Load In Malfunction - Samsung MAX-460V Service Manual

Troubleshooting
6-4 Video CD

6-4-1 Load In Malfunction

There is no Video CD read in
O
Check voltage of PI1, CQ1 ?
O
Check oscillation of MX1, CX1 ?
O
Check reset of MI1 pin50,
CI1 pin101?
O
Check communication of MI1
pin3,33,34,42,43 ?
O
Check communication of
MI1,CI1 ?
O
Check commucation of
CI1,RI1,RI2,RI3 ?
O
Lead In Mode : check data input
of CI1 pin104,105,106
6-8
X
Check connection of short
Check oscillation
X
connection condition
& short
X
Check connection condition
& short
X
Check connection of short
Check MI1,CI1 connection
X
& short
Check CI1,RI1,RI2,RI3
X
connection & short
X
Check 8V output of Main PCB
X
Check µ-com of Main PCB
X
Check µ-com of Main PCB
Samsung Electronics