Diagnosis; Power On Sequence - Pioneer BDP-09FD Service Manual
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Also See for BDP-09FD:
- Operating instructions manual (74 pages) ,
- Brochure & specs (16 pages) ,
- User manual (15 pages)
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5. DIAGNOSIS
5.1 POWER ON SEQUENCE
Pressing of the POWER key is detected by the IC4001 Submicrocomputer on the MAIN Assy.
The IC4001 then outputs a POWER_ON signal to the SYPS Assy.
After receiving the POWER_ON signal, the SYPS Assy activates, secondary
Power[SW+12 V], setting it to ON.
The R8A34019BG (IC1001), the core LSI, starts up. {RS-232C connector CN1601,
log it to ON}
Communication between the R8A34019BG and the DDR2 SDRAM starts.
Communication between the R8A34019BG and the FLASH_IC starts.
It takes about 1 minute to complete the startup process.
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