TESTING AND TROUBLESHOOTING
Horizontal Deflection Signal
Hi Test Point
CRT Unblanking Signal (Z)
Z Test Point - Part of signal blinks with alarm indication.
To verify operation of the High Voltage Power Supply board, check the dc voltages as indicated in the Voltage
Measurements section (High Voltage Power Supply).
Also check the following dc filament voltages at the crt socket harness.
5 V brown Normal: 4.9 to 5.1 V
-7 V black Normal: -6.8 to -7.1 V
42 Model 101R/NR Service Manual