Block Diagram - JVC KD-LHX552 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
OE, WE
DRAM
MP3REQ, MP3CK, MP3DI, MP3STB, MP3RST
SDO, BCKO, LRCKO
EROMDI
IC502
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
BUSSI
CPU BUSSO
BUSIO
/BUSIO
BUSSCK
IC635
SDSCK
BUFFER
SDCK
x a o
y
i
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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
IC702 IC703
Q Q
3 7 6 3
RESET EEPROM
BUFF
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
.
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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
S.T.REMOCON
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
STEERING
REMOTE
CABLE
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