4.Troubleshooting
4.1.6.NoLogo(Component)-LabelB
Che ck the Vide o s e le ct, ca ble
conne ction, TV mo de .
No
No
No
Che ck pe riphe ra l IC11’s powe r,
solde ring a nd de vice s .
Yes
Yes
Yes
(1) / (2) / (3)
Vide o output from C121, 122, 1 23
Vide o s e le ction
accords with ca ble co nne ction a nd
TV mode ?
(4) / (5) / (6)
Vide o output from IC11
B. No Logo (Component)
Compone nt Ca ble Error.
Che ck IC29 pre phe ral circuit or
cha nge MAIN P CB.
image of Fig. 4-4 .
* Refe r to wave pa tte rn
image of Fig. 4-5 .
* Refe r to wave pa tte rn
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