Hitachi SM0063 Service Manual page 56

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X Lef t
Signal Generator(VG-825)
(1) The power of the signal generator should be turned on before turning on the power of DC power supply.
(2) The voltage of DC power supply , in standard of Module input voltage, should be preset as below.
Vcc: 5V, Va: 65V, Vs: 185V
(3) The power of power supply must turned on by this sequence. Reverse direction When turning off.
( Va ( Vs, Module off: Vs ( Va ( 5V
* Module on : 5V
(4) Signal generator should be selected with 852*480(WVGA) mode
(Fig. 1) Connection diagram of measuring instrument
CONTROLLER
5 1. 5
65 0. 1
Power 185 1. 0
<Caution>
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X rig ht
vo lt ag e
DC Power Supply for 5V
vo lt ag e
DC Power Supply for Va
vo lt ag e
DC Power Supply for Vs