Sharp MX-2300 G

MX-2300/2700 N/G LSU SECTION H – 1
MX2700N
Service Manual
[H] LSU SECTION
1. Electrical and mechanism relation diagram
CN11 B7P-PH-K-S
CN8 CN21
B4P-PH-K-R
S6B-XA B6B-XA
CN2 B12B-PHDSS-B
CN7 CN13
CN1 B34B-PHDSS-B
S20B-PHDSS-B B20B-PHDSS-B
CN9 CN14
S22B-PHDSS-B B22B-PHDSS-B
CN4 B6P-PH-K-S
PSM2P R
CN10
B5P-PH-K-S
1 4
/LSUSS_B
24V3
2
19 20 21 22
124V31 2
D-GND
ECLK_LSU_P
ECLK_LSU_N
17
/LSUSS_B
21 22 20 15 17 18 19
4
10
5
16
11 12 13 14 15 16
VSYNC_Y_N
1
20
3
CH0_N
CH0_P
D-GND
19
1 2
14 13
D-GND
CH0_N
D-GND D-GND
CLCLK_P
CH2_P CH3_P
CH3_N
D-GND
ECLK_LSU_P
ECLK_LSU_N
D-GND D-GND
HSYNC_LSU_P
HSYNC_LSU_N
D-GND
VSYNC_K_P
VSYNC_K_N VSYNC_C_P
VSYNC_C_N
6
D-GND
3.3V
D-GND
5VN
24V1
P-GND
1 2 3 4
24V1 5
5
P-GND 6
D-GND 3
5VN 4
D-GND 1
3.3V 2
12
9 2 3 4
LSU PWB
10 11
D-GND
CLCLK_N
CH2_N
20 19
CH1_N
CH1_P
9
5 6 7 8
6 7 8
CLCLK_P
CH3_N
CH3_P
D-GND
CH2_P
D-GND D-GND
CLCLK_N
D-GND
CH1_N
CH1_P
CH2_N
CH0_P
16 17 18
1
VSYNC_M_N
VSYNC_Y_P
VSYNC_M_P
VSYNC_Y_N
15 16 17 18 11 12 13 14
VSYNC_M_N
VSYNC_M_P
VSYNC_Y_P
2 3 4 5 6 7 8
VSYNC_K_N
VSYNC_K_P
VSYNC_C_P
VSYNC_C_N
n TRANS_DATA
D-GND
LSUASIC_RST
n RSV_DAT
JOBEND_INT
LSUTH1 LSUTH2
8 9
10 11
n TRANS_RST
9
10
4
13 14 15 12
5 6 7
LSUTH2
nRSV_DAT
n TRANS_RST
JOBEND_INT
LSUTH1
nSCK_LSU
n TRANS_DATA
D-GND
LSUASIC_RST
INT5V
D-GND
D-GND D-GND
1 2 3
D-GND
n SCK_LSU
INT5V
D-GND
6 5
11 12
LSUTH1
D-GND
LSUTH2
1 6
/START
P-GND
24V1
/BREAK
LDCHK_Y
nLDERR_Y
4 2
/START
P-GND
5 3
POLYCLK
/LOCK
D-GND
Vref_Y
24V1
/BREAK
6 1
POLYCLK
/LOCK
2 3 4 5
3 4
LSUTH1
D-GND
/SH_Y
/ENB_Y
DT_Y-
DT_Y+
LDCHK_M
n LDERR_M
D-GND
INT5V
DT_M-
DT_M+
D-GND
Vref_M
D-GND
INT5V
/SH_M
/ENB_M
D-GND
Vref_C
LDCHK_C
n LDERR_C
/SH_C
/ENB_C
DT_C-
DT_C+
26 32 34 33 29 31 30 28 22 21 27 25
18 16 14 20 15 13 17 19
2 8
10
9 5 7 6 4
4 3 2 1 8 7 6 5
D-GND
Vref_Y
LDCHK_Y
n LDERR_Y
/SH_Y
/ENB_Y
DT_Y-
DT_Y+
10
9
LDCHK_M
n LDERR_M
2 1
D-GND
INT5V
10
9 8 7 6 5 4 3
DT_M-
DT_M+
D-GND
Vref_M
D-GND
INT5V
/SH_M
/ENB_M
4 3 2 1 8 7 6 5
D-GND
Vref_C
LDCHK_C
n LDERR_C
/SH_C
/ENB_C
DT_C-
DT_C+
SK_K
n LDERR_K
D-GND
INT5V
10
9
3 1
D-GND
INT5V
1
0
9
D-GND
INT5V
/SH_K
/ENB_K
DT_K-
DT_K+
D-GND
Vref_K
2 1
3 1 5 7 6 4 2 8
SK_K
n LDERR_K
10
9 8 7 6 5 4 3
DT_K-
DT_K+
D-GND
Vref_K
D-GND
INT5V
/SH_K
/ENB_K
5VN
D-GND
nBD
D-GND
4 3 2 1
1 2 3 4
5VN
D-GND
nBD
D-GND
MOTHER PWB
PCU PWB
D-GND
18
HSYNC_LSU_N
HSYNC_LSU_P
D-GND
PGM
1
LSUSS
2
3
4
6
7
5
14
8
9
11
13
12
9
10
10
10
10
9