- 80 -
■
Power Supply Lines
FN901
1 2 3
S16V
S6V
S
-
6V
S33V
S16V
16V_F
F
AN1
S6V
S
-
6V
S33V
K6A
C
PO
WER
BRIDGE
DIODE
IC601
P.
F.
CONTR
OL
T651
CONVER
TER
TRANS
.
PC661
PC662
PC663
2
4-5
1
3
6
5
2
4-5
1
3
5
432
9
10
11
5
7
A
C
INPUT
THERMAL SW
FUSE
FILTER
K6AB
K6AA
IC7801
Q7806
FAN_ENB
FA
N_CONT1
L3616
IC3631
7V
5V_HP
S3.3V
2.5V_IP
IC4291
2.5V_SM
IC5291
L391
S3.3V_PW
IC391
S2.5V_PW
D7807
D3676
D3671
D3601,02
D7827
D7847
D4891
D4896
D4291,92
D5291,92
D4861
D4866
D4871
D491,92
LAMP B
ALLAST
IC851
COMP
ARA
TO
R
IC4841
DA
C
IC1811
B
UFFER
IC301
SYSTEM
CONTR
OL
370V
18VB
18V
IGNIT
OR
3.3V_SM
Q4861
3.3V_IP
Q4866
S6V
3.3V
A
IC2291
3.3VD
IC2296
D2291
D2296
Q4881
D4882
5V
A
L4882
D4881
D8102
D8101
5VD
5VDVI
5VDDC
L4881
3.3VDG
Q4871
S15V
IC4891
Q5851
15V
S5V
IC4881
IC4896
12V
IC491
1.8V
Power Fail: L
BLUE
LCD
PANEL
GREEN
LCD
PANEL
RED
LCD
PANEL
15V
174
3
2
K35B
K35G
K35R
K6B
K7B
K6C
K7C
PRIMAR
Y
CIRCUIT
K78A
FN902
1 2 3
K78B
FN903
1 2 3
K78C
F
AN2
IC7821
Q7826
Q7846
FAN_ENB
FA
N_CONT2
FAN_ENB
F
AN3
IC7841
FA
N_CONT3
FAN_ENB
5V_SW
Q3642
Q3632
S1.5V
S3.3V
3.3V
-
5V
Q3671
33V
7V
3.3V
FAN_CONT1
FAN_ERR
FAN_CONT2
FAN_CONT3
FAN_SW
5V_SW
8
7-8
4-5
2
6-7
2-3
P_FAIL
654
FAN_SW
A
V
REAR
K7Q
K20Q
33V
A
33V
5V_HP
6
1-2
6
1-2
A
UDIO AMP
K7H
K01H
S5V
-
5V
-5V
12V
5VDVI
S5V
9V
9V
A
7
K20S
9
7
9
7
9
7
A
V
FR
ONT
K10Q
K01A
K01F
SUB PO
WER
IC1166
2.5VYC
IC1171
2.5VD
D1166,67
D1171,72
IC3181
5V1
IC3191
5V2
D3181
D3191
IC1191
5V
D1191
IC6391
9V
D6391
9-12
15-18
69-70
21-22
3-6
K20P
K8A
K20G
4-5
1
K8Z
K58B
5V_TU
S15V
-5V
10-12
6-7
2-3
S3.3V
S1.5V
3.3V_N
5V_N
3.3V_N
5V_N
S6V
3
5
K58A
K58C
NET_SO_B
D5853,55
D5851
5V_TU
7
K01S
NET_SO_A
5V_SW
PANEL_SW
5V_SW
5V_REF
IC3566
D3566
6
5V_SW
MAIN
IC1802
OUT
-EXP
.
Stand-b
y :
L
5V_SW
Stand-b
y :
L
PA
NEL_SW
18
FAN_SW
19
13
Stand-b
y :
L
P
ow
er ON :
H
Q3611
Q091
Q3676
5V_TU
IC3681
L3678
Error :
L
D7891
D7892
D7893
FN904
1 2 3
K78E
D7894
P
ow
er ON :
H
P
ow
er ON :
L
Error :
L
P
ow
er F
ail:
L
P
ow
er F
ail:
L
Stand-b
y :
L
Stand-by : L
Stand-by : L
Stand-b
y :
L
P
ow
er ON :
H
Q7891
IC651
PO
WER
OSC
.
PO
WER_ON
K6A
CN01
18V1
P
ow
er ON :
H
Q667
18V2
K7D
K8D
K7E
K8E
K7F
K8F
FAN1
FAN2
FAN3
TPFAN3
TPFAN2
TPFAN1
IC5856
●
Power supply circuit, Protection circuit and Fan control circuit
S5V
V
FR
O
-
5V
V
V1
IC
Q667
BR
DI
K6
THERMAL SW
FUSE
FILTER
K
●
Po
FN
ower
o
upply circuit, Protect on c rcu and
d Fan
uit
circ
671
SW
-b
y :
L
F
W
Sta
Po
V
2