-23-
D1
D2
D3
D4
D5
D6
D7
ADDRESS2(I/O EXPAND)
ADDRESS1(I/O EXPAND)
ADDRESS0(I/O EXPAND)
140
139
125
110
101
91
90
89
88
86
84
83
30
29
9
8
7
5
2
IC801
IC1801
20
51
52
53
54
55
56
57
A2CPU
A1CPU
A0CPU
D1CPU
D2CPU
D3CPU
D4CPU
D5CPU
D6CPU
D7CPU
D0CPU
D1
D0
D2
D3
D4
D5
D7
D6
35
36
37
38
39
40
41
42
43
44
45
K8B
3
4
7
8
9
10
BLAST_SW1
BLAST_SW2
LAMP1
LAMP2
LAMP4
LAMP3
P_F
A
IL
5
B
ALLAST_SW3
1
1
2
3
4
K8R
K8Q
K8S
B
ALLAST_SW4
2
5
6
9
IC1826
9
IC1822
50
D0-D7CPU
D0-D7CPU
P_F
A
IL
29
30
D0 92
FAN-CS1
POWER-ON
FAN-ON
IICSCL
IICSDA
SCLK
SD
A
T
A
F
AN-CS2
LAMP3
LAMP4
LAMP2
LAMP1
BALLAST-SW2
BALLAST-SW1
BALLAST-SW3
BALLAST-SW4
FAN-CS3
P-F
A
IL
K7A2
K7A1
K7A4
K7A3
CN2B
X
K7B3
CN3B
CN4B
CN1B
K7B4
K7C4
K7C3
FN914
CN5B
CN5A
FN913
K7C1
K7C2
K7B2
CN1A
CN4A
K7B1
CN2A
CN3A
COOLING FAN FOR PFC
COOLING FAN FOR PFC
K96E
K96F
5
1
3
1
1
3
LAMP2_ERR
LAMP1_ERR
LAMP2
LAMP1
K96D
K96A
3
4
5
7
8
9
10
11
27
28
29
30
30 29
28 27
12 11
10
9
7
5
4
3
P_FAIL
BLACK
BLAST_SW1
BLAST_SW2
P_FAIL
11
LAMP2_ERR
LAMP1_ERR
LAMP3_ERR
LAMP4_ERR
3
From K6C
From K6B
RL12V
S5V
RL12V
ASSY LAMP NET
TO_MAIN_K8Q
TO_MAIN_K8R
TO_MAIN_K8S
Ballast_SW1
LAMP1_ERR
Ballast_SW2
LAMP2_ERR
LAMP2
LAMP1
Ballast_SW3
LAMP3_ERR
Ballast_SW4
LAMP4_ERR
P_FAIL
RL12V
LAMP4
LAMP3
LAMP1
LAMP2
LAMP4
LAMP3
Ballast 1
Ballast 3
Ballast 4
Ballast 2
PFC 3-4
PFC 1-2
HOT
1
3
LAMP3_ERR
LAMP4_ERR
LAMP1_ERR
LAMP2_ERR
I/O EXPANDER
RL12V
RL12V
FAN_CS3
FAN_ON
SCLK
3
5
7
10
15
17
19
K8C
9
SDATA
FAN_CS2
P_FAIL
POWER-SW
T
O
:SUBPO
WER K66C
RL12V
ASSY_MAIN
CPU
LAMP
MONITOR
Check fan on/off signal.
Check PFC circuit
on/off signals.
Check lamp ballast on/off signals.
Check
power
on/off
signal.
Check lamp monitor signals.
Check +B(RL-12)
for PFC circuit.
* Check lamp ballast
on/off signals.
* Check lamp monitor
signals.
* Check PFC circuit
on/off signals.