JVC KD-G140J Service Manual page 37

Block diagram
(For KD-G140,KD-G240,KD-G244,KD-G245,KD-G248,KD-G394,KD-G395,KD-G396 and KD-G398)
CD MECHA CD servo, Main amplifier & System control section
SW1
Q101,Q201
SW2
Q301,Q302
PHOTO SW LD
SW1
SW2
SP+/-
SPINDLE
PSW
MOTOR
VF1
VF2
VT1
FEED FEED+/-
VT2
MOTOR
MD
LOAD+/-
LOAD
SP+/-
MOTOR
FEED+/-
LOAD+/-
FOCUS+/-
REST (PSW)
SW1
TRK+/-
REST SW
CD PICK UP
VF1, VF2
VT1, VT2
MD, LD
PICK UP
TRK+/-
FOCUS &
FOCUS+/-
TRACKING
COIL
LCD & Key control section
COM1 to 3
LCD1 S1 to 52 IC661
LCD MODULE LCD DRIVER
JS686
ENCODER
S601 to S619
KEY MATRIX
D630
POWER LED
D631 to D654
LIGHTING DISPLAY
IC681
REMOCON
AUX_L/R
AUX
INPUT
FWD
REV
FOO
FMO
DMO
TRO
IC501 DRV_MUTE
BTL DRIVER
LCDDA LCDDA
LCDCE LCDCE
LCDCLK LCDCLK
ENC1
ENC2
KEY0 to 2
ACC5V
ENC1
ENC2
KEY0 to 2
REMOTE
ILM.10V
REMOCON (REMOTE)
Used for
KD-G140,KD-G240
KD-G394,KD-G395,KD-G396,KD-G398
FM/AM TUNER
LDO
Q531
SUBMUTE
MUTE
X551
IC701
16.9344MHz
SDA
SCL
CPU
VOL_M
CD_L/R
E.VOLUME
Q881,Q882
DIM ILM.ADJ
DIMMER
CONTROL
ANT
/STBO
Q701,Q702 CTRL
STANDBY
SUB_TXD
SUB_RXD
SUB_SCLK
SUB_CS
SUB_REQ
/HOLD
/RST
X701
8MHz
X702
32.768kHz
IC702
SUB CPU
RESET IC703,S701
RESET
PS2
Q976,Q977
PS2
IC1
X1
4MHz
Used for
KD-G140,KD-G240
KD-G394,KD-G395,KD-G396,KD-G398
Q352,Q782
RL/R
LINE OUT
MUTING
L_MUTE
Q781,Q783
MUTE CONTROL
P_MUTE
Q301
TUN_L/R
MUTE
RLO
RRO
FL+/-
FR+/-
IC161
RL+/-
OUTFL, OUTFR
RR+/-
IC301
OUTRL, OUTRR
POWER AMP.
AUX_L/R
3.3V,SW5V,ACC5V
VDD5V,CD8V,9V,ILM.10V
EACH BLOCK
ACC.IN
EXT
IC901
MEMORY
REGULATOR
D851
ANT
POWER ANT
POWER
ANTENNA
Used for
KD-G244, KD-G245
KD-G248, KD-G394
KD-G395, KD-G396
KD-G398
J1
ANT
REAR
LINE OUT
SPK
BATTERY
2-1