JVC THA-30 Schematic
SCHEMATIC DIAGRAMS
DVD DIGITAL CINEMA SYSTEM
Area suffix
TH-A30
STANDBY/ON
AUDIO
VCR
TV
TV/VIDEO PROGRESSIVE
TV CHANNEL
DISPLAY
STEP
AUDIO/
SUBTITLE
TV VOLUME
FM MODE
DVD FM/AM AUX
TUNER PRESET
DOWN UP
REW
VCR CHANNEL
TUNING
B.SEARCH F.SEARCH
ENTER
VOLUME
TOP MENU
MENU
RETURN
RM-STHA30U
DVD CINEMA SYSTEM
TH-A30
US -------------- Singapore
UB ------------- Hong Kong
CD-ROM No.SML200212
UW -- Brazil,Mexico,Peru
UG - Turkey,South Africa,
Egypt
A ------------------ Australia
SP-XSA30 2
VCR
CONTROL
FF
MUTING
STANDB
Y
STANDBY/ON
AUDIO/FM MOD
D
SP
E
V
OLUME
SOURCE
DVD DIGITAL CINEMA
XV-THA30 SP-WA30
SP-XA30 3
SYSTEM TH-A
30
DIGITAL
Contents
Block diagrams
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
2-1
2-2
2-6~10
No.21172SCH
Dec. 2002
TH-A30
In regard with component parts appearing on the silk-screen pr inted side (par ts side) of
the PWB diagrams, the parts that are printed over with black such as the resistor ( ),
diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)
TH-A30
Block diagrams
Main section
TUNER
VFD
FCW2
J1 CW8
DVD mecha block section
Front L-ch
6
(35W)
AUX1
L
R
IC5
POWER
AMP.
Front R-ch
6
(35W)
CW5
J6
Center
6
(35W)
IC7
POWER
U13
Sub Woofer
4
(110W)
AMP.
Rear L-ch
6
(35W)
IC6
POWER
J5
AMP.
CW6
Rear R-ch
6
(35W)
Main
Parallel/Serial
DVD Interface
416C256
4M DRAM
DU3
DVD ROM CONTROLLER
M5701/ M5705
M6759
MICOM
&
ATAPI
BCA
I/F
MPEG
RAM
DATA
SEPARATOR
C3 ECC
ARBITER
DVD-D SP
EDP
MCU I/F
TARGET
CD-DSP
DIGITAL
SEARCH
SERVO
64M SDRAM
W986432DH-7
SWITCHING
BUFFER
Analog
Video
Output
VIDEO OUT
BA7612
BUFFER
SIGNAL
KSA812
(Refer to "Main section.")
Audio
AMP PARTS
Output
(Refer to "Main section.")
U8
MPEG DECODER
ZIVA5
S-VIDEO
S_VIDEO_Y/C
UIC1
MICOM
COMPONENT OUT
VIDEO
VIC3
VIDEO SW
VIDEO_Y1,U,Y
VIDEO_COMPO
VW2
Front
V Signal
U11
PROLOGIC IC
Phase
JTAG
Interface
Lock
Loop
13.5MHZ Crystal
DACs
Digital Video
RL
U7
FUNCTION IC
RR
ERROR
I/V AMP
RF&FOCUS
ERROR
I/V AMP
TRACKING
&LPC
CONTROL
APC.LASER
LOOP
SERVO
TRACKING
LOGIC
HARDWARE
SPINDLE
SERVO LPF
EFM
COMPARATOR
U2
TUN L
FL
FUNCTION IC
FR
AUX R
TUN R
MUX-OUT L IN L
MUX-OUT R IN R
AUX L
U12
FUNCITON IC
C
W
U9
Five 10-bit
Video
Interlace/
Progressive
Engines
Graphics
Video
Encoder
Audio
Output
SPARC
Microprocessor
RU1 RF AMP SP3721
System Control Bus
System Control Bus
Parallel/Serial
DVD Interface
ATAPI 40PIN
ASYNC BUS/IR/GPIO/SPI/UART1&2/ATAPI/IDC
LPF
FL
(1/2)
U1
LPF
(2/2)
C
W
RL
FR
U6
DAC
U5
LPF
(1/2)
LPF
(2/2)
RR
D3D2D1
J3
LPF
(1/2)
U3
LPF
(2/2)
DSP
& EQ
RF AGC
CONTROL
GEN
FOCUS OK
DETECT DEFECT
DETECT MIRROR
PICK UP
FOCUS
& I/V AMP
LOOP
SERVO
FEED
MOTOR
LOGIC DECODER
MICOM DATA INTERFACE
DRIV ER
MOTOR
ACTUATOR
---------
Decryption
Processor
Track Buffer
ZIVA
A/V CORE
Audio
Input Unit
SDRAM CONTROLLER
J21
DVD PACK
(Refer to
"DVD mecha
block section")
J14
DECK ASS’Y
DISC
MOTOR
DISC
MOTOR
DRIV ER
HOST
MEMORY
SST39VF800A
2-1
TH-A30 TH-A30
Standard schematic diagrams
Main section /Power supply section
T o Tuner Pack
To J7
Sheet 2/4
5
4
To J2
Sheet 2/4
To DJ6
Sheet 3/4
To J21
Sheet 4/4
To J10
Sheet 2/4
3
2
1
SHEET
NUMBER
CIRCUIT DESCRIPTION
Main /Power supply /Video signal output
1/4
FL display & System control /DSP
2/4
DVD loader
3/4
DVD MPEG
4/4
To J6
Sheet 2/4
To J5
Sheet 2/4
Tuner signal
Video signal
To FCW1
Sheet 2/4
Front signal
Center signal
Rear signal
Parts are safety assurance parts.
When replacing those parts, make
sure to use the specified parts.
SHEET 1/4
2-2
HABC DEFG
TH-A30
FL display & System control section / DSP section
To J14
Sheet 4/4
To FCW1-1
Sheet 1/4
Front signal Center signal Rear signalTuner signal Digital audio signal
5
4
3
2
To J10-1
Sheet 1/4
J10
1
LOUT(PLL) MUX-OUT(L)
To FAN
To PW3 Sheet 1/4
To CW7 Sheet 1/4
To CW6 Sheet 1/4
To CW5 Sheet 1/4
ABCD E F G
SHEET 2/4
2-3
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