Sony Bravia KDL-42W800A, Руководство по обслуживанию, Страница: 42 / 238

RB1G CHASSIS
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A
Troubleshooting
3-2-2. LED BLINKING 3x (Audio Error) – BA2 and BM board only (not applicable for this model)
Size
B* Board Type G* Board Type
OTHERS JAPAN CHINA ASIA AMERICA EUROPE JAPAN
42 BA2S BA2W GL2S GL2S GL2E(CH) GL2E(ID) GL2S
F4601,IC4601 ,etc
(B* Board)
#2
IC4601 ,etc
(B* Board)
#3
47 BA2S BA2W GL2S GL2S GL2E(CH) GL2E(ID) GL2S
55 BA2S BA2W GL2E(CH) GL2E(ID) GL2E(CH) GL2E(ID) GL2E(ID)
Check 12.5V
( at F4601) to GND
Replace F4601
High
enough
Check the IC4601
Out pin 9, 16, 25, 32
Switching 0V to 12V
No
Check the IC4601
pin 18 (at CL4606)
is HIGH?
No
impedance
Low impedance
IC4601 or parts around IC4601 NG
around 300-400kHz
Yes
Yes
Solder NG
IC4601
Check broken parts
IC4601 or parts around IC4601 NG
Check the CN4601
DC level ~2V (at
No
L4601-L4604
or
C4611-C4614
No
burn or broken ?
Yes
around IC4601
JL4621~JL4624)
C4611-C4614
NG
Yes
Check the IC4601
I2S line pin 5 6 7 8
NG
Replace IC4601
I2S line pin 5, 6, 7, 8
(at CL4601~CL4604)
IC9000 NG
OK
Note:
42
IC4601 NG
Note:
(AYU2) – IC9000
(Brownie)- IC9001