Hitachi HCUR700UC Service Manual page 54

HCU-R700
B L O C K D I A G R A M
•
D V D / C D / V I D E O C D P L A Y E R ( H D V - R 1 0 0 )
DVD DRIVE MECHA UNI T
B1 B2
A1 A2
A4 A3
B4 B3
SPINDLE
MOTOR
LOADING
MOTOR
TRAVERS
E MOTOR
FOCUS
COIL
TRACKING
COIL
DVD
PROCESSOR
(ES4138F)
HOST INTERFACE DEMULTIPLEXER
4M EPROM REMOCON
MX27C4000
RF SIGNAL PROCESSOR(TA1293F)
HEAD
AMP
AMP
VGA EQ
AMP
TIMING
CONTROL
SYNC
LD
DRIVE
LASER
CONTROL
AMP
CPU INTERFACE
LASER DIODE
DISC SERVO
SPINDLE CONTROL (TC9453F)
MOTOR
DRIVER
I/O
MONITOR
CONTROL
4 CH
MOTOR
DRIVER
DRAM INTERFACE
SRAM
PICTURE SIZE
OSD DECODER
CONVERTER
AND
MPEG VIDEO DECODER
AUDIO OUTPUT
MIXER
SUBPICTURE DECODER
HLI DECODER
DIGITAL AUDIO
AUDIO OUTPUT
INTERFACE
MIXER
AUDIO DECODER
IEC- 958 OUTPUT
RISC
DISPLAY
FL DRIVER
(UPD16311)
KEY
— 81 —
OPTICAL DISC
4M DRAM
CONTROL
(TC9469F)
INPUT
SELECTOR
IF
ATAPI
ECC
CPU INTERFACE
TRACK CROS S GAIN
COUNTER CONTROL
A/D
AMP
SERIAL
DSP
INTERFACE
CPU AND INTERFACE
SYSTEM CONTROL
(TMP95FY64F)
VIDEO ENCODER (ADV7170)
4,2,2 ADD
TO YCrCb SYNC YUV
4,4,4 To TO
INTER YUV RGB
POLATOR MATRIX MATRIX
ADD
VIDEO
BURST
OUTPUT
INTERFACE
+
INTERFACE
IEC- 958
INTERFACE
INTERFACE
8X INTERPOLATOR
SERIAL DATA
INTERFACE
8X INTE RPOLATOR
POWER SUPPLY UNIT
REGULATOR
SUNABA
BRIDGE
TRANS
CIRCUIT
RECTIFIER
MAIN
VOLTAGE
SWITCHING
DETECTOR
CIRCUIT
OSD
BUFFER
HOST COMMAND
SYSTEM HEADER
UBER DATA
VIDEO
MICROCODE
SUBPICTURE
DBI
VIDEO FRAME
BUFFER
PCI/HLI
AUDIO OUTPUT
AUDIO
BUFFER
Y
D/A
FILTER AMP
AMP
C
D/A
FILTER AMP
AMP
MULTI U
D/A
PLEXER
FILTER
AMP
AMP
V
D/A
FILTER AMP
AMP
D/A (AD1854)
D/A
Σ∆ AMP
MUTE
Σ∆
D/A
AMP MUTE
OPTICAL
DRIVER
— 82 —
AC AC
LINE IN
FILTER
DRAM
DRAM
(K4S161622D)
K4S161622D
+
Sou t
COMPONENT
OUT
Y
Cr
Cb
VIDEO
DRIVER
AUDIO OUT
L
R
OPTICAL OUT