3-3
Replace Main B/D
Refer to Front Part
Replace IC502
Reconnect it.
2. µ-COM Circuit
A. No Power
Does Logo appear
on the screen?
Is oscillation of
X501 normal?
Are IC501 Pins 193, 80
8
and 81 normal?
Do “Hello” appear at FLD?
Is P3901
connected normally?
Is P3901 Pin 8, 9, 18 normal?
The waveform
on 3, 5, 7 pin of IC502
normal?
Check the oscillation
Check short.
OK
Replace IC501
or IC306.
Check power.
(Refer to power)
If power is
normal
OK
POWER ON
1
1
YES
YES
YES
YES
NO
YES
YES
YES
A
NO
NO
NO
NO
NO
NO
NO
YES
A
Содержание T571AH
Страница 10: ...3 33 3 34 8 A V JACK CIRCUIT DIAGRAM T571AH ONLY T571C T571AH Component S Video out can t be changed ...
Страница 11: ...3 35 3 36 9 SCART CIRCUIT DIAGRAM T571C ONLY T571C T571AH Component S Video out can t be changed ...
Страница 14: ...3 41 3 42 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 15: ...3 43 3 44 LOCATION GUIDE 2 AV JACK P C BOARD 4 FRONT P C BOARD LOCATION GUIDE 3 SMPS P C BOARD ...
