Epson TM-L90 series User Manual

Rev.B Appendix F-12
TM-L90 Service Manual
Confidential
Circuit Board Diagrams
Main Circuit Board (1 of 3) (Drawing Number 1)
Reserved
Reserved
Reserved
AD4
short(1)
short(5)
short(2)
short(3)
short(4)
short(6)
short(7)
short(8)
BLOCK(2)
BLOCK(3)
BLOCK(4)
BLOCK(5)
BLOCK(6)
AT41
A9
A8 AT13
A1
AT43
A11
D0
D1
D3
A10
A20
A3
A2
A0
A15
A13
A12
A14
A16
A18
A19
A17
nRESET
nNMI
A4
A7
A5
A6 AT10
AT18
D11
D8
AT51D9
D10
AT49
D5
D4
D6
D7
AT45
AT66D14
D15
D12
D13
A21
AT35
nFNTCE
nRAS2
nPGMCE
nWR
nLCAS
nHCAS
nRD
AC_1
AC_2
DKD2
AT79
DKD1
DSIO
DST1
DST2
DPCO
DCLK AT89
AT98
AT99
AT95
AT96
AT100
AT102
AT103
AT101
AT194
AT196
AT197
OFF_CTRL
SWV24AT191
AT189
nTIMO2
nTIMO1
nTIMI2
nTIMI1
SODAT1AT181
SICLK
SIDAT
SILAT
AT169
nSPDV24
nSERVHD
AT170
nRTCINT
AT173
MFS
RPM_PHB2AT140
AT139 RPM_PHB1
PTLED2
PTLED1
AT160 IJLP
IJDAT159
IJCLKOAT158
IJCLKEAT157
HRTSAT156
HRA3
HRLD
HRDATA
DADAT
DACLK
AT141
RRE
DKDS1
AT127 RCR_PHB1
RCR_PHA2AT126
RPF_PHB1
RPF_PHA1
AT119
RPF_PHB2
RPF_PHA2
HCTS
CTS
CLKIN/DTR
nCLK_REQ
EXT_RESAT105
N25_RES
AT107
AT61
AT57
AT131
AT70
AT132
D2
AT193
AT142
AC_RST
AT38
AT184
AT42
AT175 RTC_DAT
AT80
AT17
AT63
AT187
AT19
AT185
AT178
AT4
AT44
AT85
INK_CTRG
AT168
AT65
AT11
OSC3
AT86
SOCLK1AT182
AT15
AT53
AT81
AT12
HCLK2AT155
AT50
AD7
AT195 AT194 AT174 AT173
AT148
AT147
AT144
Xin
AT103
AT98 AT88 AT82
AT47
AT28
AT23
AT20
AT15
SVHD
AT178 AT167
AT129
AT126
AT115
AT94 AT92
AT29
AT2
AT5
ARRE
AT163 AT159
AT113
AT63
AT30
AT14
AT28
AT32nCE14
AT123
RNE
AT16
AT25
SV24
AT192 AT183
AT149
AT127
AT78 AT66
AT27
AT19
AT17
AT7
AT9
CR_HP
AT172
AT120
AT166
AT120
AT119
AT84 AT77 AT61 AT57
AT16
AT33
HRCLK
AT183 SOLAT1
AT186
AT170 AT158
AT91
AT48
AT41
AT35
AT18
AT8
AT37
AT165
AT167
CVS
AT179
AT39
AT122
INK_NE
AT67
AT177 AT161
AT132
AT123
AT105
AT100
AT99 AT64 AT58
AT37
AT34
AT10
AT4
AT106
DSR_RES
RXD
AT137 RPM_PHA1
AT58
AT78
AT47
AT184 AT157
AT118
AT111
AT79
OSC4
AT68
AT39
AT38
AT24
AT9
AT36
AT176 RTC_CE
AT125 RCR_PHA1
Xout
AT187 AT185
AT137
AT121
AT42
AT25
AT88
AT34
nULCE
AT179
AT150
Xout
AT87 AT81 AT76
AT51
AT46
AT26
AT7
AT11
AT129
AT174 RTC_CLK
AT64
AT6
AT59
AT87
Xin
AT186
AT176
AT165
AT155
AT141
AT131
AT128
AT102 AT101
AT95 AT67 AT62
AT48
AD6
AT181
AT156
AT143
AT140
AT130
AT116
AT107
AT192
AT163
AT20
AT143
HRA0
AT121
AT172
AT138
AT96 AT85 AT69
AT23
AD5
AT196 AT193
AT114
AT93 AT89 AT86
AT5
AT1
AT118
AT138
RPM_PHA2
AT144
AT177
STH
AT197 AT175 AT168
AT146
