Yamaha Digital Sound Projector HTY-750, Руководство по обслуживанию

Страница: 79 / 99

IC2
IC12
IC16
IC15 IC19
CB4 CB3
IC14 IC20
CB7
CB6
CB5
IC11
IC10
IC18
CB1
IC6
IC8
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
YSP-600/HTY-760
79
★
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.
HDMI
B-2
B-1
0
0
0
0
3.3
3.3
0
0
0
0
0
0
0
0
0
1.8
0
0
0
0.2
0
0
0
0
0
0
3.3
0
0
0.3 2.8 2.8 5.0 5.0
5.0
3.3 1.8
0 1.8 0 0.8 0.7 0.7 0.7 0 0.7 0.7 0.1 0.1 0 1.8 0
1.8 1.8
3.3
1.8
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
1.8
3.3
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
0
0
0
5.0
0
5.0
5.0 5.0
3.2 6.8
5.0
0
1.8
2.2 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3
0
1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3
0
3.3
3.3 1.8
0 0 0 0 0 0 1.7 0
0
0 3.3
0 0 0 0 0 0 0 0 0
3.3
0
3.3
3.3
0
0
1.8
0
0
0
0
0
0
0
3.3
0
0
1.8
1.8
0
1.7
1.6
3.3
3.3
0
3.3
0
3.3
0
3.3
0
1.8
2.2
0
0
5.0
5.0
0
3.3
0
3.3
3.3
2.8
2.8
1.8
1.8
0
0
0
0
0.2
3.3
0
1.3
1.3
1.3
1.3
1.8
0
1.3
1.3
1.3
1.3
3.3
3.2
0
1.3
1.3
1.3
3.3 2.2 2.2 2.2 2.2
0
1.8 2.2 2.2 2.2 2.2
0
2.2 2.2 2.2 2.2
0
2.2 2.2 1.3 1.3
0
1.3 1.3 1.3 1.3
0
1.8
1.3 0
2.2 2.2 2.2
3.3 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 0 3.3 3.3 3.3 0 3.3 3.3 3.3 0 3.3 3.3 3.3 1.8 3.3 3.3 0 1.8
0 3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0 3.3
3.3
3.3
3.3
3.3
3.3
3.3
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
5.0
0
0
5.0 5.0
5.0
0
5.0
4.3
0
0
3.2
4.3
5.0
0
0
0
3.2
0
0
0
5.0 5.0 5.0 0
0 0 0
3.2
3.3
3.3
3.3
3.3
3.3
3.3
3.3
1.8
0
0
0
1.6
1.5
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
1.6
1.5
3.3
3.3
3.3
3.3
3.3
1.8
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
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
0
3.3
3.3
0.1
3.3
3.3
3.3 3.3
3.3
0 0 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 0 3.3
3.3 3.2
3.2
3.2 3.3 3.3 3.3 3.3 3.3
3.3
3.3 3.3
0 0 0 0 0 0 0 0 0
3.3
0 0 0 0 0 0 0 0 0 0
3.3 3.3
0 0
3.3
0 0 0 0
2.4
3.2
3.3
4.8
3.3
4.4
2.9
3.3
2.8
1.8
0.8 0 0
0
0
3.3 4.3
0 0
3.3 3.2 4.4
3.7
0
0
3.2
0
0
POINT B-2 XL3 (Pin 83 of IC16) POINT B-1 XL2 (Pin 95 of IC12)
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
IC15, 19 : M24C02-WDW6TP
2 K-bit serial I 2 C bus EEPROM
IC16 : MN103SFD7GYAC
Microprocessor
Current
Limit
VOUT VIN
GND
CONTROL
5
1
4
2
IC6 : NJU7754F05
Low dropout voltage regulator
Output
Control
Vref
IC11 : PQ033EZ01ZP
Voltage regulator
1 DC input (Vin) 3 DC output (Vo)
2
ON/OFF control (Vc) 5
GND
IC
1 1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
Vcc
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC8 : SN74LV244APWR
Octal buffers/drivers with 3-state outputs
3
7
4
1
8
Undervoltage protection
Soft start
Reference Voltage Supply
Oscillator
Slope
Compensation
Error Amplifier
0.8V(typ)
VCOMP
PWM Comparator
Phase
Compensation
Overheat
Protection
Driver
Current
Detection
Driver
SGND
PGND
LX
VIN
EN
VFB
Control
Logic
-
+
+
-
-
+
IC10 : TB7102F
Step-down DC-DC converter IC
2
1 PGND
2 VIN
3 EN
4 SGND
8 LX
7 VFB
6 N.C
5 N.C
IC2 : 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
IC12 : 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
±
Bus
Controller
Serial
I/F
I/O
port DMA
Controller
Interrupt
control
System control
Clock
&
WDT
Timer
32 bit
Microprocessor
Built-in ROM
Built-in RAM
Extended
computing
element
Other
peripheral
equipment
IC14, 20 : 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
VCC
OE
4B1
4B2
4A
3B1
3B2
3A
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
CEC
HDMI
Transmitter
HDMI
Receiver
OUT DVD
HDMI
AUX
to DSP_CB206
Page 75 K8
to INPUT (2)_W6
Page 77 H3
to DSP_CB207
Page 75 J9