JVC KD-S52 Service Manual page 35

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Main amplifier section
J1
ANT
CDRESET
CDMUTE
CDREQ
B.DET
SO
P.DET
K
SI/SO
SCK
TE
L 13942296513
KEY0
KEY1
KEY2
LCDCL
LCDDA
LCDCE
REMOCON
ENC1
ENC2
DIMOUT
AUX
INPUT
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TU.L
TU1
TU.R
FM/AM
TUNER
FMVT SD/ST, MONO
AMVT SM, IFC.CNT
FM/AM OSC SEEK/STOP, FM/AM
Q781, Q782
MUTE
CONTROL
IC31
PLL
PLLCE
PLLDA
PLLCL
PLLDI
CD.L
CD.R
VOLDA
VOLCL
IC701
RESET
CPU
EPROMCK
EPROMDI
EPROMDO
EPROM
LPF1, LPF2
SI/SO
SI/SO
BUSSO
I/O
BUSINT
SCK
IC801
BUSCLK
JVC BUS
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8
Q321, Q331
Q341, Q351
XFL, XFR
XRL, XRR
MUTE
FL, FR, RL, RR
IC161
E.VOLUME
EACH BLOCK
Q Q
3 6 7 1 3
IC702
RESET IC901
REGULATOR
IC771
SWOUT
IC271
SUBWOOFER
SELECTOR
CH.L
CH.R
SCK
AUX.L
AUX.R
u163
.
2 9 9 4 2 8
LN.FL,LNFR
LN.RL,LN.RR
LINE OUT
MUTING
IC301
POWER
AMP.
FRONT LEFT (+)
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
REAR LEFT (+)
REAR LEFT (-)
REAR RIGHT (+)
1 5 0 5 8 2 9 9 4
REAR RIGHT (-)
IC251
SUBWOOFER
AMP.
m
co
9 9
J321
LINE OUT
2 8 9 9
SPK
BATTERY
NOT USED
SUB WOOFER
OUT
CD CHANGER
CONTROL
2-2