Sanyo DP32640 Service Manual page 2

Repair Flow Chart:Trouble Condition
Green Power LED does not turn on. The TV is dead.
(TABLE *1.0)Analog board:5VSTB Test Points
32" Models
DP32640-11
DP32642-00
(TABLE *2.0) Power board:5VSTB Test Points
32" Models
DP32640-11
DP32642-00
(TABLE *3.0)Digital board:5V_STBY
32" Models
DP32640-11
DP32642-00
Green Power LED:
Does not turn ON.
The TV is dead.
On analog signal board:
Is the "5VSTB" voltage supplied?
(see TABLE*1.0)
Yes:5v
On digital signal board:
Is the "5V_STBY" voltage on
"K5A Pin 3 or Pin 4"?
Yes:5v
While pushing the "power key sw"
is the 2.9V from "key sw2"
supplied to "K16A Pin17"?
Yes
Digital board is not working.
Replace "digital board".
5VSTB on analog board
N8LA Analog K17 Pin4 or Pin 5
Z6TE
5VSTB on power board
N8LA Power CN2 Pin4 or Pin 5
Z6TE
5V_STBY on analog board
N8LA Analog board K16A Pin3 or Pin 4
Z6TE
No:0v
Unplug(CN2) connector on
power board. On Power board:
Is the "5VSTB" voltage supplied?
(see TABLE*2.0)
Yes:5v
Unplug(K16A) and(K16B) connector
between digital unit and analog unit
Is the "5V_STBY" voltage supplied?
(see TABLE*3.0)
Yes:5v
Replace "digital board".
No:0v
Analog board is not working.
Replace "analog board".
No voltage(0v)at K16A Pin17 or 2.9v always present.
Analog board was broken.
Replace "analog board".
No:0v
Power board is not working.
Replace "Power board".
No:0v
Analog board is not working.
Replace "analog board".
Confirmation Voltage
5V
Confirmation Voltage
5V
Confirmation Voltage
5V
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