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56
27D
V
-S100
27D
V
-CS10
No turn on
System control(IC2001)
pin(36),(51),(73)= 5V ?
No raster
Check 5V regulator
(IC9021)
System control(IC2001)
pin(37),(38)= 14.32MHz ?
YES
System control (IC2001)
pin(25)= 5V ?
Replace IC2001
YES
NO
NO
NO
Check X7001
Check reset circuit
(IC2002)
System control (IC2001)
pin(1)= 60Hz signal ?
YES
System control (IC2001)
pin(4)(power control)=5V ?
pin(13)(TV power)=5V ?
(when turn on)
YES
YES
NO
NO
NO
Check TC detector
(IC901)
12V REG (IC9740)
pin(3)=12V?
YES
NO
Check IC9740 and 12V
line of TV power circuit
Error amp (IC9741)
pin(1)=130V ?
YES
Check deflection circuit
and FBT
YES
NO
Check 130V line and
other TV power circuit
Power control SW(Q9101)
and relay (RY9701) are
normal ?
Check power control
circuit and relay drive
circuit
+B voltage = 130V ?
(L9720)
RGB AMP (IC8850) bias
output from pin (9),(8),(7)?
Check TV power circuit
NO
RGB AMP (IC8850)
pin(6)=210V?
NO
Check HEATER line
NO
YES
Check CRT screen control
and FBT (T5603)
YES
Replace IC8850
YES
FLOW CHART No. 1-1
FLOW CHART No. 1-2
TR
OUBLESHOO
TING FLO
WCHAR
TS OF
TV SECTION
Summary of Contents for 27DV-CS10
Page 72: ...73 27DV S100 27DV CS10 72 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT ...
Page 103: ...111 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit ...
Page 106: ...116 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM TERMINAL SUB Unit ...
Page 107: ...117 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM FRONT AV Unit ...
Page 122: ...144 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H MAIN Unit Wiring Side ...
Page 123: ...145 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H MAIN Unit Chip Parts Side ...
Page 124: ...146 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H TERMINAL Unit Wiring Side ...
Page 125: ...147 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H TERMINAL Unit Chip Parts Side ...
Page 126: ...148 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H TV POWER Unit Wiring Side ...
Page 127: ...149 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H DEFLECTION Unit Wiring Side ...
Page 128: ...150 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H DVD VCR POWER Unit Wiring Side ...
Page 130: ...152 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H DVD MAIN Unit A Side ...
Page 131: ...153 27DV S100 27DV CS10 6 5 4 3 2 1 A B C D E F G H DVD MAIN Unit B Side ...