Sony KD-55X8 G Series Service Manual page 63

3.3 No Sound Power Off Check
BSL-PWB
TV Business Division
C331
2
F3202
/
F3201
(1) PVDD-GND short check
Measure impedance between PVDD and GND at
capacitor C3312.
if impedance is <100Ω → NG
(2) 3.3V short check
Measure 3.3V voltage at C3279.
impedance is <100Ω → NG
(3) Fuse open check
Measure impedance of fuse F3202/F3201 5A .
If fuse open → NG
C327
9
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