35
TROUBLE SHOOTING
FLOW CHART NO.1
Is Power LED lit?
Is the +3.3V_NSW line voltage normal?
Is the "H" level MCU Reset to Pin(77) of IC11?
The power cannot be turned on.
Is normal state restored when once unplugged power cord is plugged
again after several seconds?
+3.3V_D is not outputted.
Check IC609 and the periphery circuit, and service it if defective.
Check each voltage regulator circuit and service it if defective.
Is +7V_DRV voltage supplied to IC609?
Check if there is any leak or short-circuiting rectifier
circuit of SUB Power transformer, and service it if
defective.
(PT601,IC611,Q609-Q612,D633-D638)
NO
NO
NO
Check IC11,IC12and the periphery circuit, and service it
if defective.
Check if there is any leak or short-circuiting rectifier
circuit of Power transformer, and service it if defective.
(Main Trans,IC610,D617,D618,D622,D623)
NO
NO
YES
YES
YES
YES
YES
FLOW CHART NO.2
Summary of Contents for DCD-F109
Page 32: ...32 Personal notes...
Page 57: ...57 PACKING VIEW 6 1 4 5 3 2 6 9 11 10 8 9 10 5 7 5 6 5 8 5 1 5 5 5 5 2 5 3 5 4 s...
Page 63: ...63 TMP92CD28AFG IC15 39 DCD 710AE TMP92CD28AFG IC15...
Page 67: ...67 TC94A92FG IC17 43 DCD 710AE TC94A92FG IC17...
Page 75: ...75 2 FL DISPLAY V F D 16 ST 103GINK FLT500 PIN CONNECTION GRID ASSIGNMENT 1 43...
Page 76: ...76 GRID ASSIGNMENT...
Page 77: ...77...