DATA PRECISION 1350 - Page 38

SYMPTOM OF
MALFUNCTION
>
V, mA OK;
Kil NG
CHECK Kil
VOLTAGE SOURCE
R4, R5. CR17
ONE DIGIT,
ONE DEC POINT
ONLY NG
CHECK DIGIT
DRIVER, Z2, A2
V OR mA ONLY NG
(NOT BOTH)
mAONLY?
CHECK
RTl, RV. A3
DC OK AC NG
CHECK
AC/DC CONVERTER
CHECK F301
CHECK
SHUNT, CRl -4
SYMPTOM GONE '
NO SIGN
OF OPERATION
CHECK
LINE CORD
POWER, FUSE F300
SYMPTOM GONE
CHECK
POWER
SUPPLY
Figure 5-1. Closed Case Trouble-Shooting Flow Diagram