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1. Features 2. Safety Precautions 3. Images of Module and Circuit Boards 4. Panel Part & Key IC Description 5. Bus Control Adjustment 6. Circuit Diagram 7. Signal Flowing Chart...
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3. Images of Module and Circuit Boards 1.Images of Remote control board(L26/32A9A) 2.Images of Switch array board(L26/32A9A) 3.Images of Side-AV board(L26/32A9A)...
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4.Images of Power supply board(L26/32A9A) 5.Images of Main board(L26/32/37A9A)...
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Key IC Description U4 T5BS4-9999: 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER The single-chip microcomputer operate using sophisticated instructions featuring a high level of instruction efficiency. With 1M bytes of address space, they are capable of executing instructions at high speed. In addition, this microcomputer contains a multiplier and DMAC which combined with fast instruction processing capability.
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7.Debug flow-chart AC ON Whether alternating current Power board: input STANDBY +5V FOUND Initialization: System Reset Power On *Repair power board. Power failure *Replace fuse. *Check dc-dc circuit +9V +12V +5V and LDO circuit. +2.5V +3.3V +1.8V FOUND SvpCx E0 error SvpCx Reset *Vs on SvpCx E0 Good...