- 29 -
Check the
Condition of all
Connectors, wafers, I2C
In corresponding
Signal flow?
Check the
input LR signal
at pin no 5,12 or 7,10 of
IC907 for AV1,2
respectively
Check the
input Analog LR
across R616,615
Check audio
output at MSP
across R655,656,657
And 605.
Check the
supply voltage 8V
across L601-602
Is Volume level
Of the set 0?
Is Mute ON?
Check
12V at pin 9 of
IC907
Check the
PWM output of NSP
across R325-328
Check the
Amplifier output level
At L300-303
Check
3.3V supply across
L305 and 2.5V at
L304
Check 18V
supply at pin 55and
pin 30 of
AMP
Is the Set ON?
Correct them
Replace the MSP
Power Error
Increase the Volume
Turn OFF the Mute
Replace IC907
Power Error
Power Error
Replace NSP
Push the POWER ON key
There may be some
error in PC input.
Replace TAS5122(amp)
Check the interfacing
Ciruit of SCART1/2.
No Audio
FAIL
PASS
PASS
FAIL
FAIL
PASS
PASS
FAIL
FAIL
PASS
PASS
PASS
FAIL
PASS
Yes
FAIL
PASS
FAIL
PASS
PASS
PASS
FAIL
FAIL
FAIL
PASS
FAIL
3. SCART(A
V1/2) Audio
