Zenith CM-150 Series Service Manual page 25

MAIN
MODULE
2G3-3 2N3-2
CM150/PV150
TROUBLESHOOTING
GM A Line Chassis Power Control
Projection
15VDVCNTL
1
15V SB <16.35V>
PW R CTRL <0V>
12V SW <0V>
37V SBY <39.5V>
PW R DD <27V>
GND
GND
8
< > = STBY ( ) = PW R ON
HORZ DRV
VERT DRV
Not Used
(15.9V)
(3.7V)
(11.8V)
(37.4V)
(28.8V)
3.5V p-p or 1.5V rms
4.0V p-p or
3-3
8
PW R SUPPLY
SW EEP
MODULE
1
3N2-2
3G2-2
GM CHASSIS