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58
27D
V
-S100
27D
V
-CS10
No Sound
Protect Mode
X-Ray Protect
NO
NO
YES
IC3001(MTS)
Audio signal output from pin(3),(2)?
Speaker amp (IC6351)
pin(10) = 27V ?
Check TV power circuit
YES
Replace IC3001
NO
System control (IC2001)
pin(83) = 5.0V("H")?
NO
YES
Speaker amp (IC6351)
Audio signal input to pin(2), (5) ?
Check between IC3001 and IC6351
NO
YES
Speaker amp (IC6351)
pin(8) = 0V ?
Check speaker mute line between
IC2001 (
µ
-com) and IC6351
YES
Check between IC3001 and IC3201
(EQ Sound)
Check between TU1951 (tuner) to
IC3001
YES
Check between TV Power PWB and
speaker.
IC3001 (MTS)
Audio signal output from pin(40), (39)?
NO
NO
IC3001 (MTS)
Audio signal input to pin(14)?
When a unit changes into a dangerous state, it turns off automatically and makes Power LED flash
on and off continually to indicate the Protect Mode.
Flashing 1 time
X-Ray (/Def. Over Current/Dynamic Focus Over Voltage) protect
Flashing 2 times
Vetical-Out Protect
Flashing 3 times
TV Power Short Protect
(Check when power On)
YES
Check or replace IC2001
NO
X-Ray protector
Q2808 collector = 5.0V("H")?
YES
Check between Q2808
and IC2001
YES
YES
X-Ray protector
D5623 anode = over 4V?
NO
Check between D5623
and Q2808 base
NO
NO
Def. over current detector
Q5610 collector = about
130V?
Dynamic focus over voltage
detector D5627 anode = over
5V?
YES
Check FBT T5603,
peripheral circuit and
deflection circuit
YES
Check dynamic focus
circuit (Q5604, T6601 and
peripheral circuit)
NO
Check Q5606 and D5608
Check R5646, R5648 and
D5628
NO
X-Ray protector
D5623 cathode = over 13.5V?
Def. over current protector
Q5606 base = over 4V?
YES
Check Hi-Voltage (33kV;CRT anode), FBT T5603 and
peripheral circuit
YES
+B voltage (L9720) =
130V?
NO
Check TV power
circuit
FLOW CHART No.1-5
FLOW CHART No.1-6
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 ...