Roland JC-40 Service Notes page 27

Nov. 2015
fig.d-main-4.eps@R
C73 47pF
A+8V
D12
R54
RB706F-40 T106(PB FREE)
2 1
150k 1% K1 A2
R57
0
A-8V
2
0.25W
1
3
IC15
NJM4556AM(TE2)
MUTE
1
C84
B
1500pF
R223
22k
UnPop UnPop
Q9
AG
AG
2SC4213-A(TE85L.F)
C75 47pF
A+8V
D14
R56
RB706F-40 T106(PB FREE)
2 1
1%
150k K1 A2
R55
0
6
0.25W
7
5
IC15
NJM4556AM(TE2)
MUTE
1
C90
B
1500pF
R222
22k
UnPop
UnPop
Q8
AG
AG
2SC4213-A(TE85L.F)
DETECT_PHONES
A+8V D16
RB706F-40 T106(PB FREE)
2 1
A-8V
K1 A2
R88
1k 1%
MUTE
1
B
R224
22k
Q10
AG
2SC4213-A(TE85L.F)
D26
A+8V
RB706F-40 T106(PB FREE)
2 1
A-8V
K1 A2
R114
1k 1%
MUTE
1
B
R229
22k
Q18
AG
2SC4213-A(TE85L.F)
A+8V
IC15
NJM4556AM(TE2)
AG
A-8V
C95
A-8V
0.1uF
PH_GND
DG
MAIN_LINE_L
MAIN_LINE_R
A+5V_2
R201
C57
0
10uF16V
C242 0.1uF AG
9 11
P/S AOUTL
6 16
SMUTE/CSN DZFL
7
ACKS/CCLK
8
DIF0/CDTI
1
MCK MCLK
4 10
LRCK LRCK AOUTR
2 15
BCK BICK DZFR
3
DA1 SDTI
5 12
PDN_CODEC PDN VCOM
IC26
AK4384ET-E2 C245
0.1uF
AG
MAIN_RETURN_L
MAIN_RETURN_R
MAIN_SEND
MAIN_LINE_L
MAIN_LINE_R
AG
A-8V
20k
R197
R196
1%
5.6k
R202 1k
F (1%)
C248 C249 150pF
1%
1500pF
6
50V
7
R203 1k
5
R198 1% IC22
5.6k
R200 NJM4580M(TE2)
F (1%)
20k
1%
MUTE
AG
2SC4213-A(TE85L.F)
IC22
NJM4580M(TE2)
NJM4580M(TE2)
2
1
3
AG
DETECT_RETURN
A+8V
1
1
2
2
3
3
4
4
5
5
6
6
7
JACK BOARD
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
CN4
B15B-PH-SM4-TB (LF)(SN)
D25 A+8V
RB706F-40 T106(PB FREE)
1 2
A2 K1
A-8V
MAIN_SEND
R195
220
1
B
R23
22k
Q16
AG
A+8V
C243
0.1uF
IC22
C241
AG
0.1uF
A-8V
JC-40
27