JVC KD-AR270 Service Manual page 48

QQ
3 7 63 1515 0
Block diagram
VF1, VF2, VT1
VT2, LD, MD
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
IC681
For KD-G327
REMOCON
IC661
LCD DRIVER
LCDCLK
LCDDA
LCDCE
COM1
COM2
COM3
S1 to S52
D630 to D649
LCD1
LCD DISPLAY
www
2-19
http://www.xiaoyu163.com
(For KD-G321,KD-G322,KD-G327)
CN001
S601 to S616
KEY MATRIX
KEY0
KEY1
REMOCON KEY2
ENC1
ENC2
JS686
ENCODER
D652,D653
LIGHTING
DISPLAY
x ao
y
. i
http://www.xiaoyu163.com
8
Main amplifier & CD servo control section
CN502
CN502
IC501
BTL
DRIVER
CN503
CN503
SPINDLE+
SPINDLE-
FEED+
FEED-
TRACKING+
TRACKING-
FOCUS+
FOCUS-
Q Q
3 6 7 1 3
SW1, SW2, PSW
KEY0
KEY1
KEY2
LCDCLK
LCDDA
LCDCE
ENC1
ENC2
REMOCON
u163
.
2 9 9 4 2 8
TRP
FOP
SPOUT
NPWDOWN
TRVP
NRST,IRQ
STAT,MLD
IC521
MDATA,MCLK
DSP
VF1, VF2
VT1, VT2
MD, LD
VREF
1 5 0 5 8 2 9 9 4
OUTL
OUTR
IC581
CD L.P.F.
m
co
9 9
LM,M
2 8 9 9