Sony KDL-42W800A Service Manual page 210

Troubleshooting
3-11. Wireless Network malfunction (continue)
*1) Come from
the previous page.
Check harness NG
connection is OK
between HSC and B* b t HSC d B*
NG
OK
NG NG
Change
Wi-Fi module
OK
Wi-Fi module
OK
Connect properly
NG
Change HSC board
OK
HSC board
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A
Loose harness
Change harness
NG
Between B* board
and HSC board
OK
Main Harness
B* Board Type
Size
OTHERS JAPAN
42 BA2S BA2W
47 47 BA2S BA2S BA2W BA2W
55 BA2S BA2W GL2E(CH) GL2E(ID) GL2E(CH) GL2E(ID) GL2E(ID) HSC HIR
If Wi-Fi malfunction happens,
• Wi-Fi module
• HSC board
• Harness between HSC and
B* Board
• B* board are suspected.
Change B* board
G* Board Type
CHINA ASIA AMERICA EUROPE JAPAN
GL2S GL2S GL2E(CH) GL2E(ID) GL2S
GL2S GL2S GL2S GL2S GL2E(CH) GL2E(ID) GL2E(CH) GL2E(ID) GL2S GL2S
RB1G CHASSIS
H* Board
Type
HSC HIR
HSC HIR HSC HIR
210