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RB1G CHASSIS
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A
Troubleshooting
3-2-3. LED BLINKING 3x (Audio Error) – BKE and BKX board only (not applicable for this model)
F4601,IC4601,etc
(B* Board)
#2
IC4601,etc
(B* Board)
#3
Check 19.5V
(at fuse F4601)
to GND
Replace F4601
High
enough
Check the IC4601
Out pin 38, 42, 43, 47
Switching 0V to 19V
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 ~9.7V
No
L4601-L4604
or
C4611-C4614
No
burn or broken ?
Yes
around IC4601
(at JL4621~JL4624)
C 6
C 6
NG
Yes
Check the IC4601
I2S line pin
NG
Replace IC4601
I2S line pin
4, 12, 15, 16 (at
CL4601~CL4604)
IC9000 NG
OK
Note:
46
IC4601 NG
(AYU2) – IC9000
(Brownie)- IC9001
(Brownie)- IC9001
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