JVC kd-g312 Service Manual page 33

Q Q
3 7 6 3 1 5 1 5 0
Block diagram
(For KD-G311 and KD-G312)
VF1, VF2, VT1
VT2, LD, MD
PICK UP
TRACKING+,
TRACKING-
FOCUS+,
FOCUS &
FOCUS-
TRACKING
COIL
CN001
FEED+
LOAD&FEED
FEED-
MOTOR
POSITION SET
PSW
SWITCH
SPINDLE+
T E
SPINDLE L 1 3 9 4 2 2 9 6 5 1 3
SPINDLE-
MOTOR
SW1, SW2
SW1, SW2
LCD & Key control section
S601 to S618
KEY MATRIX
KEY0
KEY1
IC601 KEY2
LCD DRIVER
LCDCL REMOCON
LCDDA
LCDCE
COM1
COM2
COM3
S1 to S52
LCD1 IC602
LCD DISPLAY REMOCON
w w w
.
http://www.xiaoyu163.com
Main amplifier & CD servo control section
LM0, LM1
DMO BUS0 to 3
FOO BUCK
FMO CCE
IC501
IC541
TRO RST
CD
DSP
DRIVER
SPINDLE+ BCK
SPINDLE- LRCK
FEED+ AOUT
FEED-
TRACKING+
TRACKING-
FOCUS+
FOCUS-
SW1, SW2, PSW
BCK
VF1, VF2
LRCK
VT1, VT2
SDTI
IC481
MD, LD
SDTI
DAC
FE, TE
RFGC, RF
RFRP, RFDC
SEL, TEB
IC521
CDRW
RF AMP
MP3REQ
MP3CLK
MP3DOUT
MP3DIN
AOUTL+
MP3STBY
AOUTL-
MP3RESET
AOUTR+
IC401 AOUTR-
KEY0
MP3 & WMA
KEY1 IC581
LSI
KEY2
CD L.P.F.
LCDCL
LCDDA
LCDCE
REMOCON
x a o u 1 6 3
y
i
http://www.xiaoyu163.com
8
TU.L
TU1
J1
TU.R
FM/AM
ANT
TUNER
FMVT
AMVT
FM/AM
Q781, Q782
MUTE
IC31
CIRCUIT
PLL
SD/ST
MONO
PLLCE SM
PLLDA IFC-CONT
MUTE
PLLCL SEEK/STOP
PLLDI MUTE
VOLDA
VOLCL
DAC_CDTI
DAC_CCLK
DAC_CSN
Q Q
DAC_PDN IC701 3 7 6 3 1
IC771
EPROM
CPU
IC702
RESET
IC71
RDS
DETECTER
STEERING
c o
.
2 4
9 9 8
IC171
OP AMP
Q341, Q351
REARL, REARR
LINE OUT
MUTING
IC301
POWER
AMP.
LEFT.FRONT
LEFT.REAR
RIGHT.FRONT
RIGHT.REAR
IC161
FRONT LEFT (+)
E.VOLUME
EACH BLOCK
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
5 1 5 0 8 9 2 4 9
REAR LEFT (+)
IC901
REAR LEFT (-)
REAR RIGHT (+)
REGULATOR
REAR RIGHT (-)
CN901
SPK
BATTERY
CD.L
CD.R
STEERING
CABLE
ASSY
m
2
9 9
J321
LINE OUT
8 2 9 9
2-1