JVC MX-GA9V Service Manual page 72

Block diagram
AUDATA TSD
DA0 to DA8
BCLK IC107 TBCK
DBUS0 to DBUS15
BUFF
/DWE, /DRAS
IC103 /DCAS0, /DOE
AIN,ARCLK,ARFS,AUX5
DRAM
/LCS1,LR,AUDIOCLK
LA0 to LA17
IC101
/RSTOUT,LD0 to 7,135M10
/LOE, /LROMCE
VCD YUV0 to 7,PCKCSCN
SCLK
PROCESSOR MPUCLK,HSYNC,VSYNC
IC102
IC106
DATA,WCLK
OTP EPROM
BUFF
AUX0 to AUX3
2MBIT
CDBCLK
AUX6,AUX7
CN101
CN151
CDDATA,CDLRCK,CDBCK
DSADAT,DSAACK,DSASTB,UDSADAT
UDSAACK,UDSASTB, /VCDRST
CAM0 to 3
LCAM
CAM0 to 7
1SSW
LCAM
2SSW
CAM4 to 7
LM+
3SSW
LM-
M
LMOTOR
1MSW
2MSW
3MSW
SW1 to SW6
RM+
RM-
M
RMOTOR
A+C,B+D
IC601
E,F,MD,LD
PICKUP RF & SERVO
AMP
TRACKING COIL
FBAL,TBAL,FE,TE,OFT
& RFENV,VDET,/RFDET
F+,F-
BDO,LDON,WVEL,ARF
FOCUS COIL
T+,T-
GCTRL
IC651
TRV,TVD
DIGITAL SERVO
ECM,ECS
TRD,FOD
PROCESSOR
KICK
FM+
FM+,FM- FM-
M
SM+ IC801
SM+,SM- SM- FOCUS & SPINDLE
M
& FEED & TRACKING
/REST
BTL DRIVER
/REST
REST SW
R+,L+
PB HEAD
IC302
IC301 PB/REC AMP
R+,R-
HEAD SW
L+,L-
PB/REC
REC/PLAY
& ERASE
Q3302,Q3305
FREQUENCY
HEAD
RESPONSE ADJ.
L3301
BIAS OSC
Q3312,Q3313
RP MECHA
SOLA
SOLENOID DEIVE
&
FOR PB MECHA
REEL PULSE
Q3314,Q3315
PB MECHA
SOLB
SOLENOID DEIVE
&
FOR RP MECHA
REEL PULSE
Q3316,Q3317,Q3324
MB,A,B
MOTOR DRIVE
M
MOTOR
SPEED ADJ.
SPEED ADJ.
AM RF,AM OSC
L1
AFC,REG
MW RF
J1
IC104 & OSC
AM
VCD CF1,Q1
IFOUT FM IN
TU1
COMPANION FM FM IF
FM RF
CHIP
AMP
OSCOUT
STEREO
IC2 PLL
CDL+ DATA
CDR+ CK,CE
CVOUT
CN102 CN1
KCMD
MSTAT
J411
MCS
AUX IN
IC251
/CDMRST
UNIT MICON
LMUP
LMDOWN
RMUP
RMDOWN
IC851,IC852
DIGITAL
L/R MOTOR
OUT
DRIVER
KCMD
P.ON
MSTAT
/P.ON
MCS
/CDMRST
Q291
TX
PON PON
TX
CDDATA
CDLRCK
CDBCK
&
/LSIRST,STAT
SUBQ,SQCK
BLKCK, /TLOCK
/FLOCK,SENSE
MLD,MDATA
MCLK,FLAG
RECL,RECR
PBL,PBR,MS
RMUTE
Q3105Q3205
REC MUTE
SURROUND
RECB
Q3323
JACK
STTA
BIAS CONT
SDATA
IC303
BCK
SERIAL TO
SOL_A
PARALLEL
PORT
EXTENSION
SOL_B
MOTOR
& MOTOR
TKEY1,TKEY2,PHA,PHB
VOL+/-
SMVOL+/-
MAIN VOL.
