Wavetek 143 - Page 39

+24V NO -24ν ΝΟ +5V
BAD BAD BAD
2 ? ?
YES YES YES
CHECK
GREEN SECONDARY,
С9,С10% CR9 - CR12
CHECK CHECK LIFT JUMPER
C13, C14 & O9 C15, C16 & Q10 BY FB5 & R69
CHECK CHECK
RED SECONDARY, RED SECONDARY,
C5, C6, CR5 & CR6 C7,C8, CR7 & CR8
REPLACE NO STILL
JUMPER 555
YES
CHECK
С17,С18 4 011
USE OTHER
JUMPERS IN +5V
POWER LINES TO
ISOLATE PROBLEM
REPLACE
JUMPER
Figure 6-6. Power Supply Checks, Trig/Pulse Board (Page 2 of 2)
6-9