
– 36 –
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) 234pin
D6700
5V
D1668
AUDIO_POW
5V
D1613
TROUBLESHOOTING FLOW CHARTS
Содержание DP42142
Страница 36: ... 30 䎳䎲䎺䎨䎵䎃䎥䏏䏒䏆䏎 䎃 䎃䏉䏒䏕䎃䎸䎶䎕䎭 BLOCK DIAGRAM POWER LINES ...
Страница 40: ... 34 IC6600_C0DBZYY00485 USB Protection IC6700_C0CBAYG00009_LM1117S ADJ IC6560_C0JBAA000502_TC7SET08FU ...
Страница 41: ... 35 IC5700_C3ABSY000102_IC H5PS5162GFR S6C IC6720_C0DBAYY01122_BD9328EFJ E2 ...
Страница 46: ... 40 IC DIODE AND TRANSISTOR PIN LAYOUTS ...