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DOWNLOAD 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 ↓ Size: 29.74 MB | Pages: 127 in PDF or view online for FREE

Model
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
Pages
127
Size
29.74 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LEVEL3
File
kdl-32w700b-kdl-42w700b-kdl-42w800b-kdl-42w805b-kd.pdf
Date
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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 
49
 
2.2-6 - LED BLINKING: 7X TEMPERATURE ERROR
RB2G CHASSIS
W700B/ W800B
Troubleshooting
2-2 Led Blinking
2-2-6. 7x (Temperature Error)
2-2. Led Blinking
7-time blinking
S tti
Y
Setting 
circumstance  is OK?
Temperature, 
Ventilation, etc.
Set to another
location, etc.
No
Yes
Panel
NG
Change B* Board,
and Aging a few 
hours
B* Board
Symptom 
improvement
I2CA bus check:
HDMI is working? 
Yes
Temp sensor 
IC7001
g
No
I2CA bus dumping or 
Ayu2 / Ayu2L check
Ayu2 / Ayu2L check
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L 
50
RB2G CHASSIS
W700B/ W800B
Troubleshooting
Board 
Name
Board PWB  (A side)
Detail
Name
BAX
(IC7001)
IC7001
BAXL
(IC7001)
IC7001
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L 
51
 
2.3-1 - NO SOUND:GENERAL
RB2G CHASSIS
W700B/ W800B
Troubleshooting
2-3 No Sound
2-3-1. General
2-3. No Sound
No Sound
“Audio System”
Check the 
“Speakers setting”
Change to 
“TV Speaker”
“TV Speakers”
Change the Speaker
Harness
Replace
the B* Board
NG
Symptom 
improvement
No Sound:  Audio 
B* Board
Speaker Harness
Speaker
NG
Symptom 
improvement
No Sound:  Tuner
No Sound:  HDMI
Speaker Harness
Speaker
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L 
52
 
2.3-2 - NO SOUND: AUDIO (FOR ALL MODELS) TUS AND BAX (HT-L, HT-H, HT-H65, HS)
RB2G CHASSIS
W700B/ W800B
Troubleshooting
2-3 No Sound
2-3-2. Audio (For all models)  TUS, TUW and BAX (HT-L, HT-H, HT-H65, HS)
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 
IC4204 VSS -3.3V
(IC4204 pin6)
Check the 
CN3103 pin1
(SPDIF input)
OK
OK
Check the solder 
of IC4204 CP & CN
(7&8pin) & C4244
NG
OK
NG
OK
NG
IC4204 NG
CN3103 is NG
Check the 
Speaker Sound
(use Video input)
Power Amp Block 
(F4401,IC4901,F4402,IC4902 etc) 
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 JL4218 and JL4217)
IC9001 is NG
No signal
OK
Check the IC4204
VDD 3.3V
(IC4204 pin9)
DC/DC converter is NG
See  No POWER DC / DC 
Converter Check
NG
(at JL4218 and JL4217)
Signal is coming?
OK
Note: 
(AYU2/
Ayu2L
) –
OK
IC4204 NG
IC9000
(Brownie)- IC9001
Page of 127
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