Sony UP-D2550S Service Manual page 70

1
CN205
1 GND DB0
2 GND DB1
3 GND DB2
GND DB3
4
5 GND DB4
6 GND DB5
7 GND DB6
GND DB7
8
9 GND DBP
10 GND GND
11 GND GND
RSV RSV
12
13 N.C. TERM POWER
14 GND GND
2
GND GND
15
ATN
16 GND
17 GND GND
18 GND BSY
GND ACK
19
20 GND RST
21 GND MSG
22 GND SEL
GND C/D
23
24 GND REQ
25 GND I/O
CN206
GND DB0
1
2 GND DB1
3 GND DB2
4 GND DB3
GND DB4
5
6 GND DB5
3
7 GND DB6
8 GND DB7
GND DBP
9
10 GND GND
11 GND GND
12 RSV RSV
N.C. TERM POWER
13
14 GND GND
15 GND GND
16 GND ATN
GND GND
17
18 GND BSY
19 GND ACK
20 GND RST
GND MSG
21
22 GND SEL
23 GND C/D
GND REQ
24
I/O
25 GND
4
LND201
SHIELD CASE
LND202
SHIELD CASE
LND203
SHIELD CASE
LND204
SHIELD CASE
5
LND205
SHIELD CASE
LND206
SHIELD CASE
CHASSIS GND
A B
DB0
26
DB1
27
DB2
28
DB3
29
DB4
30
IC205
DB5
31
BH9595FP-Y-E2
DB6
32
DB7 1
33 NC
DBP 2
34 EN
SEL 3
35 LINE15
C/D 4
36
LINE16
REQ 5
37 LINE17
CL191
I/O 6
38 LINE18
7
F201
39 GND
2A
DB0 8
40 LINE1
TH201
ATN DB1 9
41 ,NM LINE2
DB2 10
42 LINE3
BSY DB3 11
43
LINE4
ACK DB4
12
44 LINE5
RST
45
MSG 13
46 VDD1
SEL
47
C/D
48
REQ
49
I/O
50
CL149 DB0
26
CL150 DB1
27
C202
CL151 DB2
0.1
28
CL152 DB3
29
CL153 DB4
30
CL154 DB5
31
CL155 DB6
32
CL156 DB7
33
CL157 DBP
34
35
36
37
R212
38 R211 S208
R210
10k
10k
10k
39
R209
CL192
2
100k
40
CL158 CL193 4
ATN
41
CL194 6
42
CL195 8
CL159 BSY
43
CL160 ACK
44
RST
CL161
45
CL186 MSG
46
CL187 SEL
47
CL188 C/D
48
SCSI_ID
CL189 REQ
49
CL190 I/O
50
C207
1000p
1
DMDB
C
IF-762 (3/4) IF-762 (3/4)
27
GND
26
GND
25
TSD
24
R242
VM
C229 10k
23 MSG 47
LINE14
16V
22 RST
R243
LINE13
,NM
21 ACK
LINE12
20 BSY
LINE11
25 24 23 22 21 20 19 18
19 ATN
LINE10
18 DBP R213
LINE9
10k
17 DB7 26
LINE8 IOWR
DB6 IORD CL162 27
16
LINE7 IORD
28
15 DB5
LINE6 VDD
14 29
VDD1 VSS
30
R214
DMA0
10k
31
LDMDP
CL163 32
DMD0
DMD0
CL164
DMD1 33
DMD1
CL165
DMD2 34
DMD2
DMD3 CL166 35
DMD3
D202
CL167 36
C203 RB160L-40-TE25 DMD4
DMD4
2.2
CL168
16V DMD5 37
DMD5
DMD6 CL196 38
DMD6
DMD7 CL197 39
DMD7
C211 0.1 40
VSS
R215 10k 41
DMD8
R216 10k
42
DMD9
R217 10k 43
DMD10
R218 10k 44
DMD11
R220 10k
45
DMD12
R221 10k 46
DMD13
R222 10k 47
DMD14
R223 10k 48
DMD15
R224 10k
1 49
TERMINATOR UDMDP
3 50
SCSI ID4
DMBHE
5
SCSI ID2
7
SCSI ID1
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
R226
CL198
,NM
R227
10k
2
TP201 TP202
SDACK SDREQ
10-4 10-4
D E
IC206
SN74HC04ANSR
1 14
2 13
3 12
4 11
5 10
6 9
7 8
SPC_INT
C228
0.1
C129
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0.001
100
BHE
99 R241 10k
UDP
98 R240 10k
D15
R238 10k
97
D14
R237 10k
96
D13
95 R236 10k
D12
R235 10k
94
D11
R234 10k
93
D10
R233 10k
92
D9
91 R232 10k
D8
90
VSS
89 C212 0.1 CPUD7
IC209 D7
MB86604L 88 CPUD6
D6
87 CPUD5
D5
CPUD4
86
D4
85 CPUD3
D3
84 CPUD2
D2
83 CPUD1
D1 D1
82 CPUD0
D0 D0
R230 10k
81
LDP
80
CS1
79 R229
VSS
10k
78
VDD
CL208
77
CS0
76 CPUA4
A4
C224
0.1
GND
C232
R302 C231
47
0.1
10k
16V
TPE201
F
TP203
NSPC_INT
4
CLK 1,4
1,4
MEMRES
NCPURD 1,2,4
NCPUWR 1,2,4
1,2,4
CPUD
NSPC_CS 4
CPUA 1,2,4
D+5V 1,2
1,2,4
D_GND
CN203 TO_POWER
L202 CL239
L201
D+5V 5
D+5V
4
C233 C234 CL238
0.1
47
D_GND 3
16V CL237
D_GND 2
CL236
P_COOLING 1
R318
47
CHASSIS GND
P_COOLING 4
IF-762(3/4)
B-UPD2550S-IF762-SM
UP-D2550S (UC,CE)
G H