Roland SOLJET Pro III XC-540 Service Notes page 42

HEAD BOARD_Circuit Diagram 5/6
FF1_DAC_B[0..9]
FF1_DAC_B[0..9]
FF1_DAC_LAT1
/FF1_DAC_RESET
/F1_POWER_SAVE
2
FF1_DAC_A[0..9]
FF1_DAC_A[0..9]
VCC3
IC17
SSI5_B 1
SSI5_B 1A
SSI5_A 7
SSI5_A 2A
SSCK5 9
SSCK5 3A
15
4A
4
G
12
G
HD151031FPEL
FF1_DAC_B[0..9]
FF1_DAC_LAT2
/FF1_DAC_RESET
/F1_POWER_SAVE
FF1_DAC_A[0..9]
IC25
LLAT3 2
LLAT3
CCH3 3
CCH3
NNCHG3 4
NNCHG3
5
LLAT7 6
LLAT7
CCH7 7
CCH7
NNCHG7 8
NNCHG7
9
1
19
NON
IC21
FF1_DAC_B0 4 22
D0 VCC45
FF1_DAC_B1 3
D1
FF1_DAC_B2 2
D2
FF1_DAC_B3 1 20
D3 NPNB
FF1_DAC_B4 30 18
D4 FB
FF1_DAC_B5 29 16
D5 PNPB
FF1_DAC_B6 28
D6
FF1_DAC_B7 27 24
D7 VCC3
FF1_DAC_B8 26
D8
FF1_DAC_B9 25
D9
9
DP
5 11
LAT DP
6 12
RST DP
13
DP
23 15
PSAVE DP
17
TP91
DP
19
DP
8 21
DAOUT DP
7
GND3
10
GND45
14
VOUTGND
E09A54RA
IC22
FF1_DAC_A0 4 22
D0 VCC45
FF1_DAC_A1 3
D1
FF1_DAC_A2 2
D2
FF1_DAC_A3 1 20
D3 NPNB
FF1_DAC_A4 30 18
D4 FB
FF1_DAC_A5 29 16
D5 PNPB
FF1_DAC_A6 28
D6
FF1_DAC_A7 27 24
D7 VCC3
FF1_DAC_A8
26
D8
FF1_DAC_A9 25
D9
9
DP
5 11
LAT DP
6 12
RST DP
13
DP
23 15
PSAVE DP
17
TP92
DP
19
DP
8 21
DAOUT DP
7
GND3
10
GND45
14
VOUTGND
E09A54RA
TP89
R272 10
2
1Y
3
1Z
TP90 TP85
R271 10
6
2Y
5
TP88
2Z R270 10
10
3Y
11
TP87 TP83
3Z
R269 10
14
TP74
4Y R256 10
13
4Z
TP73 TP82
R257 10
TP75
R254 10
VCC3
TP76 TP80
R255 10
PC18
CE0.1u
FF1_DAC_B[0..9]
IC23
FF1_DAC_B0 4 22
D0 VCC45
FF1_DAC_B1 3
D1
FF1_DAC_B2 2
D2
FF1_DAC_B3 1 20
D3 NPNB
FF1_DAC_B4 30 18
D4 FB
FF1_DAC_B5 29 16
D5 PNPB
FF1_DAC_B6 28
D6
FF1_DAC_B7 27 24
D7 VCC3
FF1_DAC_B8 26
D8
FF1_DAC_B9 25
D9
9
DP
5 11
LAT DP
6 12
RST DP
13
DP
23 15
PSAVE DP
17
TP115
DP
19
DP
8 21
DAOUT DP
7
GND3
10
GND45
14
VOUTGND
E09A54RA
FF1_DAC_A[0..9]
IC24
FF1_DAC_A0 4 22
D0 VCC45
FF1_DAC_A1 3
D1
FF1_DAC_A2 2
D2
FF1_DAC_A3 1 20
D3 NPNB
FF1_DAC_A4 30 18
D4 FB
FF1_DAC_A5 29 16
D5 PNPB
FF1_DAC_A6 28
D6
FF1_DAC_A7 27 24
D7 VCC3
FF1_DAC_A8 26
D8
FF1_DAC_A9 25
D9
9
DP
5 11
LAT DP
6 12
RST DP
13
DP
23 15
PSAVE DP
17
TP116
DP
19
DP
8 21
DAOUT DP
7
GND3
10
GND45
14
VOUTGND
E09A54RA
R143 NON
18
D1 Q1
17
D2 Q2
R141 NON
16
D3 Q3
15
D4 Q4 R139 NON
14
D5 Q5
13
D6 Q6
R137 NON
12
D7 Q7
11
D8 Q8 R135 NON
E1
R133 NON
E2
C82 C79 C78 C77 C74 C72
VCC NON NON NON NON NON NON
