 DIODE-SWITCHING 43.4 14.0 D103 DIODE-SWITCHING 73.6 12.2 D104 DIODE-SWITCHING 43.3 19.6 D105 DIODE-SWITCHING 68.
10 PCB Layout MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 10-3 10- 3 MJ17AS*/MJ19AS* ANALOG PCB X Y D100 DIODE-ZENER 60.5 16.0 D101 DIODE-SWITCHING 78.3 12.3 D103 DIODE-SWITCHING 73.6 12.2 D105 DIODE-SWITCHING 68.0 12.4 D600 DIODE-RECTIFIER 10.5 46.
10 PCB Layout 10-4 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 10-4 MJ17BS*/MJ19BS* DIGIT AL PCB X Y D100 DIODE-ZENER 60.5 16.0 D101 DIODE-SWITCHING 78.3 12.3 D102 DIODE-SWITCHING 43.4 14.0 D103 DIODE-SWITCHING 73.6 12.2 D104 DIODE-SWITCHING 43.3 19.
MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 9-1 9 Wiring Diagram CN600 VCC LED_GRN NC Key 2 Key 1 GND CN400 NC GND RxE3+ RxE3- GND RxEC+ RxEC- GND RxE2+ RxE2- GND RxE1+ RxE1- GND RxE0+ RxE0- RxO3.
Memo 9 Wiring Diagram 9-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS*.
MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 11-1 11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. Reserved 2.5V ~ 5.5V RxEC- 15" : +3.3V In +5V(17"/19")/+3.3V(15") 5V GOYA 2 M/M Only (Option) RxE3+ GND SE7888/SE7889 5V GND M/M OPTION RxE2+ M/M OPTION 5.
11 Schematic Diagrams 11-2 MJ15AS*/MJ17AS*/MJ19AS*/ MJ15BS*/MJ17BS*/MJ19BS* 1 2 3 4 5 6 7.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Sharp 910N è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Sharp 910N - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Sharp 910N imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Sharp 910N ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Sharp 910N, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Sharp 910N.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Sharp 910N. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Sharp 910N insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
