10
2-3. No video signals available at the DVD/HD input circuit
YES
YES
Are the Y, Pb, and Pr signals
Are the HV signals available
Failure in the MAIN PWB.
available at Pins 1, 3, and 5 of
at Pins 7, 9, 10, and 12 of the
Details described in Item
the P0YU connector?
P0YU connector?
2-5. (P.13)
(See Figs. 19 to 21.)
(See Figs. 22 and 23.)
NO
NO
Failure in the VIDEO PWB.
YES
Are the Pb and Pr signals
Failure in IC5709.
available at TP5704 to TP5706?
(Similar waveforms in
Figs. 19 to 21)
NO
IC5702, IC5704, and IC5706
are out of order.
Conditions:
1. During the reception of HDTV (1080i) C-BAR
2. Mode HD
Fig. 19 Signal Y
Pins 1 of Connector P0YU ; 1.3Vpp
Fig. 20 Signal Pb
Pin 3 of Connector P0YU ; 1Vpp
Fig. 22 Horizontal Sync Signals
Pins 7 and 10 of Connector P0YU ; 5Vpp
Fig. 23 Vertical Sync Signals
Pins 9 and 12 of Connector P0YU ; 5Vpp
Fig. 21 Signal Pr
Pin 5 of Connector P0YU ; 1Vpp
Summary of Contents for PlasmaSync 50MP1
Page 1: ...USE THIS SERVICE MANUAL WHEN SERVICING Model PLA 50V1 ...
Page 10: ...PlasmaSync Plasma Monitor User s Manual NEC Technologies ...
Page 64: ...TROUBLESHOOTING 4 1 ...
Page 80: ...METHOD OF ADJUSTMENTS 5 1 ...
Page 98: ...CIRCUIT DESCRIPTION 6 1 ...
Page 113: ...METHOD OF DISASSEMBLY 7 1 ...
Page 134: ...PACKAGING 8 1 ...
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Page 147: ...PART LIST 9 1 ...
Page 158: ...CONNECTION DIAGRAMS 10 1 ...
Page 160: ...BLOCK DIAGRAMS 11 1 ...
Page 163: ...SCHEMATIC DIAGRAMS 12 1 ...
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