-129-
Troubleshooting
S6V
-6V
16V
FN908
DMD
COOLING
FAN5_ERR
FAN1_ERR
FAN2_ERR
FAN3_ERR
FAN4_ERR
FAN_SW_1
FAN_SW_2
K66E
K66A
K66B
K8A
FN905
CW
COOLING
K66D
FN906
LAMP
COOLING
K66F
FN904
LAMP
COOLING
K66M
FN907
BALLAST
COOLING
K66G
FN909
OPTICAL
COOLING
K66T
FN903
POWER
COOLING
K66H
K66J
FN901
EXHAUST
FN902
EXHAUST
THERMAL
SW
SW903
THERMAL
SW
SW904
LAMP
COVER SW
SW902
K66K
K66P
K66N
CN6
K66L
K8B
K66Q
K66R
Q2617
Q2603
Q2614
Q2600
Q2602
Q2605
IC2600
S6VKS
S6VNIOS
S-5V
12V
SS6V
6V_SW
S6V1
S6V2
S6VPW
S9.6V
15V_LNS
Q2609
FAN1
CTL
FAN2
CTL
FAN3
CTL
FAN4
CTL
FAN5
CTL
Q2610
Q2611
Q2612
Q2613
SS3.3V
8
6
14
13
2
3
4
5
19
17
49
50
41
42
19
20
27
28
5
6
33
34
45
46
37
38
15
16
11
12
1
2
23
24
10
5
7
1
2
9
49
50
41
42
19
20
27
28
5
6
33
34
45
46
37
38
15
16
11
12
1
2
23
24
7
9
8
6
14
13
2
3
4
5
19
17
12
12
18
18
7
9
4
1
2
1
7
7
6
6
P-F
AIL(CN4)
PFC_CN3
PFC_CN4
FAN_ERR4
FAN_ERR3
FAN_ERR2
FAN_ERR1
FAN_ERR5
FAN_DAC5_PW
FAN_DAC1_PW
FAN_DAC2_PW
FAN_DAC3_PW
FAN_DAC4_PW
10
10
BALLAST_AC1
11
11
BALLAST_AC2
PF
AIL_POWER
16
16
FAN_SW_1
15
15
FAN_SW_2
DC_ON
P-F
AIL(CN3)
2
4
12V
PFC1-2
MAIN
MAIN
POWER(DC)
POWER(AC)
Q2601
PFC12V
IC2601
FA7729
FAN
CONTROL
Q2604
DC_ON
Q2615
S6VFPGA
IC2604
PFC_ON
PFC_ON
ST_SW
IC5808
PFC_ON
ST_SW
Power-On
Stand-by
PFC_ON H
H
ST_SW L
L
DC_ON H
L
Power (DC)
If the Fan error occurs,
the error detection signal
(FAN_ERR) becomes Low.
Check that the power control signal
(DC_ON) is correct.
Power-On: H, Standby: L
DS+750 Service Manual
020-000211-01 Rev. 1 (06-2009)
Summary of Contents for DS+750
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