– 29 –
NO POWER
No
Yes
Yes
Yes
No
(or the voltage to some lines is not supplied.)
After a few seconds, the set will be switched off.
Check 'Power Failure' Circuit.
No:
All 0V
(except '5V_STBY' line)
Is
the voltage to all lines
supplied?
Is
the voltage
to "5V_STBY" line
supplied?
Is
fuse open?
Check: arround
MAIN IC (IC5500),
Crystal (X5500), Power Unit
Check: Power Unit
Check: Power Unit
Diod
Detected Voltage
Power Failure Line
MAIN IC (IC5500) D9pin
D6700
5V
D1613
5V
D1668
AUDIO_POW
TROUBLESHOOTING FLOW CHARTS
Содержание DP32640 - 31.5" Diagonal LCD HDTV 720p
Страница 27: ... 22 POWER BOARD PART SIDE POWER BOARD SOLDER SIDE ...
Страница 32: ... 27 IC6650 USB Protection IC6700_C0CBAYG00009_LM1117S ADJ IC6560_C0JBAA000502_TC7SET08FU ...
Страница 33: ... 28 IC5700_C3ABSY000102_IC H5PS5162GFR S6C IC BLOCK DIAGRAMS CONT IC6720_C0DBAYY01122_BD9328EFJ E2 ...
Страница 38: ... 33 IC DIODE AND TRANSISTOR PIN LAYOUTS ...