Block Diagram - JVC EXAD KD-LHX555 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

Block diagram

CD servo control section CD servo control section
IC652
MP3/WMA
DEC
BCK
LRCK
TRACKING+
DATA
TRACKING-
FOCUS
FOCUS+
&
FOCUS-
IC601
TRACKING
CD RF
COIL
&
SERVO
VT1, VT2
VF1, VF2
MDI, LDO
PVREF
PICK UP
VT1, VT2
VF1, VF2
LD, MD
Vc
T E
L 1 3 9 4 2 2 9 6 5 1 3
SW1 to SW3
SW1 to SW3
SW4
SW4
REST
REST SWITCH
SPINDLE
SPINDLE+, SPINDLE-
MOTOR
LOAD&FEED
LOAD/FEED+, LOAD/FEED-
MOTOR
SDCS
SDDO
SDDI
SDCK
SDWP
TO
C.DET1
SD CARD
w w w
.
AD0 to AD11
IO0 to IO3
CAS, RAS
IC653
IC410
OE, WE
DRAM
CD LPF
MP3REQ, MP3CK, MP3DI, MP3STB, MP3RST
IC401
SDO, BCKO, LRCKO
24BIT DAC
DACML
DACMC
EROMDI
IC502
DACMD
EROMCK
E2PROM
BUS0 to 3
BUCK, CCE
DSPRST
CDRESET
CDMUTE
IC681
FMO, DMO LOAD
CDREQ
TRO, FOO LD/FE
CD P.DET
B.DET
DRIVER
TRACKING+, TRACKING-
FOCUS+, FOCUS-
IC503
J-BUS
IC501
CPU
IC655
SDSCK
BUFFER
SDCK
x a o
y
i
http://www.xiaoyu163.com
8
DSP / Main amplifier / Voice control section
ANT
BUSENABLE
DSP_TUNER_IIC_SDA
TU1
DSP_TUNER_IIC_SCL
FM/AM TUNER
KAGC2
AF_sample1, AF_hold1
AGC1_1, AGC1_2
D1_1, D1_2
DAC_FL
DAC_FR
LINE.IN-L
CDSCK CDSCK
LINE.IN-R
CDLRCK CDLRCK
SB
IC10
CDDATA CDDATA
Changer-L
DSP Changer-R
DSP_INIT_FIN
CDRESET
RDS_CLK
CDMUTE
RDS_DATA
CDREQ
RESET_7730
PON
SDA, SCL
PSAVE2
BUSSI/SO
BUSCLK
IC701
EEPROM DI
CONTROLLER
EEPROM DO
EEPROM CLK
BUSSI/SO
BUSCLK
RST_IN
BUFF
IC702 IC703
Q Q
3 7 6 3
RESET EEPROM
BUSSI
BUSSO
BUSIO
/BUSIO
BUSSCK
REMOCON
DISPCK
DISPDA
DISPCE
RST_101E
PSAVE2
KEY
CN701
CN801
D8734
IC841
D8735
REMOCON
BACK LIGHT
REM
IC821
S8201
RST
RESET RESET SW
PS2
RESET
Q8301
SW
LCD & Key control section
u 1 6 3
.
http://www.xiaoyu163.com
2 4
9 9
FL
FR
OUT F1
IC171
OUT R1
IC271
OUT F2 RL
IC365 IC191
OUT R2 RR
LINE AMP
E.VOLUME IC291
MIX AMP
IC951
B1 Lch V-FL
POWER
B2 Rch V-FR
AMP
V-RL
IC361
V-RR
LPF
Q4101,Q4151
IC901
EACH
VOLDA
Q4201,Q4251
VOLCK BLOCK REGULATOR
BUF AMP
VOLMUTE
AOUT
IC381, IC382
SB
SUB
WOOFER
AMP
V-ATT1,VATT2
V-NAR,V-BUSY
V-ST,V-RESET A0 to A20
IC402 IC401
V-SD,V-SCK D0 to D7
V-MUTE OCE
VOICE VOICE
CONTROL ROM
BUSSI,BUSSO
JBUS_SI/SO
BUS_I/O,/BUS_I/O
JBUS_SCK
BUSSCK,BUSINT
IC710
J-BUS BUFF
PM+
IC991
PM-
PMKICK
PANEL
DRIVER
1 5 1 5 0 8 9 2
CODE1
CODE2
CODE3
R4,R5
G4,G5
Q8770 to Q8781 Q8751 to Q8768
B4,B5
LED-SW BACK LIGHT SW
CL1
CL2
DISPDA,DISPCK
CL3
DISPCE,KEYDA
D0 to D7
IC801
OSC,RES,CS2
SBRST A0,WE,RE/RD
RST LCD DRIVER
A1 to A21,D0 to D15
RE/RD,WE,RY/BY
CS1,ROMRST
KEY0
KEY1
IC815
Q8701 to Q8704
KEYIN
FLASH
S8001 to S8007 TOUCH PANEL
m
ROM
DRIVE
SW
c o
2
8 9 9
FRONT
LINE OUT
REAR
LINE OUT
FL+, FL-
FR+, FR-
RL+, RL-
RR+, RR-
SPK
BATTERY
SUB
WOOFER
OUT
LINE.IN-L
LINE.IN-R
LINE IN
Changer-L
Changer-R
CD
CHANGER
OUT1
PANEL
OUT2
MOTOR
4 9 8 2 9 9
SWITCH
R1 to R3
G1 to G3
D8731
B1 to B3
to D8733
BACK LIGHT
LCD
MODULE
X,XL,XR
Y,YD,YU
TOUCH
PANEL
2-1