Block Diagram - Yamaha YSP-900 Service Manual

A B
YSP-900
1
I BLOCK DIAGRAM
DVD
(T, K, A, B, G, E, L, V models)
RX0
AUX
(J model)
RX3
TV/STB
2
AUX
RX4
(T, K, A, B, G, E, L, V models)
DVD
(J model)
IC4
VCR L/R
INPUT
TV/STB
SELECTOR
3
OPTIMIZER MIC
IC2
AMP
SUBWOOFER
SYSTEM
4
CONNECTOR
(J model)
IC8
OSD
VIDEO (OSD)
V901
5
FL DISPLAY
IC901
FL DRIVER
INPUT
• See page 59, 60 →
SCHEMATIC DIAGRAM
6
7
44
C D
• See page 55-57 →
DSP
SCHEMATIC DIAGRAM
XL1
XTAL
24.576MHz
IC4 28,29
2 27 24MT
204
IC5
DIR
5 16 RMCK 159
LC89057W
17 RBCK 140 19,153
20 RWCK 139 24,155
8 21 DIRSDO 143 150
TI 146
DSP1 D60Y
145
IC10
13 RMCK
2 ADSDO 152
3 TIBCK
12 TIWCK
ADC
IC11
FLASH
IC9
DRAM
IC20
4 RMCK
DAC 3 TIBBCK
11 1 TIBWCK
SW
2 TIBSDO4
IC21
POW RY
EEPROM
IC24
49
MICROPROCESSOR
M16C
(512KB FROM)
40
94,95 75
KEY0,1 REMOTE
U901
CB1
FRONT SW IR-IN WRITING PORT
AC IN
E F
RMCK
IC7
3 5
F.F
204
IC12
12 16 TIBBCK
TIBCK 140 21 TIBWCK
TIWCK 139 27 TIBSDO0
TISDO1 143 20 TIBSDO1
18 TIBSDO2
TISDO3 144 TI
DSP2 D60Y 17 TIBSDO3
TISDO4 145
13 TIBSDO4
IC17
FLASH
IC14
DRAM
POW RY D510
TH501
SWITCHING
POWER SUPPLY
Q505
IC504, 505, 511
RY501
T501
D507
D503
Q501
IC501
3 5
1 14
IC502
RESET CIRCUIT
4,6-11
Q502, Q504
IC503
G H
IC22 IC711
11 38 YDA138
DAC
4
for
IC716
Woofer
8 38 YDA138
12M
3 1 2
3
IC18
91 37 YBCK0 18
90 38 YWCK0 20 YDA139
99 27 YASDO0 19
98 28 YASDO1
YSS
97 29 YASDO2
930-1
96 30 YASDO3
31 YASDO4
32 YASDO5
92 33 YASDO6
34 YASDO7
18
20
YDA139
19
3
IC19
91 37 YBCK1 18
90 38 YWCK1 20
YDA139
99 27 YBSDO0 19
98 28 YBSDO1
YSS
97 29 YBSDO2
930-2
92 30 YBSDO3
31 YBSDO4
18
20
YDA139
19
T502 D522
S1
D528
S4
D523
S2
S3
D524 Q506
D501
IC506
Q503
I J
D+12
DRIVER
29,35
WOOFER L
D+12
DRIVER
29,35
WOOFER R
D+5
10,11
14,15
IC706,709,712,
DRIVER
714,715,717
TWEETER x12
D+5
10,11
14,15
D+5
10,11
14,15
DRIVER
IC701,702,705,
TWEETER x9
710,713
D+5
10,11
• See page 58 →
AMP
SCHEMATIC DIAGRAM
D+5
MGND
IC510 +12V
D+12
+5A
IC509
AGND
GND
-24V
POW_RY
S3.3
S3.3BK
GND
PW_DOWN
RESET