Yamaha RX-V1800 Service Manual page 133
Av receiver/av amplifier
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Also See for RX-V1800:
- Owner's manual (841 pages) ,
- Owner's manual (424 pages) ,
- Owner's manual (565 pages)
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A
B
C
D-VIDEO 3/5
1
to D-VIDEO 2/5
2
3
4
5
6
IC144: W9864G6GH-7
64 M x 4 banks SDRAM
CLK
7
CLOCK
BUFFER
CKE
CS
RAS
CAS
WE
COLUMN DECODER
COLUMN DECODER
CELL ARRAY
CELL ARRAY
A10
BANK #0
BANK #1
MODE
A0
REGISTER
SENSE AMPLIFIER
SENSE AMPLIFIER
A9
A11
BS0
BS1
DATA CONTROL
DQ
CIRCUIT
BUFFER
DQ15
REFRESH
COLUMN
8
UDQM
COUNTER
COUNTER
LDQM
COLUMN DECODER
COLUMN DECODER
CELL ARRAY
CELL ARRAY
BANK #2
BANK #3
SENSE AMPLIFIER
SENSE AMPLIFIER
9
IC145: IP00C772
Color image enlagement/reduction LSI
MCLKO
CK
MCLKRT
MDQM[1:0]
DQM[1:0]
MD[15:0]
DQ[31:0]
MCLKSEL[1:0]
MCS
/CS
BA[1:0]
BA[1:0]
OSC
/RAS
MCLK
MRAS
MCAS
/CAS
/WE
MWR
MA[11:0]
A[11:0]
VDD3.3
CKE
10
D
E
F
DQ0
to D-VIDEO 5/5
G
H
I
0
0
1.8
0.1
3.3
0
1.8
0
0
0
0.3
DE-INTERLACER
3.3
1.2
0.2
1.3
0.1
0
0.1
0.1
0.1
0
0
1.8
0
0.1
IC145
1.2
0.1
0
0.1
1.6
0.2
0.1
3.3
1.6
3.3
3.1
0
1.8
0
1.6
3.3
3.3
3.3
0
IC144
J
K
L
to D-VIDEO 4/5
to D-VIDEO 2/5, 4/5
3.3
0
0
0
0
0
1.8
2.6
1.7
3.1
3.3
3.3
0
1.8
3.3
0
0
0
3.3
3.3
3.3
3.3
to D-VIDEO 5/5
0
3.3
3.3
0.4
0.4
0
0.5
1.2
1.2
1.2
3.3
1.2
1.1
0.4
0.4
1.8
0
2.7
0
2.7
0
3.3
SDRAM
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
M
N
RX-V1800/HTR-6190/DSP-AX1800
133
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