- Led Blinking: 3X(Audio Error) - Bax-L(He-L,Hm,He-H) Board Only - Sony KDL-32W700B Service Manual

Troubleshooting
RB2G CHASSIS
W700B/ W800B

2.2-2 - LED BLINKING: 3X(AUDIO ERROR) - BAX-L(HE-L,HM,HE-H) BOARD ONLY

2-2. Led Blinking 2-2 Led Blinking
2-2-2. 3x (Audio Error) – BAX-L(HE-L,HM,HE-H)board only
#2
#2
F4601,IC4601,etc
(B* Board)
Check 19.5V
(at fuse F4601)
to GND
impedance
Low impedance
IC4601
burn or broken ?
Yes
Replace IC4601
Chassis: RB2G, HE-L
High
enough
Replace F4601
No
Check broken parts p
around IC4601
#3
#3
IC4601,etc
(B* Board)
Check the IC4601
No
Out pin 37, 41, 44, 46
Switching 0V to 19V
around 300-400kHz
Yes
Check the CN4601
DC level ~9.7V
(at JL4621~JL4624)
Yes
Check the IC4601
NG
I2S line pin
4, 12, 15, 16 (at
CL4601~CL4604)
OK
IC4601 NG
Chassis: RB2G, HE-L
Check the IC4601
pin 18 (at CL4606)
is HIGH?
Yes
Solder NG
IC4601 or parts around IC4601
NG NG
No
L4601-L4604
or C4611-C4614
NG
IC9000 NG
No
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