Yamaha RX-V3800 - AV Receiver, Руководство по обслуживанию

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IC145
IC144
IC146
IC146
IC146
IC143
IC141
IC142
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V3800/DSP-AX3800
137
★
All voltages are measured with a 10M
Ω
/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.
D-VIDEO 3/5
0
3.3 1.7
0 3.3
3.1 0 1.6 0.4 3.3 3.3 0.4 0 1.4
0 1.6
0 1.6 2.6 2.5 2.5 2.5 0 3.3 2.5
0 2.5
2.5 2.5 0 3.3 3.3 0 0 0 0
0
3.3
3.3 1.8 0 3.3 0 1.8
1.7
0 3.3 0 0.2 3.1 3.3 0 0.4 0.5 0.3 0.6 1.5 1.8 0.1 0 2.4 3.3 0 1.0 0.9 1.0 1.0 0 0.9
0 0.4 0.4 0 3.3 0 1.4 1.6
0 0
0 1.6 2.5 0 2.5 2.5 2.5 2.6
3.3 3.3 3.3 3.3 3.3 3.3
0
3.3 3.3 3.3
0
3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3
0
3.3 3.3
0
3.3
3.3 0.2 0.1 0.2
0
0.1 0.1 0.1 3.3
0
0
0.2
3.3
3.3 3.3
0.1 0.1 0.1 0.2 0 0.1 0 0.2 3.3 3.3 0 1.7 0.9 0.4 0.1 3.3 0.1 3.3 3.3
3.3
3.3 3.3 0.1 0 0.1 0.1
3.3 0.1
0 0.1 0.2 0.2 3.3 0.2
3.3
0
0.2
0
0.2 0.2 0.1
0
0.1 0.1
3.3 0.1 3.3 0.1
0
3.3 0.7 0.7 0.1 1.4 0.1 0.1 3.3 1.4 3.3
0
1.7 0.2
3.3 0.1
0.2
0
0.1
3.3
0
0.1
0.1
0
0.1
0
3.3 3.0 3.1 2.5 2.5 3.0 2.7 1.5 1.6 1.4 1.3 1.3 1.3 1.7 1.3 1.1 1.1 2.1 1.2 1.7 1.1 1.1 1.1
0.5 0.5 0.5 1.2 1.2 1.1 0.4 0.4 0.7 1.2 1.2
0
0.7 1.2
0 0 0 0 0 0
3.3 3.3 3.3 3.3
0
3.3 3.3 3.3
0.1 0.1 0.2
0.1
0
0.1 0.1 0.1 0.2 3.3 3.3 3.3 3.3 3.3
1.7
0
3.3
0
3.1 0.7 1.2
0
0
0 0 0
3.3 3.3
0
3.3
1.8
1.8 3.3
0
1.1 1.1 1.2 2.1
0
1.1 1.1 1.1 1.7
0
3.3 1.3 1.3 1.3 1.8 3.3 1.7 1.4 1.3 1.6 1.5
0
3.3 3.0 2.5 2.5 3.0
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
2.6
0.8
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.7
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
0
0
0
1.7
1.8
1.7
3.3
0
1.8
0
0
0
0
3.3
0
0
0
0
0
0
0
0
0
0
1.8
0
1.4
1.0
0.7
0
0
1.8
0.6
0.6
3.3
1.0
3.3
3.3
1.7
1.8
0
1.6
3.3
3.3
3.3
0
0
0
3.3
3.3
0
3.3
3.3
2.5
2.5
0
2.5
1.6
3.3
0
1.7
1.7
1.7
1.7
3.3
0
1.7
0
0
3.1
3.3
3.3
0.2
0
0.1
0.2
3.3 3.3
3.3 0.1
3.3 1.7
1.7 3.3
3.3
3.3
3.3
0
0.1
0.2
0.1
0
0.1
0.1
0.1
0.1
3.3
0.1
0
0.1
0.2
0.1
0.2
0
3.3
3.3
0.7
0.7
3.3
1.4
0
1.4
3.3
1.4
1.3
0.1
0.1
0
1.8
3.3
3.3
3.3
3.3
3.3
0
1.8
3.3
0.5
0
0.3
0
0
0
3.3
0
3.3
3.3
0.5
0.5
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
0
0.1
1.7
0.1
0.1
2.4
0.1
3.3
0.9
0
0.1
3.3
3.3
to D-VIDEO 2/5
to D-VIDEO 5/5
to D-VIDEO 5/5
to D-VIDEO 1/5
to D-VIDEO 5/5
to D-VIDEO 4/5
to D-VIDEO 2/5, 4/5
to D-VIDEO 5/5
DE-INTERLACER
GUI PROCESSOR
