JVC KD-AR370J Service Manual page 259

Main amplifier section
ANT
ol section
LM
MSW
SW1
SW2
PSW
MLD
MDATA
MCLK
NRST
NPWDOWN
STAT
IRQ
IC523
TU L
TU1
TU R
FM/AM
TUNER
Q781, Q782
MUTE
MUTE
DRIVER
FSU
AFS
Q OUT
SSTOP
TUSDA
TUSCL
MPXW
RDSDA
IC71
RDSCL
IC701
RDS
DETECTOR
CPU
ERCLK
IC771
ERDI
EPROM
IC775
RESET
RESET
STEERING
Only for KD G421
MUTE
RLO,RRO
MUTE
Q301
FL OUT,FR OUT
RL OUT,RR OUT
VSCL
IC171
VSDA
E.VOLUME
STANDBY
EACH BLOCK
SW5V,ACC5V
VDD5V.CD5V
9V,ILL10V
POWER
IC901
CDON
REGULATOR
CD L
CD R
Q891
TEL MUTE
TEL.MUTE
IC801
SI,SO,I/O,SCK,INT
JVC BUS
Q341, Q351
LINE OUT
LINE OUT
RLO,RRO
MUTING
REAR
IC301
POWER
AMP.
LF+,LF
RF+,RF
LR+,LR
RR+,RR
SPK
ACC
BATTERY
TEL MUTE
CH L
CH R
CHANGER
CONTROL
SI/SO
STEERING
REMOTE
2-4