AR-D28/D27/MU2
DISASSEMBLY AND ASSEMBLY, MAINTENANCE
7 – 9
(2) AR-D27
A. MAJOR PARTS AND SIGNAL FUNCTIONS
DMM
DDRS
MCSPD
MCSPD
DSPD1
DSPD1
MCLUD
MCPED
DLUD1
DPED1
MCSS2
MCSS4
MCSS1
MCSS3
MCSS3
DPFD1
DPFD2
MCPWS
MCPWS
MCLUM
DLUM1
DLUM1
DLUM2
DLUM2
DPFCL
DPFCL
DPCL2
DPCL2
DPCL1
DPCL1
MCPCL
MCPCL
MPT LD PWB
DCSS12
DCSS12
DCSS14
DCSS11
DCSS13
DCSS13
PLS PWB1
PLS PWB1
DSPD2
DLUD2
DPED2
DPFD3
DCSS22
DCSS22
DCSS24
DCSS21
DCSS23
DCSS23
PLS PWB2
PLS PWB2
2nd Control PWB
+24V
1
2
MCLUM/
PHR-2
DMMCLK/
DMM/
GND1
+24V
DMM-T
1
2
3
4
5
PHR-5
1
2
2
1
SMP-02V-NC SMR-02V-N
2
1
2
1
SMP-02V-BC SMR-02V-B
8
11
SMP-11V-NC
2
6
1
5
9
3
SMR-11V-N
7
4
10
8
11
2
6
1
5
9
3
7
4
10
MCSPD
2
+5V
3
1
GND2
179228-3
GND2
1
N.C.
2
MCSS4
4
MCSS1
6
MCSS2
3
MCSS3
5
PHR-6
13
14
15
16
17
18
4
5
6
7
8
9
13
14
15
16
17
18
4
5
6
7
8
9
SMR-18V-B
SMP-18V-BC
MCLUD
GND2
+5V
+5V
DPFD1
GND2
1
2
3
3
1
2
179228-3
179228-3
+5V
GND2
DDRS
+5V
MCPED
GND2
1
2
3
1
2
3
179228-3
179228-3
SMP-03V-BC
1
1
3
SMR-03V-B
3
2
2
VAREF
2T MCPWS
1T MCPWS2
3T
CN-A
DPED2
DLUD2
4
PHR-9
7
S-GND
3
S-GND
VD(+5V)
VD(+5V)
5
9
6
VD(+5V)
8
1
S-GND
DPFD3
2
CN-B
N.C.
N.C
VB(DLUM2)
S-GND
DLUM2/
PHR-12
N.C
VD(+5V)
N.C.
N.C.
N.C
DSPD2
N.C.
12
1
2
4
3
5
6
7
8
9
10
11
CN-G
CN-H
2
1
DPCL1/
VB(+24V)
PHR-2-R(RED)
1
2
DPCL2/
VB(+24V)
PHR-2
CN-I
S-GND
DPED1
S-GND
VD(+5V)
2
3
VD(+5V)
6
DPFD2
VD(+5V)
5
9
7
1
4
S-GND
DLUD1
8
PHR-9-R(RED)
CN-D
VB(+24V)
13
F-GND
GND2(S-GND)
MCSS4
12
DPFCL/
GND1(P-GND)
4
MCSS2
17
20
VD(+5V)
18
1
DMM-T
16
14
3
9
7
MCSS1
VB(+24V)
11
MCSS3
VB(+24V)
MCSPD
MCPCL/
15
8
6
MCLUM/
DMM/
2
GND2(S-GND)
DMMCLK/
+24V(MCLUM)
5
19
10
PHDR-20VS-1
CN-E
MCPED
DDRS
N.C.
DPFD1
MCLUD
MCPWS2
3
13
5
12
VD(+5V)
4
GND2(S-GND)
1
9
6
7
15
16
11
14
10
2
8
VD(+5V)
GND2(S-GND)
GND2(S-GND)
VD(+5V)
VD(+5V)
GND2(S-GND)
VD(+5V)
MCPWS
PHDR-16VS-1
CN-J
N.C.
8
1
DSPD1
3
6
9
N.C
5
7
N.C
VB(DLUM1)
VD(+5V)
4
2
DLUM1/
S-GND
N.C
10
N.C.
PHR-10
CN-K
DCSS14
6
DCSS13
2
1
S-GND
5
DCSS12
3
4
DCSS15
DCSS11
PHR-6
CN-L
DCSS23
DCSS22
1
S-GND
DCSS24
5
DCSS21
6
3
4
2
DCSS25
PHR-6-R(RED)
17
13
16
5
15
6
16
18
6
14 14
4
18
SMP-18V-NC
15
17
13
5
SMR-18V-N
4
S-GND
3
2
1
DPFD3
VD(+5V)
179228-3
DPED2
3
179228-3
1
2
VD(+5V)
S-GND
3
VD(+5V)
DLUD2
S-GND
2
1
179228-3
2
2
1
1
SMP-02V-NC SMR-02V-N
2
2
1
1
SMP-02V-BC
SMR-02V-B
VD(+5V)
DLUD1
3
1
2
S-GND
179228-3
S-GND
2
3
DPED1
1
VD(+5V)
179228-3
179228-3
S-GND
2
3
DPFD2
1
VD(+5V)
4
5
6
13
14
15
16
17
18
4
5
6
13
14
15
16
17
18
SMP-18V-NC
SMR-18V-N
DSPD1
2
S-GND
1
2
1
VD(+5V)
3
179228-3
PHR-2
1
DCSS13
6
DCSS14
3
2
GND2
DCSS11
DCSS12
4
5
N.C.
PHR-6
DCSS23
5
DCSS24
DCSS21
2
4
6
DCSS22
GND2
1
3
N.C.
PHR-6-R(RED)
SRA-21T-4
2
2
1
S-GND
3
DSPD2
1
VD(+5V)
179228-3
PHR-2