JVC RX-D402B, Service Manual

Page: 24 / 87

2-1
Block diagram
CN102
CN130
CN131
CN103
TO
FAN
CN202
IC211 to IC214
Master clock GEN.
Q444,Q445
-B+12V REG
Master clock section
CN201
M_CLOCK
FREQ_CTRL
-B, -B+12V
F
S
S
J6501
TV
DBS
J6502
VCR
IN/OUT
J6503
DVR OUT
DVR/DVD IN
J6504
DVD C/SW
DVD SURR
IC502
6CH
SOURCE
SEL.
TV_L/R
DBS_L/R
VCRREC_L/R
VCR_L/R
DVRREC_L/R
DVR_L/R
DVD_C,DVD_SW
DVD_SL/SR
L,R
CN503
BD3813/3842 DA
BD3813/3842 CL
CN501
L,R
J651
1
DBS
VCR OUT
J6512
VCR IN
DVR OUT
J6513
DVR/DVD IN
MONITOR
IC522
SY SEL.
IC524
IC525
SC SEL.
IC527
CV SEL.
Y
C
CV
VIDEO1
VIDEO4
HDMI_Y
HDMI_PB
HDMI_PR
IC501
CPU
Y OUT
C OUT
CV OUT
CN505
TO
TUNER
TU_L/R
TU_DATAI
TU_DATAO
TU_CLK,TU_CE
CN531
DSP_STATUS
DSP_READY
DSP_COMMAND
DSP_CLOCK
DSP_RESET
CN502 CN602 CN672
DA,CL
S_MUTE
SBWR_MUTE
CN530
D+5V,B+5V
+/-7V,+9V
A+5V(DSP)
D+5V(DSP)
+5V(VIDEO)
+12V(RELAY)
BCHANGE1
BCHANGE2
FAN_ON/OFF
FAN_L
Q524
HP_RELAY HP_RY
J505
AV
COMPULINK
CN565 CN555
AVCLINK
M_COMMAND,M_STATUS
M_CLK,M_RESET,M_BUSY
M_CS
FW240 CN540
PROTECT
FREQ_CTRL
CN222
M_
FR
PR
J4503
VCR IN
DVR/DVD IN
MONITOR OUT
IC531
PB SEL.
PB OUT PB
IC530
Y SEL.
Y OUT Y
IC532
PR SEL.
PR OUT
PR
VIDEO1
VIDEO11
Audio/Video signal input and system
control section R
CN513
IC503
6CH VOLUME
L,R
DVD_SW
DVD_SL/SR
DVD_C
IC508
AUDIO SOUND
PROCESSOR
MUTE
DSP_L/R
DSP_C,DSP_SW
DSP_SL/SR
S_MUTE
SBWR_MUTE
IC504
AMP
CN522
CN523
SUBWFR
CN524
J504
DA,CL
DA,CL
CN521
CN681
CN682
SUBWOOFER
OUT
CN683
IC697
8CH
CODEC
DSP_IN_L
DSP_IN_R
IC671
CPU
DSPSTATUS,DSPREADY
DSPCLK,DSPRESET
DSPCOMMAND
SCK,MOSI
MISO
HD3,HD4
READY
CSDSP
IC661
DSP
IC601
IC602
AMP.
LIN+/-
RIN+/-
IC621,IC622
IC632 to IC634
AMP.
C_LRCK
S_LRCK
C_BCK
S_BCK
FL/FR
SL/SR
C/LFE
SBL/SBR
A4+/-
B4+/-
Master volume section
DSP and digital signal input terminal section
IC901
CPU
&
FL
DRV.
