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7. CIRCUIT DESCRIPTION ............................................................. 14

A. Display- Controller............................................................................................ 14
B. Circuit of Plug and Play.................................................................................... 14
C. System Clock ................................................................................................... 14
D. Power Regularator ........................................................................................... 14

8. INTRODUCTION.......................................................................... 15

A. Front Panel Controls and Led .......................................................................... 15
B. Rear Panel Connectors.................................................................................... 16

9. TROUBLESHOOTING................................................................. 17

A. Main Procedure................................................................................................ 17

SCHEMATIC CIRCUITS

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.................................. 22

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Содержание CML170SXW

Страница 1: ...rité et les Notices de sécurité du produit présentés dans le présent manuel VORSICHT Vor Öffnen des Gehäuses hat der Service Ingenieur die Sicherheitshinweise und Hinweise zur Produktsicherheit in diesem Wartungshandbuch zu lesen Data contained within this Service manual is subject to alteration for improvement Les données fournies dans le présent manuel d entretien peuvent faire l objet de modifi...

Страница 2: ... without danger of electrical shock The service technician must make sure that no protective device built into the instrument by the manufacturer has become defective or inadvertently damaged during servicing CE MARK 1 HITACHI products may contain the CE mark on the rating plate indicating that the product contains parts that have been specifically approved to provide electromagnetic compatibility...

Страница 3: ...doit s assurer qu aucun des dispositifs de protection intégrés à cet instrument par le fabricant n est défectueux ou n a été endommagé de façon accidentelle lors de l entretien LABEL CE 1 Les produits HITACHI peuvent avoir reçu le label CE qui figure sur la plaque signalétique pour indiquer que cet ensemble contient des composants qui ont fait l objet d une homologation spécifique de respect des n...

Страница 4: ...s keine vom Hersteller im Gerät eingebaute Schutzvorkehrung schadhaft geworden ist oder bei der Wartung unabsichtlich beschädigt wurde CE KENNZEICHEN 1 HITACHI Produkte enthalten eventuell das CE Kennzeichen auf dem Leistungsschild welches angibt dass das Produkt Teile enthält die eigens zugelassen sind um bis zu einem spezifizierten Niveau elektromagnetische Störfreiheit zu bewirken 2 Wenn Sie ir...

Страница 5: ... PANEL 7 A Description 7 B Connector and Switch Locations 7 C Connector Type 7 D Connector Pin Assignment 8 4 VM 515 POWER and AUDIO BOARD 10 A Major Specification 10 B Description 10 C Electrical Characteristics 10 D Connector Location 10 E Connector Type 11 F Connector Pin Assignment 11 5 PK07006700 AMBIT T51I036 00 INVERTER BOARD 12 A Description 12 B Electrical Characteristics 12 C Connector L...

Страница 6: ...lay Controller 14 B Circuit of Plug and Play 14 C System Clock 14 D Power Regularator 14 8 INTRODUCTION 15 A Front Panel Controls and Led 15 B Rear Panel Connectors 16 9 TROUBLESHOOTING 17 A Main Procedure 17 SCHEMATIC CIRCUITS 22 v ...

Страница 7: ... interlaced 60Hz to 75 Hz vertical refresh rate 1280 x 1024 non interlaced 60Hz to 75 Hz vertical refresh rate Synchronization Frequencies Horizontal 24 kHz to 80 kHz Vertical 56 Hz to 75 Hz Pixel Frequency 21 Mhz 135 Mhz Resolution Horizontal 1280 dots Vertical 1024 lines Active Display Area Horizontal 337 92 mm Vertical 270 34 mm Viewing Angles Up 40deg down 80deg TYP Left 60deg Right 80deg TYP ...

Страница 8: ...max Green Stand by 5 Wmax Yellow Suspend 5 Wmax Yellow Off mode 5 Wmax Yellow DC power off 5 Wmax Dark disconnection 5 Wmax Dark DC power off Yellow DC power on Power saving states are measured with speakers attached but not worked The recovery time from stand by suspend off mode to on mode is 3 seconds maximun C 2 Power Consumption Meet VESA DPMS Proposal On mode 54 Wmax Stand by 5 Wmax Suspend 5...

