Schematic Diagrams - Yamaha YHT-196 Service Manual

A B C

SCHEMATIC DIAGRAMS

DIGITAL 1/4
1
CB204
2
3
4
5
6
to DIGITAL 2/4
7
8
9
10
D E F
HDMI 3
CB203 CB202
HDMI RX
IC201
No replacement part available.
IC201: SiI9233ACTU
HDMI receiver
CEC_A CEC
DSDA0
DSDA1
Serial
DSDA2 HDCP
Host
DSDA3 Registers
Interface
DSCL0
(DDC)
DSCL1
DSCL2
DSCL3
SRAM
Serial
CSDA
Host
CSCL
Interface RPI
Configuration
CI2CA (Local)
Registers and Status
and State
Registers
Machine
R0XC+
R0XC-
R0X0+
R0X0-
R0X1+
R0X1-
R0X2+
R0X2-
R0XC+
R0XC-
R0X0+
R0X0-
IC202: SiI9134CTU R0X1+
R0X1-
HDMI transmitter R0X2+
R0X2-
HDMI
INT HPD
Receiver A/V Split
R0XC+ Mux
R0XC-
R0X0+
R0X0-
RESET# R0X1+
R0X1-
CSDA
CI2CA R0X2+
DSCL R0X2-
CSCL E-DDC
Slave
Registers Master DSDA
R0XC+
and SCDT
VSYNC R0XC-
Video HDCP Logic
Configuration R0X0+
HSYNC Data Encryption HDCP Keys R0X0-
Logic R0X1+
IDCK Capture Engine EEPROM
R0X1-
DE
Logic/DE R0X2+
R0X2-
EXT_SWING
D[35:0] Generator
YCbCr to RGB
Tx0
Color Space XOR
HDMI 1.3
Tx1
S/PDIF Converter/ Mask R0PWR5V
TMDS
MCLK Tx2 R1PWR5V
4:2:2 to 4:4:4
Core TxC
WS Converter R2PWR5V
Audio
R3PWR5V
SCK Capture
SD[3:0] Logic
Reset
DL[3:0] RESET#
Logic
DR[3:0]
G H I
HDMI 2 HDMI 1
(BD/DVD)
CB201
CEC_D
HDPC
Embedded
Engine
HDCP Keys
HPD0
EDID
Hot Plug HPD1
NVRAM
HPD2
Controller
HPD3
INT
Video Processing
Video
Color
HDCP Deep ODCK
Space
Unmask Color Video Q[35:0]
Converter
Output DE
HSYNC
Format
Up/Down VSYNC
Sampling
EVNODD
Auto Video Configuration
HDMI
Decode
IC203: NJM2884U1-18 (TE1)
Audio Processing
Audio Output Low dropout voltage regulator
SPDIF
Audio Clock
S/PDIF
Regeneration
Output SCK/DCLK
APLL
Audio WS
I 2 S/
HDCP SD[3:0] V 5
DSD
IN
Unmask DR[3:0]
Output
DR[3:0]
Auto CONTROL 1 Thermal
Audio/ MUTEOUT
XTALIN Protection
Exception
XTALOUT
MCLK
Bandgap
SCDT
Reference
GND 2
J K L
HDMI OUT
CB205
HDMI TX
IC202
IC203
IC204: TC7WHU04FK
Triple inverter
V 1Y 3A 2Y
CC
4 V
OUT
8 7 6 5
★ Components having special characteristics are marked
with parts having specifications equal to those originally installed.
1 2 3 4
★ Schematic diagram is subject to change without notice.
1A 3Y 2A GND
M N
HTR-2064/NS-B20/NS-C20/NS-SWP20
IC204 IC204
IC204
IC204
to DIGITAL 4/4
to DIGITAL 2/4
to DIGITAL 3/4, 4/4
and must be replaced
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