Yamaha DSP-AX1800, Service Manual

Page: 131 / 181

CB101 CB103 CB104 CB105 CB106
IC113
IC109
IC103
IC104
IC106
IC114
IC115
IC110
IC111
IC112
IC101 IC102
IC116
IC108
IC105
CB102
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-V1800/HTR-6190/DSP-AX1800
131
★
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 1/5
POINT A-1 XL101 (Pin 95 of IC101)
A-1
0
0
3.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 0
0
0
0
0
0
0
0
3.3
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
0 0 0
3.3 3.3
0 0 0
3.3 3.3
0
0
0
0
0
0
0
0
3.3
0
3.3
3.3
0
0
0
0
0
0
0
0
3.3
0
0
0
0
0
0
0
0
0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
3.3
3.3
0
0
0
0
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
3.3
3.3
3.3
3.3
3.3
0.2
1.8
0.2
0 3.3 3.3 3.3 3.3 3.3 3.3 0 3.3 3.3 3.3 0 3.3 3.3 1.8 0 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 1.8
0.2
0
3.3 0.2 0.2 0.2 0.2
0
1.8 2.2 2.2 2.2 2.2
0
3.3 0.3 0.3 3.3 0.3
0
1.8 0.3 0.2 0.2 0.2
0
3.3 1.4 1.4 1.8 1.3
0
1.8 0.2
3.3
0
3.3 3.3 3.3 3.3 3.3 3.3
0
3.3 3.3
3.3 0 0 0 3.3 3.3 0 3.3 3.3 3.3 3.3
0
0
0
0
0
0
0
0
0 0
5.0
0
0
0.2
0
0.9
0
4.0
0
0
0
1.3
0
1.3
0
4.0
0
0 0
0
5.0
0
5.0
0
0
0
0
0
0.1
0.5
0.1
0
0.1
0
0
0
0
0
0
5.0
1.3
0.9
3.7
4.9
4.9
2.9
0
0
3.3
3.3
3.3
0
5.0
5.0
5.0
5.0
0
4.9
5.0
0
0
0.9
5.0
5.0
0
0
0
0
4.9
1.3
5.0
5.0
0
0
0
5.0
0
0
0
0
0.1
0
0
0
0
0
0
0
5.0
0 0
0
0
0
0
0.5
0.5
0 0
5.0
0.2 0
1.3
4.0
4.9
0
1.3
1.3
4.0
4.9
0
0.9
0.9
0
3.3
3.3
0
3.3
0
3.3
0
0.1
0
0
0
3.3 0
1.3
4.9
3.3
0
0
0.9
4.9
3.7
2.9
1.8
1.8
0
0
0
0
3.3
0
1.4
1.4
1.3
1.3
1.8
0
1.4
1.4
0.2
0.2
3.3
0
0
1.3
1.4
0.2
3.3
5.0
0
5.0
8.7
0
0
3.4
3.4
0
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0
2.2
2.2
2.2
2.2
0.3
0.3
0.3
0.3
0.3
1.8
3.3
0.3 2.9
3.4
3.7 5.0 5.0 0 0 0 0 0 0 0 0 0 0 0 0 1.8
1.8 1.8
0
0 1.8
0
3.4
0 0
1.3 0.2 0.2 1.3 1.3 1.4 1.4 0.2 0.2 0.2
0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0
0
3.4
0
0 0 0 0 0 0 0 0 3.4
0
3.4
0 0 0 0 0 0
1.8
1.4 1.4 1.3 1.4 1.4 1.4 0.2 0.2 1.4 1.8
1.8
3.3
0
0
0
0
0
0
0
3.4
0
1.8
0
0
0
0
0
0
0
0
0
0
0
1.8
0
5.0
9.0
0
0
0
1.8
0
0
0
0
0
0
0
3.3
0
0
1.8
0
0
0
1.7
1.8
1.6
3.3
3.3
3.3
3.3
0
3.3
0
0
1.8
0.2
3.3
1.7 1.7
1.7
1.7
0
1.7
1.7
3.3
1.2
RB501V
to D-VIDEO 4/5
to D-VIDEO 5/5
to D-VIDEO 5/5
to D-VIDEO 3/5
to D-VIDEO 4/5
Not applied to this model.
