Yamaha YSP-600 Service Manual page 79

A B C
HDMI
1
2
3
4
5
6
7
IC2: SiI9134CTU
HDMI transmitter
8
POINT B-1 XL2 (Pin 95 of IC12) POINT B-2 XL3 (Pin 83 of IC16) RESET#
CSDA
CSCL
VSYNC
HSYNC
IDCK
DE
D[35:0]
S/PDIF
MCLK
WS
SCK
SD[3:0]
DL[3:0]
DR[3:0]
IC6: NJU7754F05
Low dropout voltage regulator
9 V 5
IN
CONTROL
1
GND 2
IC12: SiI9135CTU
HDMI receiver
RESET#
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
CSDA
# Components having special characteristics are marked s and must be replaced CSCL
DSDA0
with parts having specifications equal to those originally installed.
10 DSCL0
# Schematic diagram is subject to change without notice.
Rx0±
Rx1±
Rx2±
RxC±
Rx0±
Rx1±
Rx2±
RxC±
DSDA1
DSCL1
D E F
IC8: SN74LV244APWR IC10: TB7102F
Step-down DC-DC converter IC
Octal buffers/drivers with 3-state outputs
INT HPD
EN
1OE 1 20 Vcc 3 Undervoltage protection
Soft start
Reference Voltage Supply
CI2CA 1A1 2 19 2OE
E-DDC DSCL
Slave
Registers Master DSDA
and
Video HDCP 2Y4 3 18 1Y1
Configuration
Data Encryption HDCP Keys Oscillator
Logic
Capture Engine EEPROM
Logic/DE 1A2 4 17 2A4
EXT_SWING
Generator
2Y3 5 16 1Y2
YCbCr to RGB Slope
Tx0
Color Space XOR Compensation
HDMI 1.3 Tx1
Converter/ Mask
TMDS Tx2 1A3 6 15 2A3
4:2:2 to 4:4:4
Core TxC
Audio Converter
Capture
2Y2 7 14 1Y3 Compensation
Logic
V FB Error Amplifier
1A4 8 13 2A2 7 -
+ VCOMP
2Y1 9 12 1Y4 0.8V(typ)
GND 10 11 2A1
4 V
OUT
Output
Control
IC14, 20: SN74CBT3257CPWR
4-bit 1-of-2 FET multiplexer/demultiplexer
Current
Vref Limit
1A 4 SW 2
SW 3
5
2A 7 SW
INT XTAL
SW 6
Registers & HDCP 3A 9 SW 11
Configuration Keys
I 2 C MCLK
Logic ROM MCLKOUT
Gen
SW 10
I 2 C
4A 12 SW 14
SPDIF
HDCP DSD
Audio
HDMI1.3 Decryption SD[3-0]
Decode SW 13
TMDS
Engine Logic SCK
Core 0 WS
MUTE OUT
Digital
MUX
Q[36:0]
HDMI1.3 RGB to YCbCr
VSYNC
TMDS Color Space
HSYNC S 1
Core 1 Converter/
XOR ODCK
4:2:2 to 4:4:4
Mask
DE
Converter
SCDT OE 15
(12-bit Accurate)
I 2 C EVNODD
G H
OUT
CB1
0 0 0
0 5.0 5.0
5.0 5.0
IC6
3.2 6.8
0
5.0
0 3.3
0 3.3
3.3 0
0 0
1.8 0
2.2 HDMI 0
2.2
0
2.2 0
Transmitter
2.2 0
2.2 0
2.2 0
2.2 3.3
2.2 0
IC2
1.8
1.8
0 0
0
3.3
0
2.2 0
2.2 0
2.2 0
2.2 0
2.2 0
2.2
0
2.2
0
2.2
0.2
No replacement part available.
サービス部品供給なし IC8
IC11: PQ033EZ01ZP
Voltage regulator
V IN
2
DC input (Vin) 1 3 DC output (Vo)
Current
Detection IC
2
5 ON/OFF control (Vc)
GND
Driver
Control 8 L X
PWM Comparator
Logic
+
IC15, 19: M24C02-WDW6TP
-
Driver 2
2 K-bit serial I C bus EEPROM
1 PGND
Phase
VCC
PGND 1 8 L X
Overheat
V 2 7 V
Protection IN FB
3
EN 3 6 N.C
E0-E2 SDA
4
SGND 4 5 N.C
SGND
M24Cxx
SCL
WC
VSS
E0 1 8 VCC
E1 2 7 WC
E2 3 6 SCL
VSS 4 5 SDA
1B1
1B2
IC16: MN103SFD7GYAC
Microprocessor
2B1
2B2
3B1
32 bit Built-in ROM
Microprocessor
3B2 Bus
Controller
4B1
Extended
computing
S 1 16 V Built-in RAM
CC element
4B2
1B1 2 15 OE
1B2 3 14 4B1
1A 4 13 4B2
I/O Other Interrupt DMA
Serial Clock
2B1 5 12 4A Timer peripheral
I/F port control Controller &
equipment System control
WDT
2B2 6 11 3B1
2A 7 10 3B2
GND 8 9 3A
I J K
HDMI
DVD AUX
CB3 CB4
0 3.3 3.3 0 0 3.3 3.3 0
0 0
0 3.3 3.3 0 3.3 3.3
0 3.3 3.3 0 0 3.3 3.3 0
0 3.3 0 0
3.3 0 3.3 3.3
0 0
3.3 0
3.3 5.0
No replacement part available.
5.0
3.3
0 0
サービス部品供給なし
0 0
1.8 3.3
0 3.3
HDMI
0 2.8
0 2.8
1.8
0 Receiver
0 1.8
0 0
0 IC12 0
0
3.3
0 0
0 0.2
1.8 3.3
B-1 0
1.8
0 1.3
1.7 1.3
1.3
1.6
1.3
3.3
3.3 1.8
0
0 1.3
3.3 1.3
0 1.3
3.3 1.3
0 3.3
3.2
0
3.3
0 1.3
1.8 1.3
2.2 1.3
2.9 4.8
3.3
2.8 4.4
3.3
L M N
YSP-600/HTY-760
0
0
0
0 0 0 0 0
0
0 0 0 0
0
0
0
0
3.2
0
0
0
0
0
5.0
5.0 5.0
0
3.2 5.0
0
4.3
0
0 4.3
0 0
5.0 0
0 5.0
3.2
3.3
3.2 1.8
3.3 3.3
3.3 3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3 3.3
3.3 3.3
3.3
3.3
1.8 0
0 CEC
3.3
0
3.3
0
3.3
1.6
3.3
B-2 3.3
1.5
0 3.3
3.3 3.3
IC16
0
1.6 3.3
1.5 3.3
3.3 0.1
3.3 3.3
3.3 3.3
3.3 3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3 3.3
3.3
3.3
3.3 3.3
3.3 3.3
CB7
Page 75 J9
to DSP_CB207
CB6
Page 75 K8
to DSP_CB206
IC18
IC10
3.7
0
IC11
0
CB5
Page 77 H3
to INPUT (2)_W6
0
3.2
0
79