Circuit Diagram (Main, Input, Led Board) - Roland BOSS AD-2 Service Notes

Nov. 2015

Circuit Diagram (Main, Input, LED Board)

fig.d-main-1.eps@L
AD-2 circuit
MAIN BOARD[1/4]
ANALOG / POWER
ASSY No. 75D113M0R0
PWB No. F2927166R0 00(1/4)
INPUT BOARD
[3/4]
ITP1
WHITE WHTTE
W6 W5
5
4
W8 W7
3
JK1
BLACK BLACK
ITP3
HTJ-064-13D
GND
W4
ITP2
W16
BATTERY 006P
JK4
KM02018ASBM1P
W3
W15
Connect to CHASSIS
TER2
RC-3(T) COMPACT DIP EARTH TERMINAL
TER1
RC-3(T) COMPACT DIP EARTH TERMINAL
16
D1
1SS362FV
TP29
1 2 2
R27 C1
GND
10k 0.1uF
3
1608
Film
A+8
C98
UnPop
TP74
R30
33k
GND
R66
1
GND
10M
1608
A+8
C20
10uF
3
16V
R4
D8
10k
1SS362FV
0.5%
TP60
R11 C37 C103
10k UnPop 10uF
0.5% 16V
GND
D2
SR24
2
3
1
5
4
C97 C8
47uF 0.1uF
25V
D7
GS1G-M4
C12 C9
0.1uF 0.1uF
GND
GND
A+8
TP33 TP37
R15 TP36
10k
1
Q3
0.5%
2SC4738-GR
C52
10pF R12
4.7k
0.5%
A+8 GND
A+8
Q1
2SK880-GR
1
Q16
2SC4738-GR
C51 R59
0.018uF 1k
Q15
C69 0.5%
2SC4738-GR
22uF R3 5.6k
TP53
TP75
16V 0.5% A+1.7
R14
R43
470
1k
0.5%
0.5%
GND GND
TP28
D+3.3 CODEC-VCC
L19
BLM15BD601SN1D
R9
A+1.7
10k
0.5%
C106 C60
10uF 10uF
16V 16V
C105
R10
C33
10uF
10k
0.1uF
16V
0.5%
GND
A+8
Q12
2SC4738-GR
TP24
3 2
R69 C96
1.5k 100uF
16V
TP103
GND
C64 D6
100uF UDZV TE-17 11B
16V
GND
PVCC
Q11
2SC4738-GR
TP21
3 2
R87 C63
470 100uF
3216 16V
TP108
GND
C65 D5
47uF UDZV TE-17 11B
16V
GND
C50 22pF
R57 2.2k
0.5%
-8.11dB
2
C67 10uF
1
3
IC7 16V
NJM2115V(TE1)
C61 10uF
C54 22pF
16V
SD-DA
C111
0.018uF R21 1k R18 33k
LRCK
MCK
0.5%
0.5%
BCK
R6 5.6k
6
7
0.5% A+1.7
5
IC7
CODEC-PDN
NJM2115V(TE1)
+15.4dB
CODEC-VCC
TP77
C39
0.1uF
IC7
NJM2115V(TE1)
GND
A+8
R13
10k
0.5%
R81
12k
0.5%
GND
TP120
TP121
TP14
C89
2.2uF
1608
GND
AD-2
CODEC-VCC
TP87 TP88
R20
4.7
1005
C62 C68
C26 C34
10uF 10uF
0.1uF 0.1uF
16V 16V
GND
GND
C10
2 19
LIN LOUT
C10
1 20
RIN ROUT
13 8
TP90
SDTI SDTO
14
LRCK R76
15
MCLK
16
BCLK 100
7
DEM1
6
DEM0
17 18
PDN VCOM
12
CKS3
C22
11
CKS2
10 0.1uF
CKS1
9
CKS0
IC1
AK4556VT-E2 GND
GND
A+8
A+4
C36
C100 C27 C56 0.1uF IC6
10uF 0.1uF 100uF NJM4
16V 16V
GND
D+3.3 D+1.5
TP119
C94 C93
2200pF 4700pF
R45 R48
TP118
33k 12k
0.5% 0.5%
R54 R51
47k 47k
TP5
R61 R44
15k 27k
0.5% 0.5%
GND GND
C90 0.033uF
C84 0.047uF
R64
R7 R5
15k
10k 10k
0.5%
0.5% 0.5%
R55 R16
R56
27k C88 10k
27k
0.5% 1000pF 0.5%
0.5%
GND
GND