Copyright © 200
8
LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
- 3-2 -
3. CASSETTE DECK
Deck ABNORMAL
CN701, ZD901 check
Is B+ applied to
LEAF?
Does output signal come out
from speaker?
CN202 check
SW201 check
HEAD connector check
Does signal come out at
IC201 pin4, 11?
Does B+ come out
at Q901 collection?
CN202 chec
TAPE REC ABNORMAL
HEAD connector check
CN202 pin3, 4 check
Does IC201 pin4, 11 signal
come out?
Does B+ light at leaf switch
R203, L204, L203 check
Does departure signal go
into pn201, pin1, 3
Does L203 depart?
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
No
k
4. Tape recode