Sdram Clock; Tray Open/Close Signal - Toshiba SD-K530SU Service Manual

2. SDRAM CLOCK

1) MT1379 main clock is at 27MHz(X501)

3. TRAY OPEN/CLOSE SIGNAL

1) Tray open/close waveform
DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V
FIG 2-1
FIG 3-1
3-69
(IC502,IC503 PIN 35)
OPEN((CN203 PIN 3)
CLOSE(CN203 PIN 2)
TROPEN(IC202 PIN 1)
TRCLOSE(IC202 PIN 2)