Sony UP-D2550S Service Manual page 69

1 CLK3
CLK2
1
CLK0
1
1,3, 4 D_GND
1,3 D+5V
CN101
7P
C127 0.1
1 GND
CL6
2 5V
CL5 L101
3 ALARM_LED
CL4 L102
RIBBON_LED
4
L103
CL3
5 PAPER_LED
L104
CL2
6 PRINT_LED
CL1 L105
7 GND
L106
R182
,NM
C102 0.1
PDO
1
PDO23
CL46
INB 7
PDO22
CL45
INB 6
PDO21
CL44
INB 5
PDO20 CL43
INB 4
PDO19
CL42
INB 3
PDO18
CL41
INB 2
PDO17
CL40
INB 1
PDO16
CL39
INB 0
PDO15
CL38
ING 7
PDO14
CL37
ING 6
PDO13
CL36
ING 5
PDO12
CL35
ING 4
PDO11
CL34
ING 3
PDO10
CL33
ING 2
GND
PDO9
CL32
ING 1
PDO8
CL31
ING 0
PDO7
CL30
INR 7
PDO6
CL29
INR 6
PDO5
CL28
INR 5
PDO4
CL27
INR 4
PDO3
CL26
INR 3
PDO2
CL25
INR 2
PDO1
CL24
INR 1
PDO0
CL23
INR 0
1,3, 4 NCPURD RD
1,3, 4 WR
NCPUWR
CPUD7
D7
CPUD6
D6
CPUD5
D5
C101
0.1
1,3, 4 CPUD
1,3, 4
CPUA
C122 0.001
4
NCPCS
4 NRES
UP-D2550S (UC,CE)
A B
IF-762 (2/4)
R110
R111
10k
10k
C107 C108
47 0.1
16V
R188
,NM
R189
0
C111
C110
,NM
,NM
R190
,NM
CL85
SUB27
OUTB 7
CL84
SUB26
OUTB 6
CL83
SUB25
OUTB 5
CL82
SUB24
OUTB 4
CL81
SUB23
OUTB 3
CL80
SUB22
OUTB 2
CL79
SUB21
OUTB 1
GND
CL78
SUB20
OUTB 0
CL77
SUB17
OUTG 7
CL76
SUB16
OUTG 6
CL75
SUB15
OUTG 5
CL74
SUB14
OUTG 4
CL73
SUB13
OUTG 3
CL72
IC101 SUB12
OUTG 2
CXD8869Q
GND
CL71
SUB11
OUTG 1
CL70
SUB10
OUTG 0
CL69
MAIN7
OUTR 7
CL68
MAIN6
OUTR 6
CL67
MAIN5
OUTR 5
CL66
MAIN4
OUTR 4
GND
CL65
MAIN3
OUTR 3
CL64
MAIN2
OUTR 2
CL63
MAIN1
OUTR 1
CL62
MAIN0
OUTR 0
CS4
CS3
CS2
C106
0.1
10-3
C D
IF-762 (2/4)
IC105
MX23C4000MC-12-U P28S
A19 VCC
A18
A16
SUB27
A15 A17
SUB26
SUB24
A12 A14
SUB25
SUB17
A7 A13
SUB20
SUB16 PRD0
A6 A8
SUB21
SUB15 PRD1
A5 A9
SUB23
SUB14 PRD2
A4 A11
R191
SUB13 PRD3
,NM A3 OE
SUB22
SUB12 PRD4
A2 A10
SUB11 PRD5
A1 CE
CL116 SUB7
SUB10 PRD6
A0 D7
CL115 SUB6 PRD7
D0 D6
CL114 SUB5
D1 D5
CL113 SUB4
D2 D4
CL112 SUB3
VSS D3
SUB2
CL111
SUB1
CL110
CL109 SUB0
SUB4
SUB7
IC106
MX23C4000MC-12-U P28M
A19 VCC
A18
A16
A15 A17
SUB6
A12 A14
SUB5
MAIN7
A7 A13
MAIN6 SUB0
A6 A8
MAIN5 SUB1
A5 A9
MAIN4 SUB3
A4 A11
MAIN3
A3 OE
MAIN2 SUB2
A2 A10
MAIN1
A1 CE
MAIN0 PRD7
A0 D7
PRD0 PRD6
D0 D6
PRD1 PRD5
D1 D5
PRD2 PRD4
D2 D4
PRD3
VSS D3
10-3
E
R159 ,NM
MAIN0
R160 ,NM 8
MAIN1
7
MAIN2 R161 ,NM
6
R162 ,NM
MAIN3
5
R163 ,NM
MAIN4
R192 C126
0.1
0
4
MAIN5 R164 ,NM
R165 ,NM 3
MAIN6
2
R166 ,NM
MAIN7
1
IC109
SN74HC574ANSR
R179
,NM
OE VCC
R167 47
CL144
CL124 8
D0 Q0
R168 47
CL123 7 CL143
D1 Q1
CL122 R169 47 CL142
6
D2 Q2
R170 47 CL141
CL121 5
D3 Q3
R171 47 CL140
CL120 4
D4
Q4
R172 47
CL119 3 CL139
D5 Q5
CL118 R173 47 CL138
2
D6 Q6
R174 47 CL137
CL117 1
D7 Q7
CL136
GND CLK
PDCK
R175 47
CL135
R176 47 CL134
TP104
CL133
R177 47 CL132
CL131
R178 47
R156
10k
R157
10k
R158
10k
C125
47
16V
L108
L107
C109 0.1
R193
150
TPE102
GND
F G
1
2
CN102 14P
PRNT_D 0 1
PRNT_D 1
2
PRNT_D 2 3
PRNT_D 3 4
PRNT_D 4 5
PRNT_D 5
6
PRNT_D 6 7
PRNT_D 7 8
GND 9
PRNT_DCK
10
nPRNT_DREQ 11
GND 12
3
COLOR0 13
COLOR1
14
NPRNT_DREQ 4
4
COLOR0
COLOR1 4
CN103
2P
GND
1
5V
2
4
IF-762(2/4)
B-UPD2550S-IF762-SM
5
H