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No. 0413 CML181SXW SERVICE MANUAL 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 CAUTION: de modifications en vue de perfectionner le produit. Before servicing this chassis, it is important that the service technician read the “Safety Precautions”...
1. ELECTRICAL REQUIREMENTS................5 A. LCD Panel Specification......................5 B. CONTROLS ..........................6 C. Power Management ........................ 6 D. Display Modes FOR Inspections..................... 8 2. VL-706 DISPLAY CONTROL BOARD ...............9 A. Description ..........................9 B. Features ..........................9 C. BLOCK DIAGRAM ........................9 D.
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A. Quick specification review......................19 7. CIRCUIT DESCRPTION ..................19 A. Display-Controller ........................19 B. Circuit of Plug and Play ......................19 C. System Clock .......................... 19 D. Power Regulator ........................19 8. INTRODUCTION....................20 A. Front Panel Control and Led ....................20 B.
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WARNING 1) Critical Components are marked with the symbol of # in the material list. For continued protection against Low Radiation, replace only with same part number. This symbol warns the personnel that un-insulated voltage within the unit may have sufficient magnitude to cause electric shock.
B. CONTROLS B-1 Control panel (monitor front panel) 1. Power LED 2. Adjust decrease. 3. Adjust increase. 4. Function select counter-clockwise. 5. Function select clockwise. 6. Power ON/OFF switch, push to ON and push to OFF. (toggle switch) 7. Ear phone jack. 8.
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C-2 Power Consumption Meet VESA DPMS Proposal On mode 54 Wmax Stand-by 5 Wmax Suspend 5 Wmax Off mode 5 Wmax DC power off 5 Wmax disconnection 5 Wmax Measured from AC input end of AC power adapter. Power saving states are measured with speakers attached but not worked.
2. VL-706 DISPLAY CONTROL BOARD A. Description The VL-706 display control board is design to directly convert the analog RGB signals from standard VGA display card to optimum LCD timing signals so as to construct a high display quality LCD monitor. B.
D. Connector Locations E. Connector Type Location Type Maker Number of pins 1211-15 E&T 15 74320-1004 FEMALE 96113-1203 E&T 12 96113-0513 E&T 5 96113-1003 E&T 10 96118-0413 E&T 4 98210-3011 E&T 30 F. Connector pin assignment Pin NO. Signal Comment R-Video Red Video Input.
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Terminal No. Symbol Function 28,29,30 5V POWER SUPPLY TXE0- LVDS EVEN OUTPUT DATA PAIRS TXE0+ LVDS EVEN OUTPUT DATA PAIRS TXE1- LVDS EVEN OUTPUT DATA PAIRS TXE1+ LVDS EVEN OUTPUT DATA PAIRS TXE2- LVDS EVEN OUTPUT DATA PAIRS TXE2+ LVDS EVEN OUTPUT DATA PAIRS TXECLK- LVDS EVEN OUTPUT DATA PAIRS TXECLK+...
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Pin NO. Signal Comment 12 VCC 12 VCC Power Input 5 VCC 5V Power Input Pin NO. Signal Comment MUTE Volume ON/OFF control LED-Y Power saving mode LED-G Monitor is ON KEY-UP Function select counter-clockwise key KEY-DOWN Function select counter-clockwise key KEY-R Adjust up key KEY-L...
3. VC-702 LVDS SIGNAL TRANSFER BOARD A. Description The VC-702 is the transfer PCB for LVDS signal transfer to LCD panel. B. Connector Locations LCM888 VC-702 REV: 1 C. Connector Type Location Type Maker Number of pin Pitch 98210-3011 E&T 0.5mm 3800-30 E&T...
4. VK-517 Control Panel and Audio Board A. Description The VK-517 is designed to offer an user interfaced control panel which passes and receives signals to and from VL-706 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-706 board.
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D-2 J5 Pin NO. Signal Comment MUTE Volume ON/OFF control LED-Y Power saving mode. LED-G Monitor on mode. 4,10 KEY-UP Function select up to VL-706 KEY-DOWN Function select down to VL-706 KEY-R Function select right to VL-706 KEY-L Function select left to VL-706 KEY-PWR Power ON/OFF signal to VL-706 D-3 J3 and J4...
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D-5 Switch definition Location Definition Power ON/OFF Function select by clockwise direction Function select by counter-clockwise direction Adjust up Adjust down D-6 LED definition Location Definition Green for ON mode; Dark for DC power off; Yellow for stand by; suspend; off mode.
5. VM-517 POWER and AUDIO A. Major Specification Input voltage: 12V±5% from adapter (LSE 9901B1260) Inout current: 5A max. Output: ITEM Output Voltage Max Load. Min Load Tolerance Ripple & Noise(max) ± +5.1V 1.9A 0.19A 150mVpp B. Description The VM-517 is designed to supply the power to the VL-706 display control board. Under the control of VL-706, it can run into power saving mode so that saving the power of the whole monitor.
F. Connector pin Assignment J801 DC 12V Input Pin No Signal Comment Pin 1 +12V From adapter output cable Pin 2 From adapter output cable 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...
6. AC Adapter (LSL9901B12320) A. Quick specification review • Input voltage Single phase, 50/60HZ, 100VAC to 240VAC ±10% • Input current 1.5A (max), at 90VAC input and full load 0.75A (max), at 264 VAC input and full load. • Inrush current @ cold start 30A(0-peak)@ 110Vac ,50A(0-peak) @ 220Vac •...
8. INTRODUCTION A. Front Panel Control and Led Front Panel Controls Item Control Function Power Switch Turns the monitor on and off. Power LED 1. Green indicates monitor is turns on. 2. Dark indicates DC power off. 3. Yellow indicates stand-by, suspend, off mode.
B. Rear Panel connector Input Signals Rear Panel Cable and Connector Item Cable / Connector Function Signal Connectors the video cable Connector Power Connectors the adapter cable Connector Audio connector Connector the audio cable...