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Now downloading free:MITSUBISHI VZ9 Chassis
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Chapter 1
Power Supply
Last month's Expander described the Video/Color source for Standby Supplies, and D951 the source
circuitry changes in the VZ9 chassis. This month's for Switched Supplies. Although D951 is only used
article covers changes in the VZ9 Power Supply and when the set is switched On, it is connected directly
Convergence Circuitry. Although the circuits are to the AC line and outputs approximately 170 volts
similar to that in the VZ7 and VZ8 chassis, there are as long as the set is plugged in.
differences.
Transformer T952 provides isolation for the Standby
Power Supply Supplies. D952 generates a STBY 14V supply. The
The above illustration shows a Simplified Block Dia- STBY 14V supplies three circuits:
gram of the VZ9 Power Suppl |
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