DI901
FL
DISPLAY
SEG1 to 35
GRID1 to 15
CN913 CN903
JS901
JS902
VOL1,VOL2,JOG1,JOG2
J901
HEADPHONE
CN904
CN914
J903
USB
TERMINAL
IC903
D/A
CN961
D+/-,VBUS
USB_IN
CN905
HP_L
HP_R
CN661
RX4
J681
UN682
RX1
RX0 DIGITAL
IN1
DIGITAL
IN2
CN351
CN902
F1,F1
-VPP
D+5V
CN952
CN552
AV COMPULINK
Q910
AVC_IN/OUT
D917 to D923
FMAM_LED
USB_LED,TV_LED
DBS_LED,DVD_LED
VCR_LED,HDMI_LED
S901 to S906
KEY_IN1 to 3
D907
STANDBY
LED
STANDBY_IND
IC902
IR DET.
REMOCON
User control keys, system control and FL display section
MUTE
T_MUTE
DSP_SBL/SBR
HEADPHONE_DET
FR
PR
Lo
Ro
IC611 to IC614
AMP.
CDIN
CDOUT
CCLK
D_CS
D_RST
IC610
D/A
DSP.L
DSP.R
UN683
RX2
DIGITAL
IN3
FW781 FW782
HDMI_Y
HDMI_PB
HDMI_PR
HDMI_SY
HDMY_SC,CV
CN771 CN772
IC771
SDTV/HDTV
VIDEO
DECODER
&
RGB
GRAPHICS
DIGITIZER
Y,C,CVBS
AD_SDA,AD_SCL
AD_RST,IP_RST
HDMI RX,TX,micom,HDMI ADC and i/p converter section
IC507
EEPROM
RC_SDA
RC_SCL
RC_WP
UN686
TX
DIGITAL OUT
IC781
DIGITAL
VIDEO
CONV.
IC772
BUFF.
AD_OUT_Y0 to Y7
AD_OUT_CBCR0 to 7
BUF_OUT_Y0 to Y7,Y0 to 7
BUFF_OUT_CBCR0 to 7,CBCR0 to 7
IC782
SDRAM
DATA0 to 31,ADDR0 to 10
SDRAM_CLK,BA0,BA1,DQM
J71
1
HDMI
PORT0
J721
HDMI
PORT1
IC731
HDMI
RX
IC751
HDMI
TX
J751
IC743
BUS SW
IC761
HDMI
SUB
MICON
IC741
BUS SW
Y,Pb,Pr
Y,C,CVBS
Y,Pb,Pr
CN504
CN762
HDMI_CLK
HDMI_STS
HDMI_COM
HDMI_READY
HDMI_RESET
CN651 CN652
CN732 CN731
AUDIO_SEL1 to 4
HDMI_MUTE
RX0,RX1,RX2,RX6,TX
RX6,TX
IC685,IC686
DATA SEL
& MPX
AUDIO_SEL1 to 4
SD0 to 2,LRCK
RX_MUTE,BCK
HDMI_CLK
HDMI_STS
HDMI_COM
HDMI_RDY
HDMI_RST
RX_SPDIF
DSP_SPDF
SD0 to 2,LRCK
BCK,RX_SPDIF
RX_MUTE
CSDA,CSCL
TX_RST
TX_HPD
TX_INT
CN516 CN509 CN506
FR_RELAY
C_RELAY
SURR_RELAY
SBK_RELAY
IC651
IC652
AMP.
FL/FR,SL/SR
C/LFE,C_BCK
C_LRCK
SD0 to 2
LRCK,BCK
IC620
IC630
D/A
P_SL/SR
P_C/LFE
P_BCK
P_LRCK
VIDEO1
VIDEO11
HDMI_Y
HDMI_PB
HDMI_PR
IC663
FLASH
ROM
IC664
SDRAM
DSP.SBL
DSP.SBR
DAC_fs1
DAC_fs2
PD_DD
RST_DD
DSP.LS/RS
DSP.C
DSP.SW
DAC_fs3
DAC_fs4
PD_DD
RST_DD
DSP_A2 to A21
DSP_D0 to D15
DSP_CE1,DSP_AWE
DSP_AOE
DSP_A2 to A15,DSP_D0 to D15
DSP_CE0,DSP_ARE,DSP_AWE
DSP_AOE,DSP_BE0,DSP_BE1
SDRAM_CLK
FL/FR,SL/SR
C/LFE,C_BCK
C_LRCK