TSC TDP 248M, Руководство по обслуживанию

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10
TTP-248M/2410M Bar Code Printer
Service Manua
l
3. CIRCUIT DESCRIPTION
3.1 MCU
VCC
X1
16MHz
C1
15pF
C2
15pF
GND
C3
470p
C4
470p
B
y
p
a
s
s
C
a
p
a
c
i
t
o
r
l
i
s
t
GND
VCC
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
VCCL
L1
0
L2
0
L3
0
EN_MB
INB_R
INA_R
EN_MA
EN_CUTTER
PHASE
/BK
CTSENS
/INB_R
/INA_R
MOTER_C
PEEL_SENS
MOTOR
MOTOR.SCH
EN_MB
INB_R
INA_R
EN_MA
EN_CUTTER
PHASE
/BK
CTSENS
/INB_R
/INA_R
MOTER_C
PEEL_SENS
KEY1
KEY2
KEY3
B1
BUZZER
R10
10K
R11
1K
TH_SENS
HEAD_SENS
CASE_SENS
PEEL_SENS
REND_SENS
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
VDD
R17
10K
LCD_D0
LCD_D1
LCD_D2
LCD_D3
LCD_D4
LCD_D5
LCD_D6
LCD_D7
LCD_CS2
LCD_CS1
LCD_W/R
GND
GND DIGITAL GND
SELECT
PE
ERROR
/Wait
/DStrb
/Init
/AStrb
VDD R18
10K
R56 100
C5
220p
VDD
VDD
D0
D1
D2
D3
D4
D5
D6
D7
/Write
Intr
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
D0
D1
D2
D3
D4
D5
D6
D7
A20
A21
A22
A23
VCC
/Wait
/DStrb
D0
D1
D2
D3
D4
D5
D6
D7
/Write
Intr
/Init
/AStrb
D[0..31] A[0..25]
CKE
CLK
/RAS3L
/CAS
/WE
/WE0/DQMLL
DQMLU
SDRAM
ROM1
ROM2
/RESET
/RD
ROM3
ROM4
CS0
CS2
CS3
SCK
SDI
SDO
CSI
DQMUL
DQMUU
MEMORY
MEMORY.SCH
D[0..31] A[0..25]
CKE
CLK
/RAS3L
/CAS
/WE
/WE0/DQMLL
DQMLU
SDRAM
ROM1
ROM2
/RESET
/RD
ROM3
ROM4
CS0
CS2
CS3
SCK
SDI
SDO
CSI
DQMUL
DQMUU
/RESET
CLK
CTSENS
LED1
LED2
LED3
/DStrb_I
Intr_I
/Init_I
/AStrb_I
1
2
3
4
5
6
JP1
JTAG
GND
VCC
DI3
DI1
DI2
DI4
CLK
/LAT
TM
STB1
STB2
STB3
STB4
Vdet
/RESET_PH
PRINTHEAD
PRINT.SCH
DI3
DI1
DI2
DI4
CLK
/LAT
TM
STB1
STB2
STB3
STB4
Vdet
/RESET_PH
PH_I
/RESET
CLK
STB1_I
STB2_I
STB3_I
STB4_I
VCC
GND
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
VCC
16
GND
15
U31
SP3232E
C9
0.1u
C10
0.1u
VCC
C11
0.1u
C17
0.1u
GND
GND
L7
BEAD 300
L8
BEAD 300
L9
BEAD 300
L10
BEAD 300
C12
0.1u GND
F1
1A
TX
RX
DSR
RDY
GND
TM
Vdet
TM Vdet
GND
1
2
3
4
JP2
RNE_END
RTC_O
RTC_O
X2
32.768kHz
C18
22pF
C19
22pF
GND
GND
VCC
VCC
5
9
4
8
3
7
2
6
1
JP3
DB9_1
/LAT_P
CTSENS
R57
100
R58
100
R59
820
/RESET
D[0..31]
VCC
GAP_SENSER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38 JP4
CENTRONIC
TTP-2410_MAIN
VDD
AVSS
CS0
CS2
CS3
CS0
CS2
CS3
SCK
SDI
SDO
SCK
SDI
SDO
VCC
1
RxD
2
TxD
3
