JVC KD-G140J, Schematic Diagrams

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2-2
Main amplifier & System control section
PSW
S601 to S619
KEY MATRIX
KEY0 to 2
ENC1 (VOL1)
ENC2 (VOL2 )
LCDDA
LCDCE
LCDCK
LCDDA
LCDCE
LCDCK
VOL1
VOL2
KEY0 to 2
IC661
LCD DRIVER
COM1 to 3
S1 to 52
LCD1
LCD MODULE
IC521
Q521
RF AMP
VF1, VF2
VT1, VT2
MD, LD
VF1
VF2
VT1
VT2
MD
LD
NRST
IRQ
STAT
MLD
MDATA
MCLK
NPWDOWN
SW1
SW2
CJ601
J601
AUX.L/R
IC1
FM/AM TUNER
IC701
CPU
IC161
E.VOLUME
IC702,S701
RESET
Q891
TEL MUTE
IC301
POWER AMP.
IC901
REGULATOR
EACH BLOCK
TU.L/R
LEFT.REAR
RIGHT.REAR
LEFT.FRONT
RIGHT.FRONT
REAR L/R
FL+/-
FR+/-
RL+/-
RR+/-
VOL_SDA
VOL_CLK
RST
J1
ANT
SPK
BATTERY
CN901
J321
TUSDA
TUSCL
MPXOUT
RDSDA
RDSCL
CN701
CD.L/R
CD.L/R
JS686
ENCODER
D630
POWER LED
3.3V,SW5V,ACC5V
VDD5V,CD8V,9V,ILM.10V
ACC_IN
EXT
MEMORY
PCN
ILM.ADJ
Used for KD-G341,KD-G342,KD-G343
CD servo control section
LCD & Key control section
TELMUTE TELMUTE
Q976,Q977
PS2
PS2
DIMOUT
POWER
IN2L/R
E2PROM_DI
E2PROM_DO
E2PROM_CLK
Q882,Q883
DIMMER
CONTROL
X702
32.768kHz
D631 to D654
LIGHTING DISPLAY
SW1
SW2
CN101 CN501
CD MECHA
CD PICK UP
MUTE
MUTE
IC501
BTL DRIVER
FOP
TRP
TRVP
SPOUT
RFENV
FWD
REV
TRAV
BTL_MUTE
SP+/-
FEED+/-
LOAD+/-
FOCUS+/-
TRK+/-
X701
8MHz
X1
4MHz
X71
4.332MHz
X521
16.9344MHz
REAR
LINE OUT
Q341
LINE OUT
MUTING
IC71
RDS
DETECTOR
Q781,Q782
MUTE CONTROL
SRAMVDD VDD5V
IC981
1.5V REG.
IC771
EPROM
IC101
AUX IN AMP
Block diagram
(For KD-G341,KD-G342,KD-G343,KD-G347S and KD-G347B)
AUX
INPUT
AUX.L/R
ILM.10V
ACC5V
SPINDLE
MOTOR
Q101,Q201
Q301,Q302
PHOTO SW
PICK UP
SP+/-
FOCUS &
TRACKING
COIL
TRK+/-
FOCUS+/-
FEED
MOTOR
FEED+/-
LOAD
MOTOR
LOAD+/-
SW1
REST SW
REST (PSW)