Yamaha YSP-1000 Service Manual page 48

A B
YSP-1000
1
I PRINTED CIRCUIT BOARD (Foil side)
DSP P.C.B. (Side A) Lead Free Solder Used
2
3
AMP (1)
(CB702)
AGND
WFL_OUT
AGND
DGND
D3_PROTN
/WF_MUTE
D3_MUTEN
D4_MOD0
DGND
YBWCK
4
YBBCK
DGND
YBSDO7
YBSDO6
DGND
YBSDO5
YBSDO4
DGND
YCWCK
YCBCK
DGND
YCSDO5
YCSDO4
DGND
YCSDO3
YCSDO2
DGND
YCSDO1
YCSDO0
DGND
5
6
7
48
C D
INPUT (1)
(CB508)
1
5
1
5
105
104
28 54
27 1
48 25
53
52
1 24
OPERATION (4)
(CB302)
E F
to MAIN U-COM
WRITER
INPUT (2)
(CB2)
C384
1
8
5 4
14
10 11 8
1
20
156 1
157 208
1
5
208 157 156
1
EMU1
TMS
EMU0 /TRST
DGND TDI
TCK PD(+3.3V)
TDO TDO
PD(+3.3V) TCK
TDI DGND
/TRST EMU0
TMS EMU1
G H I
INPUT (2)
(CB3)
3 1
4 5
37 48
36 1
51 80
50
25 12 81
13
24
100
1
DGND
31
30 1
YASDO1
7 YASDO2
DGND
YASDO5
YABCK
DGND
YBSDO1
YBSDO2
DGND
24 1
YBWCK
52
D4_MOD0
53
/WF_MUTE
DGND
WFR_OUT
25 48
1 25
104
105
50 26
OPERATION (1)
(CB1)
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location
IC1
IC2
IC3
IC4
IC5
IC7
J
AMP (2)
(CB502)
YASDO0
DGND
YASDO3
YASDO4
DGND
YAWCK
YBSDO0
DGND
YBSDO3
YBBCK
DGND
D3_MUTEN
D3_PROTN
AGND
AGND
C4 IC8 F4 IC21 H3
C3 IC9 H5 IC25 F3
F5 IC11 H4 IC26 H3
G3 IC12 E5
G5 IC16 C5
G4 IC17 C5