Sony DVP-FX705 - Portable Dvd Player, Service Manual

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DVP-FX705
6-1 6-2
SECTION 6
WAVEFORMS
6-1. DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING
2. SDRAM CLOCK
1) SDRAM (IC502) clock is at 110MHz
Fig 2-1
CLK
3. DISC TYPE JUDGEMENT WAVEFORM
Fig 3-1
FOSO
FE
RFIP
2) MT1389 reset is high active.
Fig 1-2
E+5V
5V
(Q103 4PIN)
3.3V
(TP 123)
M_RESET
(IC701 9PIN)
1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL
1) MT1389 main clock is at 27MHz (X501)
Fig 1-1
X501