SDRAM
SDRAM
IC144 : W9864G6GH-7
64 M x 4 banks SDRAM
DQ0
DQ15
UDQM
LDQM
CLK
CKE
A10
CLOCK
BUFFER
COMMAND
DECODER
ADDRESS
BUFFER
REFRESH
COUNTER
COLUMN
COUNTER
CONTROL
SIGNAL
GENERATOR
MODE
REGISTER
CELL ARRAY
BANK #2
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #0
CELL ARRAY
BANK #3
DATA CONTROL
CIRCUIT
DQ
BUFFER
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #1
ROW DECODER
A0
A9
BS0
BS1
CS
RAS
CAS
WE
A11
ROW DECODER
COLUMN DECODER
SENSE AMPLIFIER
COLUMN DECODER
SENSE AMPLIFIER
ROW DECODER ROW DECODER
IC145 : IP00C772
Color image enlagement/reduction LSI
MCLK
CK
DQM[1:0]
DQ[31:0]
/CS
/RAS
/CAS
/WE
CKE VDD3.3
BA[1:0]
A[11:0]
MCLKSEL[1:0]
OSC
MCLKO
MCLKRT
MDQM[1:0]
BA[1:0]
MA[11:0]
MD[15:0]
MCS
MRAS
MCAS
MWR
A23-2
D31-0
CPU
INTERFACE
CSREG
RD
A1
/
WR3
WR2-0
WAIT
SDRAM
INTERFACE
DRAWING
PROCESSOR
UNIT
PIXEL
DATA
CONTROLLER
CRT
CONTROLLER
DAC
HSYNC
CSYNC
VSIN
HSIN
SDQ31-0
SA12-0
SBA1-0
SDCLK
SCS
RAS
CAS
WE
DQM3-0
CSMEM
INT
RESET
DCKIN
DCKOUT
DRI[5:0]
DGI[5:0]
DBI[5:0]
DRO[5:0]
DGO[5:0]
DBO[5:0]
AT1-0
R, G, B
VIDEO
CAPTURE
CONTROLLER
GCKIN
GCKOUT
READY
SYCKIN
SYCKOUT
FSC
DREQ
IC141 : YGV619
OSD display controller
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1CLR
1D
1CLK
1PRE
1Q
1Q
GND
VCC
2CLR
2D
2CLK
2PRE
2Q
2Q
TG
C
C
TG
C
C
TG
C
C
C
TG
C
C
PRE
CLK
D
CLR
Q
Q
C
IC143 : SN74LVC74APWR
Dual positive-edge-triggered D-type flip-flop
COLUMN DECODER
CELL ARRAY
BANK #0
ROW DECODER
SENSE AMPLIFIER
COLUMN DECODER
CELL ARRAY
BANK #1
ROW DECODER
SENSE AMPLIFIER
COLUMN DECODER
CELL ARRAY
BANK #2
ROW DECODER
SENSE AMPLIFIER
COLUMN DECODER
CELL ARRAY
BANK #3
ROW DECODER
SENSE AMPLIFIER
CLOCK
BUFFER
COMMAND
DECODER
ADDRESS
BUFFER
REFRESH
COUNTER COLUMN
COUNTER
DATA CONTROL
CIRCUIT
DQ
BUFFER
MODE
REGISTER
CONTROL
SIGNAL
GENERATOR
DQ0
DQ31
DQM0–3
CLK
CKE
CS
RAS
CAS
WE
A10
A0
A9
BS0
BS1
IC142 : W9864G2GH-7
128/64 M SDRAM
V
CC
DQ0
V
CC
Q
DQ1
DQ2
V
SS
Q
DQ3
DQ4
V
cc
Q
DQ5
DQ6
V
SS
Q
DQ7
NC
V
CC
DQM0
WE
CAS
RAS
CS
NC
BS0
BS1
A10/AP
A0
A1
A2
DQM2
V
CC
NC
DQ16
V
SS
Q
DQ17
DQ18
V
CC
Q
DQ19
DQ20
V SS Q
DQ21
DQ22
V
CC
Q
DQ23
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43 86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44 V
SS
DQ15
V
SS
Q
DQ14
DQ13
V
CC
Q
DQ12
DQ11
V
SS
Q
DQ10
DQ9
V
CC
Q
DQ8
NC
V
SS
DQM1
NC
NC
CLK
CKE
A9
A8
A7
A6
A5
A4
A3
DQM3
V
SS
NC
DQ31
V
CC
Q
DQ30
DQ29
V
SS
Q
DQ28
DQ27
V
CC Q
DQ26
DQ25
V
SS
Q
DQ24
V
SS