LG LPC-M155X Service Manual page 13

3. CASSETTE DECK
Deck ABNORMAL
Yes
Is B + applied to
LEAF?
Yes
Does signal come out at
IC201 pin4, 11?
Yes
Does output signal come out
from speaker?
4. Tape recode
TAPE REC ABNORMAL
Yes
Does IC201 pin4, 11 signal
come out?
Yes
Does L203 depart?
Yes
Does departure signal go
into pn201, pin1, 3
Yes
HEAD connector check
LGE Internal Use Only
No Does B + come out
at Q901 collection?
Yes
CN202 check
No
SW201 check
HEAD connector check
No
CN202 chec
No
CN202 pin3, 4 check
No
Does B + light at leaf switch
Yes
No
R203, L204, L203 check
- 3-2 -
No
k
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Only for training and service purposes
CN701, ZD901 check