Sony KDL-32W700B / KDL-42W700B / KDL-42W800B / KDL-42W805B / KDL-50W700B / KDL-50W790B / KDL-50W800B / KDL-50W805B / KDL-50W807B / KDL-55W700B / KDL-55W790B / KDL-55W800B / KDL-55W805B / KDL-55W807B Service Manual ▷ View online
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
53
RB2G CHASSIS
W700B/ W800B
Troubleshooting
TUS board Side B
Vin (pin 1)
03
(p
)
Vcc
CN31
0
TUS BOARD (Side B)
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
54
RB2G CHASSIS
W700B/ W800B
Troubleshooting
BAX board Side A
IC9001
1
IC9000
1
BAX BOARD (Side A)
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
55
RB2G CHASSIS
W700B/ W800B
Troubleshooting
BAX board Side B
L440
2
1
36
39
JL4217
46
IC
4
9
8
F440
1
L440
1
4204
6
7
C424
4
5
1
JL4218
BAX BOARD (Side B)
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
56
2.3-3 - NO SOUND: AUDIO (FOR ALL MODELS) BAX-L (HE-L, HM, HE-H) BOARD ONLY
RB2G CHASSIS
W700B/ W800B
W700B/ W800B
Troubleshooting
2-3 No Sound
2-3-3. Audio (for all model) TUS,TU
2-3-3. Audio (for all model) TUS,TU
W & BAX-L(HE-L,HM,HE-H) board only
2-3. No Sound
#1
No signal
#1
Ch k th
No signal
Check the solder
Check the
Digital out
(use Video input)
IC9000 is NG
Check the
IC4501 VSS -3.3V
(IC4501 pin6)
Check the
CN3103 pin1
(SPDIF input)
OK
OK
Check the solder
of IC4501 CP & CN
(7&8pin) & C4501
NG
OK
NG
OK
NG
IC4501 NG
CN3103 is NG
Check the
Speaker Sound
(use Video input)
Power Amp Block (F4601,IC4601,etc)
is NG See item: LED blinking 3x
OK
Solder NG
Check the HP out
NG
OK
OK
Check the
X_AUDIO_MUTE_
SPHPLO
pin5 is HIGH?
(
p )
is NG. See item: LED blinking 3x
(Audio error)
NO
This is MUTE situation.
Check IC9000
Check the HP out
(use Video input)
OK
No Problem
NG
Check the
INR+ & INL+ pin1 &14.
(at CL4502 and CL4501)
IC9001 is NG
No signal
OK
Check the IC4501
VDD 3.3V
(IC4501 pin9)
DC/DC converter is NG
See No POWER DC / DC
Converter Check
NG
(at CL4502 and CL4501)
Signal is coming?
OK
Note:
OK
IC4501 NG
Note:
(AYU2/
Ayu2L
) –
IC9000
(Brownie)- IC9001
Click on the first or last page to see other KDL-32W700B / KDL-42W700B / KDL-42W800B / KDL-42W805B / KDL-50W700B / KDL-50W790B / KDL-50W800B / KDL-50W805B / KDL-50W807B / KDL-55W700B / KDL-55W790B / KDL-55W800B / KDL-55W805B / KDL-55W807B service manuals if exist.