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REPAIR INSTRUCTIONS (part two)
C
All Functing
NO Sound
ok
Check RB102
not
See Contents B
Pin 3,4 Voltage=38V
ok
Check Repair RB102
not
Check IC501,IC502
and its conjoint part
Voltage Correct is ok
ok
Check Repir Q408 e=3.2v
not
Check IC501,IC502
and its conjoint part
Pin23 Voltage is 3.3V
D
DVD Audio
NO Sound
Check open/close
check cn801 cn802 and
not
and disc change
cn803 to dvd loader
working or not
Cable loose or bad int
ok
ok
check cn801 to dvd
ok
re-insert and fix
loader cadle laose or
the cable
bad int
not
not
check Ic101 Ic401 and
hae pictur output
their conjont part
Yes or No
ok
check IC501 IC502
and its conjoint part
2 - 3
E
Aux1/Aux2 in
NO Sound
Check IC304 IC304
and its conjoint part
offirm working
not
Check IC304 IC304
pin7=-5. v
pin1 =5. v
ok
Check ic305
and its conjoint part
offirm working
not
Check IC101 pin209,
pin210,211and pin214
its conjoint part
check IC101 Ic801
not
and their conjoint pard
Check Between IC101
Check Q104
not
pin157 158 159
and their cojoint part
Check zd101
and their
conjoint part
not Check repair Between
Q301 e=3v and their
conjoint part
See Contents B
2 - 3
F
Tuner
NO Sound
not
Check cn103
c=11. v
pin9=9v
not
yes
Check IC302 pin4=
-12v pin8=12v and
other conjoint part
not
According AUX1
Aux2 REPAIR
G
Ipid
NO Sound
not
Check jk101
pin1=5v
yes
Check jk101 pin2=
2.5-3.3v
other conjoint part
not
According AUX1
Aux2 REPAIR
YES
Check IC101 pin198
199 pin200 and
other conjoint part
not
Alternate tuner
YES
Check IC101 pin103
pin104 and
other conjoint part
not
Alternate Ipid Dock
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