Trouble shooting chart
All output voltages on the Power board is 0V or deviated.
11-5
All output voltages on
the Power board is 0V
or deviated.
Check whether FU1 is blown.
Check whether there is
130V on C8.
Check whether there is
feedback signal on pin2 of U1.
Yes
Yes
Yes
Yes
Yes
Check whether the components in the
short-circuit voltage are defected or eroded.
Replace FU1 or replace Power PCB.
Check/Replace U1 or replace Power PCB.
Check whether U1 are eroded.
Replace C8 if D17, D19, D20,D21 are
normal or replace Power PCB.
No
No
No
No
U1 (PIN3 - FB waveform)
U1 (PIN6-Drain waveform)
Check if +5V,+12V are short.
Содержание BDX2500KU
Страница 10: ...3 5 Audio Output Circuit Diagram IC9001 TK11150CSCL G AK4424AET E2 IC9002 ...
Страница 11: ...3 6 Video Output Circuit Diagram IC4001 BCM7630BKFEBG Video DAC ...
Страница 12: ...3 7 HDMI Output Circuit Diagram IC4001 BCM7630BKFEBG IC2301 TK11150CSCL GH HDMI ...
Страница 16: ...DDR3 Circuit Diagram 3 11 DDR3 IC4001 BCM7630BKFEBG ...
Страница 17: ...DDR3 Parts Circuit Diagram 3 12 IC5201 K4B1G1646E HCH9 K4B1G0846E HCH9 IC5202 Ic5203 K4B1G0846E HCH9 ...
Страница 19: ...Motor Servo Connect Circuit Diagram 3 14 IC4501 LD1117SC R ...
Страница 23: ...4 3 Main PC Board Main PC Board Top Side ...
Страница 24: ...4 4 Main PC Board Main PC Board Bottom Side ...
Страница 37: ...7 1 EXPLODED VIEW 1 2 3 7 4 6 8 9 5 ...
Страница 52: ...1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...