Circuit Diagram (Main Board: 3/3) - Roland BOSS KATANA-50 Mk II Service Notes

Oct. 2019

Circuit Diagram (Main Board: 3/3)

fig.d-50-main-3.eps@L
1
D22 D23
RR1LAM4STR RR1LAM4STR
C139
0.1uF
FG3
UnPop
AX JUMPER 5.0MM RMM
J1
From Trans
CN9
5
4
3
AX JUMPER 5.0MM RMM
2
1
J2
B5P-VH (LF)(SN) 7A/250V
CN10
3
2
1
B3P-VH (LF)(SN) 7A/250V
FB+3.3
1608
R631
15k
0.5%
R629
8.2k
0.5%
R625
10k
0.5%
0
R643
C625
0.1uF
50V
1005
DG
34
F1
MRT500
2
R649 R651 R646
C267 R650
10k 10k 10k
0.1uF 10k
1608 1608 1608
50V 1608 UnPop
UnPop UnPop
1005 UnPop R648
D603
220
1SS362FV
DG 1608
C177
470uF
2
D28
35V
UnPop
Radial UnPop
C648
C649
105c UDZV TE-17 24B
0.1uF
1uF
1005
50V
50V
DG DG DG
UnPop
+VCC0
C252
D33
R213 4700uF
D3SBA60-7000
22k 63V
0.25W Radial
2 3 AC-IN2
AC-IN1
3216 105c
C271
4700pF
1kV C207
R214 4700uF
[3216]
22k 63V
Radial
0.25W
3216 105c
-VCC0
FG4
RR1LAM4STR RR1LAM4STR
D40 D30
UnPop
F4
MRT500
1 2
C261
4700pF R211
UnPop
1kV 22k
F5
3216
0.25W
MRT500
3216
1 2
D41 D42
RR1LAM4STR RR1LAM4STR
R212
22k
0.25W
3216
R346
0
[3225/0.5W]
FB+6
C626
100uF 35V
R624
R630
1005 C633
2.7k
2.2k
0.1uF 50V
0.5%
C632
R626 C629
1000pF
47k 2200pF
DG
1005
0.5%
1005
R633
560 50V 17
INV1
1005
R634
16
C634 10k FB1
1000pF 0.5% C630 R635
1005 3300pF 47k
50V
4
DG
INV2
1005
R636
5
FB2
C631 12k
6800pF
15
25V STB
DG
20
VREF
R641 R638
19
2.7k 2.7k
DT1
2
DT2
C636 0.1uF 1
C639 C637 CT
R642 R639
0.1uF C624
0.1uF 0.1uF C638
10k 10k
50V 50V
50V 50V 150pF
1005 1005 1005
1005 50V
1005
DG DG DG DG
DG DG DG
R652
0
3225
DVCC
Q20
TTC011B
TP47
2 1
UnPop
Q604
UnPop
C268
2SC4116-GR
0.1uF
50V
UnPop
3 2
1005
R647
UnPop
47k
DG
1608
UnPop
1
DG
+PVCC
F8
MRT2
1 2
1 2
F6
MRT2 UnPop
UnPop
1 2
TP87
R347 0 1608
C193
4700uF PON-CNT
35V PG [1/3 C8]
R273 0 1608
UnPop
UnPop
DG
R274 0
1608
UnPop
C204 AG
R275 0
4700uF
35V
1608
PHG
1 2 TP88
F7
MRT2 UnPop
1 2
1 2
F9
-PVCC
MRT2
+VCC0
R338
0
[3225/0.5W]
F3
MRT200
1 2
C187 C262
1000uF 0.1uF
35V 50V
Radial
1005
105c
AG
C202 C263
1000uF 0.1uF
35V 50V
Radial
1005
F2
105c
MRT200
1 2
-VCC0
DVCC
DVCC
R640
0
Q602
1
SSM3J351R
C643 0.47uF 50V 1005
1
C635 0.47uF 50V 1005
L603
VLS5045EX-151M
150uH
13
OCP1+
14
OCP1-
11
OUT1
R628 0
8
OCP2+
7
OCP2-
10
DVCC
OUT2
R637 0
3
C627 0.01uF 50V
SS2
18
C628 0.01uF 50V
SS1
Q603
1
SSM3J351R
DG
1
IC600
BD9848FV
L602
VLS5045EX-330M
D+3.3V 33uH
DG
C205
0.1uF
25V
1005
DG
C270
0.1uF
50V
1005
DG AG
R247
47k
1608 Q35
1
DVCC 2SA1586-GR
R249
10k
R252 1608
10k Q32 R243
1608 10k
1608
1
0.1uF
C154 R237 R250
UnPop 15k 10k
1005 1608 1608
50V
D37
D39
AG
UnPop
R248 DG
10k
1608
1 Q33
R241
C311
10k
1000pF
1608
50V
UnPop
1005
DG DG
DG
+AVCC
Q21
TTC011B
TP86
2 1
R208
2.2k
3216
C264 C260
TP68
0.1uF 100uF
50V 35V
C258
1005 105c
100uF
35V
105c
C257
100uF
AG
35V
C266 C259
105c
0.1uF 100uF
TP69
R209 50V 35V
2.2k 1005 105c
3216
2 1
TP85
Q22
TTA006B
-AVCC
2012
C644 10uF 35V
1005
C623 0.1uF 50V
+6V
3216
DG
TP626
UnPop
C622 UnPop
R627
220pF 50V
120
DG
FB+6
2
TP609
TP619
DG
Low-ESR
C645 10uF 35V 2012
D+3.3V
C621 0.1uF 50V 1005
3216
DG
UnPop
C620 UnPop C646 C640
R632
220pF 50V 68pF 1uF
120 FB+3.3
25V
1005
1005
DG
2
TP608
DG
TP632
DG
KTN-50_2
+PVCC +AVCC
R236
10k
3225
3
C150
220uF
D38
16V
AG
AG
4
R244
10k
1608
1 1
Q37 Q38
1 Q36
PON-MUTE
[2/3 10E 8F 8G]
R253 R254
100k 22k
1608 1608
-AVCC AG
MUTE Circuit
+AVCC
AG
-AVCC
AG
1.2V/0.5A
D602
1SS387
D+1.2V
2 1
IC601
BD12KA5FP-E2
1 3
TP617
IN OUT ESC2
C641 C642
0.1uF 47uF
1005
25V 10V
TP633
DG
1005
25V
C274
0.1uF
FLG1 DG 100
1005
C21
C132 0.1
FLG1
0.1uF 25
FLG1 DG
25V
1005
C21
0.1
FLG1
C239 25
0.1uF
FG5 DG
1005 100
C131 C21
0.1uF 0.1
FG5 DG FG6
25V 25
1005
25V
C309
0.1uF
FG6 AG