Sony PFM-42X1 Service Manual page 26

Rigid left top
5V, Va
5V
Vs
Va
Y SUS
5V, Va
Rigid left bot
Signal generator (VG-854 )
Fig. 1 Connection diagram of the measuring instrument
c
1) The power of the signal generator should be turned on before turning on the power of the DC power
supply.
2) The voltage of the DC power supply should be preset as below in the same way as the standard
module input voltage.
Vcc : 5 V, Va : 65 V, Vs : 190 V
3) The power supply must be turned on in the following sequence. Reverse the sequence when turning
off the power.
* Module on : 5 V → Va → Vs, Module off : Vs → Va → 5 V
4) Select the 1024 x 768 mode for the signal generator.
2-6
Controller
5V
+5 V power supply (Vcc)
Va power supply
Power
Vs power supply
External power supply (5V, Va, Vs)
Rigid right top
5V, Va
5V, Va, Vs
Z_SUS
5V, Va
Rigid right bot
PFM-42X1/42X1N