JVC KD-S31 Service Manual page 46

QQ
3 7 63 1515 0
Block diagram
VF1, VF2, VT1
VT2, LD, MD,VREF
PICK UP
TRACKING+,
TRACKING-
FOCUS+,
FOCUS &
FOCUS-
TRACKING
COIL
FEED+
LOAD&FEED
FEED-
MOTOR
POSITION SET
PSW
SWITCH
SPINDLE+
TE
L 13942296513
SPINDLE
SPINDLE-
MOTOR
SW1, SW2
SW1, SW2
LCD & Key control section
IC602
REMOCON
IC601
LCD DRIVER
LCD.SCK
LCD.SO
LCD.CE
COM1
COM2
COM3
S1 to S52
LCD1
LCD DISPLAY
www
2-11
http://www.xiaoyu163.com
(For J2 version)
CN001
S601 to S618
KEY MATRIX
KEY0
KEY1
REMOCON KEY2
DIMMER
Q672
DIMMER
D601 to D618
D631,D632
LIGHTING DISPLAY
x ao
y
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http://www.xiaoyu163.com
8
Main amplifier & CD servo control section
LM,MSW
TRVP
SPOUT
TRP
IC501
FOP
BTL
DRIVER
SP+
SP-
FEED+
FEED-
TRK+
TRK-
FOCUS+
FOCUS-
VT1,VT2,VF1,VF2
MD,LD,VREF
SW1, SW2, PSW
Q Q
3 6 7 1 3
KEY0
KEY1
KEY2
LCD.SCK
LCD.SO
LCD.CE
REMOCON
DIMMER
u163
.
2 9 9 4 2 8
MLD,MDATA
NPWDOWN
NRST,MCLK
IC521
DSP
IC523
BUFFER
1 5 0 5 8 2 9 9 4
OUTL
OUTR
IC581
CD L.P.F.
m
co
9 9
J1
ANT
IRQ
STAT
2 8 9 9