Страница 9: ...224 57 2832 APPLE MAC 800 74 55 667 624 3 1 39 800x600 35 156 1024 800 72 24 128 36 SVGA 56 25 625 600 2 1 22 800x600 37 879 1056 800 128 40 88 40 VESA 600 60Hz 60 317 628 600 4 1 23 800x600 48 077 1040 800 120 56 64 50 VESA 600 72Hz 72 188 666 600 6 37 23 800x600 46 875 1056 800 80 16 160 49 5 VESA 600 75Hz 75 625 600 3 1 21 1024x768 48 363 1344 1024 136 24 160 65 XGA 60 004 806 768 6 3 29 1024x7...

Страница 10: ...y timings and control user functions Using Pixelworks design to generate optimum LCD timings Using E2PROM to memorize every adjusted parameter support up to 22 display modes from VGA to SXGA Offer full screen expansion function on non SXGA mode automatic flexible color temperature selection function including 9300 6500 and user mode Support OSD functions Support VESA DPMS function Support DDC1 2B ...

Страница 11: ... J3 DF14A 25P P1 25 HRS 25 F Connector pin assignment F 1 U6 Pin NO Signal Comment 1 R Video Red Video Input 2 G Video Green Video Input 3 B Video Blue Video Input 4 N C 5 PCDETECT PCDETECT Input 6 Ground Ground 7 Ground Ground 8 Ground Ground 9 5VCC DDC Power Input 10 Ground Ground 11 NC 12 SDA DDC 1 2B 13 HS Horizontal Sync Input 14 VS Vertical Sync Input 15 SCL DDC 2B ...

Страница 12: ... pairs 15 TX0 TMDS output data pairs 16 GND Ground 17 GND Ground 18 TX1 TMDS output data pairs 19 TX1 TMDS output data pairs 20 GND Ground 21 GND Ground 22 TX2 TMDS output data pairs 23 TX2 TMDS output data pairs 24 GND Ground 25 GND Ground F 3 JP1 Pin NO Signal Comment 1 2 3 12 VCC Inverter Power Output 4 BLON Bright Light ON OFF 5 6 10 11 12 GND GND 7 8 5 VCC Inverter Power Output 9 BRIGHT Brigh...

Страница 13: ...l and Audio Board A Description The VK 515 is designed to offer an user interfaced control panel which passes and receives signals to and from VL 701 display control board Also there is a stereo audio amplifier to drive a pair of speakers When in power saving mode the audio circuit can be turned off by the control signal from VL 701 board B Connector and Switch Locations C Connector type Location ...

Страница 14: ...ode 3 LED G Monitor on mode 4 10 GND 5 KEY UP Function select up to VL 701 6 KEY DOWN Function select down to VL 701 7 KEY R Function select right to VL 701 8 KEY L Function select left to VL 701 9 KEY PWR Power ON OFF signal to VL 701 D 3 J3 and J4 Pin NO Signal Comment 1 LO RO Speaker out 2 OUTL OUTR Speaker out D 4 J2 Pin NO Signal I O Comment 1 GND Ground 2 LI 2 Earphone out L 3 RI 2 Earphone ...

Страница 15: ...clockwise for decreasing D 8 Electrical characteristics Tamb 25 Audio amplifier Use Panasonic VP 7723A Audio Analyzor Item Audio Input Freq Spec Comment Min Typ Max Input Voltage V 11 4 12 12 6 Input Current mA 500 800 Audio Voltage Gain 500mVrms 1KHz 14dB Volume Max load 8 Ω Frequency Response 100mVrms 50Hz 20KHz 3dB 3dB Volume Max load 8 Ω Signaal to Noise ratio 500mVrms 1KHz 70dB Volume Max loa...

Страница 16: ...oltage Max Load Min Load Tolerance Ripple Noise max VCC 5 1V 1 9A 0 19A 5 150mVpp B Description The VM 515 is designed to supply the power to the VL 701 display control board Under the control of VL 701 it can run into power saving mode so that saving the power of the whole monitor C Efficiency 80 min at Maximum Load D Connector Locations ...

