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No raster and sound
Normal
abnormal
abnormal
Normal
no display charactor
inspectR501,C5
07,V503 etc.
Inspect whether the voltage 115V 180Vloaded voltage is nornal or not
Inspect whether the voltage on the
collector of V552 is 24V or not
Inspect the voltage on all
loaded resistor
Inspect
N902,V924,
V925 etc.
Inspect the voltage such as
12V,9V,B1,5V are normal or not
Inspect V552 or
CPU power control
circuit
Inspect the
power soured
circuit
Inspect whether the
rectifier is short or
not
Fault in line circuit
or N201
see
next page
Replace the
rectifier
Cause of
the load
Yes
No display charactor
Display black character or not
Inspect L902 C926 C925
Inspect the circuit from
N901(22~24) to N201(14~16)
Replace the
component
normal
有
no
abnormal
yes
Inspect the circuit from V922
R915 C450 to T402(pin5) or the
circuit from V923 C921 R914 to
N402(7)
no
yes
abnormal
normal
Brocken
normal
Check the Fuse
No raster and sound
No
33
Summary of Contents for HS-2190
Page 31: ...Note the item marked have been adjusted on product line those may differ in different TV 31 ...
Page 40: ...Terminal view of transistors 2SC4237 2SD1879 2SA608 2SC536 2SB764 2SD400 40 ...
Page 43: ...C Circuit diagrams 43 ...
Page 61: ...Sincere Forever Haier Group Tel 86 532 8938356 Web site http www haier com ...