Sharp LC-121M2E Service Manual page 25

No colour appears No colour appears
(PAL-M)
No colour appears
(N358)
(N443,PAL)
LC-121M2E
LC-150M2E
No colour appears
(SECAM)
Is 4.4336 MHZ | xyo |Check X802 and
input into the its peripheral
pin 8 of IC801? parts.
Check X801 and
its peripheral
parts.
pin 9 of IC801?
Is 3.5756 MHZ |, |Check X803 and
input into the its peripheral
parts.
Is 4.4336 MHz
input into the
pin 8 of IC801?
No |Check X802 and
its peripheral
parts.
Is 3.5795 MHz
input into the se
pin 10 of IC801?
YES
YES YES t YES
. ; NO — ;
Is the C/Y signals at pins 13 and 15 of IC801 normal ? Check Is the composite |NO| Check Peripheral
YES Peripheral signal which is parts of 1C853.
arts of IC853.} | input into the pins
13 and 15 of
1C801 normal?
Is 4MHz input [yo Check X2850
into the pin 8 of and its peripheral
1C2802? parts.
YES
y
| Is the output at pins 10 and 11 of IC2802 normal ?
| YES
Y
NO
Check Peripheral
parts of IC2802
Is the output at pins 29 and 30 of IC2801 normal ?
-—
'YES
NO Check Peripheral
parts of IC2801.
be Check Peripheral
_Y
Is the output at pins 51 and 52 of IC801 normal ?
YES
Check Peripheral parts of IC801.
25
parts of IC406.
S a