
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6. NO POWER ON
Check input voltage of
IC001#6,8,22,40,56,73,75,92
Check SMPS Board
Check IC001 #52,53
(OSC)
Replace X001
YES
NO
NO
Check IC001 #11,12 (SCL,SDA)
NO
Replace Q003, Q004
Check IC001 #44 (ABN)
Check Abnormnal Circuit
Check IC001 #34 ( IR ),
#31~38 (Key In)
Check P004A connector
YES
YES
HIGH
LOW
NO
Summary of Contents for PT-53A83T
Page 30: ... 30 PRINTED CIRCUIT BOARD SIGNAL ...
Page 32: ... 32 MAIN2 DEF ...
Page 34: ... 34 SMPS NARROW SMPS WIDE ...
Page 35: ... 35 CPT CONV OUT ...
Page 36: ... 36 POWER S W SIDE AV CONTROL PRE AMP ...
Page 37: ... 37 VM TOP VM BOTTOM ...
Page 38: ... 38 CONVERGENCE TOP CONVERGENCE BOTTOM ...
Page 39: ... 39 MICOM TOP MICOM BOTTOM ...
Page 40: ... 40 100HZ TOP 100HZ BOTTOM ...
Page 41: ...AV TOP 41 AV BOTTOM ...
Page 43: ...MEMO 43 ...
Page 62: ......
Page 63: ... WIDE ...
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Page 68: ...SVC SHEET 3854V A0094A S1 SVC SHEET 3854V A0094A S2 SVC SHEET 3854V A0094A S3 SVC SHE ...