GND
4
D+
5
D-
6
R-
7
R+
8
U32
LTC490
GND
VCC
R80
120
R81
120
INDUCTOR1
L13
INDUCTOR1
L14
INDUCTOR1
L15
INDUCTOR1
VCC CSI
CSI
R19
10K
P_INT
POWER power.sch
P_INT
1 2
U3A
74HC14
3 4
U3B
74HC14
5 6
U3C
74HC14
R20
10K R21
10K R22
10K
VCC
AVCC
AVSS
AVSS
GND
L4
0
DIGITAL GND
C20
0.01uF
BC1
10uF
R60
100 R61
100
D2
1N4148
D3
1N4148
D4
1N4148
D5
1N4148
C23
0.1uF
C24
0.1uF
AVCC VCC
L5
0
AVCC AVCC
AVSS AVSS
R12
1K R13
1K
R62
100
D6
1N4148
D7
1N4148
C25
0.1uF
AVCC
AVSS
R14
1K
3
2
1
4
11
U5A
LM324
R63
100
GND
VDD
GND 8 9
U3D
74HC14
10 11
U3E
74HC14
BM_SEN
1
2
JP5
2PIN
MA
MB
R23
1.5K R24
1.5K
VDD
GND
VCC
R64
100
R25
10K
12 13
U3F
74HC14
5
6
7
U5B
LM324
R65
100
GAP_E
BM_E
R26
10K
R27
4.7K
ME
BC2
0.1uF
BC3
0.1uF BC4
0.1uF BC5
0.1uF BC6
0.1uF BC7
0.1uF BC8
0.1uF BC9
0.1uF BC10
0.1uF
BC11
0.1uF BC12
0.1uF BC13
0.1uF BC14
0.1uF BC15
0.1uF
BC16
0.1uF
BC17
0.1uF BC18
0.1uF BC19
0.1uF BC20
0.1uF BC21
0.1uF BC22
0.1uF BC23
0.1uF BC24
0.1uF BC25
0.1uF
BC26
0.1uF BC27
0.1uF BC28
0.1uF C26
0.1uF
VCC
BC29
0.1uF
BC30
0.1uF BC31
0.1uF BC32
0.1uF
VCC
VCC
VCC
GND
R28
10K
1 2
U6A 74HCT14
Q3
2SC2411K
R29
10K
VDD
1
2
JP9
NMI GND
R30
10K
VCC
SW1
SW-PB
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
VCC
VDD
VDD
P21
P22
VCC1VCC2
VCC3
R66
100
R67
100
3 4
U6B 74HCT14
5 6
U6C
74HCT14
8 9
U6D
74HCT14
PE
SELECT
ERROR
ERROR
SELECT
PE
VCCIO
1
GTS3
2
GTS4
3
4
GTS1
5
GTS2
6
7
VCCINT
8
9
10
11
12
13
14
15
16
17
GND
18
19
20 21 22 23 24
25
26
27
28
GND
29
GCK1
30
31
GCK2
32
33
34
35
GND
36
VCCIO
37
GCK3
38 39
40
41
VCCINT
42
43
44
45
46
GND
47
48
49
50
51
52
53
54
VCCIO
55
56
57
58
59
60
61
GND
62
TDI
63
64
TMS
65
66
TCK
67
68
69
70
71
GND
72
VCCIO
73
74
75 76
77
78
79
80
81
82
83
VCCINT
84
85
86
87
88
GND
89
GND
90
91
92
93
94
95
96
97
98
GND
99
100
101
102
103
104
105
106
107
GND
108
VCCIO
109
110
111
112
113
GND
114
115
116
117
118
119
120
121
TDO
122
GND
123
124
125
126
VCCIO
127
128
129
130
131
132
133
134
135
136
137
138
139
140
VCCINT
141
142
GSR
143
GND
144
U2
XC95144XL
R31
10K
R32
10K
10 11
U6E 74HCT14
R33
10K R34
10K R82
4.7K
C39
1u
VDD
GND
LCD_D/I
LCD_E
R35
10K R36
10K
VDD
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
JP10
PANL
R37
1K
VDD
R68
100
GND
LCD_BL
KEY1
KEY2 KEY3
LED1 LED2
LED3
YELLOW
