Yamaha HTR-6130, Service Manual

Page: 74 / 99

IC203
IC202
IC203
IC204
IC205
IC206
IC201
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-V363/HTR-6130
74
★
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.
DSP 2/6
3.4
3.4
3.4
0 0
0 3.4
0 0
0 1.6
0.9 0.3
0.9 1.6
2.1 0.3
2.1 1.6
0 0.3
1.6
0.3
3.4 3.4
1.6
0.3
3.5 1.7
0.2 0.3
0.2 1.7
2.0 0.3
1.8 1.7
1.9 0.3
1.9 3.4
1.9 0
1.9 3.5
3.3
0.2
3.4
3.4
3.4
3.4
3.4
3.4
0
3.4
1.6 3.4
1.6 3.4
1.6 3.4
1.6 3.4
1.6 3.4
1.7 3.4
1.7 3.4
1.7 0
0.3 0
0.3 0
0.3 0
0.3 0
0.3 0
0.3 0
0.3
0.3
0.2
0.2
0.9
1.3
0.2
2.1
0.2
2.1
2.0
3.4
1.8
3.4
1.9
3.4
1.9
3.3
1.9
1.9
1.8
3.3
3.4
0.2
0.3
3.4
0.3 3.4
0.3 3.4
0.3 3.3
0.3 3.4
0.3 3.3
0.3 1.7
0.3 3.3
0.3 3.4
0.3 3.4
1.7 3.4
1.7 0
1.7 3.3
1.6 3.4
1.6 0
1.6 0
1.6 0
1.6 0.5
0 3.4
0.3 3.4
0.3 1.4
0.3 1.4
0.3 0.8
0.3 0.8
0.3 5.0
0.3 3.4
0.3 0.2
0.3 0
0 3.4
0
3.4
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y
8
1B
2
1Y
3
2A
4
2B
5
2Y
6
GND 7
IC203 : SN74AHC02PWR
Quadruple 2-input positive-NOR gates
Vcc 14
1A
1
IC204-206 : SN74LV573APWR
Octal transparent D-type latches with 3-state outputs
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
V CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
LE
OE
1
11
2
19
LE
1D
C1
1D
1Q
9
12
8D
C8
8D
8Q
Bank Select
CLK
Row Decoder
I/O Control
Output Buffer
Sense AMP
Address Register
Data Input Register
Column Decoder
Latency & Burst Length
Programming Register
2M x 8 / 1M x16
2M x 8 / 1M x16
2M x 8 / 1M x16
2M x 8 / 1M x16
Col. Buffer
Row Buffer
Refresh Counter
ADD
LCKE
LRAS
CLK
LRAS LCAS
Timing Register
LCBR LWE
DQi
LDQM
LWE
LWCBR
CKE CS
LCBR
WE L(U)DQM
LDQM
RAS CAS
1 VDD
VDD
VSS
N.C/RFU
VSS
VSS
VSSQ
VSSQ
VDDQ
VDDQ
DQ15
A4
A5
A6
A7
A8
A9
A11
CKE
CLK
N.C
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
UDQM
VDDQ
VDDQ
VSSQ
VSSQ
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
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
30
29
28
33
32
31
36
35
34
39
38
41
40
43
42
45
44
46
48
47
50
49
51
53
54
52
37
BA0
LDQM
VDD
WE
CAS
RAS
CS
BA1
A10/AP
A3
A0
A1
A2
IC202 : K4S641632K-UC60000
64 M synchronous DRAM
to DSP 1/6
to DSP 1/6
to DSP 5/6
to DSP 4/6
to DSP 4/6
to DSP 3/6
to DSP 3/6, 4/6
to DSP 5/6
to DSP 3/6, 4/6, 6/6
to DSP 4/6
to DSP 5/6
to DSP 5/6
to DSP 1/6
to DSP 5/6
SDRAM
EXTENDED PORT
FLASH ROM
to DSP 4/6
to DSP 4/6
to DSP 5/6
to DSP 5/6