Horizontal bright lines
Available
35
Inspect the circuit of
19V power supplying
circuit
normal
normal
abnomal
Abnormal
Picture on screen without sound
Available
not
Available
no
no
Available
Open R907 using a
meter on 1k range with the red probe grounding then make the
black probe touch N402(pin4) to see whether the line can suddenly spread.
Fault in field signal circuit
Fault in field signal output
Inspect R907 R448 R448
Inspect the voltage onN402(3)
Replace
components or
repair the
interrelated
circuit
Inspect N201
and the
around it
componets
Inspect the plug of field
deflexion coil , C433 , N402
and the components around it
Inspect
circuit of the
power
voltage 24V
Picture without sound
Open C700
make the red probe of a
meter
grounding ,using the black probe of meter to touch N402(pin6)
N701 is nomal, inspect componets
interrelated sound IF amplifying
around N201 and N201
Open the collector of V701 using the black
probe to touch N701(pin6)
listening
whether there is the voice of cluck
Fault in the circuit of
sound MUTE
inspectV701 V903
Inspect the voltage 19V
Inspect the speaker,N701and
components interrelated sound
ampfiying around N701
not
Horizontal bright lines
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 ...