30
Check the FUSE condition.
・
FUSE
F101
Check . V STBY output.
・
Voltage check.
. V DC (non-switched) voltage is O. .
( P2 13)
※
. V
Check parts and soldering.
・
U (STR-A60 9 )
・
T2 (SW TRANS)
・
U6 (PC817)
・
U8 (TL431)
and other circuits.
Check 12V output.
・
Voltage check.
12V DC (non-switched) voltage is O. .
(
P
1
)
Check
V A output.
・
Voltage check.
V DC (non-switched) voltage is O. .
・(
P2
)
Check parts (surrounding) and soldering.
・
SUB POWER UNIT is fault.
TROUBLE S OOTING
1. POWER UNIT
The power cannot be turned on.
Check ON of MEIN
SMPS
・
Is 6 7 switched
Check parts (surrounding) and soldering.
・
6 7
(DTS114EUA)
・
U2 U7
(PC817)
and other circuits.
Check Ps On input.
( P4 2)
※
Press the ON STANDBY button to check.
Normally 3.3V is output.
※
O if 3.3V is output even momentarily.
Check parts (surrounding) and soldering.
・
P4 (1 PIN FFC 1.0mm)
MAIN UNIT
・
U16 (CS8966F-P FP447)
and other circuits.
Check AC DET signal output.
( P4 1)
(AC 0
0
( . Vp-p))
(AC60
60
( . Vp-p))
Check parts (surrounding) and soldering.
・
D11 D12
(IN4007)
・
U4 (PC817)
and other circuits.
Defect of primary circuit component.
・
BD1 (RBV1 06)
・
IC1 (STR-W67 3)
・
U (STR-A60 9 )
・
T1 (EER28(SW TRANS))
・
T2 (EI16(SW TRANS))
and other circuits.
Check parts (surrounding) and soldering.
・
IC1 (STR-W67 3)
・
T1 (EER28(SW TRANS))
・
U1 (PC817)
・
U3 (TL431)
・
D8 (FMEN-210A)
and other circuits.
END
N.G.
N.G.
N.G.
N.G.
N.G.
N.G.
N.G.
O. .
O. .
O. .
O. .
O. .
O. .
O. .
Содержание DBP-1611UD
Страница 17: ...17 On the screen below select ComPort XX Select the USB 232C TTL conversion jig port 6 Check Directly ...
Страница 64: ...64 PACKING VIEW dfh 1 3 4 5 6 8 9 11121314 15 16 17 18 20 19 18 17 19 7 9 10 16 ...
Страница 71: ...71 SMSC 1 M in UNIT U 1 B oc Di r ...
Страница 72: ...72 N M25 AV M in UNIT U1 B oc Di r ...
Страница 73: ...73 2 FL DISPLAY FL TUBE 15 BT 114GN Disp UNIT U3 ...
Страница 74: ...74 Personal notes ...