Waveforms; Details And Waveforms On System Test And Debugging - Sony DVP-FX700 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) MT1379 main clock is at 27MHz(X501)
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2) MT1379 & MT1336 reset is high active.
Power Cord in
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SECTION 6

WAVEFORMS

3.8V, 27MHz
FIG 1-1
5.2VA
PWR_CTL(CN505 PIN 7)
M_RESET(CN505 PIN 9)
URST(IC501 PIN 188)
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FIG 1-2
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6-1
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2. SDRAM CLOCK
1) MT1379 main clock is at 27MHz(X501)
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3. DISC TYPE JUDGEMENT WAVEFORM
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DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V
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FIG 2-1
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FIG 7-1 (DVD)
6-2
DVP-FX700
2
9 9
(IC502,IC503 PIN 35)
9 8 2 9 9
F+(IC202 PIN 9)
FE(IC201 PIN 18)
RFL(IC201 PIN 19)