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Model
KDL-32R400C KDL-32R403C KDL-32R405C KDL-32R408C KDL-32R410C KDL-40R450C KDL-40R453C KDL-40R455C KLV-32R412C
Pages
127
Size
14.66 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-32r400c-kdl-32r403c-kdl-32r405c-kdl-32r408c-kd.pdf
Date
PREV: Sony KDL-32R500C / KDL-32R503C / KDL-32R505C / KDL-32R507C / KDL-32R509C / KDL-40R510C / KDL-40R550C / KDL-40R553C / KDL-40R555C / KDL-40R557C / KDL-40R558C / KDL-40R559C / KDL-40R560C / KDL-48R510C / KDL-48R550C / KDL-48R553C / KDL-48R555C / KDL-48R557C / KDL Service Manual

Sony KDL-32R400C / KDL-32R403C / KDL-32R405C / KDL-32R408C / KDL-32R410C / KDL-40R450C / KDL-40R453C / KDL-40R455C / KLV-32R412C Service Manual ▷ View online

Troubleshooting
3-5. Audio
3-5-1. General
Main Speaker
Main Speaker
Refer
Audio Problem
Audio Problem
Main Speaker
No Sound?
Main Speaker
No Sound?
Headphone (HP) Out
Headphone (HP) Out
Refer
“Main Speaker No Sound”
Refer
No Sound?
No Sound?
Video/Component or HDMI 2 Audio In
No Sound?
Video/Component or HDMI 2 Audio In
No Sound?
“HP Out No Sound”
Refer
“Analog Audio Input No Sound”
No Sound?
No Sound?
Analog RF
No Sound?
Analog RF
No Sound?
Analog Audio Input No Sound
Refer 
“Analog RF No Sound”
HDMI Audio
No Sound?
HDMI Audio
No Sound?
Refer 
“HDMI Audio No Sound”
USB Audio
No Sound?
USB Audio
No Sound?
Refer 
“USB Audio No Sound”
Scart In/Out (BE board only)
No Sound?
Scart In/Out (BE board only)
No Sound?
Refer 
“Scart (In/Out) No Sound”
29
Troubleshooting
Sound
START
Main Speaker No Sound
3-5. Audio
3-5-2. Main Speaker No Sound
No Sound
Do a Factory Setting
Check Speaker Harness 
No connectivity for speaker 
harness
Sound
Speaker Impedance 
p
connectivity
No Sound
Sound
No Sound
Change Speaker Harness
≠ 6~8 Ω
Check Speaker Impedance 
No Sound
No connectivity
No Sound
Change Speaker
F4500 broken
Check fuse connectivity 
at F4000
No connectivity 
of F4000
No Sound
No Sound
F4000 OK
Audio IC problem
IC4000 damage
Change B-Board
DONE
30
Audio Problem - Main Speaker No Sound (BA board Photo)
Troubleshooting
Audio Problem  Main Speaker No Sound (BA board Photo)
F4000
IC4001
IC4001
31
Audio Problem - Main Speaker No Sound (BA board Layout)
p
(
y
)
F4000
IC4001
Page of 127
Display

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