Inter-m SC-624, Service Manual

Page: 19 / 24

17
SCHEMATIC DIAGRAM
POWER SW B'D
SC-624 POWER LED B'D
SC-624 FRONT B'D
SC-624 SW1 B'D
SC-624 SW2 B'D
INPUT B'D
1 2 3 4 5 6
CN10 3 LA5 268- 06P
R291
4.7K
LD_PWR
BLU
1
2
AN102B
ASS'Y- 02P
1
2
3
AN102A
ASS'Y- 03P
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U201
74HC 595D
CH1
GRN
R201
470
CH2
GRN
CH3
GRN
CH4
GRN
CH5
GRN
CH6
GRN
CH7
GRN
CH8
GRN
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U202
74HC 595D
CH9
GRN
CH10
GRN
CH11
GRN
CH12
GRN
CH13
GRN
CH14
GRN
CH15
GRN
CH16
GRN
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U203
74HC 595D
CH17
GRN
CH18
GRN
CH19
GRN
CH20
GRN
CH21
GRN
CH22
GRN
CH23
GRN
CH24
GRN
1
2
3
4
5
6
7
8
9
10
AN101
ASS'Y- 10P
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U204
74HC595D
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U205
74HC595D
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U206
74HC595D
R101
470
1 2 3 4 5 6
AN103 ASS'Y- 06P
R202
470
R203
470
R204
470
R205
470
R206
470
R207
470
R208
470
R209
470
R210
470
R211
470
R212
470
R213
470
R214
470
R215
470
R216
470
R217
470
R218
470
R219
470
R220
470
R221
470
R222
470
R223
470
R224
470
R225
470 RED
CH101- A
GRN
CH101- B
R249
470
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U207
74HC 595D
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U208
74HC 595D
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U209
74HC 595D
C20 7
0.1U
C20 8
0.1U
C20 9
0.1U
C20 4
0.1U
C20 5
0.1U
C20 6
0.1U
C20 1
0.1U
C20 2
0.1U
C20 3
0.1U
R292
4.7K
R293
4.7K
R294
4.7K
1 2
3 4
SW201
CONFIRM
1 2
3 4
SW202
TEST/START
1 2
3 4
SW203
BUZZER 1 2
3 4
SW204
AUTO CHECKER
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
8
GND
9
Q7
10
MR
11
SH_C P
12
ST_C P
13
OE
14
DS
15
Q0
16
VCC
U210
74HC 595D
C21 0
0.1U
LD201
BLU
LD202
BLU
LD203 BLU LD204
BLU
R298 470 R295 470 R296 470 R297 470
c.w
VR4
20KA
1 2 3 4 5 6
AN104 ASS'Y- 06P
1 2 3 4 5 6
CN10 4 LA5268- 06P
R226
470 GRN
CH102- B
R227
470
GRN
CH103- B
R228
470
GRN
CH104- B
R229
470 GRN
CH105- B
R230
470
GRN
CH106- B
R231
470
GRN
CH107- B
R232
470
GRN
CH108- B
R233
470
GRN
CH109- B
R234
470 GRN
CH11 0-B
R235
470
GRN
CH111- B
R236
470
GRN
CH11 2-B
R237
470
GRN
CH11 3-B
R238
470 GRN
CH11 4-B
R239
470
GRN
CH11 5-B
R240
470
GRN
CH11 6-B
R241
470
GRN
CH11 7-B
R242
470 GRN
CH11 8-B
R243
470
GRN
CH11 9-B
R244
470
GRN
CH120- B
R245
470
GRN
CH121- B
R246
470 GRN
CH122- B
R247
470
GRN
CH123- B
R248
470
GRN
CH124- B
RED
CH102- A
R250
470
RED
CH103- A R251
470
RED
CH104- A R252
470
RED
CH105- A
R253
470
RED
CH106- A R254
470
RED
CH107- A R255
470
RED
CH108- A R256
470
RED
CH109- A
R257
470
RED
CH11 0-A
R258
470
RED
CH111- A R259
470
RED
CH11 2-A R260
470
RED
CH11 3-A R261
470
RED
CH11 4-A
R262
470
RED
CH11 5-A R263
470
RED
CH11 6-A R264
470
RED
CH11 7-A R265
470
RED
CH11 8-A
R266
470
RED
CH11 9-A R267
470
RED
CH120- A R268
470
RED
CH121- A
R269
470
RED
CH122- A
R270
470
RED
CH123- A R271
470
RED
CH124- A R272
470
1 2 3
4 5 6
SW_PWR
SPUN12X1T071
1
2
3
4
5
6
7
8
9
JK2
D-SUB09P
1
2
3
AN1
ASS'Y-03P
1
2
3
4
5
6
AN2
ASS'Y-06P
1
2
3
4
5
6
AN3
ASS'Y-06P
1
2
3
4
5
6
AN4
ASS'Y-06P
1
2
3
4
5
6
AN5
ASS'Y-06P
1
2
3
4
5
6
AN6
ASS'Y-06P
1
2
3
4
5
6
AN7
ASS'Y-06P
1
2
3
4
5
6
AN8
ASS'Y-06P
1
2
3
4
5
6
AN9
ASS'Y-06P
1
I1/1-A
2
I1/1-B
3
I1/1-C
1
I2/1-A
2
I2/1-B
3
I2/1-C
1
I4/1-A
2
I4/1-B
3
I4/1-C
1
I5/1-A
2
I5/1-B
3
I5/1-C
1
I7/1-A
2
I7/1-B
3
I7/1-C
1
I8/1-A
2
I8/1-B
3
I8/1-C
1
I10/1-A
2
I10/1-B
3
I10/1-C
1
I11/1-A
2
I11/1-B
3
I11/1-C
1
I13/1-A
2
I13/1-B
3
I13/1-C
1
I14/1-A
2
I14/1-B
3
I14/1-C
1
I16/1-A
2
I16/1-B
3
I16/1-C
1
I17/1-A
2
I17/1-B
3
I17/1-C
1
I19/1-A
2
I19/1-B
3
I19/1-C
1
I20/1-A
2
I20/1-B
3
I20/1-C
1
I22/1-A
2
I22/1-B
3
I22/1-C
1
I23/1-A
2
I23/1-B
3
I23/1-C
+5V_ FRO NT
AGND _FR ON T
AGND_FRONT' +5V_FRONT