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Main PWB(B2) section 5/5
[ Power supply, Audio pre-output block ]
4
B/U+5V
2
3
4
SYS+5V
1
B/U
1
3
SYS+12V
3
4
SYS+9V
IC501
NJM2396F33
3.3V-REG
3.3
2
SYS+3.3V
D-GND
2
4
1
2
3
GND
4
CPU-POW
1
TUNER+9V
To 1/5 (page 14)
1
To 2/5 (page 15)
2
3
To 3/5 (page 16)
To 4/5 (page 17)
4
1
TUNER+5V
- 18 -
3
LPF-OUT
3
SYS+9V
3
1/2SYS+9V
C705
R711
2.2
1M
3
S-GND
C703
R715
0.01
3.3K
C
FL
C
FL-MUTE
R721
22K
R720
15K
R719
C707
33
56p
FL
RL
R718
C706
33
56p
R717
15K
R716
22K
RL
R714
C
C704
2.2
C
C702
0.01
R710
RL-MUTE
VDD+5V
SYS+5V
B/U
9.0V
SYS+9V
9
4
3
2
1
3.3V
SYS+3.3V
SYS+9V
9
TUN+9V
5
5
9.6
5.0V
Q501
2SB1197K
4.7K
Q502
DTC143EUA
TUN+5V
TUN+9V
EN-1286S-A
FL+
FL-
RR
RR-MUTE
R729
22K
R741
22K
C713
R740
R728
56p
15K
33
R739
C
C
33
1
2
3
4
5
6
7
OUT
-
+
VCC
+
-
OUT
IC700
NJM2060V
OUT -
+
GND
+
- OUT
14
13
12
11
10
9
8
R738
R727
33
33
C
C
R737
15K
C712
R726
R736
56p
22K
22K
3.3K
FR
C716
2.2
1M
C714
0.01
FR-MUTE
RL-
RL+
B/U
Q504
12.9
13.2V
2SB1205
13
5.0V
IC502
LD1085P
9VREG
GND OUT IN
2SB1197K
Q507
R512
D505
DTC114EUA
4.7K
1SS352
0.6
SYS+12V
12.9
Q503
2SC5886
R507
470
1/4W
RR+
C715
R731
0.01
1M
C733
C717
R735
2.2
3.3K
C
C732
C
R749
C731
22K
C725
R748
C730
56p
33
RR-
C719
C
C
56p
C729
RR
1
2
3
4
5
6
7
C728
OUT
-
+
VCC
+
-
OUT
IC701
NJM2060V
C727
OUT -
+
GND
+
- OUT
FR
14
13
12
11
10
9
8
R747
C718
C726
56p
33
C
C
C724
R746
56p
22K
FR-
C
R734
3.3K
C
R730
1M
FR+
13
B/U
5
Q506
Operation voltage
:0.95V-10V
IC503
4.4
IC504
BD3931FP
S-80827ANMP-EDQ
5V-REG
VOUT
G
VCC
5
OUT
NC
3
2
1
5.2
VDD
0
5.0V
GND NC
10K
SYS+5V
B/U+5V
B/U-DET
To 3/5 (page 16)
3
DIFF-OUT
3
33 10V
FL+
33 10V
FL-
33 10V
RR+
33 10V
RR-
33 10V
FR-
33 10V
FR+
33 10V
RL-
33 10V
RL+
L501
13V
+B
GND
B/U-FIL
TM501
EARTH-PLATE
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