Block Diagram - JVC KD-G115 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

Block diagram

(For UT, UH, UN, U version)
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
KEY2
IC601
LCD DRIVER
LCD.SCK
LCD.SO
LCD.CE
COM1
COM2
COM3
S1 to S52
LCD1
LCD DISPLAY
w w w
.
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Main amplifier & CD servo control section
LM,MSM
TRV,TVD CD.RESET,STATUS
TRD,FOD SUBQ,SQCK,TLOCK
ECM,ECS FLOCK,CD.SENSE
IC541
KICK IC561 MID,MDATA,MCLK
BTL
DSP&DAC
DRIVER
SPINDLE+
SPINDLE-
FEED+
FEED-
TRACKING+
TRACKING-
FOCUS+
FOCUS-
SW1, SW2, PSW
VF1
VF2
VT1
LDON,ARF
VT2
BDO,OFTR
MD
RFDET
LD
VDET
FBAL,TBAL
IC501
TE,FE
RF AMP
OUTL
OUTR
IC151
CD L.P.F.
KEY0
KEY1
KEY2
LCDCL
LCDDA
LCDCE
x a o u 1 6 3
y
i
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8
TU.L-CH
TU701
CJ701 TU.R-CH
FM/AM
ANT
TUNER
MICOM
.MUTE Q861
MUTING
SD/ST
MONO
MUTE
SSM,IFC
FM/AM
EO
FMOSC
S.METER
SEEK/STOP
SDA
SCL
Q Q
3 7 6 3 1
IC801
MICOM
CD.L
CD.R
c o
.
2 4
9 9 8
MUTE
Q332, Q432
LRO
RRO LINE OUT
IC321
POWER
AMP.
OUTLF, OUTLR
OUTRF, OUTRR
IC301
E.VOLUME FRONT LEFT (+)
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
m
2
9 9
CJ321
LINE OUT
8 2 9 9
2-1