Sharp AR-M350N/M450N Service Manual page 31

Sharp laser printer service manual
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C
BR42
4
3
2
1
BR46
1
2
3
4
3.3V
BR45
4
5
3
6
3.3V
2
7
1
8
R135
4.7K
NO ASM
EEPWP
10
EEPCLK
EEPDATA
3.3V
R128
4.7K
R132
4.7K
NO ASM
R133
4.7K
R146
4.7K
R111
4.7K
R150
4.7K
NO ASM
R110
4.7K
NO ASM
R145
75
R144
R114
75
R115
C133
C109
0.1uF
0.01uF
2.5V
2.5V
C118
C113
0.1uF
0.1uF
C
IC19D
AB6
BOOTCS_
L26
DREQ3_
M24
AC7
DREQ2_
CODECS3_
5
M25
AD6
DREQ1_
CODECS2_
6
N23
AF5
DREQ0_
CODECS1_
7
AE5
CODECS0_
8
L24
DACK3_
L25
AF7
DACK2_
FONTCS7_
M22
AB9
DACK1_
FONTCS6_
M23
AD8
DACK0_
FONTCS5_
AC8
FONTCS4_
8
L22
AE7
DMA_TC3_
FONTCS3_
7
K25
AD7
DMA_TC2_
FONTCS2_
6
K26
AF6
DMA_TC1_
FONTCS1_
5
L23
AE6
DMA_TC0_
FONTCS0_
B20
SCLK
AE8
ADV_
C20
AC9
TXD1
BUFOE_
B21
AF8
RXD1
BUFDIR
AD9
ROMOE_
AE9
ROMWE_
A21
TXD0
D20
AF9
RXD0
ROMCLK
D19
TxRDY
C19
RxRDY
ROMCLK
E21
EECLK0
A22
EEDAT0
J25
LCS3_
J26
LCS2_
K23
LCS1_
K24
LCS0_
J24
ALE
H26
LWE_
B22
J23
EECLK1
LOE_
C21
EEDAT1
H25
WAIT_
3.3V
R63
E24
LDATA15
F23
LDATA14
4.7K
F22
LDATA13
G22
LDATA12
AD10
E25
TYPESEL1
LDATA11
E26
LDATA10
AC10
G23
TYPESEL0
LDATA9
F24
LDATA8
F25
LDATA7
F26
LDATA6
C18
G24
TESTMODE_
LDATA5
B18
H23
THR_MODE
LDATA4
A18
G25
SCANTEST
LDATA3
D17
J22
SCANEN
LDATA2
D23
H24
VSEL[1]
LDATA1
F5
G26
VSEL[0]
LDATA0
D22
VCOIN[1]
D2
VCOIN[0]
10K
D21
CPOUT[1]
10K
G5
CPOUT[0]
C22
E20
PLL_EN[1]
VFCLK
F4
PLL_EN[0]
D3
C24
PLL_TEST
PAGE_
E2
D25
PLL_RST
HSYNC_
D24
VDATAEN
E23
VDATA_
E3
PLL_VDD
B23
PLL_VDD
C127
C126
0.1uF
0.1uF
A20
JTCLK
B19
JTMS
A19
JTDO
E4
E18
PLL_GND
JTRST_
C23
D18
PLL_GND
JTDI
KS5M0U1347CBP
3.3V
R151
1K
JTDO
AR-M350U CIRCUIT DIAGRAM 9-13
D
BR17
8
1
7
2
6
3
5
4
ROMCLK
BR48
8
1
7
2
6
3
5
4
BR62
1
8
2
7
3
6
4
5
BR58
1
8
2
7
3
6
4
5
BR59
1
8
2
7
3
6
4
5
BR60
1
8
2
7
3
6
4
5
BR61
1
8
2
7
3
6
4
5
3.3V
R121
4.7K
JTDO_A
JTDI
1
JTMS
1
JTCLK
1
JTRST
1
D
E
BOOTCS
6,10
CODECS2
10
CODECS1
10
CODECS0
10
FONTCS7
10
FONTCS6
10
FONTCS5
10
FONTCS4
10
FONTCS3
10
FONTCS2
10
FONTCS1
10
FONTCS0
12
3.3V
ROMBUFOE
6
ROMBUFDIR
6
R62
R61
ROMOE
8,10,12
ROMWE
6,10,12
10K
10K
LCS0
10
LCS1
10
LCS2
10
ALE
6
LWE
10
LOE
6,10
WAIT
11
3_LDATA[15:0] 6
3_LDATA15
3_LDATA14
3_LDATA13
3_LDATA12
3_LDATA11
3_LDATA10
3_LDATA9
3_LDATA8
3_LDATA7
3_LDATA6
3_LDATA5
3_LDATA4
3_LDATA3
3_LDATA2
3_LDATA1
3_LDATA0
1
E
5
4
3
2
1

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