DOWNLOAD Sony KLV-40W300A / KLV-46W300A Service Manual ↓ Size: 6.41 MB | Pages: 56 in PDF or view online for FREE

Model
KLV-40W300A KLV-46W300A
Pages
56
Size
6.41 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-40w300a-klv-46w300a.pdf
Date

Sony KLV-40W300A / KLV-46W300A Service Manual ▷ View online

KLV-40/46W300A (WB)     3-9
This indicates Balancer board error of panel module.
BE micro pin 113 on FB2 board detects it.
BE Micro #113
Normal condition : Low  /   Error case : High
40” : Check harness connection CN6701 on DF1 board and CN126 on balancer board
of panel module.
46” : Check harness connection CN6701 on DF2 board and CN138 on balancer board
of panel module.
52” : Check harness connection CN6701 on DF4 board and CN324 on balancer board
of panel module.
Replace Panel Module.
3-3-8. BALANCER ERROR (RED 13 Times blink) 
KLV-40/46W300A (WB)     3-10
TV micro (on AG board) is communicating with EMMA2Lr (on FB2 board)
If EMMA has any  problems, TVM retries to communicate and waits the response of
EMMA. It will be timeout in about one minute, and TVM start power-up sequence w/o
communicating with EMMA. Then, picture appears, but No OSD.
-
FB2 board
- PS3900,  conduction.
-
EMMA software upgrade error
-
Rewrite software of EMMA.
If it still NG, replace FB2 board.
3-4. COMMUNICATION ERROR
KLV-40/46W300A (WB)     3-11
Audio 
problem
Only 
Speaker 
out?
YES
NO
UI setting 
correct?
Volume, SP 
off/On
HP Link
Analog 
Channel 
Problem
Digital 
Channel 
Problem? 
HDMI 
Problem
Set correctly or 
reset by menu.
Check 
Speaker 
AG board
NO
YES
NO
NO
Check
FB2 board
AG Board
Check
TUW board
AG Board
Check
AG Board
YES
YES
YES
NO
Check
AG Board
3-5. AUDIO PROBLEM (Flow Chart_D) 
KLV-40/46W300A (WB)     3-12E
Video 
problem
All inputs 
have 
problem?
YES
NO
Analog 
Channel 
Problem
Digital 
Channel 
Problem? 
HDMI 
Problem
Check
LVDS harness 
(FB2 and Panel)
GF1(GF2) / DF boards
FB2 board
Panel Module
NO
NO
Check
FB2 board 
HW2 board
Check
TUW board
AG board
FB2 board
Check
FB2 board
AG board
YES
YES
YES
NO
Check
FB2 board
AG board
NO
Check
FB2 board
YES
YES
Back Light 
turn on?
OSD 
appear?
NO
Check
LVDS harness 
(FB2 and Panel) 
FB2 board
Panel Module
3-6. VIDEO PROBLEM (Flow Chart_E) 
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