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Chassis Block Diagrams
IC801
CPU
LAMP_DET
FAN_SW FAN_DRIVE
LAMP_SW
P-FAIL
Q4807
Q1561
FAN_LOCK2
FAN_LOCK1
P-FAIL
P-FAIL
FAN_LOCK
FAN_LOCK
FAN_DRIVE
IC_RESET
IC4891
Q4891
SCL2
SDA2
SCL2
SDA2
2
1
5V
5V
5DV
15.5V
3.3V
S-5V
15VP
9V
S5V
IC3102
D3102
D4814
D2501
D5511
D5601
D5606
D5612
D5562
D031
D6502
D6505
D6507
5V1
IC3103
C3.3V
3.3MCI
5VMCI
6V
FAN1
9V
16V 14.5V
15AUDIO
IC4801
S3.3V
IC391
S2.5V
IC392
D3103
5V_DV
IC1561
D1561
2.5V1
2.5V
IC451
D451
D6381
IC6381
12V
IC1571
D1571
3.3_AV
IC3251
D3251
IC1102
D3103
3.3V_AD1
IC241
D241
3.3V_AD2
3.3V_AD3
IC242
D242
IC243
D243
IC3252
D3252
IC3253
D3253
LINE FILTER
BOARD
SW905
THERMAL
SWITCH
IC902
INTERLOCK
SWITCH
LAMP
BALLAST
BOARD
IC1871
TEMP. SENSOR
SCL2
SDA2
2
1
IC1873
TEMP. SENSOR
SCL2
SDA2
2
1
IC2821
TEMP. SENSOR
14
4
1
K6F
K8L
K6D
K6E
K6C
CN26B
CN26A
K66A K66C K66D K66E K26D
K26A
K55A
K55B K55D
K10X
K10R
K8A
K8B
K8K
K28B
K8G
K26C
K8F
K8E
K26B
LAMP
AC CORD
S5V
9V
S5V
9V
S5V
S5V
S-5V
S3.3V
S5V
S-5V
S3.3V
5V_DVI 5V_DVI
K55H
K55S
K55K
FN901
FN906 FN907 FN904 FN905
FN902
FN903
123
138
137
125
51
52
3-6
3-6
43-4635-3827-3019-249-1013-14
20 11
1
12 12 12 12 3,45,79
5
8
11
1
1
2
1
2
1
2
192 75
75192
49
52
1
3
4
6
7
37
40
43
46
49
52
5
33
5
5
8
11
5-8
20 1117
17
5-8
43-4635-3827-3019-249-1013-14
AUDIO BOARD
AV BOARD
COM BOARD
SENSOR BOARD
MAIN BOARD
POWER AC
BOARD
POWER DC
BOARD
Lamp Error: H
Lamp-On: H
Fan Error: H
Power Fail: L
Power-On: H
IC_RESET
2
Power-On: H
Power supply & protection circuit