RB1G CHASSIS
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
83
Troubleshooting
3-3-3. Main Board Power Off Checking (for Main SP Lch & Rch)
No Checking Item OK NG
5 Check connectivity audio output path (only for BA2
and BM board):
L4601 (near to IC side) – CN4601 Pin1
L4602 (near to IC side) – CN4601 Pin2
L4603 (near to IC side) – CN4601 Pin3
L4604 (near to IC side) – CN4601 Pin4
Must have good connection
(~0 Ω)
Open circuit.
6 Check connectivity audio output path
(only for BKE and BKX board):
L4601 (near to IC side) – CN4601 Pin4
L4602 (near to IC side) – CN4601 Pin3
L4603 (near to IC side) – CN4601 Pin2
L4604 (near to IC side) – CN4601 Pin1
Must have good connection
(~0 Ω)
Open circuit.
Size B* Board Type
(Segment: LW)
OTHERS EUROPE JP
32” BKX BKE BKJ
42” BKX BKE BKJ
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