Sony DAV-SB100 / DAV-SB200 / HCD-SB100 / HCD-SB200 Service Manual ▷ View online
29
HCD-SB100/SB200
Ver. 1.1
4-3. DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING
1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL
1) MT1379 main clock is at 27MHz (X501)
1) MT1379 main clock is at 27MHz (X501)
2) MT1336 reset is high active
30
HCD-SB100/SB200
Ver. 1.1
3) RS232 waveform during procedure (Downloading)
4) Flash R/W enable signal during download (Downloading)
31
HCD-SB100/SB200
Ver. 1.1
2. SDRAM CLOCK
1) MT1379 main clock is at 27MHz (X501)
3. TRAY OPEN/CLOSE SIGNAL
1) Tray open/close waveform
32
HCD-SB100/SB200
Ver. 1.1
2) Tray close waveform
3) Tray open waveform
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