Sanyo 2009 DP46849 User Manual

Repair Flow Chart: Trouble Condition
page 1
Green Power LED does NOT turn on.
The TV is Dead.
(TABLE *1) Main Bd.: 5V_STBY Test Points
or
or
(TABLE *2) Power Bd.: 5V_STBY Test Points
Main L1602
5V_STBY on Main Bd.
US1J 26", 32"
US1K 42", 46"
5 V
US1J 26", 32" Power CN2 "4pin"
US1K 42", 46" Power CN2 "3pin"
5 V
Model
5 V
Confirmation Voltage
5V_STBY on Power Bd. Confirmation Voltage
5 V
Model
Main K8B "4pin"
Main K8B "3pin"
Main L1705
On Main Signal Bd.:
Is the "5V_STBY" voltage
supplied?
(see TABLE *1)
no: 0V
Power Bd. is not working.
Replace "Power Bd."
Unplug (K8B) connector on Main Bd.
On Power Bd.:
Is the "5V_STBY"voltage supplied?
(see TABLE *2)
no: 0V
yes: 5
V
Replace "Main Bd."
and "Wiring Harness"
yes: 5
V
Green Power LED:
Does not turn on.
The TV is dead.
Confirm wire harness connections.
And confirm LED again.
On Main Signal Bd.
Is the "5V_STBY" voltage
on "K8CTR 1Pin" ?
no: 0V
yes: 5
V
While pushing the
"Power Key SW": is the 5V from
"KEY SW" supplied to "K8CTR
3pin"?
ye
s
Main Bd. is not working.
Re
p
lace "Main Bd".
N
o voltage (0V) at K8CTR pin 3, or 5V always present
.
Key Switch Assy. unit will be broken.
Replace "Key Switch Assy."
Main Bd. is not working.
Replace "Main Bd"

Sanyo 2009 DP46849 Specifications

General

Brand	Sanyo
Model	2009 DP46849
Category	TV
Language	English