JVC KD-Lh401 Service Manual

2-1
CN801
IC805
REMOCON
IC801
LCD
DRIVER
LCD
MODULE
REM
KEY0 to KEY2
KEYIN
DB0 to DB7
OSC,RES,CS
RS,WR,RD
SW1
SW2
REST
SWITCH
LOAD/FEED
MOTOR
SPINDLE
MOTOR
PICK UP
CN601
SW1
SW2
REST
LOAD/FEED+
LOAD/FEED-
SPINDLE+
SPINDLE-
FOCUS+
FOCUS-
TRACKING+
TRACKING-
VA,VB,VE,VF
MD,LD
IC601
CD RF
IC621
D.SERVO
& DSP
IC681
CD DRIVER
VA,VB
VE,VF
MD,LD
VREF
RWSEL,IOP
IC501
CPU
IC571
24bit DAC
IC572
CD LPF
IC503
J-BUS BUFF
CN501
RFGC
RF,FE,TE
RFRP
SEL,TEB
RFDC
REST,SW1,SW2
LOAD/FEED+
LOAD/FEED-
SPINDLE+
SPINDLE-
TRACKING+
TRACKING-
FOCUS+
FOCUS-
VREF
CDON
LD/FE
FMO
DMO
TRO
FOO
BUS0 to BUS3
BUCK,CCE
DSPPST
DACML
DACMC
DACMD
CDRESET
B.DET,P.DET
CDMUTE,CDREQ
BUSSO,BUSSI
BUSIO,/BUSIO
BUSSCK
BUSSI/SO
BUSCLK
VOUTL
VOUTR
CD.L-CH
CD.R-CH
IC652
MP3 DEC
SDO
BCK
LRCK
D ATA
BCK
LRCK
MP3DA
MP3CK
MP3STB
MP3RST
IC802
FLASH
ROM
A0 to A19
D0 to D7
RE,WE
EXROM,CS1
ROMCNT
IC803
RESET
KEYDA
DISPCE,DISPDA
DISPCK
JS801
ENCODER
VOL1,VOL2
CN802
S600 to S617
KEY
MATRIX
Block diagram
TU1
FM/AM
TUNER
IC701
CONTROLLER
IC161
E.VOLUME
FM/AM
PLLDI
PLLCK
PLLDA
PLLCE
SM,SQ
SD/ST
SEEK
AFCK
CF,MRC
IC901
REGULATOR
SPK
BATTERY
EACH
BLOCK
TU.L
TU.R
OUT FL
OUT RL
OUT FR
OUT RR
FL
FR
CD.L
CD.R
J321
FL+, FL-
FR+, FR-
RL+, RL-
RR+, RR-
VOLDA
VOLCK
VOLMUTE
J1
ANT
IC301
POWER
AMP
IC361
IC381
LINE AMP
RL
RR
FRONT
LINE OUT
REAR
LINE OUT
IC801
J-BUS
BUFF
CD
CHANGER
SI/SO
SCK
CH.L
CH.R
CN702
CD RESET
PON,PS2
CDMUTE,CDREQ
REMOCON
DISPCK,DISPDA
DISPCE
SBRST
SWL
SWR
BUSSO
BUSI/O
BUSCLK
BUSINT
J801
CN701
RST
IC201
EQ
EQCLK
EQDATA
EQLA
ACOUTL
ACOUTR
ACINL
ACINR
VREF
IC573
X571
CLOCK GEN.
SCK
SBRST
CL1
CL2
CL3
Q408 to Q413
Q420 to Q425
DRIVER
R3
G3
B3
D451,D453
BACK
LIGHT
D401 to D422
INDICATOR
LED
LED0 to LED6
TRIMLED
IC703
EPROM
E2PROMDI
E2PROM DO
E2PROM CK
IC702
RESET
SBRST
CN901
IC251
SUB OUT
AMP
SUB
WOOFER
OUT
CN251
LPF1
LPF2
IC271
SWITCH
IC951
MOTOR
DRIVER
OUT1
OUT2
EFD-OUT1
EFD-OUT2
CN951
DOOR
MOTOR
CN952
SWITCH
EFD-IN1
EFD-IN2
EFD-IN3
IC502
EPROM
MP3DA
MP3CK
SI/SO
STEERING
REMOTE
LIN.L
LIN.R
LINE IN
STEERINGREM.
CN961
CN141
IC71
RDS
DET OUT
RDSDA
RDSSCK

JVC KD-Lh401 Specifications

Audio Amplifier Specifications

maximum power output front	50 W per channel
maximum power output rear	50 W per channel
continuous power output RMS front	19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion
continuous power output RMS rear	19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion
load impedance	4 Ω (4 Ω to 8 Ω allowance)
equalizer control range frequencies	60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.4 kHz, 6 kHz, 12 kHz
equalizer control range level	±10 dB
frequency response	40 Hz to 20 000 Hz
signal-to-noise ratio	70 dB
line-out level/impedance	5.0 V/20 kΩ load (full scale)
output impedance	1 kΩ

CD Player Specifications

operating voltage	DC 14.4 V (11 V to 16 V allowance)
allowable operating temperature	0°C to +40°C
dimensions (W × H × D) installation size	182 mm × 52 mm × 159 mm
dimensions (W × H × D) panel size	188 mm × 58 mm × 12 mm
mass	1.6 kg (excluding accessories)
frequency response	5 Hz to 20 000 Hz
dynamic range	96 dB
signal-to-noise ratio	98 dB
max. bit rate mp3	320 Kbps
max. bit rate wma	192 Kbps

Tuner Specifications

frequency range FM	87.5 MHz to 108.0 MHz
frequency range AM (MW)	522 kHz to 1 620 kHz
frequency range AM (LW)	144 kHz to 279 kHz
usable sensitivity FM	11.3 dBf (1.0 µV/75 Ω)
50 dB quieting sensitivity FM	16.3 dBf (1.8 µV/75 Ω)
alternate channel selectivity FM (400 kHz)	65 dB
frequency response FM	40 Hz to 15 000 Hz
stereo separation FM	30 dB
capture ratio FM	1.5 dB
sensitivity MW	20 µV
selectivity MW	35 dB
sensitivity LW	50 µV