RB1G
CHASSIS
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
3-7. SIDE BUTTONS MALFUNCTION
207
Troubleshooting
HUS button
malfunction
Check Harness on HUS and
B* Board properly connected
Check Harness pin Assignment
According to circuit.
OK
OK
Change B* Board
NG
NG
Probe at Key_AD line and
check the signal
Loose harness
connect properly
Change Harness
Change HUS
NG?
OK
■
Execute SIDE BUTTONS
i.Start Side Key check with diag sidekey_check.
ii.Push Side Key : CH+
when [MESSAGE] PLEASE PUSH [ CH+ ] KEY is displayed.
iii.Push Side Key : CH-
when [MESSAGE] PLEASE PUSH [ CH- ] KEY is displayed.
↓
iv.Check that diag sidekey_check result OK is returned.
When this check result is NG.
(*)
Size
B* Board Type
OTHERS EUROPE
JP
24”
BKX
BKE
BKJ
32”
BKX
BKE
BKJ
42”
BKX
BKE
BKJ