JVC TH-SW9 Service Manual page 40

<Subwoofer section>
Amplifier section
IC201
RY271
POWER
AMP.
RY272
IC202
POWER
AMP.
C, SW
SL, SR
Mini Din L, R
CONN.
CN273
CN502
PROTECT Q523 to Q525
PROTECTOR
P.ON_SIG
Q542
P.ON_SIG
LOW VOLTAGE
DETECTOR
Q152
+5V
5V_REG.
P.ON_SIG
Q501 to Q505
D165
POWER CONTROL +7V
7V_REG.
& PROTECTOR
D166
-7V
-7V_REG.
AC IN RY101
Power / Micom section
J2702
FLOUT
FROUT
FCOUT
SLOUT
SROUT
RY273
IC301
AMP.
AD_L
AD_R
IC302
AMP.
AD_SL
AD_C
SW_SIG
SR_SIG
CN272 CN271
CN372 CN501
TO SW
SW_SIG
SPEAKER
IC303
AMP.
IC601
SP_RELAY- MICOM
Q603
Q604
D561
LED
LED
+12V
FAN ON
FAN
Q151
12V_REG.
+VH, -VH
D151, D152
+VL, -VL
CN151
T101
POWER
TRANS.
<Receiver unit section>
Front section
IC131
POWER
AMP.
L_SIG
R_SIG
TO RX
Q1504
MUTE
MODULE MUTE
TO
+10V
POWER
MODULE
Q1501 to Q1503
STANDBY
Q1604
LED DIMMER
TO
+27.5V
POWER
-27.5V
MODULE
2-2
J101
IC101
VOLUME RY161
IC
VSSP
Q1620, Q1621
Q1603 Q1630, Q1631
OVER_DET
OVER-DET OVER-CURRENT
DETECTION
Front section (LED)
D1801
POWER BLUE
LED
D1802
STANDBY RED
LED
L+
L-
R-
R+