Hitachi 57F59A Service Manual page 86

A
CHECK DCU input (1)
Is Voltage at LC05/RC48(LC04/RC42)
5V? (-5V?)
OK
CHECK DCU input (2)
LC03 (V.BLK)
OK
(*1) PDCU 2 pin (RH)
PDCU 6 pin (GH)
PDCU 10 pin (BH)
GND
16～17[ms]
...(*3)
(*2) PDCU 4 pin (RV)
PDCU 8 pin (GV)
PDCU 12 pin (BV)
GND
16～17[ms]
Vpp =2～5 [V]
85
CHECK
IC01
NG
SW +5.6V line
(E943)
CHECK
NG
DEFLECTION circuit
CHECK
RK14,15,18,19,22,23,
26,27,30,31,34,35
CY Amp (IK01,02),
DCU
(*3) LC03 (V. BLK.)
GND
DP65
QC16
DCU-17V line
(E944)
Vpp =4～5 [V]
16～17[ms]