BASSVOL+/-
SOUND VOL.
WOOFER VOL.
IC1
MIC1
FM/AM OPERATION KEY2,KEY3
DET JACK SW
AUXLED,CDLED
AUX/TUNER
TPLED,TULED
CD/TAPE
MIC2
LOUT
JACK LED
ROUT
MIXIN
HPL
HEAD HPR
PHONE
CN504
TUL,TUR
SDATA,TUCE
MPX,TUCE,KCMND,MSTAT
CK,MPX
MCS,SDATA,/CDMRST,CK
TX
Q573
AHB
KCMND
CONTROL
MSTAT VOLDA
VOLCK
MCS
LOUT
/CDMRST
ROUT IC481
CDL,CDR
TX,PON
AMP.
AUXL,AUXR
TUL,TUR
IC436 Q671
SOURCE
Q672
Q401
PBL
IC502
SELECT
PBR Q402 PBL,PBR
IC526
&
PB
AHB
E.VOL
MUTE
IC571
AMP.
INL,INR
COML,COMR
SWFB
RECL,RECR
PBMUTE
LIN,LOUT
RIN,ROUT IC466
KARAOKE
RECL
MIC
RECR
Q585
MSI MSI MSI2 KARAOKE
Q586
MSI
J999
S500
VOL. SEL.
T001
TRANS.
AC IN
R.SEARCH
F.SEARCH
SEARCHLED
SEARCH
KNOB
FL1
FL2
KEY1,KEY11
INH IC830
CD1LED
RESET
CD2LED
CD3LED
DISC1 to 3
SW & LED
MSI,MPX,INH
SMUTE,TUCE
VC3RESET
KCMND,MSTAT
FL DRIVE
KCLK,DATA,CK
MICON
MRDY,KARAOKE
PRT
KEY4
JA566
VOL-CK
CVOUT VIDEO
VOL-DATA
OUT SET
AUXMUTE
EXTCE SW
SLLCE
RELAY
BASS1,BASS2
PBMUTE
POUT,VOLCK
VOLDTA
EXTCE
SURROUND
SMUTE CK,DATA
SLCCE
Q481
SLCKEY1
Q482
SLCKEY2
Q483
MIC
MUTE
Q556 POUT
FL1
Q557
Q961
FL2
MUTE
BASS1
BASS2
HPL
HPR Q733 to Q737
PRT,SWFB
H/P MUTE
SURR.CTRL
PON
SMUTE
S/W
POUT
RELAY
MAINL
Q680
MAINR IC602
SURR
AMP.
SURR
VH,-VH
MAINL,MAINR
VL,-VL
CN215
CN205
MAINL,MAINR
SWL,SWR
RELAY,SURR
SURR
PON
SURR_CTRL SURR.
CONT
POUT,FLBIAS -9V,-30V
REG.
POUT
VH,-VH
S1,S2,S4 DIODE
VL,-VL
BRIDGE
5V,5.5V,8V
9V,12V
FL801
FL TUBE
P1 tp P22
G1 to G17
TAPELED
RST
VOL+/-
SMODE+/-
BASSVOL+/-
KEY1 to 3
IC810
R.SEARCH
F.SEARCH
SEARCHLED
CD1LED
CD2LED
CD3LED
IC951
REMIN
REMOCON
RECEIVER
RELAY Q876 HP
Q877
AUXLED
SMLED
CDLED
BASSLED
IC811 TULED
EXT
ECHO1,ECHO2
IC902
MIXIN
ECHO
MIXER
STANBY-SW
KEY11
EJECT1 to 3
CANCEL/DEMO
Q710 to Q712
IC701
IC STANBY
AMP.
CTRL
SWL
SWR
POUT
Q790 to Q792 To
FANDRIVE FAN
CN710
SURR L/R
MAIN/SUB
RY1,RY2
SPEAKER
RELAY
TERMINAL
5.6/SW5V
8V/9V/12V
REG.
PON
POUT
5/5.5/8/9/12V
2-1