LG LX-D2640, Service Manual

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Rec check (Q252, Q202 ON : R273, R223 High)
IC203 pin2, 8 signal input chek
IC203 pin3, 7 output check
L201 pin5 power check
L201 pin1, 3 oscilates check
Deck replacement
Q202, Q252 Base "Low" check
IC501 pin9 “L” check
IC203 pin6 VCC power check
Power trouble check
C227(+) power input check
Refer to power check
R228 10V check
L201 replacement
Q204, Emitter oscilates check
R212 R262 oscilates wave check
Pattern check
Q202, 252 replacement
YES
YES
YES
YES
YES
YES
YES
YES
ON
ON
ON
ON
ON
ON
ON
ON