Yamaha YSP-3000 Service Manual page 84

A B C
YSP-3000/YSP-30D/HTY-7030
HDMI
1
2
3
4
5
6
7
8
POINT B-1 XL2 (Pin 95 of IC12) POINT B-2 XL3 (Pin 83 of IC16)
9
# 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.
10
84
D E F
IC2: SiI9134CTU IC10: TB7102F
IC8: SN74LV244APWR
HDMI transmitter
Octal buffers/drivers with 3-state outputs Step-down DC-DC converter IC
INT HPD
EN
3 Undervoltage protection
1OE 1 20 Vcc
RESET#
Reference Voltage Supply
CSDA CI2CA 1A1 2 19 2OE
E-DDC DSCL
CSCL Slave
Registers Master DSDA
and
VSYNC Video HDCP 2Y4 3 18 1Y1
Configuration
HSYNC Data Encryption HDCP Keys
Logic
IDCK Capture Engine EEPROM
DE Logic/DE 1A2 4 17 2A4
D[35:0] Generator EXT_SWING
YCbCr to RGB 2Y3 5 16 1Y2
Color Space XOR Tx0
HDMI 1.3
S/PDIF Converter/ Mask Tx1
TMDS 6 15
MCLK 4:2:2 to 4:4:4 Tx2 1A3 2A3
Core
WS Converter TxC
Audio
SCK Capture
2Y2 7 14 1Y3
SD[3:0] Logic
DL[3:0]
V FB
DR[3:0]
1A4 8 13 2A2
7
0.8V(typ)
2Y1 9 12 1Y4
IC6: NJU7754F05
GND 10 11 2A1
Low dropout voltage regulator
V IN 5 4 V OUT
IC14: SN74CBT3253CPWR
Output
CONTROL 1
Control Dual 1-of-4 fet multiplexer/demultiplexer
Current 1A 7
Vref
Limit
GND 2
IC12: SiI9135CTU
2A
9
HDMI receiver
INT XTAL
RESET#
Registers & HDCP
CSDA 2 Configuration Keys
I C MCLK
CSCL Logic ROM MCLKOUT
Gen
DSDA0
2
I C
DSCL0
SPDIF
HDCP DSD
Rx0± Audio
HDMI1.3 SD[3-0]
Decryption Decode
Rx1±
TMDS Engine SCK
Rx2± Logic
Core 0 WS 14
RxC± S0
MUTE OUT
Digital
MUX
Rx0± S1 2
Q[36:0]
HDMI1.3 RGB to YCbCr
Rx1± VSYNC
TMDS Color Space
Rx2± HSYNC
Core 1 Converter/
RxC±
XOR ODCK 1OE 1
4:2:2 to 4:4:4
Mask DE
Converter
DSDA1 (12-bit Accurate) SCDT
I 2 C
DSCL1 EVNODD
2OE 15
G H
OUT
CB1
0 0 0
0 5.0 5.0
5.0 5.0
IC6
3.2
0
0 3.3
0 3.3
3.3 0
0 0
1.8 0
HDMI
2.2 0
2.2 0
2.2 0
2.2 Transmitter 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.
IC11: PQ033EZ01ZP
Voltage regulator
V
IN
2
DC input (Vin) 1 3 DC output (Vo)
Current
Soft start
Detection
IC
2
5 ON/OFF control (Vc)
GND
Oscillator
Driver
Control 8 L X
PWM Comparator
Logic
Slope +
IC15: M24C02-WDW6TP
Compensation -
Driver
2 K-bit serial I 2 C bus EEPROM
PGND
Phase 1
Compensation VCC
PGND 1 8 L X
Error Amplifier
Overheat
- V IN 2 7 V FB
Protection
+ VCOMP 3
EN 3 6 N.C
4 E0-E2 SDA
SGND 4 5 N.C
SGND
M24Cxx
SCL
WC
VSS
1 8 VCC
E0
E1 2 7 WC
E2 3 6 SCL
VSS 4 5 SDA
6
1B1
5 1B2
4 1B3
3 1B4 IC16: MN103SFD7G
10 2B1 Microprocessor
11
2B2
12 2B3
13 2B4 32 bit Built-in ROM
Microprocessor
Bus
Controller
Extended
computing Built-in RAM
element
1OE 1 16 V
CC
S1 2 15 2OE Other
Serial I/O Interrupt DMA Clock
Timer peripheral
1B4 3 14 S0 I/F port control Controller &
equipment System control
1B3 4 13 2B4 WDT
1B2 5 12 2B3
1B1 6 11 2B2
1A 7 10 2B1
GND 8 2A
9
I J K
DVD
CB3 CB4
0 3.3 3.3 0 0 3.3
0 3.3 3.3 0 0 3.3
0 3.3 3.3 0 0 3.3
0 3.3 3.3 0 0 3.3
6.8
5.0
0 0
3.3 0
3.3 5.0
No replacement part available. 5.0
3.3
0 0
0 0
1.8 3.3
0 HDMI 3.3
0 2.8
0 2.8
0 1.8
Receiver
0 1.8
0 0
0 0
IC12
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
1.8
3.3
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
IC8
2.9 4.8
3.3
2.8 4.4
3.3
L M N
AUX1
0
0
0
0 0 0 0 0
0
0 0 0 0
0
0
0
3.3 0
3.3 0 0
0
3.3 0
0
3.3 0
0
5.0 5.0
3.2 5.0
0
4.3
0 4.3
0
0
5.0 5.0
0
0 5.0 0
0
5.0 0
5.0 0
0 0
0 5.0 0
3.2
IC15
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 CEC 0
3.3
0
3.3
0
3.3
1.6
3.3
1.5 B-2
3.3
0 3.3
3.3 3.3
IC16 0
3.3
1.6
3.3
1.5
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
3.3
CB7
CB6
Page 81 K7
to INPUT_CB14
IC18
IC10
3.7
0
IC11
0
CB5
Page 85 L7
to POWER (1)_CB508
0
3.2
0