PC5
NON
TR33
2SC2873
R251 R83
TR37
2SC4131
1 510
R258
43
VCC3
R259
43
PC22
R248 R84
CE0.1u TR38
2SA1746
10 510
TR34
2SA1213
TR35
2SC2873
R249 R85
TR39
2SC4131
1 510
R260
43
VCC3
R261
43
PC23
R250 R86
CE0.1u TR40
2SA1746
10 510
TR36
2SA1213
TP86
SI5_YB
C58
CE220p
SI5_ZB
TP84
SI5_YA
C57
CE220p
SI5_ZA
TP81
SCK5_YB
C53
CE220p
SCK5_ZB
TP79
SCK5_YA
C52
CE220p
SCK5_ZA
TR48
2SC2873
R285 R124
TR44
2SC4131
1 510
R281
43
VCC3
R280
43
PC25
R284 R123
CE0.1u TR43
2SA1746
10 510
TR47
2SA1213
TR46
2SC2873
R283 R121
TR42
2SC4131
1 510
R279
43
VCC3
R278
43
PC26
R282 R120
CE0.1u TR41
2SA1746
10 510
TR45
2SA1213
R300 NON
LAT3
R308 NON
CH3
R301 NON
NCHG3
R309 NON
LAT7
R306 NON
CH7
R310 NON
NCHG7
VCC3
SSI6_B 1
SSI6_B
SSI6_A 7
SSI6_A
SSCK6 9
SSCK6
15
4
12
2-20
VHV2
+ C48
C144 NON
CE0.1u
COM5_B
R87
4.7 /0.25W
C145
CE0.022u
LAT5
CH5
NCHG5
SCK5_YA
SCK5_ZA
SI5_YA
SI5_ZA
SCK5_YB
C49
SCK5_ZB
CE0.1u
SI5_YB
SI5_ZB
COM5_A
R88
4.7 /0.25W
C146
CE0.022u
VHV2
+ C66
C155 22u/50V
CE0.1u
COM6_B
R122
4.7 /0.25W
C154
CE0.022u
LAT6
CH6
NCHG6
SCK6_ZA
SCK6_YA
SI6_ZA
SI6_YA
C65
SCK6_ZB
CE0.1u
SCK6_YB
SI6_ZB
SI6_YB
COM6_A
R119
4.7 /0.25W
C153
CE0.022u
IC20
TP114
R290 10
2
1A 1Y
3
1Z
TP113
R291 10
6
2A 2Y
5
TP111
2Z R288 10
10
3A 3Y
11
TP112
3Z
R289 10
14
TP93
4A 4Y
R276 10
13
4Z
G
TP94
G R275 10
HD151031FPEL
TP98
R274 10
VCC3
TP97
R273 10
PC21
CE0.1u
VHV2
C47
CE0.1u
VCC
CN6
VHV2
36
VHV2
35
GND
34
GND
33
COM5_A
32
GND
31
COM5_A
30
GND
29
COM5_A
28
GND
27
COM5_B
26
GND
25
COM5_B
24
GND
23
COM5_B
HEAD5
22
GND
21
VCC
20
GND
19
GND
18
GND
17
GND
16
LAT5
15
GND
14
CH5
13
GND
12
NCHG5
11
GND
10
GND
9
SCK5_YA
8
SCK5_ZA
7
SI5_YA
6
SI5_ZA
5
SCK5_YB
4
SCK5_ZB
3
SI5_YB
2
SI5_ZB
1
36FMN-BTK
VHV2
C61
CE0.1u
VCC
CN7
VHV2
36
VHV2
35
GND
34
COM6_A
33
GND
32
COM6_A
31
GND
30
COM6_A
29
GND
28
COM6_B
27
GND
26
COM6_B
25
GND
24
COM6_B
23
GND
22
GND
21
VCC
HEAD6
20
GND
19
GND
18
GND
17
GND
16
GND
15
LAT6
14
GND
13
CH6
12
GND
11
NCHG6
10
GND
9
SCK6_ZA
8
SCK6_YA
7
SI6_ZA
6
SI6_YA
5
SCK6_ZB
4
SCK6_YB
3
SI6_ZB
2
SI6_YB
1
36FMN-BTK
TP108
SI6_YB
C68
TP109
CE220p
SI6_ZB
TP106
SI6_YA
C67
TP107
CE220p
SI6_ZA
TP104
SCK6_YB
C63
TP103
CE220p
SCK6_ZB
TP102
SCK6_YA
C62
TP101
CE220p
SCK6_ZA