Block Diagram (For Ut2,Uh2,Un2 And U2 Version) - JVC KD-G465 Servise Manual

Q Q
3 7 6 3 1 5 1 5 0
Block diagram
(For UT2, UH2, UN2 and U2 version)
VF1, VF2, VT1
VT2, LD, MD,VREF
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
IC681
JS686 S601 to S618
ENCODER REMOCON KEY MATRIX
ENC1
ENC2 REMOCON
KEY0
KEY1
KEY2
IC661
LCD DRIVER
LCDCL DIMOUT
LCDDA
LCDCE
Q671
COM1
DIMMER
COM2
COM3
S1 to S52
LCD1
D630 to D653
LCD DISPLAY LIGHTING DISPLAY
w w w
Main amplifier & CD servo control section
LM,MSW
TRVP
SPOUT
TRP MLD, MDATA, MCLK
IC501
FOP NPWDOWN, NRST
BTL
DRIVER IC521
DSP
IC523
SP+
BUFFER
SP-
FEED+
FEED-
TRK+
TRK-
FOCUS+
FOCUS-
VT1,VT2,VF1,VF2
MD,LD,VREF
SW1, SW2, PSW
OUTL
OUTR
IC581
CD L.P.F.
ENC1, ENC2
KEY0 to KEY2
LCD.SCK
LCD.SO
LCD.CE
REMOCON
DIMMEROUT
x a o
y
. i
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8
TU.L
TU1
J1
TU.R
FM/AM
ANT
TUNER
FM/AM
IFC.CONT
SD/ST
MONO
SEEK/STOP
Q781, Q782
S.METER
MUTING
EO
FM.OSC
IFC
IRQ
STAT
MUTE
SDA
SCL
E.VOLUME
IC701
CPU
Q Q
3 7 6 3
CD_L
CD_R
JBUS.SI
JBUS.SI
JBUS.SO
JBUS.IO
JBUS.INT
IC801
JBUS.SCK SCK
JVC BUS
u 1 6 3
.
2-6
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2 4
9 9 8
J321
Q341, Q351 RRO,LRO
LINE OUT
LINE OUT
IC301
POWER
AMP.
RLO
RRO
IC161
FRONT LEFT (+)
EACH BLOCK
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
1 5 1 5 0 8 9 2 4
REAR LEFT (+)
IC901
REAR LEFT (-)
REGULATOR
REAR RIGHT (+)
REAR RIGHT (-)
CN901
SPK
BATTERY
CH.L
CH.R
CD CHANGER
CONTROL
m
c o
2
9 9
9 8 2 9 9
SHEET 1