AT122
AT65
AT45
AT44
AT43
AT21
AT13
TXD
AT62
AT14
HRA2
AT21
RTS
AT27
AT169
AT152
AT142
AT134
AT112
AT109
AT108
AT106
AT80
AT50
AT49
AT36
AT32
AT24
AT26
AT84
AT189 AT182 AT160
AT154
AT151
AT139
AT125
AT59
AT33
AT8
AT6
DST0
AT164
DSWMEM
AT70
AT104
AT97
OSC3
AT53
AT191 AT190
AT71
DST2
DST1
DCLK
DST0
DSIO
DPCO
UIBSEL
AT112
AT111 DET
AT109
AT108
AT116
AT114
AT113
AT115
AT151
AT152
AT146
HCLK1AT154
AT147
AT148
AT150
AT93
AT94
AT91
AT92
nCE17
AT29
nCE15
AT30
OSC4
nOFF_TRG
AT69RINK_LED
RCR_PHB2AT128
AT166 CLS
IJREVAT161
AT52
BOARDTH
BOARDTH
AT75
AT195
AT73 AT54 AT83 AT90 AT56
PSW
AT130
AT1
AT2
AT31
AT149
HRA1
ROUT_LED
PWR_LED
RERR_LED
nWDTOUT
AT82
AT77
AT68
AT164
AT76
D02
D12
D22
D32
D42
D52
D62
D72
D82
D102
D92
D112
D122
D132
D142
D152
CLKIN/DTR 4
N25_RES 4
DSR_RES 4
RXD 4
DET 4
CTS 4
RNE 23
DKDS1 5
AC_RST 23
MFS 20
CVS 23
nSPDV24 20
SIDAT 20
nTIMI1 20
nTIMI2 20
HCTS 4
ARRE 23
nFNTCE2
nRAS22
nPGMCE2
nWR2
nLCAS2
nHCAS2
nRD2
RTS 4
nCLK_REQ 4
TXD 4
EXT_RES 20
RPF_PHA1 24
RPF_PHA2 24
RPF_PHB1 24
RPF_PHB2 24
DACLK 20
DADAT 20
HRDATA 22
HRCLK 22
HRLD 22
HRA0 22
HRA1 22
HRA2 22
HRA3 22
PTLED1 23
PTLED2 23
SWV24 20
OFF_CTRL 8
nTIMO1 20
nTIMO2 20
AC_16
AC_26
DKD15
DKD25
SILAT 20
SICLK 20
UIBSEL 4
nRESET3,20
nNMI20
SV24 20
STH 22
ALRE 23
DSWMEM 2
nOFF_TRG 8,20
A12
A22
A32
A42
A52
A62
A72
A82
A92
A102
A112
A122
A132
A142
A152
A162
A172
A182
A192
A202
A212
AT99
AT99
PSW 8
nWDTOUT20
RERR_LED20
PWR_LED20
ROUT_LED20
VBUS
VBUS
VBUS
VBUS
VIO
C30
12
R33 1 2
INT2
R69
1 2
R79
12
R38
12
R84
12
nCE17
ATPGIN
R78
12
R75
12
AD6
C22
12
INT3
R87
12
C40
12
C33
1 2
C505
12
nCE15
AD7
INT4
C35
12
C506
12
C13
1 2
ATPGCE
R68 12
R27
1 2
R26
1 2
C11
12
C37
1 2
DMAREQ1
INT5
C507
12
ADTRG
C16
1 2
LM501
2
3
4 5
6
7
81
INT6
DMAREQ0
EPSON Japan
E01M06AC
Aither
U4
nRESET
nNMI
VSS1
A0/nBSL
A1
VSS10
A2
A5
A6
A7
VDD1
A8
A4
A3
A9
A10
A11
A12
A13
A14
A15
A16
VSS2
A17
A18
A19
A20
A21
nCE4/nCE11
nCE9/nCE17
nCE5/nCE15
VDD2
nCE8/nCE14/nRAS3
nCE7/nCE13/nRAS2
nCE6
nCE10EX
nWRL/nWR/nWE/nLWE
nLCAS/nUWE
nHCAS/nLWE
nRD
VSS3
D0
D1
D2
D3
D4
VDD3
D5
D6
D7
D8
D9
VSS4
BCLK VDD4 VSS6 PLLC ICEMD PLLS1 PLLS0 VSS7 nX2SPD D10 D11 D12 D13 D14 D15 nBUSREQ/nCE6/P34 nBUSACK/P35 C33TEST VDD7 OSC3 VDD5 OSC4 VSS5 nDMAACK0/P32 nWAIT/nCE4&5/P30 nDMAACK2/SIN1/P04/INT4 nDMAEND2/SOUT1/P05/INT5 nDMAACK3/nSCLK1/P06/INT6 nDMAEND3/nSRDY1/P07/INT7 nDMAEND0/EXCL4/P15 VSSU6 DST0/T8UF0/EXCL0 DST1/T8UF1/EXCL1 DST2/T8UF2/EXCL2 DPCO/T8UF3/EXCL3 DCLK/FOSC1/P14 DSIO VSS8 SIN0/P00/INT0 SOUT0/P01/INT1 nSCLK0/P02/INT2 nSRDY0/P03/INT3 nDRD/P20/INT0 nDWE/nGAAS/P21/INT1 VDDU2 TM0/P22/INT2 TM1/P23/INT3 TM2/P24/INT4 TM3/P25/INT5 TM4/P26/INT6 TM5/P27/INT7 VDD9
