LG MCV903 - Tape Rec Part Check

3-10
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Only for training and service purposes
LGE Internal Use Only
11. TAPE REC PART CHECK
YES
NO NO
Refer to SMPS
Troubleshooting.
Check the IC201 7.24 PIN
REC input
Replace the related part
Replace the related part
Check the IC201 10.21
PIN output
NO
. Check P2203 5.3 PIN input
. Check 8 PIN ERASE input
OK
OK
TAPE REC PART
Check IC100 23PIN HIGH
YES
YES
NO NO
Check the IC202 4 PIN
HIGH operation
OK
Check Q205(D1304)
BASE HIGH
YES
YES
Check the
IC604 PS9829
#49, #52 PWM
output
YES
YES
YES
YES
Check the L203 2.3 PIN
oscillation