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IC301 Troubleshooting
IC301 17,46,72,90 INUT VOLT.CHECK
YES
IC301 26Pin 5V INPUT CHECK
YES
X301 CHECK
YES
IC301 17Pin VOLT INPUT (Low ➝ High)
YES
OK
IC204 Troubleshooting
IC204 16Pin INUT VOLT.CHECK
YES
IC204 2,3 Pin CLK Data CHECK
YES
CONTROLL FUNC.CHECK
YES
OK
NO
VOLTAGE CHECK LIST
NO
P-SENS SECTION CHECK
NO
X301 CHANGE
NO
RESET SECTION CHECK
IC301 CHANGE
NO
VOLTAGE CHECK LIST
NO
IC301 3,4Pin Data CHECK (CD,TAPE FUNCTION MODE)
IC301,IC204 pattern check
NO
IC204 CHANGE
- 2-18 -
YES
YES
NO
IC301 TROUBLE SHOOTING
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