Yamaha SB168-ES Service Manual page 133

H G
BLOCK DIAGRAM 002 (SB168-ES)
DM
1
BT100
SYSTEM RESET
CR2032(3V)
Controller
1
SRAM 2M
IC021 (44P)
+3.3D
43
2
FLASH ROM
IC022 (56P)
+3.3D
1,3,9,14,27,43,49
SDRAM
IC010 (54P)
+3.3D
3
30,42
LAN
3,4,7,8
CONTROLLER
JK001
MAC+PHY
X003
(DM9000AEP)
OSC
3
IC026 (48P)
25MHz
44
LD400
SW
4 (Green 1pc.)
SW401
DIP Switch
SW400
Power
+48V MASTER
indicator
OFF ON
ID
DC
5
4 28CA1-2001041659-2 1
6
F
OP AMP
3 1
IC105 (8P)
Backup IC109
(8P)
MA,MD
6
SYSTEM RESET
MA,MD IC002,
32M IC003
14
D7
/RES
D,SDA
64M
+3.3D
VccQ
+1.2D
Vcc
EA,ED
PA[0―7]
I/O Port
R4,T1―4,U1―3
/RES_MAC
40
+5D +5D +5D
+5L +5L
+5L
1 20 1 20 1
20
D-FF D-FF D-FF
LED ON/OFF LED ON/OFF LED ON/OFF
+3.3D IC405 (20P) IC406 (20P) IC407 (20P)
+5D
IC409 (20P)
IC408 (20P) IC410 (20P)
CN401 (30P)
CN802
CN402 (30P)
(13P)
CN200 (30P)
(Red) (Green) (Red)
LD1
+48V SIG PEAK
see page 6
CN300
INPUT 1―8
(30P)
see page 6
LD2
INPUT 9―16
E D
REGULATOR
+3.3D +2.5D
IC302
(5P)
3
1
+1.2D
IC102
(5P)
3
1 CPU BUS
REGULATOR
/CS,/RD,/WR,DB,AB
SIO[52―55]
SIO[56―59]
X002
System Clock
OSC
16MHz
3
A2,A3,B3,B4
A14
AN0 EXTAL
/RES_DSP
V1
/RES_ADA
Y2
/RES_ES
W1
/RES_MAC
V2
/RES_DIR2
W3
CPU
(SWX02)
INTERNAL:128MHz
BUS:64MHz
IC001 (316P)
TXD0
B7
C7 RXD0
TXD1
B6
BUS
CN602 (40P) CN603 (40P)
CN001 (40P) CN002 (40P)
ES HAAD2 see page 6
Ether Sound
see page 5
INPUT 1―8
HAAD2
C B
※1: 7,24,44,65,84,104,124,144,163,183,199
※2: 5,21,22,33,34,42,48,65,72,77,84,91,98,106,110,
118,124,130,138,146,152,165,178,185,194,201
+3.3D +2.5D
※1 5,33,63,93,
113,142,
172,189
4
/
129―132
4ch/line
4
DSP7
/ 134―137
4ch/line
IC301 (208P)
SIO[0―7] 8
/ 66―73
2ch/line
4 /DSPMUTE
/ 138―141 9
2ch/line
OSC
10,11,14 12
8
3 15MHz
MSYNC_DSP,
M128_DSP,
X300
/CSDSP
+3.3D
/CS,/RD,
※2
/WR,DB,AB
199
200
/ANA_MUTE
PLLP2
OSC
M256FS,
119 X201
IC202 (208P)
3 45.1584MHz
M128FS,
M64FS,
OSC
DFS,FS 149,150,157, 120 X200
3
49.152MHz
158,203
125,131
142
78 +5D
EXTWC1,
EXTWC2561
24,39
DIR2
36
IC207
DIRWCSEL
(44P)
23
OUT [1―8]
(8P) (11P)
CN501 (23P)
CN503 CN504
CN502 (23P)
CN901 (23P) CN903 CN902
(8P)
(11P)
DA
see page 6
OUTPUT 1―8
CN901
(23P)
see page 6
INPUT 9―16
BLOCK DIAGRAM 002 (SB168-ES)
A
SB-168-ES