Waveforms; Details And Waveforms On System Test And Debugging - Sony DVP-FX705 Service Manual

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6-1. DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING

1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL
1) MT1389 main clock is at 27MHz (X501)
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2) MT1389 reset is high active.
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SECTION 6

WAVEFORMS

X501
Fig 1-1
E+5V
PWRCTL +5V
(Q103 4PIN)
PWRCTL +3.3V
(TP 123)
M_RESET
(IC701 9PIN)
Fig 1-2
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6-1
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9 9 8
2. SDRAM CLOCK
1) SDRAM (IC502) clock is at 110MHz
Fig 2-1
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3. DISC TYPE JUDGEMENT WAVEFORM
Fig 3-1
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6-2
DVP-FX705
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9 9
CLK
9 8 2 9 9
FOSO
FE
RFIP