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A
B
RX-V371/HTR-3064
1
MAIN (1)
(Side A)
2
OPERATION (4)
(CB192)
+5D
AV1_D
AV2_D
DG
AV3_D
AV4_D
DG
AGND
ADL
ADR
3
IPE
IPR
IPL
AGND
MIC
AGND
AUXR
AUXL
AUXE
DAFL
DAFR
AGND
DAC
DASW
AGND
DASL
DASR
AGND
4
(DASBL)
(DASBR)
AGND
F_MT
C_MT
S_MT
+12A
-12A
OPERATION (4)
(CB191)
5
6
1
Notes)
Safety measures
•
Some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during servicing, such
as wearing insulating gloves.
•
Note that the capacitors indicated below are dangerous even after the power is turned off because an electric charge remains and a
high voltage continues to exist there. Before starting any repair work, connect a discharging resistor (5 k-ohms/10 W) to the terminals
7
of each capacitor indicated below to discharge electricity. The time required for discharging is about 30 seconds per each.
C46, 47 on MAIN (1) P.C.B.
72
C
D
E
AV 1
AV 2
AV 3
AV 4
AV 5
AV OUT
OPTICAL
COAXIAL
COAXIAL
OPTICAL
(CD)
(TV)
L/R
L/R
PJ21
PJ24
IC2
15
DIGITAL
F
G
AUDIO1
AUDIO2
AUDIO
SUBWOOFER
OUT
OUT
L/R
L/R
L/R
PJ22
PJ26
CB2
W1
IC1
1
TUL
TUR
TUE
(SB_MT)
SW_MT
R2A_MOSI
R2A_SCK
DGND
DGND
DC_PRT
(CB222)
I_PRT
AMP_OLV
AMP_LMT
TRANS_RY
N_HP_DET
HPRY
SPRY_S
OPERATION (2)
SPRY_C
SPRY_F
PS_PRT
(CB134)
NC
H
I
SPEAKERS
R
FRONT
L
+/-
+/-
SURROUND
CENTER
R
L
+/-
+/-
+/-
• Semiconductor Location
19
OPERATION (5)
(CB166)
J
ACH
ACH
E
E
ACL
ACL
POWER TRANSFORMER
Ref no. Location
Ref no. Location
D1
H5
IC1
F6
D2
H6
IC2
C6
D9
G3
Q1
I6
D10
D5
Q2
H6
D11
E5
Q3
H5
D12
H3
Q4
I6
D13
G4
Q5
I5
D14
H3
Q6
H5
D15
G4
Q7
G5
D16
F5
Q8
E5
D17
F4
Q9
C5
D18
I2
Q10
F5
D19
H5
Q11
G5
D20
I2
Q12
E5
D22
I3
Q21
I2
D201
E4
Q22
E5
D202
E4
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