
- 21 -
6. NO POWER ON
6.1 MICOM PART CHECK
Check input voltage of
IC001#9,11,13,30,37,42,44
Check SMPS Board
Check IC001 #34,35
(OSC)
Replace X001
YES
NO
NO
Check IC001 #3, 4 (SCL,SDA)
NO
Replace Q003, Q004
Check IC001 #46 (ABN)
Check Abnormnal Circuit
Check IC001 #24 ( IR ),
#47~52 (Key In)
Check P004AP connector
YEs
YES
HIGH
LOW
NO
All manuals and user guides at all-guides.com
all-guides.com
Summary of Contents for PT-43A80
Page 28: ... 28 PRINTED CIRCUIT BOARD SIGNAL All manuals and user guides at all guides com ...
Page 30: ... 30 MAIN2 DEF All manuals and user guides at all guides com ...
Page 32: ... 32 SMPS POWER SWITCH PRE AMP All manuals and user guides at all guides com ...
Page 33: ... 33 CPT CONV OUT All manuals and user guides at all guides com ...
Page 34: ... 34 PIP SIDE AV CONTROL All manuals and user guides at all guides com ...
Page 35: ... 35 VM TOP VM BOTTOM All manuals and user guides at all guides com ...
Page 38: ... 38 AV TOP AV BOTTOM All manuals and user guides at all guides com ...
Page 67: ...P NO 3854VA80B SMPS DEF CPT VM DATE 2000 11 30 All manuals and user guides at all guides com ...
Page 68: ...All manuals and user guides at all guides com ...
Page 69: ...Oct 2000 Printed in Korea P NO 3828VD0080A All manuals and user guides at all guides com ...