LG MCD112 - Tape Function Check

3-10
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Only for training and service purposes
LGE Internal Use Only
12. TAPE FUNCTION CHECK
TAPE function check
YES
Check IC200(BU4052)_
PIN16 VDD, PIN8 VSS power
YES
YES
YES
NO
Check
IC200(BU4052)_PIN2, 15 input
waveform.
Check IC200(BU4052)_
PIN16 VDD, PIN8 VSS power
YES
NO
Check IC801(MC4580)_
PIN2, 6 input waveform.
YES
Replace IC200.
Replace IC200.
Replace IC200.
Check IC200(BU4052)_PIN3, 13
output waveform and IC601(BU4052)_
PIN2, 15 input waveform.
YES
TAPE PCB ASS`Y
OK