Страница 17: ...From adapter output cable F 2 J802 FOR I F CKT Pin No Signal Comment Pin 1 12V From adapter 12V power Pin 2 5 1V Supply for I F CKT Pin 3 4 GND GND F 3 J2 FOR K B SPEAKER Pin No Signal Comment Pin 1 VoL Adjustment audio volume Pin 2 5 8 GND GND Pin 3 OUTL Audio output L Pin 4 OUTL Audio output L Pin 6 OUTR Audio output R Pin 7 OUTR Audio output R F 4 J3 AUDIO INPUT Pin No Signal Comment Pin 1 GND ...

Страница 18: ...FFICIENCY 78 Vin 12V max brightness Operating Life Time 20 000 Hours note PWM dimming frequency 120HZ 140HZ 160HZ Brightness range 170cd 200cd Vbrite 0V 5V 0V brightness max Vin On OFF sequence 0 5Sec OLP Time 1Sec Open Lamp protection time Duty control 20 100 Strike voltage at 0 C 1420Vrms Strike voltage at 25 C 1100Vrms Note Life time Hr can be defined as the time in which it continues to operat...

Страница 19: ... BP 12V 5 6 10 11 12 GND GND 4 BLT_ON Back light ON OFF control high active 5V 7 5VS 5VS 9 BRITE BRITE Brightness 0 5V control from I F 0V for max brightness 8 NC NC D 2 CN2 CN3 JST SM04 4 0 B BHS 14P Pin NO Signal Comment 1 HV High voltage for lamp 2 HV High voltage for lamp 3 NC NC 4 LV Low voltage common ...

Страница 20: ...T DESCRPTION A Display Controller The U12 is image processor The functions of the CHIP support as below 1 Hight quality image scalar 2 On Chip 16 bit Microprocessor 3 On screen display 4 Automatic image optimizer B Circuit of Plug and Play Plug and play allows the serial communication of host PC and peripherals offering minimal configurations to end users This monitor supports DDC2B communication ...

Страница 21: ... Turns the monitor on and off 2 Power LED 1 Green indicates monitor is turns on 2 Dark indicates DC power off 3 Yellow indicates stand by suspend off mode 3 4 Function Button Launches OSD function menu circully 5 Plus Button Selects and adjusts the functions 6 Minus Button Selects and adjusts the functions ...

Страница 22: ...nnector Input Signals Rear Panel Cable and Connector Item Cable Connector Function 1 Signal Connector Connectors the video cable 2 Power Connector Connectors the adapter cable 3 Audio connector Connector the audio cable ...

Страница 23: ...9 TROUBLESHOOTING A Main Procedure 17 ...

Страница 24: ...18 A 1 Power Circuit Troubleshooting ...

Страница 25: ...19 A 2 Backlights Troubleshooting ...

Страница 26: ...20 A 3 Performance Troubleshooting ...

Страница 27: ...21 A 4 Function Troubleshooting ...

Страница 28: ...SCHEMATIC CIRCUITS ...

Страница 29: ...No 0504 Control Board VL 701 ...

Страница 30: ...No 0504 Control Board VL 701 ...

Страница 31: ...No 0504 Control Board VL 701 ...

Страница 32: ...No 0504 Control Board VL 701 ...

Страница 33: ...No 0504 Control Board VL 701 ...

Страница 34: ...No 0504 Control Board VL 701 ...

Страница 35: ...No 0504 Control Board VL 701 ...

Страница 36: ...No 0504 Control Panel VK 515 ...

Страница 37: ...No 0504 Power Audio Board VM 515 ...

Страница 38: ...No 0504 Power Audio Board VM 515 ...

Страница 39: ...No 0504 Power Audio Board VM 515 ...

Страница 40: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...

Страница 41: ... ITALY Tel 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI Europe AB Box 77 S 164 94 Kista SWEDEN Tel 46 0 8 562 711 00 Fax 46 0 8 562 711 13 Email csgswe hitachi eu com HITACHI EUROPE S A S Lyon Office B P 45 69671 BRON CEDEX FRANCE Tel 04 72 14 29 70 Fax 04 72 14 29 99 Email france consommateur hitachi eu com HITACHI EUROPE...

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