RED
Q1
HSC945
12 13
U6F
74HCT14
PH_I
/LAT_P
1
2
JP11
BUZZER
RB
RA
Q4
HSC945
R38
10K
R69
100
Q5
HSC945
R39
10K
R70
100
VDD
R_END1
R_END2
R_END3
R_END0
MOTER_E
MOTER_C
RED
YELLOW
HEAD_SENS
CASE_SENS
REND_SENS
R_END
SENSOR
SENSOR.SCH
HEAD_SENS
CASE_SENS
REND_SENS
R_END
HEAD_SENS
CASE_SENS
1 2
U9A
74LS05
3 4
U9B
74LS05
5 6
U9C
74LS05
8 9
U9D
74LS05
R84
3.3K
R85
1.8K
R86
910
R87
430
R_END
R_END
REND_SENS
PEEL_SENS
A0
53
A1
54
A2
55
A3
56
A4
58
A5
60
A6
61
A7
62
A8
63
A9
64
A10
65
A11
66
A12
67
A13
68
A14
70
A15
72
A16
73
A17
74
A18
75
A19
76
A20
77
A21
78
A22
80
A23
82
A24
84
A25
86
VccQ
59
VccQ
71
VccQ
85
VccQ
97
VccQ
111
VccQ
163
VccQ
183
VssQ
57
VssQ
69
VssQ
83
VssQ
95
VssQ
109
VssQ
161
VssQ
181
Vss
79
Vss
27
Vss
132
Vss
152
Vss
153
Vss
173
VssQ
19
VssQ
33
VssQ
45
VccQ
47
VccQ
35
VccQ
21
Vcc
175
Vcc
154
Vcc
134
Vcc
81
Vcc
29
D0
52
D1
51
D2
50
D3
49
D4
48
D5
46
D6
44
D7
43
D8
42
D9
41
D10
40
D11
39
D12
38
D13
37
D14
36
D15
34
PTB7/D31
13
PTB6/D30
14
PTB5/D29
15
PTB4/D28
16
PTB3/D27
17
PTB2/D26
18
PTB1/D25
20
PTB0/D24
22
PTA7/D23
23
PTA6/D22
24
PTA5/D21
25
PTA4/D20
26
PTA3/D19
28
PTA2/D18
30
PTA1/D17
31
PTA0/D16
32
/MCS7/PINT7/PTC7
177
/MCS6/PINT6/PTC6
178
/MCS5/PINT5/PTC5
179
/MCS4/PINT4/PTC4
180
/MCS3/PINT3/PTC3
185
/MCS2/PINT2/PTC2
186
/MCS1/PINT1/PTC1
187
/MCS0/PINT0/PTC0
188
TxD0/SCPT0
164
SCK0/SCPT1
165
TxD1/SCPT2
166
SCK1/SCPT3
167
TxD2/SCPT4
168
SCK2/SCPT5
169
RTS2/SCPT6
170
RxD0/SCPT0
171
RxD1/SCPT2
172
RxD2/SCPT4
174
CTS2/IRQ5/SCPT7
176
XTAL
155
EXTAL
156
XTAL2
4
EXTAL2
5
Vss-RTC
6
Vcc-RTC
3
AVcc
205
AVss
208
Vss-PLL1
147
Vss-PLL2
148
Vcc-PLL1
145
Vcc-PLL2
150
AN0/PTL0
199
AN1/PTL1
200
AN2/PTL2
201
AN3/PTL3
202
AN4/PTL4
203
AN5/PTL5
204
DA1/AN6/PTL6
206
DA0/AN7/PTL7
207
MD1
1
MD2
2
MD3
195
MD4
196
MD5
197
AVss
198
MD0
144
CAP1
146
CAP2
149
CKIO
162
CA
194
/RAS3L/PTJ0
106
/RAS2L/PTJ1
107
/CASLL/CAS/PTJ2
108
/CASU/CASLH/PTJ3
110
/CASHL/PTJ4
112
/CASHH/PTJ5
113
STATUS0/PTJ6
157
STATUS1/PTJ7
158
TDO/PTE0
120
/CAS2L/PTE6
116
/CAS2H/PTE3
117
/RAS3U/PTE2
118
/CAS2U/PTE1
119
/CE2A/PTE4
103
/CE2B/PTE5
104
PTE7
94
/RESETM
124
/RESETP
193
PTG0/AUTADA0
135
PTG1/AUTADA1
133
PTG2/AUTADA2
131
PTG3/AUTADA3
130
PTG4
129
/ASEBRKAK/PTG5
128
/ASMDO/PTG6
127
IOIS16/PTG7
126
/WAIT
123
