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 />
System control<br />
S_SW<br />
IC5031<br />
AUDIO-OUT<br />
<br />
S_SW<br />
PC1/PC2_SW<br />
ON:H<br />
Q6842<br />
S-VIDEO<br />
SP901<br />
SPEAKER<br />
IC5001<br />
AUDIO-CONTOL<br />
<br />
POWER SUPPLY<br />
MUTE<br />
P.F. CONTROL<br />
VOLUME<br />
SCL0_5V/SDA0_5V<br />
L/R<br />
POWER<br />
P-ON:H<br />
11<br />
LAMPDC_ON<br />
LAMP BALLAST<br />
1<br />
SW901<br />
LAMP<br />
COVER<br />
SWITCH<br />
LAMP COVER<br />
Mute On:H Q5034<br />
OUT_DET<br />
RC<br />
RECEIVER<br />
Q5036<br />
Mute On:H<br />
4<br />
RC<br />
K6R<br />
13<br />
R/C<br />
MAIN<br />
IC5201<br />
PC1/PC2-SW<br />
<br />
FAN_CON_A<br />
1<br />
FAN_CON_B<br />
2<br />
IC3501<br />
D/A<br />
<br />
267<br />
345<br />
101<br />
1<br />
184<br />
269<br />
91<br />
346<br />
92<br />
201<br />
89<br />
295<br />
26<br />
413<br />
285<br />
363<br />
11<br />
344<br />
110<br />
370<br />
215<br />
182<br />
28<br />
126<br />
216<br />
290,208<br />
ON:H<br />
ON:H<br />
ON:H<br />
Q6841<br />
Mute On:H<br />
D6833<br />
Power On:H<br />
Power On:H<br />
ERROR:H<br />
PC1:L<br />
P.Fail:L<br />
P_FAIL P_FAIL<br />
7,8<br />
K8R<br />
CHO_TXD<br />
Power On:H<br />
2<br />
1<br />
10<br />
26<br />
Power On:H<br />
Power On:H<br />
Power On:L<br />
BALAST_AC<br />
DDC_SW3<br />
WARNING_LED<br />
LAMPREP_LED<br />
READY_LED<br />
PWR_LED<br />
MUTE<br />
DC_ON<br />
LAMPDC_ON<br />
CHO_RXD<br />
Power On:H<br />
BLAST_AC<br />
FAN_SW1<br />
FAN_ERR<br />
FAN_SW1<br />
212,293<br />
214<br />
DDC_SW1<br />
Q6843<br />
Q6844<br />
D6832<br />
D6831<br />
CHO_TXD<br />
FAN_SW2<br />
ON_3.3V<br />
ON_150V<br />
ON_5VA<br />
CABLE_SW<br />
FAN_SW2<br />
P.Fail:L<br />
P_FAIL_FAN P_FAIL_FAN<br />
KEY1<br />
KEY2<br />
KEY3<br />
SCL0_5V/SDA0_5V<br />
CHO_RXD<br />
SCL0_5V/SDA0_5V<br />
IRRCVR0<br />
K8F<br />
IC9882<br />
INVERTER<br />
10<br />
13<br />
K8H<br />
IRRCVR0<br />
5<br />
1<br />
1<br />
4<br />
2<br />
IC4891<br />
NAND<br />
K8S 3 1<br />
K8D K29D<br />
3<br />
IC891<br />
INVERTER<br />
<br />
S5V<br />
WARNING<br />
LAMP REPLACE<br />
READY<br />
FAN<br />
CONTROL<br />
CIRCUIT<br />
FAN_CON_C<br />
3<br />
KEY SWITCH<br />
IC301<br />
SCALER <br />
-46-
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