Block Diagram - Yamaha BD-S677 Service Manual

A B

■ BLOCK DIAGRAM

1
HDMI
2
NETWORK
AUDIO OUT
3
OPTICAL
DIGITAL OUT
COAXIAL
4
BD MECHANISM UNIT
J6
IN
5
REMOTE CONTROL
J7
OUT
• See page 41 →
IR
SCHEMATIC DIAGRAM
U702
6
Remote control sensor
7
C D
J4
HPD
HDMI
CEC
U11
RJ45
ETH
J21 U702
R
Stereo
DAC
L
I2S
P501
S/PDIF
MOTOR DRIVER
COLLIMATOR DRIVER
EXT_IR
LOGIC
FIP_IR
AND
CONTROL
E F
HDMI USB2 USB1 USB0
NFLASH
U1
16
MT8551/MT8560
DDR
CHB
PWR:
3.3V/1.5/1.2V
DDR 16
CHA
STB MCU
IR SPI 27MHz
IR
U701
VFD
• See page 40 →
SCHEMATIC DIAGRAM
G H
J304
to Wi-Fi module
U11
USB (Rear)
CON801
USB (Front)
• See page 42 →
USB
SCHEMATIC DIAGRAM
U8
NAND FLASH
SLC
U3
DDR3 SDRAM
64M x 16
1600MHz
STB5V
U2
DDR3 SDRAM
128M x 16
1600MHz
• See page 31–39 →
MAIN
SCHEMATIC DIAGRAM
I J
BD-S677
5V_PS +12V_PS AC IN
MOS
+5V+12V
MOTOR 1.0A
+12V
AUDIO OP.
+3.3V
1.5A
+1.2V
1.0A
+1.5V
1.0A
+3.3V
200mA
STB3.3V
Power Supply Unit
27