Yamaha YSP-1000 Service Manual page 46

A B
YSP-1000
1
I BLOCK DIAGRAM (1/2)
DIGITAL
INPUT
DVD(U,C,T,K,A,B,G,L,V
models)/
RX0
AUX(J model)
2
RX3
TV/STB
AUX(U,C,T,K,A,B,G,
RX4
L,V models)/
DVD(J model)
ANALOG
INPUT
IC4
5,14
VCR L/R
3
INPUT
1,12
TV/STB L/R
SELECTOR
OPTIMIZER
MIC(YPAO)
• See page 68 →
OPERATION
SCHEMATIC DIAGRAM
AUDIO OUT
4 IC25
SUBWOOFER AMP
• See page 66, 67 →
INPUT
5
SCHEMATIC DIAGRAM
IN
IC2
1
VCR
INPUT
4
DVD/AUX SELECTOR
6
STB
6
OUT
VIDEO
IN IC6
3,10,15
DVD/AUX
INPUT
SELECTOR
5,12,13
STB
OUT
VIDEO
7
46
C D
• See page 61~63 →
DSP
SCHEMATIC DIAGRAM
XL1
XTAL
24.576MHz
IC4
28,29
2 2 7 24MT
DIR
IC5
204
5 1 6 RMCK 159
LC89057W 17 RBCK 140 TI 19,153 TIABCK
20 RWCK 139 24,155 TIAWCK
DSP1
8 2 1 DIRSDO 143 150 TIASDO1
146 TIASDO3
145 TIASDO4
IC10
1 3 RMCK
D60Y
2 ADSDO 152
3,13
3 TIABCK
ADC 1 2 TIAWCK
IC11
FLASH
IC9
DRAM
IC22
4 RMCK
DAC 3 TIBBCK
11
1 TIBWCK
SW
2 TIBSDO4
• See page 68 →
OPERATION
SCHEMATIC DIAGRAM
IC9
8 1
NJM2257
IC10
IC1
38
OSD
40 MB90050
FL Driver
20,22,24
V1
FL Display
E F
RMCK
IC7
3
F.F
IC12
204
12 16 TIBBCK
140 TI 21 TIBWCK
139 27 TIBSDO0
DSP2
143 20 TIBSDO1
144 18 TIBSDO2
17 TIBSDO3
145
13 TIBSDO4
D60Y
IC17
FLASH
IC16
DRAM
IC23
EEPROM
IC26
16-bit CPU
49
M30626F
(512KB FROM)
94,95 75
KEY0,1 IC21
4
SN74AHC
1 2
REMOTE IR_IN
SW2-5 U3 JK1 CB1
Front
REMOTE
IR-IN RS-232C
SW
IN
G H I
IC24 IC516
11 38
DAC
4
for
IC716
Woofer
8 38
5
12M
3 1 2
IC18 IC501
3
91 37 YABCK
90 38 YAWCK
99 27 YASD00
YSS
98 28 YASD01
97 930-1 29 YASD02
96 30 YASD03
31 YASD04
32 YASD05
92 33 YASD06
34 YASD07
IC19
3
37 YBBCK
91 38 YBWCK IC515
90 27 YBSD00
YSS
99 28 YBSD01
98 930-2 29 YBSD02
97 30 YBSD03
IC701
92 31 YBSD04
32 YBSD05
33 YBSD06
34 YBSD07
IC20
3
37 YCBCK
91 38 YCWCK
YSS
90 27 YCSD00
99 28 YCSD01
930-3 IC715
98 29 YCSD02
97 30 YCSD03
92 31 YCSD04
32 YCSD05
POW_RY
J
29,36 DRIVER
YDA138
WOOFER R
29,36 DRIVER
YDA138
WOOFER L
10,11
YDA
14,15
139
R-CH
DRIVER
TWEETER x20
10,11
YDA
14,15
139
10,11
YDA
139 14,15
L-CH
DRIVER
TWEETER x20
10,11
YDA
139 14,15
• See page 64, 65 →
AMP
SCHEMATIC DIAGRAM