SERVICE MANUAL LC-XB41 - TechEdu.com
SERVICE MANUAL LC-XB41 - TechEdu.com
SERVICE MANUAL LC-XB41 - TechEdu.com
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Chassis Block Diagrams<br />
Q3601<br />
D3621<br />
D3622<br />
SW901<br />
LAMP<br />
COVER<br />
TEMP<br />
LAMP<br />
BALLAST<br />
BOARD<br />
K8N<br />
K6M<br />
K6L<br />
FN903<br />
FN904<br />
FN905<br />
1<br />
2<br />
1<br />
2<br />
1<br />
2<br />
D3623<br />
D3626<br />
K6K<br />
K6J<br />
FN901<br />
FN902<br />
1<br />
2<br />
1<br />
2<br />
3<br />
8<br />
6<br />
7<br />
2 1<br />
2 1<br />
IC7811<br />
S15.5V<br />
FAN_A<br />
FAN_B<br />
Q7812<br />
TPFANA<br />
Q7813<br />
Q7811<br />
3<br />
8<br />
6<br />
7<br />
IC7861<br />
Q7862<br />
Q7864<br />
Q7861<br />
Q7801<br />
Q7844<br />
P_FAIL<br />
FAN_SW1<br />
D3613<br />
D3614<br />
D3627<br />
IC8821<br />
TEMP.<br />
SENSOR2<br />
<br />
2 1<br />
IC8811<br />
TEMP.<br />
SENSOR3<br />
<br />
IC4831<br />
TEMP.<br />
SENSOR1<br />
<br />
MAIN BOARD<br />
FAN_CON_B<br />
FAN_CON_A<br />
Power-On:H<br />
IC3531<br />
D/A<br />
<br />
IC4891<br />
NAND<br />
2<br />
FAN_CON_C<br />
3<br />
1<br />
2<br />
4<br />
1<br />
8<br />
7<br />
215<br />
P_FAIL_FAN<br />
370<br />
269<br />
Q7802<br />
FAN_SW2<br />
Power-On:H<br />
363<br />
212, 293 SCL0<br />
SDA0<br />
SCL0_5V<br />
SDA0_5V<br />
IC1371<br />
BUS-SW<br />
Power Error: On<br />
P_Fail: H<br />
SIGNAL/MODE<br />
POWER-ON<br />
STAND-BY<br />
H<br />
L<br />
NORMAL<br />
ERROR<br />
H<br />
L<br />
FAN_SW1<br />
FAN_SW2<br />
P_FAIL<br />
P_FAIL_FAN<br />
P_FAIL<br />
Q3601<br />
Power Error: On<br />
P_Fail: H<br />
FAN_ERR<br />
TPFANB<br />
K8S<br />
K8H<br />
K8H<br />
413<br />
3<br />
1<br />
4<br />
4<br />
BALAST_AC<br />
D3628<br />
K8G<br />
FN907<br />
1<br />
2<br />
FAN_C<br />
3<br />
8<br />
6<br />
7<br />
IC7841<br />
Q7842<br />
Q7841<br />
D3644<br />
TPFANC<br />
2<br />
1<br />
IC301<br />
SCALER<br />
<br />
P_FAIL_FAN<br />
Fan control circuit
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