Yamaha DSP-AX1700, Service Manual

Page: 115 / 162

A
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B C D E F G H I J K L M N
RX-V1700/DSP-AX1700
115
★
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 1/2
0 0
3.3
0
0
0
0
0
0
0
0
5.3
3.3
3.3
3.3
3.3
0.3 0.2
0.1
0
3.2 0 0.1 0.1 3.3 0.1 0.1 0 0.5 0.2 3.3 0 0 0
3.3 3.3
0 0
0 0 0 0 0 0 0
3.3
0 0
1.8
0 0 0 0 0
0.1
3.3
0
0.2
3.3 3.3 3.3 0 3.3 3.3 3.3 0 3.3 3.3 3.3 0 3.3 3.3 3.3 3.3
0
0 0 0 3.3 0 0 0 3.3 0 0 0 3.3 0 0 0 3.3 3.3
0.2 0.2 0.2
1.8
0 0.2 0.2 0.2 0.2 0 0
3.3
0.3 0.2
0 0
0
3.3
0 0 0 0 0
3.3
0
0 0
0
1.8
0 0 0 0 0
3.3
0 0 0 0.1 0 0 0 0 0 3.3
0 0 0 0 0 0 0
3.3
3.3
0
3.3 3.3 3.3 3.3 3.3 3.3
0
3.3 3.3
3.3 3.3 3.3 0 3.3 3.3 0 0 0 3.3 3.3
3.3
3.3
0
3.3
3.3
0
3.3
3.3
8.7
4.5
4.5 5.0
4.5 3.0 3.0
4.5
3.3 3.3
4.5 4.5
3.3
0
0
3.3 0.3
3.3
3.6
3.7
1.8
0
0
3.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0
0
0
1.8
0
2.9
0.2
0.1
1.8
0
0
3.3
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
1.8
0
0
0
0.1 2.9
2.9 0.4
1.0
0 0
0.2
0 0
0
4.9
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
4.9
4.9
4.9
3.6
4.9 0
0 4.9
4.9
0
0
4.9
4.9
4.9
0
0
0
0
4.9
3.6
0
0
0
0
0
0
0
0
0
4.9
0 0
0 0
4.9
0.2 4.9
4.9
4.9
4.9
4.9
4.9
4.9
0.2
4.9
0.2
0.2
4.9
0
3.3 3.3
3.3 3.3
0
3.3
3.3
0
1.8 1.8
0.5
0.1
4.9
4.9
4.9
4.9
3.6
3.6
3.3
0
0
1.8
1.8
0
0.4
0.5
2.5
0
3.3
0
0
0
0
0
0.1
0.1
0
0.3
0.3
3.3
0
0.1
0.1
0.1
0
3.3
0
0.2
1.8
0
0.1
0.1
0.1
0.1
0.1
0.1
0
0.1
3.3
0
0
1.8
1.8
0
1.7
1.6
3.3
3.3
0
3.3
0
0
3.3
0
3.3
0
3.3
1.7 1.7
1.7
1.7
0
1.7
1.7
1.0
1.0 0
2.4
9.0
9.0
5.0
5.0
0
3.3
1.2
A-3
D-VIDEO
HDMI
DUAL RECEIVER
HDMI
TRANSMITTER
EQUALIZER
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
1 DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC106, 111 : SN74LVC245APWR
Octal bus transceivers with 3-state outputs
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC121 : SN74LVC32A
Quadruple 2-Input positive-OR gates
Vcc 14 1A 1
3
E0-E2 SDA
VCC
M24Cxx
WC
SCL
VSS
SDA VSS
SCL
WC
VCC 1
2
3
4
8
7
6
5
E2
E1
E0
IC123: M24C02-WMN6TP
2k-bit serial I2C bus EEPROM
V
OUT
Thermal
Protection
Bandgap
Reference
V
IN
Control
GND
1
4 5
2
IC108 : NJM2867F3-05 (TE-1)
Low dropout voltage regulator
IC122, 124: SN74CBT3257CPWR
4-bit 1-of-2 FET multiplexer / demultiplexer
1B1 1A
OE
1B2
SW
SW
2B1 2A
2B2
SW
SW
3B1 3A
3B2
SW
SW
4B1 4A
4B2
SW
SW
S
4
7
9
12
1
15
2
3
5
6
11
10
14
13
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S
1B1
1B2
1A
2B1
2B2
2A
GND
V CC
OE
4B1
4B2
4A
3B1
3B2
3A
IC118: SN74LVC2G02DCTR
Dual 2-input positive-NOR gate
1
2
3
4
8
7
6
5
1A
1B
2Y
GND
V
CC
1Y
2B
2A
IC107: SN74LVC3G04DCTR
Triple inverter gate
1
2
3
4
8
7
6
5
1A
3Y
2A
GND
V
CC
1Y
3A
2Y
ADTnP
ADTnN
BDTnP
BDTnN
ACKP
ACKN
BCKP
BCKN
SEL
CE
Control Logic
Equalizer
Equalizer
REXT
YCKN
YCKP
YDTnN
YDTnP
EQ outputs
EQ inputs
CMOS inputs
Quantizer
Quantizer
Output buffer
Output buffer
n = 0, 1, 2
Input
switching circuit
Input
switching circuit
Termination
resistor
Clock
Detector Output Current
Control Circuit
Output
Termination
Detector
Output
Termination
Detector
1 2 3 4 5 6 7 8 9 10 11 12
24
25 26 27 28 29 30 31 32 33 34 35 36
SEL Vcc ADT1P ADT1N GND ADT0P ADT0N GND A
CKP
A
CKN
Vcc CE
TEST
Vcc
BDT0N BDT0P
GND
BDT1N BDT1P
GND
BDT2N BDT2P
Vcc
REXT
YCKN
YCKP
GND
YDT0N
YDT0P
Vcc
Vcc
YDT1N
YDT1P
GND
YDT2N
YDT2P
Vcc
Vcc
ADT2N
ADT2P
GND
Vcc
Vcc
GND
BCKN
BCKP
SEL
SEL
37
38
39
40
41
42
43
44
45
46
47
48
23
22
21
20
19
18
17
16
15
14
13
IC103 : CXB1442R
Cable equalizer with 2-system switching function
IC125 : SN74CBT3253CPWR
Dual 1-of-4 FET multiplexer / demultiplexer
2B1
1B1
2A
1A
S0
S1
1OE
2OE
1B2
1B3
1B4
2B2
2B3
2B4
7
9
14
2
1
15
6
5
4
3
10
11
12
13
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1OE
S1
1B4
1B3
1B2
1B1
1A
GND
V CC
2OE
S0
2B4
2B3
2B2
2B1
2A
POINT A-3 Pin 96 of IC101
to FL (2)_CB953
Page 118 B2