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.
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).
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...
7.debug flow-chart ac on power board: no standby +5v found initialization: yes power failure non integrity good whether alternating current input system reset power on +9v +12v +5v +2.5v +3.3v +1.8v found *repair power board. *replace fuse. *check dc-dc circuit and ldo circuit. Svpcx reset svpcx e0 ...