Block Diagram - JVC RX-D402B Service Manual

Audio/video control receiver
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Block diagram

Audio/Video signal input and system
control section
IC530
Y
Y SEL.
IC531
PB
PB SEL.
IC532
PR
VCR IN
PR SEL.
DVR/DVD IN
MONITOR OUT
DVD_C,DVD_SW
DVD C/SW
DVD_SL/SR
DVD SURR
DVRREC_L/R
DVR_L/R
DVR OUT
DVR/DVD IN
VCRREC_L/R
VCR_L/R
VCR
IN/OUT
TV_L/R
DBS_L/R
TV
DBS
TU_L/R
TO
T_MUTE
TUNER
TU_DATAI
TU_DATAO
TU_CLK,TU_CE
IC501
CPU
AV
COMPULINK
Y
IC522
DBS
SY SEL.
VCR OUT
IC524
C
IC525
VCR IN
SC SEL.
DVR OUT
IC527
CV
DVR/DVD IN
CV SEL.
MONITOR
HDMI_SY
HDMY_SC,CV
FW782
CN772
Y,C,CVBS
SD0 to 2,LRCK
BCK,RX_SPDIF
RX_MUTE
IC731
HDMI
HDMI
PORT0
RX
CSDA,CSCL
TX_RST
HDMI
TX_HPD
PORT1
TX_INT
IC751
HDMI
TX
HDMI RX,TX,micom,HDMI ADC and i/p converter section
2-1
Y OUT
PB OUT
PR OUT
VIDEO1
VIDEO11
IC502
6CH
L,R
SOURCE
SEL.
BD3813/3842 DA
VIDEO1
BD3813/3842 CL
VIDEO11
HDMI_Y
HDMI_PB
HDMI_PR
DA,CL
S_MUTE
L,R
SBWR_MUTE
MUTE
FR_RELAY
C_RELAY
SURR_RELAY
SBK_RELAY
IC507
EEPROM
DSP_STATUS
DSP_READY
RC_SDA
DSP_COMMAND
RC_SCL
DSP_CLOCK
RC_WP
DSP_RESET
HP_RELAY
HP_RY
Q524
BCHANGE1
BCHANGE2
AVCLINK
VIDEO1
VIDEO4
HDMI_Y
FAN_ON/OFF
HDMI_PB
FAN_L
HDMI_PR
Y OUT
PROTECT
FREQ_CTRL
C OUT
D+5V,B+5V
+/-7V,+9V
A+5V(DSP)
D+5V(DSP)
CV OUT
+5V(VIDEO)
+12V(RELAY)
HDMI_CLK
HDMI_STS
HDMI_COM
HDMI_Y
HDMI_PB
HDMI_READY
HDMI_RESET
HDMI_PR
FW781
CN504
CN771
CN762
CN731
HDMI_CLK
Y,Pb,Pr
RX_SPDIF
HDMI_STS
DSP_SPDF
HDMI_COM
HDMI_RDY
HDMI_RST
Y,C,CVBS
AD_OUT_Y0 to Y7
Y,Pb,Pr
AD_OUT_CBCR0 to 7
IC771
SDTV/HDTV
IC761
VIDEO
HDMI
DECODER
SUB
&
MICON
RGB
AD_SDA,AD_SCL
GRAPHICS
IC741
AD_RST,IP_RST
DIGITIZER
BUS SW
DATA0 to 31,ADDR0 to 10
IC782
SDRAM_CLK,BA0,BA1,DQM
IC743
SDRAM
BUF_OUT_Y0 to Y7,Y0 to 7
BUS SW
BUFF_OUT_CBCR0 to 7,CBCR0 to 7
Master volume section
L,R
DVD_SW
DVD_SL/SR
DVD_C
6CH VOLUME
DSP_L/R
DSP_C,DSP_SW
DSP_SL/SR
CN521
CN683
DSP.L
DSP.R
DSP.LS/RS
DSP.C
DSP.SW
IC621,IC622
IC632 to IC634
AMP.
DSP.SBL
DSP.SBR
IC651
IC652
AMP.
DSP_IN_L
DSP_IN_R
DSPSTATUS,DSPREADY
DSPCLK,DSPRESET
DSPCOMMAND
DIGITAL
RX0
IN1
IC685,IC686
RX1
DIGITAL
IN2
SD0 to 2
LRCK,BCK
RX2
DIGITAL
IN3
RX6,TX
CN651
USB
CN732
TERMINAL
AUDIO_SEL1 to 4
SD0 to 2,LRCK
RX_MUTE,BCK
IC772
BUFF.
IC781
DIGITAL
VIDEO
CONV.
JS901
JS902
User control keys, system control and FL display section
Master clock section
IC211 to IC214
Master clock GEN.
SUBWFR
IC504
AMP
IC503
MUTE
S_MUTE
DA,CL
SBWR_MUTE
DA,CL
IC508
AUDIO SOUND
DSP_SBL/SBR
PROCESSOR
DSP and digital signal input terminal section
IC610
IC611 to IC614
AMP.
D/A
DAC_fs3
DAC_fs1
DAC_fs4
DAC_fs2
PD_DD
PD_DD
RST_DD
RST_DD
DSP_A2 to A15,DSP_D0 to D15
DSP_CE0,DSP_ARE,DSP_AWE
DSP_AOE,DSP_BE0,DSP_BE1
IC620
SDRAM_CLK
IC664
IC630
SDRAM
D/A
P_SL/SR
DSP_A2 to A21
P_C/LFE
DSP_D0 to D15
DSP_CE1,DSP_AWE
P_BCK
IC663
DSP_AOE
P_LRCK
FLASH
A4+/-
ROM
B4+/-
LIN+/-
IC601
RIN+/-
IC602
CDIN
AMP.
IC697
CDOUT
8CH
CCLK
CODEC
D_CS
D_RST
FL/FR,SL/SR
C/LFE,C_BCK
C_LRCK
FL/FR,SL/SR
DATA SEL
C/LFE,C_BCK
& MPX
C_LRCK
AUDIO_SEL1 to 4
HDMI_MUTE
IC671
CPU
RX0,RX1,RX2,RX6,TX
RX4
CN652
CN661
CN961
USB_IN
D+/-,VBUS
IC903
D/A
HP_L
HP_R
HEADPHONE_DET
CN914
SEG1 to 35
AVC_IN/OUT
GRID1 to 15
AV COMPULINK
Q910
FMAM_LED
USB_LED,TV_LED
M_COMMAND,M_STATUS
IC901
DBS_LED,DVD_LED
M_CLK,M_RESET,M_BUSY
CPU
VCR_LED,HDMI_LED
M_CS
&
FL
IC902
REMOCON
DRV.
STANDBY_IND
IR DET.
VOL1,VOL2,JOG1,JOG2
STANDBY
KEY_IN1 to 3
S901 to S906
R
M_CLOCK
FREQ_CTRL
-B, -B+12V
Q444,Q445
M_
-B+12V REG
FR
PR
SUBWOOFER
OUT
F
S
S
FR
PR
Lo
Ro
C_LRCK
S_LRCK
C_BCK
S_BCK
IC661
FL/FR
DSP
SL/SR
C/LFE
SBL/SBR
SCK,MOSI
MISO
HD3,HD4
READY
CSDSP
TX
UN686
DIGITAL OUT
HEADPHONE
DI901
FL
DISPLAY
TO
FAN
D917 to D923
F1,F1
D907
-VPP
D+5V
LED

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