Troubleshooting charts
-17-
No Power
Check AC input
Replace Terminal and AC cable
Check Power Module
P504 Input Voltage(Table)
Repair or Replace Power Module
The Stand-by LED doesn’t light up RED.
Repair P703,P704 Connector
Front Board
Check Micom Crystal and Ever VDD
IC701 #108,109, VDD (+3.3V_E)
Repair or Replace IC701
Check Power On Pulse
IC701 #90 = "Low",
IC508, 509, 510
Repair or Replace IC Regulator
O.K.
Table
P504A
Voltage(When No Load)
#1
29.7V
#2
GND
#3
GND
#4
6.2V
#5
6.2V
#6
6.2V
#7
12.6V
#8
-13.5V
#9
3.4V
#10
3.4V
#11
3.4V
#12
3.4V
#13
GND
#14
GND
#15
GND
Summary of Contents for DSA-9310E
Page 41: ...41 9 Circuit Diagram 9 1 Power...
Page 42: ...42 Circuit Diagram 9 2 Main Circuit 1 2...
Page 43: ...43 Circuit Diagram 9 3 Main Circuit 2 2...
Page 46: ...PRINTED Apr 2003...
