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DVR
V9120W
Service manual
Details And Waveforms On System Test And Debugging; System 27Mhz Clock, Reset, Flash R/W Signal - LG V9120W Service Manual
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Troubleshooting
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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)
2) MT1389 reset is low active
FIG 1-1
RESET Time
FIG 1-2
3-63
1.0V, 27MHz
5.2VA
PWR_CTL
M_RESET(FRONT)
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Chapters
Section 1 Summary
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Section 3 Electrical
12
Section 5 Mechanism of DVD Part (Dp-9C Mtk Model)
109
Table of Contents
Troubleshooting
ELECTRICAL TROUBLESHOOTING GUIDE
15
DVD PART
49
troubleshooting guide
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