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DM |
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IR Learning | NetCommand | DVI Decoder | A/V Inputs | Control uPC |
DM Interface | IEEE1394 | A/V Selection | Tuning | |
DTV Tuner | Card Viewer |
| VCJ | |
& Demodulator |
| NTSC Video | Convergence | |
Interface | Digital uPC Control |
| Decoders | Generator |
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| Scan Velocity |
| Power Supplies | Horizontal Defl. | Dynamic |
Picture Format | Modulation |
| Audio Amp. | Vertical Defl. | Beam |
3:2 Pull Down | (Picture Edge |
| Convergence Amps. | High Voltage | Forming |
Line Double | Enhancement) |
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| (Corner Focus) |
480i to 480p |
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| Table |
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PCB & Major Component Locations
PCB and major component locations are shown in Figures
Convergence IC Replacement
To maximize cooling efficiency, the Convergence Amplifier ICs, IC8C01 & IC8C02, are mounted as close to the back cover vents as possible. With the heat sink fins over the top of the IC, access for re- placement is restricted. To simplify replacement use the following procedure to remove the heat sink.
1)Release the 2 spring clips from the rear (towards the front of the set) of the heat sink.
2)Remove the 3 mounting screws shown in Figure
3)Remove the heat sink by gently prying the IC’s loose.
When reinstalling, please note:
•Overtightening the screws can strip the plastic threads in the chassis.
•Mounting clips should be firmly seated for proper heat transfer.