Read Sharp LC-32GA5E (serv.man9) Service Manual online
23
LC-26GA5E
LC-32GA5E
LC-32GA5E
LC-26GA5E
LC-32GA5E
LC-32GA5E
2. No video output (2 / 3)
<Main video>
Is there digital video output at pins 71, 72, 73, 74, 75, 78, 79 80 and synchro signals 81 and 82 of IC 1001 as specified
?
No
Check IC1001, IC1002, IC 1003
and peripherical components.
Yes
No
Check IC6004 and peripherical
Is there R , G, B and synchro output signals at pins 97 , 94 , 91, 34 and 35 of IC6004 as specified
?
components
Yes
Is there R , G, B output signals at pins
No
Check IC1001 and peripherical
Is there synchro out signals at pins
No
Check IC1001 and
peripherical
1,144 and 143 of IC 1001 as specified ?
components
11 and of IC 1001 as specified ?
components
Yes
Yes
Is there R , G, B input signals at pins
No
Check Q1802, Q1803 , Q1804
Is there synchro input signals at
No
Check IC 2205 and IC 18
03
2, 5 and 14 of IC 1801 as specified?
and peripherical components
pins 4 and 13 of IC 2206 as specified ?
and peripherical compone
nts
Yes
Yes
Is there R , G, B input signals at pins
No
Check IC 1801 and IC 1802
Is there synchro input signals at
No
Check IC 2206
4, 5 and 11 of IC 2203 as specified?
and peripherical components
pins 64 and 65 of IC 2201 as specified ?
and peripherical compone
nts
Yes
Is there R , G, B input signals at pins
No
Check IC 2203 and IC 1803
Yes
37, 43 and 50 of IC 2201 as specified?
and peripherical components
Yes
Is there digital output signals at pins (DEB) 66, 67, 70, 71, 73, 74, 77, 78 (DEG) 79, 80, 81, 82, 85, 86, 87, 88 (DER) 89, 90,
91, 92, 93, 94,
No
Check IC2201, IC 2210 and
97, 98 (DOB) 98, 99, 108,109,110, 111, 112, 113 (DOG) 114...121, (DOR) 124....131 and (DVS) 101, (DHS) 102, (DEN) 103 and (DCLO
K
)
106 of IC2201 as specified ?
IC2202 and peripherical components
Yes
Is there digital output signals at pins 3,4,6,7,9,10,12,13,15,16,18,19,21,22,24,25,27,28,31 and 31 of connector SC2201
No
Check
IC2207 and
as specified ?
peripherical components
Check LCD Control PWB
5
RF input in trouble <TV>
Is TV select in the input switching
No
Select TV in the input switching
menu screen ?
menu screen
Yes
Is there video signal output a
t
No
Check tuner TU 1202 and
pin 58 of IC 1001
peripherical components
Yes
No video out ( TV)
5
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