Sharp XV-Z1A, Руководство по обслуживанию

Страница: 31 / 65

TROUBLE SHOOTING TABLE
(Continued)
31
XV-Z1E/A
Yes
Checking the R signal line of signal PWB
No
No
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
No
No
Yes
Yes
Yes
Go to "Checking synchronization".
Go to "Checking synchronization".
Check IC1002 and its peripheral parts.
IC1012, IC5002 or nearby circuit in
trouble.
IC1009 or nearby circuit in trouble.
IC1201 or nearby circuit in trouble.
Is there signal input at pin (7) of
IC1011?
Is there signal output at pin (40) of
IC1011?
Is there signal input at pin (7) of
IC1014?
Are there signal inputs at pins (189)
thru (196) of IC1201?
Is there clock output at pin (233) of
IC1001?
IC1003, IC1004, IC1028 or nearby
circuit in trouble.
Is there sync signal input at pins (15),
(216) or (217) of IC1201?
Are there signal outputs at pins (1),
(2), (3), (5) thru (8), (127) thru
(130), (132) thru (136), (138), (139),
(145) thru (149), (151) thru (154),
(156) thru (160) of IC1206?
Are there signal outputs to pins
(129), (131), (132), (133), (136),
(137), (138) and (142) of IC1001?
Are there signal outputs at CH10 thru
CH17, CH20 thru CH27, CH30 thru
CH37, CH40 thru CH47, CH50 thru
CH57, and CH60 thru CH67 of
IC1001?
Check pin (4) line of connector TN.
Do voltages at pins (5), (18) and (19)
of IC1012 change?
Is there HSYNC signal input at pin
(23) of IC1011?
Is there clock input at pin (94) of
IC1001?
IC1011 or nearby circuit in trouble.
IC1015 or nearby circuit in trouble.
Is there clock output at pin (14) of
IC1201?
IC1001 or nearby circuit in trouble.
IC1206 or nearby circuit in trouble.
Is there clock input at pin (49) of
IC1201?
IC1001 or nearby circuit in trouble.
Are there clock inputs at pins (60),
(103) and (143) of IC1206?