D-Video - Yamaha RX-V3800 Service Manual

A B C

D-VIDEO 1/5

1
2
3
0 0
5.0 5.0
4
5
8.7
0
6
3.3
0 3.3
0
3.3 HDMI
0
1.8
0.2 0
0.2 TRANSMITTER 0
0.2 0
0
0.2
0
0.2
0.2 0
3.3
0.2
0
0.2
1.8 1.8
0 0
0
3.3
2.2 0
2.2 0
2.2 0
2.2 0
0
0.2
0.2 0
0.2 0
7 0
0.2
0.2 0
No replacement part available.
サービス部品供給なし
8
IC103, 104: CXB1442AR-T4
Cable equalizer with 2-system switching function
9
n= 0, 1, 2
Input switching
Termination
circuit
resistor
ADTnP
IC105: SN74LVC245APWR
Quantizer
ADTnN
Output buffer
Octal bus transceivers with 3-state outputs
Equalizer YDTnP
YDTnN
Output DIR
Termination
BDTnP
Detector
BDTnN A1
EQ outputs
A2
EQ inputs
Input switching
circuit A3
ACKP
ACKN Quantizer
Output buffer A4
10
Equalizer YCKP
YCKN
A5
Output
Termination A6
BCKP Detector
BCKN
Clock Output Current
Control Circuit A7
Detector REXT
A8
SEL
GND
Control Logic
CMOS inputs
CE
D E F
0 0 0 0 0 3.3 3.3
0 0 0 0 0 3.3 3.3
0 0 0 0 0 3.3 3.3
0 0 0 0 0 3.3 3.3
EQUALIZER
0 3.3
3.3 3.3
0 3.3
0 3.3
0 0
0 3.3
0 3.3
0 0
0 3.3
0 3.3
3.3 3.3
1.2 3.3
9.0
5.0
0
3.3
3.3
No replacement part available.
0 サービス部品供給なし
0
0
1.8
0
0
0
0
0
0
0
3.3
0
0
1.8
1.8
0
1.7
1.7
1.6
3.3
0 A-1
3.3
0
0
0 HDMI
3.3
0
0 DUAL RECEIVER
1.8
0.2
3.3
1.7 1.7
1.7 1.7
1.7
1.7
0
Page 141 C2
to FL (2)_CB953
1 20 Vcc
2 19 OE
IC106: NJM2867F3-05
3 18 B1
Low dropout voltage regulator
4 17 B2
V V
IN 5 4 OUT
5 16 B3
Control
1
Thermal
6 15 B4
Protection
Bandgap
7 14 B5
Reference
8 13 B6
9 12 B7
10 11 B8 GND
2
G H
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
0 0 0 0 0 0 0 0 0
EQUALIZER
0 3.3
3.3 3.3
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
3.3 3.3
0 0
0
0
1.3
4.9
3.3
0
0
0.9
4.9
4.3
5.0
1.8
1.8
0
0
0
0 5.0
0
3.3
0
0
0
9.5
1.5
1.5
1.5
3.3
0
1.5
1.5
0.2
0.2
3.3
0
0
1.5
1.5
0.2 POINT A-1 XL101 (Pin 95 of IC101)
to D-VIDEO 4/5
IC109, 112: SN74CBT3257CPWR
4-bit 1-of-2 fet multiplexer/demultiplexer
2
1A 4 SW 1B1
SW 3 1B2
2A 7 5 2B1
SW
SW 6 2B2
IC108: TC74VHC157FT
3A 9 SW 11 3B1
Quad 2-channel multiplexer
SW 10 3B2
SELECT 1 16 Vcc 4A 12 SW 14 4B1
1A 2 A S G 15 ST
13 4B2
SW
1B 3 B A 14 4A S 1 16 V CC
OE
1Y 4 13 4B 1B1 2 15
Y B
1B2 3 14 4B1
2A 5 A Y 12 4Y
1A 4 13 4B2
2B 6 11 3A
B A 2B1 5 12 4A
S 1
2Y 7 Y Y B 10 3B 2B2 6 11 3B1
