User Manual

IC801
TV CPU
MAIN BOARD
IC7801
Q7806
D7892
Q7811
Q7801
Q7821
Q7841
Q7861
Q7831
Q7851
Q7871
L : ERROR
H: FAan ON
D7893
D7894
D7895
Q7898
Q7881
IC7821
IC7861
IC7881
IC1801
DAC
<M62392>
IC8801
TEMP.
SENSOR
K8T
K68B
KEY BOARD
For ABNORMAL TEMP. DETECT
and FAN CONTROL
1,21,2
IC8811
TEMP.
SENSOR
IC8861
TEMP.
SENSOR
1
2
K78A
K78B
K78C
K78D
K78E
K78F
FN905
FN906
FN901
FN903
FN904
FN902
1
2
1
2
1
2
1
2
1
2
4
5
6
7
18
D7891
D7896
TPFAN1
TPFAN2
TPFAN3
TPFAN4
17V
Q7826
Q7846
Q7866
24
25
61
2
3
FAN_ENBFAN_SW
SCL_TV
SDA_TV
FAN_ERR
1,2
3,5
-90-
● Fan control stage
Location of Fan and Temperature sensor
Chassis Block Diagrams
FN905
(Exhaust)
FN906
(Intake)
IC8861
(Temp. Sensor-A)
FN904
(for Panel)
FN902
(for PBS)
FN901
(for Lamp)
FN903
(for Panel)
IC8811 (Temp. Sensor-B)
on PWB side-B
IC8801 (Temp. Sensor-C)
on PWB side-B