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d) TV channel has no picture
Check NS01
peripheral circuit,
crystal oscillator and
the power supply.
e)
YPbPr/SCART RGB
Check NS01 peripheral
circuit, crystal oscillator
and the power supply.
No
The route between
YPbPr/SCART RGB
socket and
NB06 exists problem.
Check LJ31 has
signal input.
Yes
Check circuit
between
TUNER1 and
NS01.
channel has no picture
Check CS21, CS22, CS23,
CS24 have signal input.
Yes
Check NB06 pin 4, pin 7,
pin 9 have signal output.
No
Check NB06 pin 2,
pin 5, pin 11/3, pin 6,
pin 10 have signal
input.
Yes
Check NB06
peripheral circuit,
the power supply.
No
Check TUNER1 pin
11 has signal output.
Yes
No
Yes
Check channel
between NB06
output and NS01
input.
17
No
Check TUNER1
peripheral
circuit, power
supply and bus.
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