LG RU-42PZ90 Service Manual page 34

PRINTED CIRCUIT BOARD
MAIN(TOP)
PIGGY BACK(TOP)
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PIGGY BACK(BOTTOM)
MAIN(BOTTOM)
AV(TOP)
AV(BOTTOM)
AV FIX(TOP)
AV FIX(BOTTOM)
SPEAKER (TOP)
POWER SWITCH
SPEAKER (BOTTOM)
CONTROL(TOP)
CONTROL(BOTTOM)