/BACK
121
/BREQ
122
/IRQOUT
160
DRAK1/PTD0
190
DRAK0/PTD1
189
RESTOUT/PTD2
184
WAKEUP/PTD3
182
/DREQ0/PTD4
191
/DREQ1/PTD6
192
/DACK0/PTD5
114
/DACK1/PTD7
115
/RD
88
/WE0/DQMLL
89
/WE1/DQMLU//WE
90
/WE2/DQMUL//ICIORD/PTK6
91
/WE3/DQMUU//ICIOWR/PTK7
92
/WR/RD
93
/CS0/MCS0
96
/CS2/PTK0
98
/CS3/PTK1
99
/CS4/PTK2
100
/CS5//CE1A/PTK3
101
/BS/PTK4
87
CKE/PTK5
105
NMI
7
/CS6//CE1B
102
PTF7/PINT15
136
TRST/PTF6/PINT14
137
TRST/PTF5/PINT13
138
TRST/PTF4/PINT12
139
PTF3/PINT11
140
/IRLS2/PTF2/PINT10
141
/IRLS1/PTF1/PINT9
142
/IRLS0/PTF0/PINT8
143
/IRLO/IRQ0/PTH0
8
/IRL1/IRQ1/PTH1
9
/IRL2/IRQ2/PTH2
10
/IRL3/IRQ3/PTH3
11
IRQ4/PTH4
12
ADTRG/PTH5
125
PTH6
151
TCLK/PTH7
159
SH7709A
U1
SH-7709A
RB
RA
BUZZER
R40
10K
VCC
R71
100
BUZZER_O
BUZZER_O
BUZZER
DQMUL
DQMUL
DQMUU
DQMUU
BK
BK
VMM
R41
10K
VCC
VDD
AGND
AGND
LCD_D0
LCD_D1 LCD_D2
LCD_D3 LCD_D4
LCD_D5 LCD_D6
LCD_D7 LCD_CS1
LCD_CS2 LCD_/RES
LCD_R/W LCD_D/I
LCD_E BACKLIGHT
R Y
10
9
8
U5C
LM324
R126
100
MOTER_C
B_IN1
B_IN2
B_IN3
B_OUT1
B_OUT2
B_OUT1
B_OUT2
B_IN1
B_IN2
B_IN3
AD1
AD2
BK_IO
BK_IO.SCH
B_OUT1
B_OUT2
B_IN1
B_IN2
B_IN3
AD1
AD2
B_OUT1
B_OUT2
B_IN1
B_IN2
B_IN3
CKE
/WE
/RD
DQMLL
DQMLU
/CAS
/RAS3L
A24
A25
/RST
1
GND
2
VCC3
3
VCC5
4
VCCA
5
U10
LTC1728
VCC
VDD
VCCL
R2
3.4K
R3
3.0K
GND
PR12
10K
PC4 220p PC1 220p PC2 220p PC3 220p
PR1 10K PR2 10K PR3 10K PR4 10K
PR5
10K
PR6 10K PR7 10K PR8 10K
PR9
10K PR10 10K
PR11
10K
PR14
10K
PR15
10K
PR16
10K
PR17
10K
PR18
10K
PR19
10K
PR20
10K
PR21
10K
PR22 100
PR23 100
PR24 100
PR25 100
ROM1
R130
10K
C77
0.1uF
C78
0.1uF
GND GND
VCC
VMM
U
9
-
-
>
V
AD1
AD2
AD1
AD2
10 11
U4E
74HC14
12 13
U4F
74HC14
10 11
U9E
74LS05
12 13
U9F
74LS05
VCC
GND
1
2
JP27
2PIN
R95
10K
L24
BEAD 0805 NB 220
1
2
JP28
2PIN
PE_I
SELECT_I
ERROR_I
PE_I
SELECT_I
ERROR_I
VDD
GND
GND
Q14
HSC945
Q15
HSC945
1
2
3
4
5
6
7
JP12
GAP_
R137
100
TXD
TXD
L31
0
L30
0
R138
100
R139
100
R140
100
C82
0.1u
C83
0.1u
C84
0.1u
GND
Fig. 3.1 MCU Circuit Diagram
The mainboard of TTP-248M/2410M includes seven system blocks:
A. Memory System (decoder & memory block)
B. Motor System (stepping motor, DC motor and cutter block)
C. Print Head System
D. Communication System (serial & parallel port block)
E. Power System
F. Sensor System
G. LCD Display System