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Adjustments High Voltage - 41
3 Connect a digital
voltmeter as follows:
• Attach the red
(positive) lead of the
voltmeter to the
cathode side of diode
D713 (Rev. A) or
D703 (Rev. B).
• Attach the black
(negative) lead of the
voltmeter to the metal
chassis ground.
J74
R768
D749
D703
R751
R749
D713
Analog
Board
VR501
Black Lead
Red Lead
29.5
VDC
Voltmeter 
Reads
Chassis
Ground
Red Lead
Run
Display Service
Utility
Crosshatch 1
Test Pattern
Rev B