IF_RESET
DSR_RESET
N25_RESET
TXD
RXD
VSSU1
I/F_DET
nCLK_REQ
CLKIN/DTR
RTS
CTS
HCTS
VDDU1
RPF_PHA1
RPF_PHA2
RPF_PHB1
RPF_PHB2
RPF_I0/SNSIN9
RPF_I1/SNSIN10
VSSU2
RCR_PHA1
RCR_PHA2
RCR_PHB1
RCR_PHB2
RCR_I0/SNSIN11
RCR_I1/SNSIN12
ATPGIN
ATPGCE
Xin
VDD8
Xout
VSSU7
RPM_PHA1
RPM_PHA2
RPM_PHB1
RPM_PHB2
RPM_I0/SNSIN13
RPM_I1/SNSIN14
DACLK
DADAT
VSSU3
HRDATA
HRCLK
HRLD
HRA0
HRA1
HRA2
HRA3
VDDU3
HCLK1
HCLK2
HRTS
IJCLKE
IJCLKO
IJD
IJLP
IJREV
VSSU4
SNSIN15 SNSIN16
SNSIN1 SNSIN2 SNSIN3 SNSIN4 SNSIN5 SNSIN6
VSSU5
SNSIN7 SNSIN8
RTC_CLK
RTC_DAT
RTC_CE
SIDAT
SICLK
SILAT
VDDU4
SODAT1
SOCLK1
SOLAT1
nTIMI1 nTIMI2
TIMO1 TIMO2
VDD6
nADTRG/K52/INT2
VDDU5
SW24V_1 SW24V_2 SW24V_3
nDMAREQ0/K50/INT0 nDMAREQ1/K51/INT1 nDMAREQ2/K53/INT3 nDMAREQ3/K54/INT4
VSS9
AD7/K67/INT7 AD6/K66/INT6 AD5/K65/INT5 AD4/K64/INT4
VDD10(AVDD)
AD3/K63/INT3 AD2/K62/INT2 AD1/K61/INT1 AD0/K60/INT0
RM11
1
2
3
4 5
6
7
8
C24
12
R70 1 2
INT7
C26
12
C15
12
U3
1
2
3
4 5
6
7
8
X1
X2
GND
SSW CLKOUT
VDD
FS1
SSON
R35 12
C20
12
nCE14
CN5
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
R32
12
R502
12
R51 1 2
L8
1 2
R22 1 2
R21
12
TH500
12
C21
12
BCLK
1
C503
12
C500
12
RM15
1
2
3
4 5
6
7
8
R71 1 2
C41
12
U6
1
2
3
4 5
6
7
8
X1
X2
GND
SSW CLKOUT
VDD
FS1
SSON
C31
12
R28 1 2
R36 12
R83
12
R76
12
C504
12
RM7
1
2
3
4 5
6
7
8
R37
12
C32
1 2
R81
1 2
R34 12
C39
1 2
L9
1 2
C36
12
RM16
1
2
3
45
6
7
8
R53 1 2
R72 1 2
R64 12
C12
1 2
RM9
1
2
3
4 5
6
7
8
RM4
1
2
3
45
6
7
8
R80
1 2
C19
12
C27
12
L11
1 2
X1
13
2
L4
12
C25
12
RM2
1
2
3
4 5
6
7
8
R39
12
R47 1 2
R50
12
R56 1 2
nULCE
RM10
1
2
3
4 5
6
7
8
R24 1 2
A0
R23 12
C34
1 2
R73 1 2
LM500
2
3
4 5
6
7
81
R58 1 2
U_RXD
RM3
1
2
3
45
6
7
8
C28
12
L501 12
RM8
1
2
3
4 5
6
7
8
ICEMD
R102 12
C10
12
C52
12
C29
12
U_TXD
R103 12
R60 1 2
L7
12
INT0
R65
12
L500 12
R74
1 2
C51
12
R25
1 2
C18
12
X2
13
2
R82
1 2
C42
12
C38
1 2
U_RTS
L6
1 2
C33TEST
R46 1 2
R62
1 2
L5
12
L10
1 2
RM1
1
2
3
4 5
6
7
8
R77
12
RM5
1
2
3
4 5
6
7
8
R29
12
R30 1 2
U_CTS
R85
12
C14
1 2
INT1
C23
12
RM6
1
2
3
4 5
6
7
8
R31 1 2
R48 1 2
R88
12
C17
1 2
AD5
R86
12
This number
shows the
drawing
number.

Epson TM-L90 series Specifications

General

Brand	Epson
Model	TM-L90 series
Category	Printer
Language	English