Sanyo DP32640 - GETTING STARTED; BATTERY INSTALLATION; ANTENNA CONNECTION

Repair Flow Chart: Trouble Condition
page 4
Power LED turns OFF within 10 sec of Power ON, or LED cycles ON & OFF.
(TABLE *1.0) Main Bd.: "Power ON/OFF SW" Test Points
26" Models 32" Models
DP26640-00 N8ME DP32640-00 N8LE
DP26640-01 N8MF DP32640-01 N8LF
DP26640-02 N8MG DP32640-03 N8LH
DP26640-04 N8MH
(TABLE *2.0) 12V Test Points
26" Models 32" Models
DP26640-00 N8ME DP32640-00 N8LE
DP26640-01 N8MF DP32640-01 N8LF
DP26640-02 N8MG DP32640-03 N8LH
DP26640-04 N8MH
(TABLE *2.1) 24V Test Points
26" Models 32" Models
DP26640-00 N8ME DP32640-00 N8LE
DP26640-04 N8MH DP32640-03 N8LH
DP26640-01 N8MF DP32640-01 N8LF
DP26640-02 N8MG
24 V
24V on Power Bd.
5V on Main Bd.
Main K8C "pin 1"
n/a
Power Bd. K603 "pin 1"
12V on Main Bd.
Confirmation Voltage
Confirmation Voltage
5 V
12 V
Confirmation Voltage
n/a
Main K8C "pin 8"
On Main Bd.:
Is 5V supplied to "Power_SW"
during LED ON time?
(see TABLE*1.0)
no: 0V
Main Bd. is not working.
Replace "Main Bd."
yes
no: 0V
yes:
yes: 24V,
or
(not applicable)
Main Bd. is not working.
Replace "Main Bd.".
Inverter Bd. is not working.
Replace "Inverter Bd."
Is the 12V supplied from Power
Bd. during LED ON time?
(see TABLE*2.0)
Is the 24V (if applicable) supplied
from Power Bd. to Inverter Bd.
during the LED ON time?
(see table *2.1)
Power LED turns OFF within
10 sec of Power ON, or cycles ON & OFF.
Power Bd. is not working.
Replace "Power Bd."
Main Bd. is not working.
Replace "Main Bd."
Unplug cable from Main Bd
to T.Cnt. Bd..
Is symptom changed?
T Con Bd. is not working. Main Bd.
may also not be working.
Replace "T Con Bd. & Main Bd."
Unplug pin (#8 & #9) wires from
K8C connector. Is the 12V
supplied from Power Bd. (#8 &
#9) during LED ON time?
yes: 12V
Power Bd. is not working.
Replace " Power Bd."
Unplug the cable from Power Bd. to
Inverter Bd.
Is the 24V supplied from Power Bd. durin
g
LED on time?
(see table *2.1)
no: 0V
no: 0V
no: 0V
yes: 24V
yes
no