Pn1 003 (Knob) - Yamaha PSR-S770 Service Manual

Q P O
■ PN1 003 (KNOB) CIRCUIT DIAGRAM (PSR-S770/PSR-S970)
1
2
3
LD301
BL-HJF36J-TRB
1 3
2 NC 4
NC
C#
SW301
A
1 2
4
3 4
D 3 0 1 D[1]
K D S 4 1 4 8 U - R T K / P
5
LD300 LD303
BL-HJF36J-TRB BL-HJF36J-TRB
1 3 1
2 NC 4 2 NC
NC
C
SW300 SW303
A
1 2 1
6 3 4 3
D 3 0 0
D[0]
K D S 4 1 4 8 U - R T K / P K D S 4 1
7
8
LD302
BL-HJF36J-TRB
1 3
2 NC 4
NC
1
SW302
A
9
1 2
3 4
D 3 0 2
D[3]
K D S 4 1 4 8 U - R T K / P
10
11
12
28CC1-2001145938-3
2
N M L K
not installed
LD304 LD309 LD312
BL-HJF36J-TRB BL-HJF36J-TRB BL-HJF36J-TRB
1 3 1 3 1
2 NC 4 2 NC 4 2 NC
NC NC
D# F#
SW304 SW309 SW312
A A
1 2 1 2 1
3 4 3 4 3
D 3 0 4 D[3] D 3 0 9 D[6]
K D S 4 1 4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P K D S 4 1
LD306 LD308 LD311
BL-HJF36J-TRB BL-HJF36J-TRB BL-HJF36J-TRB
3 1 3 1 3 1 3
4 2 NC 4 2 NC 4 2 NC 4
NC NC NC NC
D E F G
SW306 SW308 SW311
A A A A
2 1 2 1 2 1 2
4 3 4 3 4 3 4
D 3 0 3 D 3 0 6 D 3 0 8 D 3 1 1
D[2] D[4] D[5] D[7]
4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P
LD305 LD307 LD310 LD313
BL-HJF36J-TRB BL-HJF36J-TRB BL-HJF36J-TRB BL-HJF36J-TRB
1 3 1 3 1 3 1
2 NC 4 2 NC 4 2 NC 4 2 NC
NC NC NC
2 3 4
SW305 SW307 SW310 SW313
A A A
1 2 1 2 1 2 1
3 4 3 4 3 4 3
D 3 0 5 D[4] D 3 0 7 D[5] D 3 1 0 D[6]
K D S 4 1 4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P K D S 4 1
J I H
L[23-24]
D[0-9]
LD315
BL-HJF36J-TRB
3 1 3
4 2 NC 4
NC NC
G# A#
SW315
A A
2 1 2
4 3 4
D 3 1 2 D[8] D 3 1 5 D[0]
4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P
S[12-13]
L[23-24]
D[0-9]
LD314 LD317
BL-HJF36J-TRB BL-HJF36J-TRB
1 3 1 3
2 NC 4 2 NC 4
NC NC
A B
SW314 SW317
A A
1 2 1 2
3 4 3 4
D 3 1 4 D 3 1 7
D[9] D[1]
K D S 4 1 4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P
S[12-13]
MEMORY
SW318
E
TL332
S[13]
D 3 1 8
D[2]
K D S 4 1 4 8 U - R T K / P
L[23-24] L[23]
L[24]
D[0-9]
LD316
BL-HJF36J-TRB
3 1 3
4 2 NC 4
NC NC
5 RESET
SW316
A A
2 1 2
4 3 4
D 3 1 3 D 3 1 6
D[7] D[8]
4 8 U - R T K / P K D S 4 1 4 8 U - R T K / P
S[12-13]
ASSIGN
SW319
E
D 3 1 9 D[9]
K D S 4 1 4 8 U - R T K / P
18
G F E D
KNOB
ASSIGN
A SW400
1 2
S[0]
3 4
KDS4148U-RTK/P D9
D400
LIVE CONTROL 1 LIVE CONTROL 2
RK11K113
DGND
DGND
MIN MAX
MIN
not installed VR400 not installed
CN300
BM14B-GHS-TBT
1
D[0]
2
D[1]
3
D[2]
4
D[3]
5
D[4]
6
D[5]
7
D[6]
8
D[7]
9
D[8]
10
D[9]
11
L[23]
12
L[24]
S[12]
13
S[12]
S[13]
14
S[13]
■ PN1 003 (KNOB) CIRCUIT DIAGRAM (PSR-S770/PSR-S970)
C B A
PSR-S770/PSR-S970
NC
10
DGND
DGND
9
S[0]
8
D9
7
to PNM-CN402
+5DA
6
KNOB1_CENTER
5
<Page 16: I-1>
KNOB1
4
AVSS
3
KNOB2
2
KNOB2_CENTER
1
BM10B-GHS-TBT
CN400
RK11K113
MAX
AVSS
VR401
1
2
3
4
5
6
7
8
9
10
11
12