GND 8 9 3Y 2A 7 10 3B2
15
OE GND 3A
8 9
I J K
0 0 0 0 0 0 0 0
0 0.3 0.9 0 0 0.4 1.3 4.0
0 0 0
0 0 0
0 0 0
5.0
0.2
0.2 0
4.0 0.4
4.9 4.0
0 4.9
0.9
0.9 1.3
0 1.3
3.3
0
0 3.3
0
3.3
3.3 0 0
0 0
0 0
4.9
3.3
0.9
0
5.0 0
3.3 5.0
5.0 0
4.9 0
5.0
0 3.3
0
5.0
5.0
4.9 1.3
5.0
1.3
0 0.9
1.3
0 4.3
5.0
0 4.9 0
4.9
0 4.9
0
0
IC116: TC7SET08FU
IC114: TC7WZ02FK
2 input nor gate 2 input AND gate
IN B 1 5 VCC
A B Y
1A 1 8 Vcc
IN A L L L
2
1B 2 7 1Y A B Y
L H L
L L H GND 3 4 OUT Y H L L
2Y 3 6 2B
L H L H H H
H L L
GND 4 5 2A
H H L
IC115: SN74LV32APWR
IC110, 111: M24C02-WDW6TP
Quadruple 2-input positive-OR gates
2
2 K-bit serial I C bus EEPROM
V CC 1A 1 14 Vcc
1B 2 13 4B
3
1Y 3 12 4A
E0-E2 SDA
2A 4 11 4Y
SCL M24Cxx
2B 5 10 3B
WC
1 8 V CC
E0 2Y 6 9 3A
E1 2 7 WC
E2 3 6 SCL GND 7 8 3Y
V SS
V SS 4 5 SDA
L M N
RX-V3800/DSP-AX3800
IC113: SN74CBT3253CPWR
Dual 1-of-4 fet multiplexer/demultiplexer
1A 7 6 1B1
5 1B2
4 1B3
3 1B4
2B1
2A 9 10
11 2B2
12 2B3
13 2B4
S0 14
1OE 1 16 V CC
S1 2OE
2 15
S1 2
1B4 3 14 S0
1B3 4 13 2B4
1OE 1 1B2 5 12 2B3
1B1 6 11 2B2
1A 7 10 2B1
2OE 15 GND 2A
8 9
IC101: SiI9135CTU
HDMI receiver INT XTAL
RESET#
Registers & HDCP
CSDA
2 Configuration Keys
I C MCLK
CSCL Logic ROM MCLKOUT
Gen
DSDA0
I 2 C
DSCL0
SPDIF
HDCP DSD
Rx0± Audio
HDMI1.3 SD[3-0]
Rx1± Decryption Decode
TMDS Engine SCK
0.5 Rx2± Logic
Core 0
0.5 RxC± WS
0
MUTE OUT
Digital
MUX
Rx0±
Q[36:0]
HDMI1.3 RGB to YCbCr
Rx1± VSYNC
Rx2± TMDS Color Space
HSYNC
Core 1 Converter/
RxC± XOR
ODCK
4:2:2 to 4:4:4
Mask DE
Converter
SCDT
DSDA1 (12-bit Accurate)
I 2 C
DSCL1 EVNODD
0 5.0
0 0
0.5 5.0
0 0.5
0 0
0 0
0.1 0
0
5.0
0.1
0
0
0
0
0.2
0
0
0
0.1
0 0
0
to D-VIDEO 5/5
to D-VIDEO 5/5
to D-VIDEO 3/5
to D-VIDEO 4/5
to D-VIDEO 5/5
IC102: SiI9134CTU
HDMI transmitter
INT HPD
RESET#
CSDA
CI2CA
CSCL E-DDC DSCL
Slave
Registers Master DSDA
and
VSYNC Video HDCP
Configuration
HSYNC Data Encryption HDCP Keys
Logic EEPROM
IDCK Capture Engine
DE
Logic/DE
EXT_SWING
D[35:0] Generator
YCbCr to RGB
Tx0
Color Space XOR
HDMI 1.3 Tx1
S/PDIF Converter/ Mask
TMDS Tx2
MCLK 4:2:2 to 4:4:4
Core TxC
WS Audio Converter
SCK Capture
SD[3:0]
Logic
DL[3:0]
DR[3:0]
# 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.
135