to D-VIDEO 5/5
HDMI
TRANSMITTER
HDMI
DUAL RECEIVER
EQUALIZER 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
IC112 : 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
IC103, 104 : CXB1442AR-T4
Cable equalizer with 2-system switching function
ADTnP
ADTnN
ACKP
ACKN
BCKP
BCKN
SEL
CE
YDTnP
YDTnN
EQ outputs
BDTnP
BDTnN
YCKP Equalizer
Quantizer
Quantizer
Input switching
circuit
Equalizer
Input switching
circuit
Termination
resistor
Output buffer
Output buffer
n= 0, 1, 2
YCKN
REXT
EQ inputs
CMOS inputs
Control Logic
Clock
Detector
Output Current
Control Circuit
Output
Termination
Detector
Output
Termination
Detector
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
IC110, 111 : M24C02-WDW6TP
2 K-bit serial I 2 C bus EEPROM
V
OUT
V
IN
Control
GND
1
4 5
2
IC106 : NJM2867F3-05
Low dropout voltage regulator
Bandgap
Reference
Thermal
Protection
IC113 : 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
IC109: 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
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC115 : SN74LV32APWR
Quadruple 2-input positive-OR gates
Vcc 14 1A 1
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
IC105 : SN74LVC245APWR
Octal bus transceivers with 3-state outputs
IC108 : TC74VHC157FT
Quad 2-channel multiplexer
SELECT 1
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
GND 8
Vcc 16
ST 15
4A 14
4B 13
4Y 12
3A 11
3B 10
3Y 9
A S G
B A
Y B
A Y
B A
Y Y B
IC116 : TC7SET08FU
2 input AND gate
1
2
3
IN A
IN B
GND 4
5
OUT Y
VCC
A
L
L
H
H
B
H
L
H
L
Y
H
L
L
L
IC114 : TC7WZ02FK
2 input nor gate
1 1A
2 1B
3 2Y
4 GND
8 Vcc
7 1Y
6 2B
5 2A
A
L
L
H
H
B
H
L
H
L
Y
L
L
L
H
IC102 : SiI9134CTU
HDMI transmitter
XOR
Mask
DSCL
DSDA
EXT_SWING
Tx0
Tx1
Tx2
TxC
CSDA
RESET#
MCLK
S/PDIF
SCK
WS
DE
IDCK
VSYNC
HSYNC
SD[3:0]
DL[3:0]
DR[3:0]
D[35:0]
INT HPD
CSCL
Registers
and
Configuration
Logic
HDCP Keys
EEPROM
E-DDC
Master
CI2CA
Slave
Video
Data
Capture
Logic/DE
Generator
HDCP
Encryption
Engine
HDMI 1.3
TMDS
Core
Audio
Capture
Logic
YCbCr to RGB
Color Space
Converter/
4:2:2 to 4:4:4
Converter
IC107 : TC7WZ04FK
Triple inverter
V
CC
3A
2Y
1A
GND
3Y
1
2
3
4
2A
1Y
8
7
6
5
IC101 : SiI9135CTU
HDMI receiver
DSCL0
DSCL1
I 2 C
I
2
C
XOR
Mask
I 2 C
DSDA0
DSDA1
CSDA
RESET#
MCLKOUT
SPDIF
DSD
WS
SCK
MUTE OUT
EVNODD
SCDT
DE
ODCK
VSYNC
HSYNC
SD[3-0]
Q[36:0]
INT XTAL
CSCL
Rx0
±
Rx0
±
Rx1
±
Rx1 ±
Rx2
±
Rx2
±
RxC
±
HDMI1.3
TMDS
Core 0
Registers &
Configuration
Logic
HDCP
Keys
ROM
HDCP
Decryption
Engine
Audio
Decode
Logic
RGB to YCbCr
Color Space
Converter/
4:2:2 to 4:4:4
Converter
(12-bit Accurate)
MCLK
Gen
Digital
MUX
HDMI1.3
TMDS
Core 1
RxC
±
to FL (2)_CB953
Page 137 B2