Block Diagram - JVC EXAD KD-SHX851 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

Block diagram

CD servo control section
AD0 to AD11
IO0 to IO3
MP3STB, MP3RST
IC653
CAS, RAS,OE, WE
IC652
SDO
DRAM
MP3/WMA
BCKO
DEC
LRCKO
BCK
PICK UP
LRCK
DATA
TRACKING
VT1, VT2, VF1, VF2,MDI, LDO, VREF
&
FOCUS
COIL
TRACKING+
TRACKING-
FOCUS+,
LOAD/FEED
FOCUS-
MOTOR
LOAD/FEED+, LOAD/FEED-
SPINDLE
SPINDLE+, SPINDLE-
MOTOR
SW1
SW1, SW2, SW3
SW2
SW3
SW4
SW4
T E
IC501
L 1 3 9 4 2 2 9 6 5 1 3
CPU
REST
REST
SWITCH
SDCS,SDDO,SDCK
TO
SDDI,SDWP,CDET1
SD CARD
OEL & Key control section
REM
RST
IC461 IC881
REMOCON RESET
A1 to A21
IC471 D0 to D15,RE
SRAM
A1 to A21
D0 to D15
RE,RY/BY
IC491
MEMRST
FLASH
D0 to D7
OEL RE,SEL0,SEL1
MODULE
S441 to S446
KEY1
S448 to S451
KEY2
S453
w w w
KEY MATRIX
.
IC410
VOUTL, VOUTR
CD LPF
IC401
DACML,DACMC
24BIt DAC
DACMD
IC601
BUS0 to 3,BUCK,
CCE,DSPRST,RWSEL
CD RF &
SERVO
CD.L-CH
CD.R-CH
FMO, DMO
TRO, FOO
IC681
LOAD, LD/FE
CD
DRIVER
CDRESET,B.DET, P.DET
CDMUTE,CDREQ
PICTCLK,PICTDI
BUSSO,BUSSI
BUSIO,/BUSIO BUSSI/SO
IC503
BUSSCK BUSCLK
J-BUS BUFF
IC502
E2PROM
KEYDA,DISPCE
DISPDA,DISPCK
PICTDI,PICTCLK
Sound mix section
IC801
A DATA3
IC301
CPU
ADSP-REQ,ADSP-CS,ADSP-SCK
AUDIO DSP ADSP-DO,ADSP-DI,ADSP-RST
ROUT
LOUT
CCC_RST, CCC_MCK
CCC_MDT, CCCMLEN
IC101
IC201
IC102
ENC1
CC
IC202
ENC2
CONVERTER
DAC
IC401
Front,Rear
Front,Rear
ENCODER
x a o
y
i
http://www.xiaoyu163.com
8
DSP section
CODE1, CODE2, CODE3
PMKICK
PM+, PM-
A DATA3
CDSCK, CDLRCK, CDDATA
RDS_CLK, RDS_DATA
DSP_TUNER_IIC_SDA
DSP_TUNER_IIC_SCL
DSP-INITIAL
BUSENABLE
DSP_TUNER_IIC_SDA
DSP_TUNER_IIC_SCL
CD RESET
PON,CDMUTE
CDREQ
EPROM DI
EPROM DO
EPROM CLK
Q Q IC701
3 7 6 3
CPU
/BUS_I/O
BUSSI
VOLDA
BUSSO
VOLCK
BUS_I/O
VOLMUTE
REMOCON BUSSCK
DISPCK
DISPDA
DISPCE
PANELRST
DETACH
KEYDATA
PICTCLK
PICTDI
DAMP_STB,DAMP_MUTE,DANP_TUNER
DAMP_FAULT,DAMP_VCONT
DAMP_PWMCLK
DAMP_RL
DAMP_FL
IC140
DAMP_FR
DAMP_RR
IC240
E.VOLUME
Lch,Rch
REAR-LCH
IC130
DAC_PDN, DAC_CSN
REAR-RCH
DAC_CLK, DACCDTI IC230
FRONT-LCH
R-LCH+/-,R-RCH+/- LPF FRONT-RCH
F-LCH+/-,F-RCH+/-
L-ch,R-ch
u 1 6 3 Main section
.
http://www.xiaoyu163.com
2 4
9 9 8
Q911
DRIVER
OUT1
IC911
CONTROL
OUT2
PANEL
DRIVER
KAGC1, AF_SAMPLE2
AF_HOLD2, SDA, SCL
AGC2_1, AGC2_2
D1_1, D1_2
TU1
IC10
J1
FM/AM
DSP
ANT
TUNER
IC382
SUB
SUB
WOOFER
WOOFER
AMP
OUT
SUBWFER IC381
IC730
EPROM L.P.F
1 5 1 5 0 8 9 2 4
LINE.IN-L, LINE.IN-R
IC740
RESET
Changer-L
IC710
Changer-R
J-BUS
CD
BUFF
CHANGER
JBUS_SI/SO
JBUS_SCK
EACH IC901 ACC
BLOCK REGULATOR
SPK
BATTERY
Amplifier section
IC954
FL+, FL-
CLOCK
FR+, FR-
SHIFT REAR Rch
RL+, RL-
FRONT Rch RR+, RR-
REAR Lch
IC955
FRONT Lch
POWER
IC951
AMP
IC961
FL+, FL-,FR+, FR-
MODULATOR
RL+, RL-,RR+, RR-
FRONT
IC171
REARL_OUT
FRNTL_OUT
IC271 LINE OUT
REARR_OUT
FRNTR_OUT
m
LINE AMP. REAR
Lch,Rch LINE OUT
c o
2
9 9
PANEL
CAM
SWITCH
PANEL
MOTOR
9 8 2 9 9
Hide away section
MEMORY(IN)
IC501
DC/DC
VPP(OUT)
CONVERTER
2-1