JVC RX-D302B Service Manual page 25

lator, DC-DC converter and digital power amplifier section
AMP_B
AMP_B+12V
PROTECT
CK
CTRL
CT
PWM modulator section
FL,FR
A.NFB_FL
C
D.NFB_FL
A.NFB_FR
BR
D.NFB_FR
C
A.NFB_C
D.NFB_C
+/-7V
CN423
CN413
SL,SR
A.NFB_SL
+/-7V
D.NFB_SL
A.NFB_SR
D.NFB_SR
SBL,SBR
A.NFB_SBL
D.NFB_SBL
A.NFB_SBR
D.NFB_SBR
M_CLOCK
+/-7V
VCHANGE_1,VCHANGE_2,HP_RY
FREQ_CTRL
D+5V_Mi,D+5V_DSP
PROTECT
B+5V_Mi,POWER_ON
+/-7V
Q157,Q158
HP +/-7V REG
HP
IC153
A+5V_Vi
A+5V_Vi
RY300
REG
RY
IC152
A+9V_Vi_Tu
A+9V_Vi_Tu
REG
_ON/OFF
IC151
_LOW A+5V_DSP
A+5V_DSP
Q151,Q152
REG
Q154
Q153
+12V_FAN
+12V_RY
REG
Q281 to Q286
PROTECTOR
IC201
MODULATER
IC801
MODULATER
IC301
MODULATER
IC401
MODULATER
POWER_ON
D+5V_DSP
D+5V_Mi
B+5V_Mi
Q101
D+5V_Mi,B+5V_Mi
D+5V_Mi
REG
Q171
D+5V_DSP
REG
Q174
DCDC_+12
REG
Q175
DCDC_-B+12
REG
VPP
VPP REG.
Lout_HP
Rout_HP
FRONT_L
IC251
FRONT_R
IC351
AMP
A.NFB_FL,D.NFB_FL
A.NFB_FR,D.NFB_FR
CENTER
IC851
AMP
A.NFB_C
D.NFB_C
SURROUND_L
IC261
SURROUND_R
IC361
AMP
A.NFB_SL,D.NFB_SL
A.NFB_SR,D.NFB_SR
SURRBACK_L
IC451
SURRBACK_R
IC461
AMP
A.NFB_SBL,D.NFB_SBL
A.NFB_SBR,D.NFB_SBR
DRIVER_SD
M_CLOCK
DRIVER_SD
VCHANGE_1
VCHANGE_2
PWM_V
Vout_DET
Q1101
Q1102
IC101
DCDC
converter
D1101
to
AC_DET_1
D1104
D101
to
D104
POWER_ON
+12V
-B+12V
S2
D109 to D112
Q102
S2
S3
Speaker terminal section
Lout
Rout
Cout
RY295
RY895
FRONT_RY
CENTER_RY
CN465
FW451 CN209
FR_RELAY
C_RELAY
SLout
SURR_RY
SRout
SURRBACK_RY
SBLout
SBRout
RY391
RY491
PWM_V,Vout_DET
M_CLOCK,AC_DET_1
VCHANGE_1
VCHANGE_2
IC111 to IC113, IC115
DRIVER_SD
DCDC converter
control
Primary section
S1
AC T102
Trans.
POWER_ON
S2
Power
Q1001
S3
trans.
RY101
FRONT
&
CENTER
SURROUND
&
SURRBACK
Main
plug
2-2