Onkyo HT-R370(B)(S) Service Manual page 22

A B
Q Q
3 7 6 3 1 5 1 5 0
PRINTED CIRCUIT BOARD VIEWS-2
AMPLIFIER SECTION
U001 AMPLIFIER PC BOARD (BAAF-0002)
1
C5715
R5500
RI
R5543
RI_GND
R5544
GND
TU_R MULTI-L
GND
TU_L
MULTI-R
GND +15V
GND -15V
ADLT+
ADRT+
NC
DACR
DACL
2
DACSW
DACC
DACSR
DACSL
NC
NC
AUX L
AUX GND
AUX R
R5694
MIC
R5693
-15V
+15V
8
VL DA
VL CK
VPROT
IPROT
R5689
SEC1H
R5596 R5599
VOLH
R5592 R5597
1
A MUTE R5593 Q5503
R5591
R5681
T E
L 1 3 9 4 2 2 9 6 5 1 3
NC
R5632
SPRLF_F
3
1
SPRLCS_HP
SPRLSB_SPB
SPRLB_S
R5630
HPDET
HP_GND
8
Q5630
THERMAL C6330
+3.3VMPU C6331
4
R6102
R6100
R6104
R6074
R6077
R6107
Q6024 Q6021
R6214
D6034 R6213
D6033
w w w R6217
C6093
C6094
5
.
C
Soldering side
C5508
C5507
C5701
R5547 R5548
R5553 R5554 R5555 R5556 R5557 R5558
R5507 R5508
R5513 R5514 R5515 R5516 R5517 R5518
C5505 C5506
D5709
R5587
R5805
R5803
R5589 R5806
R5804
Q5607
Q5600
R5627
Q5617
Q5603 Q5604
Q5601
R6017
R6122
D6022
R6112
R6091
R6121
R6111
R6710
D6704
D6027
R6137
R6237
C6124
C6127
C6123
x a o
y
i
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D E
8
D5718
C5708
D5708
C5537
R5559 R5560
Q6055
Q6051 Q6052
Q6053
Q6057
D6051
Q Q
3 7 6 3
R6012
R6232
R6132
R6230
R6130
D6020
C6120 C6122 C6121
u 1 6 3
.
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F G
2 4
9 9 8
D6055
Q6707
U0012
1 5 1 5 0 8 9 2 4
D6056
U0011
Q6054
R6231
R6131
m
c o
TX-SR307
H
2
9 9
TRANS. SEC. TERMINAL
PC BOARD (BAPS-0004)
9 8 2 9 9
Soldering side
BLK
TRANS. SEC. TERMINAL
PC BOARD (BAPS-0003)
Soldering side