Table of Contents
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LCD VIDEO MONITOR
Specifications............................................................................................. 1
Block Diagram ........................................................................................... 2
Power Supply............................................................................................. 3
Linear PCB.......................................................................................... 4
A/D PCB .............................................................................................. 6
Printed Circuit Boards ................................................................................ 7
Wiring Diagram ........................................................................................ 10
Electrical Parts List .................................................................................. 11
Mechanical Parts List............................................................................... 16
Exploded View / Disassembly.................................................................. 17
Waveforms ............................................................................................... 18
Schematic Diagrams ................................................................................ 19
INDEX
VM-570B
JUNE 1994
(with price)
Page
R
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Summary of Contents for Casio VM-570B
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Page 1: Table Of Contents
(with price) LCD VIDEO MONITOR VM-570B JUNE 1994 Page Specifications..................... 1 Block Diagram ................... 2 Power Supply..................... 3 Adjustment Linear PCB..................4 A/D PCB ....................6 Printed Circuit Boards ................7 Wiring Diagram ..................10 Electrical Parts List .................. 11 Mechanical Parts List................ -
Page 2: Power Supply
POWER SUPPLY VCC2 VEE1 T100 D115 LC12U-21 DC 6V VCC7 VCC6 Q102 from IC400 D116 L101 C151 Vref D117 R104 C152 Q100 D118 Q101 Fig. 3 The power supply consists of DC-DC converter, and causes the voltages to be output as shown in Table - 2. Name Voltage Function... -
Page 3: Adjustment
ADJUSTMENT Linear PCB 1) Items to Be Adjusted: Item Measuring Instrument VCC2 voltage setting Voltmeter Contrast adjustment TV signal generator, Pattern generator, Oscilloscope AGC adjustment TV signal generator, Pattern generator, IF levelmeter 2) Adjustment and Test Point Locations: TOP VIEW VR100 —... - Page 4 BOTTOM VIEW R200 Pad IF 3) Equipment Connection / Procedure Vcc2 Voltage Setting Voltmeter Output Input Input Input Output Output Adjust Adjust for Connection Point Signal Connection Point Adjust for 4.00 ± 0.02V VR100 Voltmeter reading on voltmeter. Contrast Adjustment * Open soldering pad IF.
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Page 5: A/D Pcb
A/D PCB 1) Item to Be Adjusted: Item Measuring Instrument Clock adjustment Voltmeter 2) Adjustment and Test Point Locations: TOP VIEW VR700 3) Equipment Connection / Procedure Clock Adjustment Voltmeter Output Input Input Input Output Output Adjust Adjust for Connection Point Signal Connection Point... -
Page 6: Printed Circuit Boards
PRINTED CIRCUIT BOARDS Linear PCB (Top View) SW100 C410 VR600 R321 VR301 C611 C610 R326 H300 D110 JK600 R325 C317 R435 R327 C118 R120 Q300 R328 C310 C115 C612 C315 C313 L101 R329 FU100 VR800 C116 JK250 R306 T100 R308 C311 R307 C312... - Page 7 A/D PCB (Top View) C781 L701 R721 C780 C782 D730 R720 C700 C761 VR700 C762 R709 C783 D700 D710 D711 C811 R722 C813 C810 C770 R804 C710 C850 C812 R800 C815 BL PCB (Top View) CN300 R900 T900 Q900 C953 C952 L900 Q901...
- Page 8 A/D PCB (Bottom View) C772 D800 Q806 C777 C771 Q805 R715 R820 R815 R716 C856 R801 R717 C860 C861 R817 R818 R819 R816 IC700 R712 (C.D) C775 R711 C776 (A.B) R704 R703 R702 R701 C763 Q802 D810 D811 R700 R708 R707 Q801 R710...
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Page 9: Wiring Diagram
WIRING DIAGRAM A/D PCB Linear PCB — 10 —... -
Page 10: Exploded View / Disassembly
EXPLODED VIEW / DISASSEMBLY 16-2 16-1 23-1 23-5 23-3 23-4 11 @ @ — 17 —... -
Page 11: Waveforms
WAVEFORMS 64µsec 64µsec 0.22µsec 1 IC300 Pin 1 2 IC300 Pin 23 3 IC300 Pin 10, 11, 12 64µsec 3.9µsec 64µsec 4 IC300 Pin 4 5 IC300 Pin 5 6 Q102 Collector 4.0µsec 152nsec 547nsec 7 Q102 Base 8 IC700 Pin 17 9 IC700 Pin 14 132µsec 63.5µsec... -
Page 12: Schematic Diagrams
SCHEMATIC DIAGRAMS Linear PCB — 19 —... - Page 13 A/D PCB — 20 —...
- Page 14 BL PCB VCC1-1 EYP-1BF102L L900 EYP-1BF102L RCH-875-101K C952 T900 ECQ-V1H184JZ NT-01 C953 DE0905 SL181J2K LAMP — 21 —...